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bazel / bazel / faf3b6e0281749cd315ebba45a70ea46dc16c26b / . / src / test / java / com / google / devtools / build / lib / starlark / StarlarkIntegrationTest.java
blob: b048c182e54428e8983f34e349151b23927612b6 [file] [log] [blame]
// Copyright 2016 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.starlark;
import static com.google.common.collect.Iterables.getOnlyElement;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static com.google.devtools.build.lib.analysis.OutputGroupInfo.INTERNAL_SUFFIX;
import static com.google.devtools.build.lib.rules.python.PythonTestUtils.getPyLoad;
import static com.google.devtools.build.lib.skyframe.BzlLoadValue.keyForBuild;
import static org.junit.Assert.assertThrows;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.eventbus.EventBus;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.analysis.AnalysisResult;
import com.google.devtools.build.lib.analysis.ConfiguredRuleClassProvider;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.FileProvider;
import com.google.devtools.build.lib.analysis.FilesToRunProvider;
import com.google.devtools.build.lib.analysis.OutputGroupInfo;
import com.google.devtools.build.lib.analysis.RunEnvironmentInfo;
import com.google.devtools.build.lib.analysis.RunfilesProvider;
import com.google.devtools.build.lib.analysis.config.StarlarkDefinedConfigTransition;
import com.google.devtools.build.lib.analysis.configuredtargets.FileConfiguredTarget;
import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget;
import com.google.devtools.build.lib.analysis.starlark.StarlarkAttributeTransitionProvider;
import com.google.devtools.build.lib.analysis.starlark.StarlarkRuleTransitionProvider;
import com.google.devtools.build.lib.analysis.test.AnalysisTestResultInfo;
import com.google.devtools.build.lib.analysis.test.InstrumentedFilesInfo;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.analysis.util.DummyTestFragment;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.collect.nestedset.Depset;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.events.EventKind;
import com.google.devtools.build.lib.packages.BuildFileContainsErrorsException;
import com.google.devtools.build.lib.packages.BuildSetting;
import com.google.devtools.build.lib.packages.FunctionSplitTransitionAllowlist;
import com.google.devtools.build.lib.packages.Provider;
import com.google.devtools.build.lib.packages.Rule;
import com.google.devtools.build.lib.packages.StarlarkProvider;
import com.google.devtools.build.lib.packages.StructImpl;
import com.google.devtools.build.lib.packages.Type;
import com.google.devtools.build.lib.skyframe.AspectKeyCreator.AspectKey;
import com.google.devtools.build.lib.skyframe.ConfiguredTargetAndData;
import com.google.devtools.build.lib.testutil.TestConstants;
import com.google.devtools.build.lib.testutil.TestRuleClassProvider;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import java.io.IOException;
import java.util.List;
import net.starlark.java.eval.NoneType;
import net.starlark.java.eval.Sequence;
import net.starlark.java.eval.Starlark;
import net.starlark.java.eval.StarlarkInt;
import net.starlark.java.eval.StarlarkList;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Integration tests for Starlark. */
@RunWith(JUnit4.class)
public class StarlarkIntegrationTest extends BuildViewTestCase {
protected boolean keepGoing() {
return false;
}
@Override
protected ConfiguredRuleClassProvider createRuleClassProvider() {
ConfiguredRuleClassProvider.Builder builder = new ConfiguredRuleClassProvider.Builder();
TestRuleClassProvider.addStandardRules(builder);
builder.addConfigurationFragment(DummyTestFragment.class);
return builder.build();
}
@Before
public void setupMyInfo() throws IOException {
scratch.file("myinfo/myinfo.bzl", "MyInfo = provider()");
scratch.file("myinfo/BUILD");
}
private StructImpl getMyInfoFromTarget(ConfiguredTarget configuredTarget) throws Exception {
Provider.Key key =
new StarlarkProvider.Key(
keyForBuild(Label.parseCanonical("//myinfo:myinfo.bzl")), "MyInfo");
return (StructImpl) configuredTarget.get(key);
}
@Test
public void testRemoteLabelAsDefaultAttributeValue() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def _impl(ctx):
pass
my_rule = rule(implementation = _impl,
attrs = { 'dep' : attr.label_list(default=["@r//:t"]) })
""");
// We are only interested in whether the label string in the default value can be converted
// to a proper Label without an exception (see GitHub issue #1442).
// Consequently, we expect getTarget() to fail later since the repository does not exist.
checkError(
"test/starlark",
"the_rule",
"No repository visible as '@r'",
"load('//test/starlark:extension.bzl', 'my_rule')",
"",
"my_rule(name='the_rule')");
}
@Test
public void testMainRepoLabelWorkspaceRoot() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
load('//myinfo:myinfo.bzl', 'MyInfo')
def _impl(ctx):
return [MyInfo(result = ctx.label.workspace_root)]
my_rule = rule(implementation = _impl, attrs = { })
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'my_rule')
my_rule(name='t')
""");
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:t");
String result = (String) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result).isEmpty();
}
@Test
public void testExternalRepoLabelWorkspaceRoot_subdirRepoLayout() throws Exception {
scratch.overwriteFile(
"WORKSPACE",
new ImmutableList.Builder<String>()
.addAll(analysisMock.getWorkspaceContents(mockToolsConfig))
.add("local_repository(name='r', path='/r')")
.build());
scratch.file("/r/WORKSPACE");
scratch.file(
"/r/test/starlark/extension.bzl",
"""
load('@//myinfo:myinfo.bzl', 'MyInfo')
def _impl(ctx):
return [MyInfo(result = ctx.label.workspace_root)]
my_rule = rule(implementation = _impl, attrs = { })
""");
scratch.file(
"/r/BUILD",
"""
load('//:test/starlark/extension.bzl', 'my_rule')
my_rule(name='t')
""");
// Required since we have a new WORKSPACE file.
invalidatePackages(true);
ConfiguredTarget myTarget = getConfiguredTarget("@r//:t");
String result = (String) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result).isEqualTo("external/r");
}
@Test
public void testExternalRepoLabelWorkspaceRoot_siblingRepoLayout() throws Exception {
scratch.overwriteFile(
"WORKSPACE",
new ImmutableList.Builder<String>()
.addAll(analysisMock.getWorkspaceContents(mockToolsConfig))
.add("local_repository(name='r', path='/r')")
.build());
scratch.file("/r/WORKSPACE");
scratch.file(
"/r/test/starlark/extension.bzl",
"""
load('@//myinfo:myinfo.bzl', 'MyInfo')
def _impl(ctx):
return [MyInfo(result = ctx.label.workspace_root)]
my_rule = rule(implementation = _impl, attrs = { })
""");
scratch.file(
"/r/BUILD",
"""
load('//:test/starlark/extension.bzl', 'my_rule')
my_rule(name='t')
""");
// Required since we have a new WORKSPACE file.
invalidatePackages(true);
setBuildLanguageOptions("--experimental_sibling_repository_layout");
ConfiguredTarget myTarget = getConfiguredTarget("@r//:t");
String result = (String) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result).isEqualTo("../r");
}
@Test
public void testSameMethodNames() throws Exception {
// The alias feature of load() may hide the fact that two methods in the stack trace have the
// same name. This is perfectly legal as long as these two methods are actually distinct.
// Consequently, no "Recursion was detected" error must be thrown.
scratch.file(
"test/starlark/extension.bzl",
"""
load('//test/starlark:other.bzl', other_impl = 'impl')
def impl(ctx):
other_impl(ctx)
empty = rule(implementation = impl)
""");
scratch.file(
"test/starlark/other.bzl",
"""
def impl(ctx):
print('This rule does nothing')
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'empty')
empty(name = 'test_target')
""");
getConfiguredTarget("//test/starlark:test_target");
}
private Rule getRuleForTarget(String targetName) throws Exception {
ConfiguredTargetAndData target = getConfiguredTargetAndData("//test/starlark:" + targetName);
return target.getTargetForTesting().getAssociatedRule();
}
@Test
public void testMacroHasGeneratorAttributes() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def _impl(ctx):
print('This rule does nothing')
empty = rule(implementation = _impl)
no_macro = rule(implementation = _impl)
def macro(name, visibility=None):
empty(name = name, visibility=visibility)
def native_macro(name):
native.cc_library(name = name + '_suffix')
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', macro_rule = 'macro', no_macro_rule = 'no_macro',
native_macro_rule = 'native_macro')
macro_rule(name = 'macro_target')
no_macro_rule(name = 'no_macro_target')
native_macro_rule(name = 'native_macro_target')
""");
Rule withMacro = getRuleForTarget("macro_target");
assertThat(withMacro.getAttr("generator_name")).isEqualTo("macro_target");
assertThat(withMacro.getAttr("generator_function")).isEqualTo("macro");
assertThat(withMacro.getAttr("generator_location")).isEqualTo("test/starlark/BUILD:3:11");
// Attributes are only set when the rule was created by a macro
Rule noMacro = getRuleForTarget("no_macro_target");
assertThat(noMacro.getAttr("generator_name")).isEqualTo("");
assertThat(noMacro.getAttr("generator_function")).isEqualTo("");
assertThat(noMacro.getAttr("generator_location")).isEqualTo("");
Rule nativeMacro = getRuleForTarget("native_macro_target_suffix");
assertThat(nativeMacro.getAttr("generator_name")).isEqualTo("native_macro_target");
assertThat(nativeMacro.getAttr("generator_function")).isEqualTo("native_macro");
assertThat(nativeMacro.getAttr("generator_location")).isEqualTo("test/starlark/BUILD:5:18");
}
@Test
public void sanityCheckUserDefinedTestRule() throws Exception {
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _impl(ctx):
output = ctx.outputs.out
ctx.actions.write(output = output, content = 'hello', is_executable=True)
return [DefaultInfo(executable = output)]
fake_test = rule(
implementation = _impl,
test=True,
attrs = {'_xcode_config': attr.label(default = configuration_field(
fragment = 'apple', name = "xcode_config_label"))},
outputs = {"out": "%{name}.txt"})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'fake_test')
fake_test(name = 'test_name')
""");
getConfiguredTarget("//test/starlark:test_name");
}
@Test
public void testOutputGroupsDeclaredProvider() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" f = ctx.attr.dep[OutputGroupInfo]._hidden_top_level" + INTERNAL_SUFFIX,
" return [MyInfo(result = f),",
" OutputGroupInfo(my_group = f)]",
"my_rule = rule(implementation = _impl,",
" attrs = { 'dep' : attr.label() })");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'my_rule')
cc_binary(name = 'lib', data = ['a.txt'])
my_rule(name='my', dep = ':lib')
""");
NestedSet<Artifact> hiddenTopLevelArtifacts =
OutputGroupInfo.get(getConfiguredTarget("//test/starlark:lib"))
.getOutputGroup(OutputGroupInfo.HIDDEN_TOP_LEVEL);
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:my");
Depset result = (Depset) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result.getSet(Artifact.class).toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_group").toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
}
@Test
public void testOutputGroupsAsDictionary() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" f = ctx.attr.dep.output_groups['_hidden_top_level" + INTERNAL_SUFFIX + "']",
" has_key1 = '_hidden_top_level" + INTERNAL_SUFFIX + "' in ctx.attr.dep.output_groups",
" has_key2 = 'foobar' in ctx.attr.dep.output_groups",
" all_keys = [k for k in ctx.attr.dep.output_groups]",
" return [MyInfo(result = f, ",
" has_key1 = has_key1,",
" has_key2 = has_key2,",
" all_keys = all_keys),",
" OutputGroupInfo(my_group = f)]",
"my_rule = rule(implementation = _impl,",
" attrs = { 'dep' : attr.label() })");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'my_rule')
cc_binary(name = 'lib', data = ['a.txt'])
my_rule(name='my', dep = ':lib')
""");
NestedSet<Artifact> hiddenTopLevelArtifacts =
OutputGroupInfo.get(getConfiguredTarget("//test/starlark:lib"))
.getOutputGroup(OutputGroupInfo.HIDDEN_TOP_LEVEL);
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:my");
StructImpl myInfo = getMyInfoFromTarget(myTarget);
Depset result = (Depset) myInfo.getValue("result");
assertThat(result.getSet(Artifact.class).toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_group").toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(myInfo.getValue("has_key1")).isEqualTo(Boolean.TRUE);
assertThat(myInfo.getValue("has_key2")).isEqualTo(Boolean.FALSE);
assertThat((Sequence) myInfo.getValue("all_keys"))
.containsExactly(
OutputGroupInfo.HIDDEN_TOP_LEVEL,
OutputGroupInfo.COMPILATION_PREREQUISITES,
OutputGroupInfo.FILES_TO_COMPILE,
OutputGroupInfo.TEMP_FILES,
OutputGroupInfo.VALIDATION,
"module_files");
}
@Test
public void testOutputGroupsAsDictionaryPipe() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" g = ctx.attr.dep.output_groups['_hidden_top_level" + INTERNAL_SUFFIX + "']",
" return [MyInfo(result = g),",
" OutputGroupInfo(my_group = g)]",
"my_rule = rule(implementation = _impl,",
" attrs = { 'dep' : attr.label() })");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'my_rule')
cc_binary(name = 'lib', data = ['a.txt'])
my_rule(name='my', dep = ':lib')
""");
NestedSet<Artifact> hiddenTopLevelArtifacts =
OutputGroupInfo.get(getConfiguredTarget("//test/starlark:lib"))
.getOutputGroup(OutputGroupInfo.HIDDEN_TOP_LEVEL);
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:my");
Depset result = (Depset) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result.getSet(Artifact.class).toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_group").toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
}
@Test
public void testOutputGroupsDeclaredProviderWithList() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"load('//myinfo:myinfo.bzl', 'MyInfo')",
"def _impl(ctx):",
" f = ctx.attr.dep[OutputGroupInfo]._hidden_top_level" + INTERNAL_SUFFIX,
" g = f.to_list()",
" return [MyInfo(result = f),",
" OutputGroupInfo(my_group = g, my_empty_group = [])]",
"my_rule = rule(implementation = _impl,",
" attrs = { 'dep' : attr.label() })");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'my_rule')
cc_binary(name = 'lib', data = ['a.txt'])
my_rule(name='my', dep = ':lib')
""");
NestedSet<Artifact> hiddenTopLevelArtifacts =
OutputGroupInfo.get(getConfiguredTarget("//test/starlark:lib"))
.getOutputGroup(OutputGroupInfo.HIDDEN_TOP_LEVEL);
ConfiguredTarget myTarget = getConfiguredTarget("//test/starlark:my");
Depset result = (Depset) getMyInfoFromTarget(myTarget).getValue("result");
assertThat(result.getSet(Artifact.class).toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_group").toList())
.containsExactlyElementsIn(hiddenTopLevelArtifacts.toList());
assertThat(OutputGroupInfo.get(myTarget).getOutputGroup("my_empty_group").toList()).isEmpty();
}
@Test
public void testStackTraceErrorInFunction() throws Exception {
runStackTraceTest(
" str.index(1)",
// The error occurs in a built-in, so the backtrace omits the
// final frame and instead prints "Error in index:".
"Error in index: in call to index(), parameter 'sub' got value of type 'int', want"
+ " 'string'");
}
@Test
public void testStackTraceMissingMethod() throws Exception {
// The error occurs in a Starlark operator, so the backtrace includes
// the final frame, with a source location. We report "Error: ...".
runStackTraceTest(
" (None ).index(1)", "Error: 'NoneType' value has no field or method 'index'");
}
// Precondition: 'expr' must have a 2-space indent and an error at column 12. Ugh.
// TODO(adonovan): rewrite this and similar tests as assertions over the error data
// structure, not its formatting.
protected void runStackTraceTest(String expr, String errorMessage) throws Exception {
reporter.removeHandler(failFastHandler);
// The stack doesn't include source lines because we haven't told the relevant
// call to EvalException.getMessageWithStack how to read from scratch.
String expectedTrace =
Joiner.on("\n")
.join(
"ERROR /workspace/test/starlark/BUILD:3:12: in custom_rule rule"
+ " //test/starlark:cr: ",
"Traceback (most recent call last):",
"\tFile \"/workspace/test/starlark/extension.bzl\", line 6, column 6, in"
+ " custom_rule_impl",
// "\t\tfoo()",
"\tFile \"/workspace/test/starlark/extension.bzl\", line 9, column 6, in foo",
// "\t\tbar(2, 4)",
"\tFile \"/workspace/test/starlark/extension.bzl\", line 11, column 8, in bar",
// "\t\tfirst(x, y, z)",
"\tFile \"/workspace/test/starlark/functions.bzl\", line 2, column 9, in first",
// "\t\tsecond(a, b)",
"\tFile \"/workspace/test/starlark/functions.bzl\", line 5, column 8, in second",
// "\t\tthird(\"legal\")",
"\tFile \"/workspace/test/starlark/functions.bzl\", line 7, column 12, in third",
// ...
errorMessage);
scratch.file(
"test/starlark/extension.bzl",
"""
load('//test/starlark:functions.bzl', 'first')
load('//myinfo:myinfo.bzl', 'MyInfo')
def custom_rule_impl(ctx):
attr1 = ctx.files.attr1
ftb = depset(attr1)
foo()
return [MyInfo(provider_key = ftb)]
def foo():
bar(2,4)
def bar(x,y,z=1):
first(x,y, z)
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)})
""");
scratch.file(
"test/starlark/functions.bzl",
"def first(a, b, c):",
" second(a, b)",
" third(b)",
"def second(a, b):",
" third('legal')",
"def third(str):",
expr); // 2-space indent, error at column 12
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', attr1 = [':a.txt'])
""");
getConfiguredTarget("//test/starlark:cr");
assertContainsEvent(expectedTrace);
}
@Test
public void testFilesToBuild() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
attr1 = ctx.files.attr1
ftb = depset(attr1)
return [DefaultInfo(runfiles = ctx.runfiles(), files = ftb)]
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', attr1 = [':a.txt'])
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("a.txt");
}
@Test
public void testRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
attr1 = ctx.files.attr1
rf = ctx.runfiles(files = attr1)
return [DefaultInfo(runfiles = rf)]
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', attr1 = [':a.txt'])
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDefaultRunfiles().getAllArtifacts()))
.containsExactly("a.txt");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDataRunfiles().getAllArtifacts()))
.containsExactly("a.txt");
}
@Test
public void testAccessRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
runfiles = ctx.attr.x.default_runfiles.files
return [DefaultInfo(files = runfiles)]
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'x': attr.label(allow_files=True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
cc_library(name = 'lib', data = ['a.txt'])
custom_rule(name = 'cr1', x = ':lib')
custom_rule(name = 'cr2', x = 'b.txt')
""");
scratch.file("test/starlark/a.txt");
scratch.file("test/starlark/b.txt");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr1");
List<String> baseArtifactNames =
ActionsTestUtil.baseArtifactNames(target.getProvider(FileProvider.class).getFilesToBuild());
assertThat(baseArtifactNames).containsExactly("a.txt");
target = getConfiguredTarget("//test/starlark:cr2");
baseArtifactNames =
ActionsTestUtil.baseArtifactNames(target.getProvider(FileProvider.class).getFilesToBuild());
assertThat(baseArtifactNames).isEmpty();
}
@Test
public void testStatefulRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
attr1 = ctx.files.attr1
rf1 = ctx.runfiles(files = attr1)
rf2 = ctx.runfiles()
return [DefaultInfo(data_runfiles = rf1, default_runfiles = rf2)]
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'attr1': attr.label_list(mandatory = True, allow_files=True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', attr1 = [':a.txt'])
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
assertThat(target.getProvider(RunfilesProvider.class).getDefaultRunfiles().isEmpty()).isTrue();
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDataRunfiles().getAllArtifacts()))
.containsExactly("a.txt");
}
@Test
public void testExecutableGetsInRunfilesAndFilesToBuild() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
ctx.actions.write(output = ctx.outputs.executable, content = 'echo hello')
rf = ctx.runfiles(ctx.files.data)
return [DefaultInfo(runfiles = rf)]
custom_rule = rule(implementation = custom_rule_impl, executable = True,
attrs = {'data': attr.label_list(allow_files=True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', data = [':a.txt'])
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDefaultRunfiles().getAllArtifacts()))
.containsExactly("a.txt", "cr")
.inOrder();
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("cr");
}
@Test
public void testCannotSpecifyRunfilesWithDataOrDefaultRunfiles_struct() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
rf = ctx.runfiles()
return struct(runfiles = rf, default_runfiles = rf)
custom_rule = rule(implementation = custom_rule_impl)
""");
checkError(
"test/starlark",
"cr",
"Cannot specify the provider 'runfiles' together with "
+ "'data_runfiles' or 'default_runfiles'",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr')");
}
@Test
public void testCannotSpecifyRunfilesWithDataOrDefaultRunfiles_defaultInfo() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
rf = ctx.runfiles()
return [DefaultInfo(runfiles = rf, default_runfiles = rf)]
custom_rule = rule(implementation = custom_rule_impl)
""");
checkError(
"test/starlark",
"cr",
"Cannot specify the provider 'runfiles' together with "
+ "'data_runfiles' or 'default_runfiles'",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr')");
}
@Test
public void testDefaultInfoWithRunfilesConstructor() throws Exception {
scratch.file(
"pkg/BUILD",
"""
sh_binary(name = 'tryme',
srcs = [':tryme.sh'],
visibility = ['//visibility:public'],
)
""");
scratch.file(
"src/rulez.bzl",
"""
def _impl(ctx):
info = DefaultInfo(runfiles = ctx.runfiles(files=[ctx.executable.dep]))
if info.default_runfiles.files.to_list()[0] != ctx.executable.dep:
fail('expected runfile to be in info.default_runfiles')
return [info]
r = rule(_impl,
attrs = {
'dep' : attr.label(executable = True, mandatory = True, cfg = 'exec'),
}
)
""");
scratch.file(
"src/BUILD",
"""
load(':rulez.bzl', 'r')
r(name = 'r_tools', dep = '//pkg:tryme')
""");
assertThat(getConfiguredTarget("//src:r_tools")).isNotNull();
}
@Test
public void testDefaultInfoFilesAddedToCcBinaryTargetRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
out = ctx.actions.declare_file(ctx.attr.name + '.out')
ctx.actions.write(out, 'foobar')
return [DefaultInfo(files = depset([out]))]
custom_rule = rule(implementation = custom_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr')
cc_binary(name = 'binary', data = [':cr'])
""");
useConfiguration("--incompatible_always_include_files_in_data");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:binary");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:binary");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDefaultRunfiles().getAllArtifacts()))
.contains("cr.out");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDataRunfiles().getAllArtifacts()))
.contains("cr.out");
}
@Test
public void testDefaultInfoFilesAddedToJavaBinaryTargetRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
out = ctx.actions.declare_file(ctx.attr.name + '.out')
ctx.actions.write(out, 'foobar')
return [DefaultInfo(files = depset([out]))]
custom_rule = rule(implementation = custom_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr')
java_binary(name = 'binary', data = [':cr'], srcs = ['Foo.java'], main_class = 'Foo')
""");
useConfiguration("--incompatible_always_include_files_in_data");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:binary");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:binary");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDefaultRunfiles().getAllArtifacts()))
.contains("cr.out");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDataRunfiles().getAllArtifacts()))
.contains("cr.out");
}
@Test
public void testDefaultInfoFilesAddedToPyBinaryTargetRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
out = ctx.actions.declare_file(ctx.attr.name + '.out')
ctx.actions.write(out, 'foobar')
return [DefaultInfo(files = depset([out]))]
custom_rule = rule(implementation = custom_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
getPyLoad("py_binary"),
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr')",
"py_binary(name = 'binary', data = [':cr'], srcs = ['binary.py'])");
useConfiguration("--incompatible_always_include_files_in_data");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:binary");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:binary");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDefaultRunfiles().getAllArtifacts()))
.contains("cr.out");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDataRunfiles().getAllArtifacts()))
.contains("cr.out");
}
@Test
public void testDefaultInfoFilesAddedToShBinaryTargetRunfiles() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
out = ctx.actions.declare_file(ctx.attr.name + '.out')
ctx.actions.write(out, 'foobar')
return [DefaultInfo(files = depset([out]))]
custom_rule = rule(implementation = custom_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr')
sh_binary(name = 'binary', data = [':cr'], srcs = ['script.sh'])
""");
useConfiguration("--incompatible_always_include_files_in_data");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:binary");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:binary");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDefaultRunfiles().getAllArtifacts()))
.contains("cr.out");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(RunfilesProvider.class).getDataRunfiles().getAllArtifacts()))
.contains("cr.out");
}
@Test
public void testInstrumentedFilesProviderWithCodeCoverageDisabled() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
return struct(instrumented_files=struct(
extensions = ['txt'],
source_attributes = ['attr1'],
dependency_attributes = ['attr2']))
custom_rule = rule(implementation = custom_rule_impl,
attrs = {
'attr1': attr.label_list(mandatory = True, allow_files=True),
'attr2': attr.label_list(mandatory = True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
java_library(name='jl', srcs = [':A.java'])
custom_rule(name = 'cr', attr1 = [':a.txt', ':a.random'], attr2 = [':jl'])
""");
useConfiguration("--nocollect_code_coverage");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
InstrumentedFilesInfo provider = target.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR);
assertWithMessage("InstrumentedFilesInfo should be set.").that(provider).isNotNull();
assertThat(ActionsTestUtil.baseArtifactNames(provider.getInstrumentedFiles())).isEmpty();
}
@Test
public void testInstrumentedFilesProviderWithCodeCoverageEnabled() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
return struct(instrumented_files=struct(
extensions = ['txt'],
source_attributes = ['attr1'],
dependency_attributes = ['attr2']))
custom_rule = rule(implementation = custom_rule_impl,
attrs = {
'attr1': attr.label_list(mandatory = True, allow_files=True),
'attr2': attr.label_list(mandatory = True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
java_library(name='jl', srcs = [':A.java'])
custom_rule(name = 'cr', attr1 = [':a.txt', ':a.random'], attr2 = [':jl'])
""");
useConfiguration("--collect_code_coverage");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
InstrumentedFilesInfo provider = target.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR);
assertWithMessage("InstrumentedFilesInfo should be set.").that(provider).isNotNull();
assertThat(ActionsTestUtil.baseArtifactNames(provider.getInstrumentedFiles()))
.containsExactly("a.txt", "A.java");
}
@Test
public void testInstrumentedFilesInfo_coverageDisabled() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
return struct(instrumented_files=struct(
extensions = ['txt'],
source_attributes = ['attr1'],
dependency_attributes = ['attr2']))
custom_rule = rule(implementation = custom_rule_impl,
attrs = {
'attr1': attr.label_list(mandatory = True, allow_files=True),
'attr2': attr.label_list(mandatory = True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
java_library(name='jl', srcs = [':A.java'])
custom_rule(name = 'cr', attr1 = [':a.txt', ':a.random'], attr2 = [':jl'])
""");
useConfiguration("--nocollect_code_coverage");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
InstrumentedFilesInfo provider = target.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR);
assertWithMessage("InstrumentedFilesInfo should be set.").that(provider).isNotNull();
assertThat(ActionsTestUtil.baseArtifactNames(provider.getInstrumentedFiles())).isEmpty();
}
@Test
public void testInstrumentedFilesInfo_coverageEnabled() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
load('//myinfo:myinfo.bzl', 'MyInfo')
def custom_rule_impl(ctx):
metadata = ctx.actions.declare_file(ctx.label.name + '.metadata')
ctx.actions.write(metadata, '')
return [
coverage_common.instrumented_files_info(
ctx,
extensions = ['txt'],
source_attributes = [
'label_src',
'label_list_srcs',
'dict_srcs',
# Missing attrs are ignored (this allows common configuration for sets of rules where
# only some define the specified attributes, e.g. *_library/binary).
'missing_src_attr',
],
dependency_attributes = [
'label_dep',
'label_list_deps',
'dict_deps',
# Missing attrs are ignored
'missing_dep_attr',
],
metadata_files = [metadata],
),
]
custom_rule = rule(
implementation = custom_rule_impl,
attrs = {
'label_src': attr.label(allow_files=True),
'label_list_srcs': attr.label_list(allow_files=True),
'dict_srcs': attr.label_keyed_string_dict(allow_files=True),
# Generally deps don't set allow_files=True, but want to assert that source files in
# dependency_attributes are ignored, since source files don't provide
# InstrumentedFilesInfo. (For example, files put directly into data are assumed to not be
# source code that gets coverage instrumented.)
'label_dep': attr.label(allow_files=True),
'label_list_deps': attr.label_list(allow_files=True),
'dict_deps': attr.label_keyed_string_dict(allow_files=True),
},
)
def test_rule_impl(ctx):
return [MyInfo(
# The point of this is to assert that these fields can be read in analysistest.
# Normally, this information wouldn't be forwarded via a different provider.
instrumented_files = ctx.attr.target[InstrumentedFilesInfo].instrumented_files,
metadata_files = ctx.attr.target[InstrumentedFilesInfo].metadata_files)]
test_rule = rule(implementation = test_rule_impl,
attrs = {'target': attr.label(mandatory = True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule', 'test_rule')
cc_library(name='label_dep', srcs = [':label_dep.cc'])
cc_library(name='label_list_dep', srcs = [':label_list_dep.cc'])
cc_library(name='dict_dep', srcs = [':dict_dep.cc'])
custom_rule(
name = 'cr',
label_src = ':label_src.txt',
# Check that srcs with the wrong extension are ignored.
label_list_srcs = [':label_list_src.txt', ':label_list_src.ignored'],
dict_srcs = {':dict_src.txt': ''},
label_dep = ':label_dep',
# Check that files in dependency attributes are ignored.
label_list_deps = [':label_list_dep', ':file_in_deps_is_ignored.txt'],
dict_deps= {':dict_dep': ''},
)
test_rule(name = 'test', target = ':cr')
""");
useConfiguration("--collect_code_coverage");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:test");
StructImpl myInfo = getMyInfoFromTarget(target);
assertThat(
ActionsTestUtil.baseArtifactNames(
((Depset) myInfo.getValue("instrumented_files")).getSet(Artifact.class)))
.containsExactly(
"label_src.txt",
"label_list_src.txt",
"dict_src.txt",
"label_dep.cc",
"label_list_dep.cc",
"dict_dep.cc");
assertThat(
ActionsTestUtil.baseArtifactNames(
((Depset) myInfo.getValue("metadata_files")).getSet(Artifact.class)))
.containsExactly("label_dep.gcno", "label_list_dep.gcno", "dict_dep.gcno", "cr.metadata");
ConfiguredTarget customRule = getConfiguredTarget("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
customRule
.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR)
.getBaselineCoverageInstrumentedFiles()))
.containsExactly(
"label_src.txt",
"label_list_src.txt",
"dict_src.txt",
"label_dep.cc",
"label_list_dep.cc",
"dict_dep.cc");
}
/**
* Define a noop exec transition outside builtins to not interfere with tests that change the
* builtins root.
*/
@Before
public void createNoopExecTransition() throws Exception {
mockToolsConfig.create(
"minimal_buildenv/platforms/BUILD", //
"platform(name = 'default_host')");
// No-op exec transition:
scratch.overwriteFile("pkg2/BUILD", "");
scratch.file(
"pkg2/dummy_exec_platforms.bzl",
"def _transition_impl(settings, attr):",
" return {",
" '//command_line_option:is exec configuration': True,",
" '//command_line_option:platforms': [],",
// Need to propagate so we don't parse unparseable default @local_config_platform. Remember
// the exec transition starts from defaults.
" '//command_line_option:host_platform':"
+ " settings['//command_line_option:host_platform'],",
" '//command_line_option:experimental_exec_config':"
+ " settings['//command_line_option:experimental_exec_config'],",
" }",
"noop_transition = transition(",
" implementation = _transition_impl,",
" inputs = [",
" '//command_line_option:host_platform',",
" '//command_line_option:experimental_exec_config',",
" ],",
" outputs = [",
" '//command_line_option:is exec configuration',",
" '//command_line_option:platforms',",
" '//command_line_option:experimental_exec_config',",
" '//command_line_option:host_platform',",
"])");
}
@Test
public void testInstrumentedFilesInfo_coverageSupportFiles_depset() throws Exception {
scratch.file(
// Package test is in the allowlist for coverage_support_files
"test/starlark/extension.bzl",
"""
def _impl(ctx):
file1 = ctx.actions.declare_file(ctx.label.name + '.file1')
ctx.actions.write(file1, '')
file2 = ctx.actions.declare_file(ctx.label.name + '.file2')
ctx.actions.write(file2, '')
return coverage_common.instrumented_files_info(
ctx,
coverage_support_files = depset([file1, file2]),
)
custom_rule = rule(implementation = _impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'foo')
""");
useConfiguration(
"--collect_code_coverage");
assertThat(
ActionsTestUtil.baseArtifactNames(
getConfiguredTarget("//test/starlark:foo")
.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR)
.getCoverageSupportFiles()))
.containsExactly("foo.file1", "foo.file2");
}
@Test
public void testInstrumentedFilesInfo_coverageSupportFiles_sequence() throws Exception {
scratch.file(
// Package test is in the allowlist for coverage_support_files
"test/starlark/extension.bzl",
"""
def _impl(ctx):
file1 = ctx.actions.declare_file(ctx.label.name + '.file1')
ctx.actions.write(file1, '')
file2 = ctx.actions.declare_file(ctx.label.name + '.file2')
ctx.actions.write(file2, '')
return coverage_common.instrumented_files_info(
ctx,
coverage_support_files = [depset([file1]), file2],
)
custom_rule = rule(implementation = _impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'foo')
""");
scratch.file("test/starlark/bin.sh", "");
useConfiguration("--collect_code_coverage");
assertThat(
ActionsTestUtil.baseArtifactNames(
getConfiguredTarget("//test/starlark:foo")
.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR)
.getCoverageSupportFiles()))
.containsExactly("foo.file1", "foo.file2");
}
@Test
public void testInstrumentedFilesInfo_coverageSupportAndEnvVarsArePrivateAPI() throws Exception {
scratch.file(
// Package foo is not in the allowlist for coverage_support_files
"foo/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
return [
coverage_common.instrumented_files_info(
ctx,
coverage_support_files = ctx.files.srcs,
coverage_environment = {'k1' : 'v1'},
),
]
custom_rule = rule(
implementation = custom_rule_impl,
attrs = {
'srcs': attr.label_list(allow_files=True),
},
)
""");
scratch.file(
"foo/starlark/BUILD",
"""
load('//foo/starlark:extension.bzl', 'custom_rule')
custom_rule(
name = 'foo',
srcs = ['src1.txt'],
)
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//foo/starlark:foo");
assertContainsEvent("file '//foo/starlark:extension.bzl' cannot use private API");
}
@Test
public void testTransitiveInfoProviders() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
load('//myinfo:myinfo.bzl', 'MyInfo')
def custom_rule_impl(ctx):
attr1 = ctx.files.attr1
ftb = depset(attr1)
return [MyInfo(provider_key = ftb)]
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', attr1 = [':a.txt'])
""");
RuleConfiguredTarget target = (RuleConfiguredTarget) getConfiguredTarget("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
((Depset) getMyInfoFromTarget(target).getValue("provider_key"))
.getSet(Artifact.class)))
.containsExactly("a.txt");
}
@Test
public void testInstrumentedFilesForwardedFromDepsByDefault() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
# This wrapper doesn't configure InstrumentedFilesInfo.
def wrapper_impl(ctx):
return []
wrapper = rule(implementation = wrapper_impl,
attrs = {
'srcs': attr.label_list(allow_files = True),
'wrapped': attr.label(mandatory = True),
'wrapped_list': attr.label_list(),
# Exec deps aren't forwarded by default, since they don't provide code/binaries
# executed at runtime.
'tool': attr.label(cfg = 'exec', executable = True, mandatory = True),
})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'wrapper')
cc_binary(name = 'tool', srcs = [':tool.cc'])
cc_binary(name = 'wrapped', srcs = [':wrapped.cc'])
cc_binary(name = 'wrapped_list', srcs = [':wrapped_list.cc'])
wrapper(
name = 'wrapper',
srcs = ['ignored.cc'],
wrapped = ':wrapped',
wrapped_list = [':wrapped_list'],
tool = ':tool',
)
cc_binary(name = 'outer', data = [':wrapper'])
""");
// By default, InstrumentedFilesInfo is forwarded from all dependencies. Coverage still needs to
// be configured for rules that handle source files for languages which support coverage
// instrumentation, but not every wrapper rule in the dependency chain needs to configure that
// for coverage to work at all.
useConfiguration("--collect_code_coverage");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:outer");
InstrumentedFilesInfo provider = target.get(InstrumentedFilesInfo.STARLARK_CONSTRUCTOR);
assertWithMessage("InstrumentedFilesInfo should be set.").that(provider).isNotNull();
assertThat(ActionsTestUtil.baseArtifactNames(provider.getInstrumentedFiles()))
.containsExactly("wrapped.cc", "wrapped_list.cc");
}
@Test
public void testMandatoryProviderMissing() throws Exception {
scratch.file("test/starlark/BUILD");
scratch.file(
"test/starlark/extension.bzl",
"""
def rule_impl(ctx):
return []
dependent_rule = rule(implementation = rule_impl)
main_rule = rule(implementation = rule_impl,
attrs = {'dependencies': attr.label_list(providers = ['some_provider'],
allow_files=True)})
""");
checkError(
"test",
"b",
"in dependencies attribute of main_rule rule //test:b: "
+ "'//test:a' does not have mandatory providers: 'some_provider'",
"load('//test/starlark:extension.bzl', 'dependent_rule')",
"load('//test/starlark:extension.bzl', 'main_rule')",
"",
"dependent_rule(name = 'a')",
"main_rule(name = 'b', dependencies = [':a'])");
}
@Test
public void testSpecialMandatoryProviderMissing() throws Exception {
// Test that rules satisfy `providers = [...]` condition if a special provider that always
// exists for all rules is requested. Also check external rules.
FileSystemUtils.appendIsoLatin1(scratch.resolve("WORKSPACE"),
"bind(name = 'bar', actual = '//test/ext:bar')");
scratch.file(
"test/ext/BUILD",
"""
load('//test/starlark:extension.bzl', 'foobar')
foobar(name = 'bar', visibility = ['//visibility:public'],)
""");
scratch.file(
"test/starlark/extension.bzl",
"""
def rule_impl(ctx):
pass
foobar = rule(implementation = rule_impl)
main_rule = rule(implementation = rule_impl, attrs = {
'deps': attr.label_list(providers = [
'files', 'data_runfiles', 'default_runfiles',
'files_to_run', 'output_groups',
])
})
""");
scratch.file(
"test/starlark/BUILD",
"""
load(':extension.bzl', 'foobar', 'main_rule')
foobar(name = 'foo')
main_rule(name = 'main', deps = [':foo', '//external:bar'])
""");
invalidatePackages();
getConfiguredTarget("//test/starlark:main");
}
@Test
public void testActions() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
attr1 = ctx.files.attr1
output = ctx.outputs.o
ctx.actions.run_shell(
inputs = attr1,
outputs = [output],
command = 'echo')
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)},
outputs = {'o': 'o.txt'})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', attr1 = [':a.txt'])
""");
getConfiguredTarget("//test/starlark:cr");
FileConfiguredTarget target = getFileConfiguredTarget("//test/starlark:o.txt");
assertThat(
ActionsTestUtil.baseArtifactNames(
getGeneratingAction(target.getArtifact()).getInputs()))
.containsExactly("a.txt");
}
@Test
public void testRuleClassImplicitOutputFunction() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
files = [ctx.outputs.o]
ctx.actions.run_shell(
outputs = files,
command = 'echo')
ftb = depset(files)
return [DefaultInfo(runfiles = ctx.runfiles(), files = ftb)]
def output_func(name, public_attr, _private_attr):
if _private_attr != None: return {}
return {'o': name + '-' + public_attr + '.txt'}
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'public_attr': attr.string(),
'_private_attr': attr.label()},
outputs = output_func)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', public_attr = 'bar')
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("cr-bar.txt");
}
@Test
public void testRuleClassImplicitOutputFunctionDependingOnComputedAttribute() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
files = [ctx.outputs.o]
ctx.actions.run_shell(
outputs = files,
command = 'echo')
ftb = depset(files)
return [DefaultInfo(runfiles = ctx.runfiles(), files = ftb)]
def attr_func(public_attr):
return public_attr
def output_func(_private_attr):
return {'o': _private_attr.name + '.txt'}
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'public_attr': attr.label(),
'_private_attr': attr.label(default = attr_func)},
outputs = output_func)
def empty_rule_impl(ctx):
pass
empty_rule = rule(implementation = empty_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule', 'empty_rule')
empty_rule(name = 'foo')
custom_rule(name = 'cr', public_attr = '//test/starlark:foo')
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("foo.txt");
}
@Test
public void testRuleClassImplicitOutputs() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
files = [ctx.outputs.lbl, ctx.outputs.list, ctx.outputs.str]
print('==!=!=!=')
print(files)
ctx.actions.run_shell(
outputs = files,
command = 'echo')
return [DefaultInfo(files = depset(files))]
custom_rule = rule(implementation = custom_rule_impl,
attrs = {
'attr1': attr.label(allow_files=True),
'attr2': attr.label_list(allow_files=True),
'attr3': attr.string(),
},
outputs = {
'lbl': '%{attr1}.a',
'list': '%{attr2}.b',
'str': '%{attr3}.c',
})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(
name='cr',
attr1='f1.txt',
attr2=['f2.txt'],
attr3='f3.txt',
)
""");
scratch.file("test/starlark/f1.txt");
scratch.file("test/starlark/f2.txt");
scratch.file("test/starlark/f3.txt");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("f1.a", "f2.b", "f3.txt.c");
}
@Test
public void testRuleClassImplicitOutputFunctionAndDefaultValue() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
ctx.actions.run_shell(
outputs = [ctx.outputs.o],
command = 'echo')
return [DefaultInfo(runfiles = ctx.runfiles())]
def output_func(attr1):
return {'o': attr1 + '.txt'}
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'attr1': attr.string(default='bar')},
outputs = output_func)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', attr1 = None)
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("bar.txt");
}
@Test
public void testPrintProviderCollection() throws Exception {
scratch.file(
"test/starlark/rules.bzl",
"""
FooInfo = provider()
BarInfo = provider()
def _top_level_rule_impl(ctx):
print('My Dep Providers:', ctx.attr.my_dep)
def _dep_rule_impl(name):
providers = [
FooInfo(),
BarInfo(),
]
return providers
top_level_rule = rule(
implementation=_top_level_rule_impl,
attrs={'my_dep':attr.label()}
)
dep_rule = rule(
implementation=_dep_rule_impl,
)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:rules.bzl', 'top_level_rule', 'dep_rule')
top_level_rule(name = 'tl', my_dep=':d')
dep_rule(name = 'd')
""");
getConfiguredTarget("//test/starlark:tl");
assertContainsEvent(
"My Dep Providers: <target //test/starlark:d, keys:[LicenseInfo, FooInfo, BarInfo,"
+ " OutputGroupInfo]>");
}
@Test
public void testRuleClassImplicitOutputFunctionPrints() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
print('implementation', ctx.label)
files = [ctx.outputs.o]
ctx.actions.run_shell(
outputs = files,
command = 'echo')
def output_func(name):
print('output function', name)
return {'o': name + '.txt'}
custom_rule = rule(implementation = custom_rule_impl,
outputs = output_func)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr')
""");
getConfiguredTarget("//test/starlark:cr");
assertContainsEvent("output function cr");
assertContainsEvent("implementation @@//test/starlark:cr");
}
@Test
public void testNoOutputAttrDefault() throws Exception {
scratch.file(
"test/extension.bzl",
"""
load('//myinfo:myinfo.bzl', 'MyInfo')
def custom_rule_impl(ctx):
out_file = ctx.actions.declare_file(ctx.attr._o1.name)
ctx.actions.write(output=out_file, content='hi')
return [MyInfo(o1=ctx.attr._o1)]
def output_fn():
return Label('//test/starlark:foo.txt')
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'_o1': attr.output(default = output_fn)})
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'custom_rule')
custom_rule(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent("got unexpected keyword argument 'default'");
}
@Test
public void testNoOutputListAttrDefault() throws Exception {
scratch.file(
"test/extension.bzl",
"""
def custom_rule_impl(ctx):
return []
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'outs': attr.output_list(default = [])})
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'custom_rule')
custom_rule(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent("got unexpected keyword argument 'default'");
}
@Test
public void testRuleClassNonMandatoryEmptyOutputs() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
load('//myinfo:myinfo.bzl', 'MyInfo')
def custom_rule_impl(ctx):
return [MyInfo(
o1=ctx.outputs.o1,
o2=ctx.outputs.o2)]
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'o1': attr.output(), 'o2': attr.output_list()})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr')
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
StructImpl myInfo = getMyInfoFromTarget(target);
assertThat(myInfo.getValue("o1")).isEqualTo(Starlark.NONE);
assertThat(myInfo.getValue("o2")).isEqualTo(StarlarkList.empty());
}
@Test
public void testRuleClassImplicitAndExplicitOutputNamesCollide() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
return []
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'o': attr.output_list()},
outputs = {'o': '%{name}.txt'})
""");
checkError(
"test/starlark",
"cr",
"Implicit output key 'o' collides with output attribute name",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr', o = [':bar.txt'])");
}
@Test
public void testRuleClassDefaultFilesToBuild() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
files = [ctx.outputs.o]
ctx.actions.run_shell(
outputs = files,
command = 'echo')
ftb = depset(files)
for i in ctx.outputs.out:
ctx.actions.write(output=i, content='hi there')
def output_func(attr1):
return {'o': attr1 + '.txt'}
custom_rule = rule(implementation = custom_rule_impl,
attrs = {
'attr1': attr.string(),
'out': attr.output_list()
},
outputs = output_func)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', attr1 = 'bar', out=['other'])
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("bar.txt", "other")
.inOrder();
}
@Test
public void rulesReturningDeclaredProviders() throws Exception {
scratch.file(
"test/extension.bzl",
"""
my_provider = provider()
def _impl(ctx):
return [my_provider(x = 1)]
my_rule = rule(_impl)
""");
scratch.file(
"test/BUILD",
"""
load(':extension.bzl', 'my_rule')
my_rule(name = 'r')
""");
ConfiguredTarget configuredTarget = getConfiguredTarget("//test:r");
Provider.Key key =
new StarlarkProvider.Key(
keyForBuild(
Label.create(configuredTarget.getLabel().getPackageIdentifier(), "extension.bzl")),
"my_provider");
StructImpl declaredProvider = (StructImpl) configuredTarget.get(key);
assertThat(declaredProvider).isNotNull();
assertThat(declaredProvider.getProvider().getKey()).isEqualTo(key);
assertThat(declaredProvider.getValue("x")).isEqualTo(StarlarkInt.of(1));
}
@Test
public void rulesReturningDeclaredProvidersCompatMode() throws Exception {
scratch.file(
"test/extension.bzl",
"""
my_provider = provider()
def _impl(ctx):
return [my_provider(x = 1)]
my_rule = rule(_impl)
""");
scratch.file(
"test/BUILD",
"""
load(':extension.bzl', 'my_rule')
my_rule(name = 'r')
""");
ConfiguredTarget configuredTarget = getConfiguredTarget("//test:r");
Provider.Key key =
new StarlarkProvider.Key(
keyForBuild(
Label.create(configuredTarget.getLabel().getPackageIdentifier(), "extension.bzl")),
"my_provider");
StructImpl declaredProvider = (StructImpl) configuredTarget.get(key);
assertThat(declaredProvider).isNotNull();
assertThat(declaredProvider.getProvider().getKey()).isEqualTo(key);
assertThat(declaredProvider.getValue("x")).isEqualTo(StarlarkInt.of(1));
}
@Test
public void testRuleReturningUnwrappedDeclaredProvider() throws Exception {
scratch.file(
"test/extension.bzl",
"""
my_provider = provider()
def _impl(ctx):
return my_provider(x = 1)
my_rule = rule(_impl)
""");
scratch.file(
"test/BUILD",
"""
load(':extension.bzl', 'my_rule')
my_rule(name = 'r')
""");
ConfiguredTarget configuredTarget = getConfiguredTarget("//test:r");
Provider.Key key =
new StarlarkProvider.Key(
keyForBuild(
Label.create(configuredTarget.getLabel().getPackageIdentifier(), "extension.bzl")),
"my_provider");
StructImpl declaredProvider = (StructImpl) configuredTarget.get(key);
assertThat(declaredProvider).isNotNull();
assertThat(declaredProvider.getProvider().getKey()).isEqualTo(key);
assertThat(declaredProvider.getValue("x")).isEqualTo(StarlarkInt.of(1));
}
@Test
public void testConflictingProviderKeys_fromStruct_disallowed() throws Exception {
scratch.file(
"test/extension.bzl",
"""
my_provider = provider()
other_provider = provider()
def _impl(ctx):
return [my_provider(x = 1), other_provider(), my_provider(x = 2)]
my_rule = rule(_impl)
""");
checkError(
"test",
"r",
"Multiple conflicting returned providers with key my_provider",
"load(':extension.bzl', 'my_rule')",
"my_rule(name = 'r')");
}
@Test
public void testConflictingProviderKeys_fromIterable_disallowed() throws Exception {
scratch.file(
"test/extension.bzl",
"""
my_provider = provider()
other_provider = provider()
def _impl(ctx):
return [my_provider(x = 1), other_provider(), my_provider(x = 2)]
my_rule = rule(_impl)
""");
checkError(
"test",
"r",
"Multiple conflicting returned providers with key my_provider",
"load(':extension.bzl', 'my_rule')",
"my_rule(name = 'r')");
}
@Test
public void testRecursionDetection() throws Exception {
reporter.removeHandler(failFastHandler);
scratch.file(
"test/starlark/extension.bzl",
"""
def _impl(ctx):
_impl(ctx)
empty = rule(implementation = _impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'empty')
empty(name = 'test_target')
""");
getConfiguredTarget("//test/starlark:test_target");
assertContainsEvent("function '_impl' called recursively");
}
@Test
public void testBadCallbackFunction() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def impl(): return 0
custom_rule = rule(impl)
""");
checkError(
"test/starlark",
"cr",
"impl() does not accept positional arguments",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr')");
}
@Test
public void testRuleClassImplicitOutputFunctionBadAttr() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
return None
def output_func(bad_attr):
return {'a': bad_attr}
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'attr1': attr.string()},
outputs = output_func)
""");
checkError(
"test/starlark",
"cr",
"Attribute 'bad_attr' either doesn't exist or uses a select()",
"load('//test/starlark:extension.bzl', 'custom_rule')",
"",
"custom_rule(name = 'cr', attr1 = 'bar')");
}
@Test
public void testHelperFunctionInRuleImplementation() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def helper_func(attr1):
return depset(attr1)
def custom_rule_impl(ctx):
attr1 = ctx.files.attr1
ftb = helper_func(attr1)
return [DefaultInfo(runfiles = ctx.runfiles(), files = ftb)]
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'attr1': attr.label_list(mandatory=True, allow_files=True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr', attr1 = [':a.txt'])
""");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:cr");
assertThat(target.getLabel().toString()).isEqualTo("//test/starlark:cr");
assertThat(
ActionsTestUtil.baseArtifactNames(
target.getProvider(FileProvider.class).getFilesToBuild()))
.containsExactly("a.txt");
}
@Test
public void testMultipleLoadsOfSameRule() throws Exception {
scratch.file("test/starlark/BUILD");
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
return None
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'dep': attr.label_list(allow_files=True)})
""");
scratch.file(
"test/starlark1/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr1')
""");
scratch.file(
"test/starlark2/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr2', dep = ['//test/starlark1:cr1'])
""");
getConfiguredTarget("//test/starlark2:cr2");
}
@Test
public void testFunctionGeneratingRules() throws Exception {
scratch.file(
"test/starlark/extension.bzl",
"""
def impl(ctx): return None
def gen(): return rule(impl)
r = gen()
s = gen()
""");
scratch.file(
"test/starlark/BUILD",
"""
load(':extension.bzl', 'r', 's')
r(name = 'r')
s(name = 's')
""");
getConfiguredTarget("//test/starlark:r");
getConfiguredTarget("//test/starlark:s");
}
@Test
public void testLoadInStarlark() throws Exception {
scratch.file(
"test/starlark/implementation.bzl",
"""
def custom_rule_impl(ctx):
return None
""");
scratch.file(
"test/starlark/extension.bzl",
"""
load('//test/starlark:implementation.bzl', 'custom_rule_impl')
custom_rule = rule(implementation = custom_rule_impl,
attrs = {'dep': attr.label_list(allow_files=True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr')
""");
getConfiguredTarget("//test/starlark:cr");
}
@Test
public void testRuleAliasing() throws Exception {
scratch.file(
"test/starlark/implementation.bzl",
"""
def impl(ctx): return []
custom_rule = rule(implementation = impl)
""");
scratch.file(
"test/starlark/ext.bzl",
"""
load('//test/starlark:implementation.bzl', 'custom_rule')
def impl(ctx): return []
custom_rule1 = rule(implementation = impl)
custom_rule2 = custom_rule1
custom_rule3 = custom_rule
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:ext.bzl', 'custom_rule1', 'custom_rule2', 'custom_rule3')
custom_rule4 = custom_rule3
custom_rule1(name = 'cr1')
custom_rule2(name = 'cr2')
custom_rule3(name = 'cr3')
custom_rule4(name = 'cr4')
""");
getConfiguredTarget("//test/starlark:cr1");
getConfiguredTarget("//test/starlark:cr2");
getConfiguredTarget("//test/starlark:cr3");
getConfiguredTarget("//test/starlark:cr4");
}
@Test
public void testRecursiveLoad() throws Exception {
scratch.file("test/starlark/ext2.bzl", "load('//test/starlark:ext1.bzl', 'symbol2')");
scratch.file("test/starlark/ext1.bzl", "load('//test/starlark:ext2.bzl', 'symbol1')");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:ext1.bzl', 'custom_rule')
genrule(name = 'rule')
""");
reporter.removeHandler(failFastHandler);
assertThrows(BuildFileContainsErrorsException.class, () -> getTarget("//test/starlark:rule"));
assertContainsEvent(
"cycle detected in extension files: \n"
+ " test/starlark/BUILD\n"
+ ".-> //test/starlark:ext1.bzl\n"
+ "| //test/starlark:ext2.bzl\n"
+ "`-- //test/starlark:ext1.bzl");
}
@Test
public void testRecursiveLoad2() throws Exception {
scratch.file("test/starlark/ext1.bzl", "load('//test/starlark:ext2.bzl', 'symbol2')");
scratch.file("test/starlark/ext2.bzl", "load('//test/starlark:ext3.bzl', 'symbol3')");
scratch.file("test/starlark/ext3.bzl", "load('//test/starlark:ext4.bzl', 'symbol4')");
scratch.file("test/starlark/ext4.bzl", "load('//test/starlark:ext2.bzl', 'symbol2')");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:ext1.bzl', 'custom_rule')
genrule(name = 'rule')
""");
reporter.removeHandler(failFastHandler);
assertThrows(BuildFileContainsErrorsException.class, () -> getTarget("//test/starlark:rule"));
assertContainsEvent(
"cycle detected in extension files: \n"
+ " test/starlark/BUILD\n"
+ " //test/starlark:ext1.bzl\n"
+ ".-> //test/starlark:ext2.bzl\n"
+ "| //test/starlark:ext3.bzl\n"
+ "| //test/starlark:ext4.bzl\n"
+ "`-- //test/starlark:ext2.bzl");
}
@Test
public void testLoadSymbolTypo() throws Exception {
scratch.file("test/starlark/ext1.bzl", "myvariable = 2");
scratch.file("test/starlark/BUILD", "load('//test/starlark:ext1.bzl', 'myvariables')");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test/starlark:test_target");
assertContainsEvent(
"file '//test/starlark:ext1.bzl' does not contain symbol 'myvariables' "
+ "(did you mean 'myvariable'?)");
}
@Test
public void testOutputsObjectOrphanExecutableReportError() throws Exception {
scratch.file(
"test/rule.bzl",
"""
def _impl(ctx):
o = ctx.outputs.executable
return [DefaultInfo(executable = o)]
my_rule = rule(_impl, executable = True)
""");
scratch.file(
"test/BUILD",
"""
load(':rule.bzl', 'my_rule')
my_rule(name = 'xxx')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:xxx");
assertContainsEvent("ERROR /workspace/test/BUILD:2:8: in my_rule rule //test:xxx: ");
assertContainsEvent("The following files have no generating action:");
assertContainsEvent("test/xxx");
}
@Test
public void testCustomExecutableUsed() throws Exception {
scratch.file(
"test/rule.bzl",
"""
def _impl(ctx):
o = ctx.actions.declare_file('x.sh')
ctx.actions.write(o, 'echo Stuff', is_executable = True)
return [DefaultInfo(executable = o)]
my_rule = rule(_impl, executable = True)
""");
scratch.file(
"test/BUILD",
"""
load(':rule.bzl', 'my_rule')
my_rule(name = 'xxx')
""");
ConfiguredTarget configuredTarget = getConfiguredTarget("//test:xxx");
Artifact executable = configuredTarget.getProvider(FilesToRunProvider.class).getExecutable();
assertThat(executable.getRootRelativePathString()).isEqualTo("test/x.sh");
}
@Test
public void testCustomAndDefaultExecutableReportsError() throws Exception {
scratch.file(
"test/rule.bzl",
"""
def _impl(ctx):
e = ctx.outputs.executable
o = ctx.actions.declare_file('x.sh')
ctx.actions.write(o, 'echo Stuff', is_executable = True)
return [DefaultInfo(executable = o)]
my_rule = rule(_impl, executable = True)
""");
scratch.file(
"test/BUILD",
"""
load(':rule.bzl', 'my_rule')
my_rule(name = 'xxx')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:xxx");
assertContainsEvent("ERROR /workspace/test/BUILD:2:8: in my_rule rule //test:xxx: ");
assertContainsEvent(
"/workspace/test/rule.bzl:5:23: The rule 'my_rule' both accesses "
+ "'ctx.outputs.executable' and provides a different executable 'test/x.sh'. "
+ "Do not use 'ctx.output.executable'.");
}
@Test
public void testCustomExecutableStrNoEffect() throws Exception {
scratch.file(
"test/rule.bzl",
"""
def _impl(ctx):
o = ctx.actions.declare_file('x.sh')
ctx.actions.write(o, 'echo Stuff', is_executable = True)
print(str(ctx.outputs))
return [DefaultInfo(executable = o)]
my_rule = rule(_impl, executable = True)
""");
scratch.file(
"test/BUILD",
"""
load(':rule.bzl', 'my_rule')
my_rule(name = 'xxx')
""");
ConfiguredTarget configuredTarget = getConfiguredTarget("//test:xxx");
Artifact executable = configuredTarget.getProvider(FilesToRunProvider.class).getExecutable();
assertThat(executable.getRootRelativePathString()).isEqualTo("test/x.sh");
}
@Test
public void testCustomExecutableDirNoEffect() throws Exception {
scratch.file(
"test/rule.bzl",
"""
def _impl(ctx):
o = ctx.actions.declare_file('x.sh')
ctx.actions.write(o, 'echo Stuff', is_executable = True)
print(dir(ctx.outputs))
return [DefaultInfo(executable = o)]
my_rule = rule(_impl, executable = True)
""");
scratch.file(
"test/BUILD",
"""
load(':rule.bzl', 'my_rule')
my_rule(name = 'xxx')
""");
ConfiguredTarget configuredTarget = getConfiguredTarget("//test:xxx");
Artifact executable = configuredTarget.getProvider(FilesToRunProvider.class).getExecutable();
assertThat(executable.getRootRelativePathString()).isEqualTo("test/x.sh");
}
@Test
public void testOutputsObjectInDifferentRuleInaccessible() throws Exception {
scratch.file(
"test/rule.bzl",
"""
PInfo = provider(fields = ['outputs'])
def _impl(ctx):
o = ctx.actions.declare_file('x.sh')
ctx.actions.write(o, 'echo Stuff', is_executable = True)
return [PInfo(outputs = ctx.outputs), DefaultInfo(executable = o)]
my_rule = rule(_impl, executable = True)
def _dep_impl(ctx):
o = ctx.attr.dep[PInfo].outputs.executable # this is line 8
pass
my_dep_rule = rule(_dep_impl, attrs = { 'dep' : attr.label() })
""");
scratch.file(
"test/BUILD",
"""
load(':rule.bzl', 'my_rule', 'my_dep_rule')
my_rule(name = 'xxx')
my_dep_rule(name = 'yyy', dep = ':xxx')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:yyy");
assertContainsEvent("ERROR /workspace/test/BUILD:3:12: in my_dep_rule rule //test:yyy: ");
assertContainsEvent("File \"/workspace/test/rule.bzl\", line 8, column 35, in _dep_impl");
assertContainsEvent("cannot access outputs of rule '//test:xxx' outside "
+ "of its own rule implementation function");
}
@Test
public void testOutputsObjectStringRepresentation() throws Exception {
scratch.file(
"test/rule.bzl",
"""
PInfo = provider(fields = ['outputs', 's'])
def _impl(ctx):
ctx.actions.write(ctx.outputs.executable, 'echo Stuff', is_executable = True)
ctx.actions.write(ctx.outputs.other, 'Other')
return [PInfo(outputs = ctx.outputs, s = str(ctx.outputs))]
my_rule = rule(_impl, executable = True, outputs = { 'other' : '%{name}.other' })
def _dep_impl(ctx):
return [PInfo(s = str(ctx.attr.dep[PInfo].outputs))]
my_dep_rule = rule(_dep_impl, attrs = { 'dep' : attr.label() })
""");
scratch.file(
"test/BUILD",
"""
load(':rule.bzl', 'my_rule', 'my_dep_rule')
my_rule(name = 'xxx')
my_dep_rule(name = 'yyy', dep = ':xxx')
""");
StarlarkProvider.Key pInfoKey =
new StarlarkProvider.Key(keyForBuild(Label.parseCanonical("//test:rule.bzl")), "PInfo");
ConfiguredTarget targetXXX = getConfiguredTarget("//test:xxx");
StructImpl structXXX = (StructImpl) targetXXX.get(pInfoKey);
assertThat(structXXX.getValue("s"))
.isEqualTo(
"ctx.outputs(executable = <generated file test/xxx>, "
+ "other = <generated file test/xxx.other>)");
ConfiguredTarget targetYYY = getConfiguredTarget("//test:yyy");
StructImpl structYYY = (StructImpl) targetYYY.get(pInfoKey);
assertThat(structYYY.getValue("s"))
.isEqualTo("ctx.outputs(for //test:xxx)");
}
@Test
public void testExecutableRuleWithNoExecutableReportsError() throws Exception {
scratch.file(
"test/rule.bzl",
"""
def _impl(ctx):
pass
my_rule = rule(_impl, executable = True)
""");
scratch.file(
"test/BUILD",
"""
load(':rule.bzl', 'my_rule')
my_rule(name = 'xxx')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:xxx");
assertContainsEvent("ERROR /workspace/test/BUILD:2:8: in my_rule rule //test:xxx: ");
assertContainsEvent("/rule.bzl:1:5: The rule 'my_rule' is executable. "
+ "It needs to create an executable File and pass it as the 'executable' "
+ "parameter to the DefaultInfo it returns.");
}
@Test
public void testExecutableFromDifferentRuleIsForbidden() throws Exception {
scratch.file(
"pkg/BUILD",
"""
sh_binary(name = 'tryme',
srcs = [':tryme.sh'],
visibility = ['//visibility:public'],
)
""");
scratch.file(
"src/rulez.bzl",
"""
def _impl(ctx):
return [DefaultInfo(executable = ctx.executable.runme,
files = depset([ctx.executable.runme]),
)]
r = rule(_impl,
executable = True,
attrs = {
'runme' : attr.label(executable = True, mandatory = True, cfg = 'exec'),
}
)
""");
scratch.file(
"src/BUILD",
"""
load(':rulez.bzl', 'r')
r(name = 'r_tools', runme = '//pkg:tryme')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//src:r_tools");
assertContainsEvent(
"/workspace/src/rulez.bzl:2:23: 'executable' provided by an executable"
+ " rule 'r' should be created by the same rule.");
}
@Test
public void testFileAndDirectory() throws Exception {
scratch.file(
"ext.bzl",
"""
def _extrule(ctx):
dir = ctx.actions.declare_directory('foo/bar/baz')
ctx.actions.run_shell(
outputs = [dir],
command = 'mkdir -p ' + dir.path + ' && echo wtf > ' + dir.path + '/wtf.txt')
extrule = rule(
_extrule,
outputs = {
'out': 'foo/bar/baz',
},
)
""");
scratch.file(
"BUILD", //
"load(':ext.bzl', 'extrule')",
"",
"extrule(",
" name = 'test'",
")");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//:test");
assertContainsEvent("ERROR /workspace/BUILD:3:8: in extrule rule //:test:");
assertContainsEvent("he following directories were also declared as files:");
assertContainsEvent("foo/bar/baz");
}
@Test
public void testEnvironmentConstraintsFromStarlarkRule() throws Exception {
scratch.file(
"buildenv/foo/BUILD",
"""
environment_group(name = 'env_group',
defaults = [':default'],
environments = ['default', 'other'])
environment(name = 'default')
environment(name = 'other')
""");
// The example Starlark rule explicitly provides the MyProvider provider as a regression test
// for a bug where a Starlark rule with unsatisfied constraints but explicit providers would
// result in Bazel throwing a null pointer exception.
scratch.file(
"test/starlark/extension.bzl",
"""
MyProvider = provider()
def _impl(ctx):
return [MyProvider(foo = 'bar')]
my_rule = rule(implementation = _impl,
attrs = { 'deps' : attr.label_list() },
provides = [MyProvider])
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'my_rule')
java_library(name = 'dep', srcs = ['a.java'], restricted_to = ['//buildenv/foo:other'])
my_rule(name='my', deps = [':dep'])
""");
reporter.removeHandler(failFastHandler);
assertThat(getConfiguredTarget("//test/starlark:my")).isNull();
assertContainsEvent(
"//test/starlark:dep doesn't support expected environment: //buildenv/foo:default");
}
@Test
public void testTestResultInfo() throws Exception {
scratch.file(
"test/extension.bzl",
"""
def custom_rule_impl(ctx):
return [AnalysisTestResultInfo(success = True, message = 'message contents')]
custom_rule = rule(implementation = custom_rule_impl)
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'custom_rule')
custom_rule(name = 'r')
""");
ConfiguredTarget target = getConfiguredTarget("//test:r");
AnalysisTestResultInfo info =
(AnalysisTestResultInfo) target.get(AnalysisTestResultInfo.STARLARK_CONSTRUCTOR.getKey());
assertThat(info.getSuccess()).isTrue();
assertThat(info.getMessage()).isEqualTo("message contents");
}
@Test
public void testAnalysisTestRuleWithActionRegistration() throws Exception {
scratch.file(
"test/extension.bzl",
"""
def custom_rule_impl(ctx):
out_file = ctx.actions.declare_file('file.txt')
ctx.actions.write(output=out_file, content='hi')
custom_test = rule(implementation = custom_rule_impl, analysis_test = True)
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'custom_test')
custom_test(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent(
"implementation function of a rule with analysis_test=true may not register actions");
}
@Test
public void testAnalysisTestRuleWithFlag() throws Exception {
scratch.file(
"test/extension.bzl",
"""
def custom_rule_impl(ctx):
return [AnalysisTestResultInfo(success = True, message = 'message contents')]
custom_test = rule(implementation = custom_rule_impl, analysis_test = True)
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'custom_test')
custom_test(name = 'r')
""");
ConfiguredTarget target = getConfiguredTarget("//test:r");
AnalysisTestResultInfo info =
(AnalysisTestResultInfo) target.get(AnalysisTestResultInfo.STARLARK_CONSTRUCTOR.getKey());
assertThat(info.getSuccess()).isTrue();
assertThat(info.getMessage()).isEqualTo("message contents");
// TODO(cparsons): Verify implicit action registration via AnalysisTestResultInfo.
}
@Test
public void testAnalysisTestTransitionOnAnalysisTest() throws Exception {
useConfiguration("--copt=yeehaw");
scratch.file(
"test/extension.bzl",
"""
MyInfo = provider()
MyDep = provider()
def outer_rule_impl(ctx):
return [MyInfo(copts = ctx.fragments.cpp.copts),
MyDep(info = ctx.attr.dep[0][MyInfo]),
AnalysisTestResultInfo(success = True, message = 'message contents')]
def inner_rule_impl(ctx):
return [MyInfo(copts = ctx.fragments.cpp.copts)]
my_transition = analysis_test_transition(
settings = {
'//command_line_option:copt' : ['cowabunga'] }
)
inner_rule = rule(implementation = inner_rule_impl,
fragments = ['cpp'])
outer_rule_test = rule(
implementation = outer_rule_impl,
fragments = ['cpp'],
analysis_test = True,
attrs = {
'dep': attr.label(cfg = my_transition),
})
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'inner_rule', 'outer_rule_test')
inner_rule(name = 'inner')
outer_rule_test(name = 'r', dep = ':inner')
""");
StarlarkProvider.Key myInfoKey =
new StarlarkProvider.Key(
keyForBuild(Label.parseCanonical("//test:extension.bzl")), "MyInfo");
StarlarkProvider.Key myDepKey =
new StarlarkProvider.Key(
keyForBuild(Label.parseCanonical("//test:extension.bzl")), "MyDep");
ConfiguredTarget outerTarget = getConfiguredTarget("//test:r");
StructImpl outerInfo = (StructImpl) outerTarget.get(myInfoKey);
StructImpl outerDepInfo = (StructImpl) outerTarget.get(myDepKey);
StructImpl innerInfo = (StructImpl) outerDepInfo.getValue("info");
assertThat((Sequence) outerInfo.getValue("copts")).containsExactly("yeehaw");
assertThat((Sequence) innerInfo.getValue("copts")).containsExactly("cowabunga");
}
// Regression test for b/168715549 which exposed a bug when an analysistest transition
// set an option to the same value it already had in the configuration, depended on a c++ rule,
// and was built at the same time as the same cc rule not under transition. Basically it's
// ensuring that analysistests are never treated as no-op transitions (which don't update the
// output directory).
@Test
public void testAnalysisTestTransitionOnAndWithCcRuleHasNoActionConflicts() throws Exception {
scratch.file(
"test/extension.bzl",
"""
test_transition = analysis_test_transition(
settings = {'//command_line_option:compilation_mode': 'fastbuild'}
)
def _test_impl(ctx):
return [AnalysisTestResultInfo(success = True, message = 'message contents')]
my_analysis_test = rule(
implementation = _test_impl,
attrs = {
'target_under_test': attr.label(cfg = test_transition),
},
test = True,
analysis_test = True
)
def _impl(ctx):
pass
parent = rule(
implementation = _impl,
attrs = {
'one': attr.label(),
'two': attr.label(),
},
)
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'my_analysis_test', 'parent')
cc_library(name = 'dep')
my_analysis_test(
name = 'test',
target_under_test = ':dep',
)
parent(
name = 'parent',
# Needs to be testonly to depend on a test rule.
testonly = True,
one = ':dep',
two = ':test',
)
""");
useConfiguration("--compilation_mode=fastbuild");
getConfiguredTarget("//test:parent");
}
@Test
public void testAnalysisTestTransitionOnNonAnalysisTest() throws Exception {
scratch.file(
"test/extension.bzl",
"""
def custom_rule_impl(ctx):
return []
my_transition = analysis_test_transition(
settings = {
'//command_line_option:foo' : 'yeehaw' }
)
custom_rule = rule(
implementation = custom_rule_impl,
attrs = {
'dep': attr.label(cfg = my_transition),
})
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'custom_rule')
custom_rule(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent(
"Only rule definitions with analysis_test=True may have attributes "
+ "with analysis_test_transition transitions");
}
@Test
public void testBuildSettingRule_flag() throws Exception {
scratch.file(
"test/rules.bzl",
"""
def _impl(ctx): return None
build_setting_rule = rule(_impl, build_setting = config.string(flag=True))
""");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'build_setting_rule')
build_setting_rule(name = 'my_build_setting', build_setting_default = 'default')
""");
BuildSetting buildSetting =
getTarget("//test:my_build_setting")
.getAssociatedRule()
.getRuleClassObject()
.getBuildSetting();
assertThat(buildSetting.getType()).isEqualTo(Type.STRING);
assertThat(buildSetting.isFlag()).isTrue();
}
@Test
public void testBuildSettingRule_settingByDefault() throws Exception {
scratch.file(
"test/rules.bzl",
"""
def _impl(ctx): return None
build_setting_rule = rule(_impl, build_setting = config.string())
""");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'build_setting_rule')
build_setting_rule(name = 'my_build_setting', build_setting_default = 'default')
""");
BuildSetting buildSetting =
getTarget("//test:my_build_setting")
.getAssociatedRule()
.getRuleClassObject()
.getBuildSetting();
assertThat(buildSetting.getType()).isEqualTo(Type.STRING);
assertThat(buildSetting.isFlag()).isFalse();
}
@Test
public void testBuildSettingRule_settingByFlagParameter() throws Exception {
scratch.file(
"test/rules.bzl",
"""
def _impl(ctx): return None
build_setting_rule = rule(_impl, build_setting = config.string(flag=False))
""");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'build_setting_rule')
build_setting_rule(name = 'my_build_setting', build_setting_default = 'default')
""");
BuildSetting buildSetting =
getTarget("//test:my_build_setting")
.getAssociatedRule()
.getRuleClassObject()
.getBuildSetting();
assertThat(buildSetting.getType()).isEqualTo(Type.STRING);
assertThat(buildSetting.isFlag()).isFalse();
}
@Test
public void testBuildSettingRule_noDefault() throws Exception {
scratch.file(
"test/rules.bzl",
"""
def _impl(ctx): return None
build_setting_rule = rule(_impl, build_setting = config.string())
""");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'build_setting_rule')
build_setting_rule(name = 'my_build_setting')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:my_build_setting");
assertContainsEvent("missing value for mandatory attribute "
+ "'build_setting_default' in 'build_setting_rule' rule");
}
@Test
public void testAnalysisTestCannotDependOnAnalysisTest() throws Exception {
scratch.file(
"test/extension.bzl",
"""
def analysis_test_rule_impl(ctx):
return [AnalysisTestResultInfo(success = True, message = 'message contents')]
def middle_rule_impl(ctx):
return []
def inner_rule_impl(ctx):
return [AnalysisTestResultInfo(success = True, message = 'message contents')]
my_transition = analysis_test_transition(
settings = {
'//command_line_option:foo' : 'yeehaw' }
)
inner_rule_test = rule(
implementation = analysis_test_rule_impl,
analysis_test = True,
)
middle_rule = rule(
implementation = middle_rule_impl,
attrs = {'dep': attr.label()}
)
outer_rule_test = rule(
implementation = analysis_test_rule_impl,
analysis_test = True,
attrs = {
'dep': attr.label(cfg = my_transition),
})
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'outer_rule_test', 'middle_rule', 'inner_rule_test')
outer_rule_test(name = 'outer', dep = ':middle')
middle_rule(name = 'middle', dep = ':inner')
inner_rule_test(name = 'inner')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:outer");
assertContainsEvent(
"analysis_test rule '//test:inner' cannot be transitively "
+ "depended on by another analysis test rule");
}
@Test
public void testAnalysisTestOverDepsLimit() throws Exception {
setupAnalysisTestDepsLimitTest(10, 12, true);
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent(
"analysis test rule exceeded maximum dependency edge count. " + "Count: 14. Limit is 10.");
}
@Test
public void testAnalysisTestUnderDepsLimit() throws Exception {
setupAnalysisTestDepsLimitTest(10, 8, true);
assertThat(getConfiguredTarget("//test:r")).isNotNull();
}
@Test
public void testAnalysisDepsLimitOnlyForTransition() throws Exception {
setupAnalysisTestDepsLimitTest(3, 10, false);
assertThat(getConfiguredTarget("//test:r")).isNotNull();
}
private void setupAnalysisTestDepsLimitTest(
int limit, int dependencyChainSize, boolean useTransition) throws Exception {
Preconditions.checkArgument(dependencyChainSize > 2);
useConfiguration("--analysis_testing_deps_limit=" + limit);
String transitionDefinition;
if (useTransition) {
transitionDefinition =
"my_transition = analysis_test_transition("
+ "settings = {'//command_line_option:foo' : 'yeehaw' })";
} else {
transitionDefinition = "my_transition = None";
}
scratch.file(
"test/extension.bzl",
"",
"def outer_rule_impl(ctx):",
" return [AnalysisTestResultInfo(success = True, message = 'message contents')]",
"def dep_rule_impl(ctx):",
" return []",
"",
transitionDefinition,
"",
"dep_rule = rule(",
" implementation = dep_rule_impl,",
" attrs = {'deps': attr.label_list()}",
")",
"outer_rule_test = rule(",
" implementation = outer_rule_impl,",
" fragments = ['java'],",
" analysis_test = True,",
" attrs = {",
" 'dep': attr.label(cfg = my_transition),",
" })");
// Create a chain of targets where 'innerN' depends on 'inner{N+1}' until the max length.
StringBuilder dependingRulesChain = new StringBuilder();
for (int i = 0; i < dependencyChainSize - 1; i++) {
// Each dep_rule target also depends on the leaf.
// The leaf should not be counted multiple times.
dependingRulesChain.append(
String.format(
"dep_rule(name = 'inner%s', deps = [':inner%s', ':inner%s'])\n",
i, (i + 1), dependencyChainSize));
}
dependingRulesChain.append(
String.format(
"dep_rule(name = 'inner%s', deps = [':inner%s'])\n",
dependencyChainSize - 1, dependencyChainSize));
dependingRulesChain.append(String.format("dep_rule(name = 'inner%s')", dependencyChainSize));
scratch.file(
"test/BUILD",
"load('//test:extension.bzl', 'dep_rule', 'outer_rule_test')",
"",
"outer_rule_test(name = 'r', dep = ':inner0')",
dependingRulesChain.toString());
}
@Test
public void testBadAllowlistTransition_onNonLabelAttr() throws Exception {
String allowlistAttributeName =
FunctionSplitTransitionAllowlist.ATTRIBUTE_NAME.replace("$", "_");
scratch.file(
"test/rules.bzl",
"def _impl(ctx):",
" return []",
"",
"my_rule = rule(_impl, attrs = {'"
+ allowlistAttributeName
+ "':attr.string(default = 'blah')})");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'my_rule')
my_rule(name = 'my_rule')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:my_rule");
assertContainsEvent("_allowlist_function_transition attribute must be a label type");
}
@Test
public void testBadAllowlistTransition_noDefaultValue() throws Exception {
String allowlistAttributeName =
FunctionSplitTransitionAllowlist.ATTRIBUTE_NAME.replace("$", "_");
scratch.file(
"test/rules.bzl",
"def _impl(ctx):",
" return []",
"",
"my_rule = rule(_impl, attrs = {'" + allowlistAttributeName + "':attr.label()})");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'my_rule')
my_rule(name = 'my_rule')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:my_rule");
assertContainsEvent("_allowlist_function_transition attribute must have a default value");
}
@Test
public void testBadAllowlistTransition_wrongDefaultValue() throws Exception {
String allowlistAttributeName =
FunctionSplitTransitionAllowlist.ATTRIBUTE_NAME.replace("$", "_");
scratch.file(
"test/rules.bzl",
"def _impl(ctx):",
" return []",
"",
"my_rule = rule(_impl, attrs = {'"
+ allowlistAttributeName
+ "':attr.label(default = Label('//test:my_other_rule'))})");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'my_rule')
my_rule(name = 'my_rule')
my_rule(name = 'my_other_rule')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:my_rule");
assertContainsEvent(
" _allowlist_function_transition attribute (//test:my_other_rule) does not have the"
+ " expected value");
}
@Test
public void testBadAnalysisTestRule_notAnalysisTest() throws Exception {
scratch.file(
"test/extension.bzl",
"""
def outer_rule_impl(ctx):
return [AnalysisTestResultInfo(success = True, message = 'message contents')]
def dep_rule_impl(ctx):
return []
my_transition = analysis_test_transition(
settings = {
'//command_line_option:foo' : 'yeehaw' }
)
dep_rule = rule(
implementation = dep_rule_impl,
attrs = {'dep': attr.label()}
)
outer_rule = rule(
implementation = outer_rule_impl,
# analysis_test = True,
fragments = ['java'],
attrs = {
'dep': attr.label(cfg = my_transition),
})
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'dep_rule', 'outer_rule')
outer_rule(name = 'r', dep = ':inner')
dep_rule(name = 'inner')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:outer_rule");
assertContainsEvent(
"Only rule definitions with analysis_test=True may have attributes with "
+ "analysis_test_transition transitions");
}
@Test
public void testBadAllowlistTransition_automaticAllowlist() throws Exception {
scratch.overwriteFile(
TestConstants.TOOLS_REPOSITORY_SCRATCH
+ "tools/allowlists/function_transition_allowlist/BUILD",
"package_group(",
" name = 'function_transition_allowlist',",
" packages = [",
// cross-repo allowlists don't work well
analysisMock.isThisBazel() ? "'public'," : "'//test/...',",
" ],",
")");
scratch.file(
"test/rules.bzl",
"""
def transition_func(settings, attr):
return {'t0': {'//command_line_option:cpu': 'k8'}}
my_transition = transition(implementation = transition_func, inputs = [],
outputs = ['//command_line_option:cpu'])
def _my_rule_impl(ctx):
return []
my_rule = rule(
implementation = _my_rule_impl,
attrs = {
'dep': attr.label(cfg = my_transition),
})
def _simple_rule_impl(ctx):
return []
simple_rule = rule(_simple_rule_impl)
""");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'my_rule', 'simple_rule')
my_rule(name = 'my_rule', dep = ':dep')
simple_rule(name = 'dep')
""");
getConfiguredTarget("//test:my_rule");
assertNoEvents();
}
@Test
public void testPrintFromTransitionImpl() throws Exception {
// This test not only asserts expected behavior, it also checks that Starlark transition caching
// doesn't suppress non-error transition events like print(). Also see
// transitionErrorAlwaysReported for the equivalent cache test for error events.
scratch.overwriteFile(
"tools/allowlists/function_transition_allowlist/BUILD",
"""
package_group(
name = 'function_transition_allowlist',
packages = [
'//test/...',
],
)
""");
scratch.file(
"test/rules.bzl",
"def _transition_impl(settings, attr):",
" print('printing from transition impl', settings['//command_line_option:foo'])",
" return {'//command_line_option:foo': " + "settings['//command_line_option:foo']+'meow'}",
"my_transition = transition(",
" implementation = _transition_impl,",
" inputs = ['//command_line_option:foo'],",
" outputs = ['//command_line_option:foo'],",
")",
"def _rule_impl(ctx):",
" return []",
"my_rule = rule(",
" implementation = _rule_impl,",
" cfg = my_transition,",
" attrs = {",
" 'dep': attr.label(cfg = my_transition),",
" }",
")");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'my_rule')
my_rule(name = 'test', dep = ':dep')
my_rule(name = 'dep')
""");
useConfiguration("--foo=meow");
getConfiguredTarget("//test");
// Test print from top level transition
assertContainsEvent("printing from transition impl meow");
// Test print from dep transition
assertContainsEvent("printing from transition impl meowmeow");
// Test print from (non-top level) rule class transition
assertContainsEvent("printing from transition impl meowmeowmeow");
}
@Test
public void transitionErrorAlwaysReported() throws Exception {
// For performance reasons, Starlark transition calls are cached (see
// ConfigurationResolver#starlarkTransitionCache). We have to be careful to preserve
// determinism, which includes consistent error reporting.
scratch.overwriteFile(
"tools/allowlists/function_transition_allowlist/BUILD",
"""
package_group(
name = 'function_transition_allowlist',
packages = [
'//test/...',
],
)
""");
scratch.file(
"test/rules.bzl",
"""
def _transition_impl(settings, attr):
fail('bad transition')
my_transition = transition(
implementation = _transition_impl,
inputs = [],
outputs = ['//command_line_option:bar'],
)
def _rule_impl(ctx):
return []
my_rule = rule(
implementation = _rule_impl,
cfg = my_transition,
)
""");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'my_rule')
my_rule(name = 'mytarget')
""");
reporter.removeHandler(failFastHandler);
// Try #1: this invokes the transition for the first time, which fails.
getConfiguredTarget("//test:mytarget");
assertContainsEvent("bad transition");
// Try #2: make sure the cache doesn't suppress the error message.
invalidatePackages();
skyframeExecutor.clearEmittedEventStateForTesting();
eventCollector.clear();
getConfiguredTarget("//test:mytarget");
assertContainsEvent("bad transition");
}
@Test
public void testTransitionEquality() throws Exception {
scratch.overwriteFile(
"tools/allowlists/function_transition_allowlist/BUILD",
"""
package_group(
name = 'function_transition_allowlist',
packages = [
'//test/...',
],
)
""");
scratch.file(
"test/rules.bzl",
"""
def _transition_impl(settings, attr):
return {'//command_line_option:foo': 'meow'}
my_transition = transition(
implementation = _transition_impl,
inputs = [],
outputs = ['//command_line_option:foo'],
)
def _rule_impl(ctx):
return []
my_rule = rule(
implementation = _rule_impl,
cfg = my_transition,
attrs = {
'dep': attr.label(cfg = my_transition),
}
)
""");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'my_rule')
my_rule(name = 'test', dep = ':dep')
my_rule(name = 'dep')
""");
useConfiguration("--foo=meow");
StarlarkDefinedConfigTransition ruleTransition =
((StarlarkAttributeTransitionProvider)
getTarget("//test")
.getAssociatedRule()
.getRuleClassObject()
.getAttributeByName("dep")
.getTransitionFactory())
.getStarlarkDefinedConfigTransitionForTesting();
StarlarkDefinedConfigTransition attrTransition =
((StarlarkRuleTransitionProvider)
getTarget("//test").getAssociatedRule().getRuleClassObject().getTransitionFactory())
.getStarlarkDefinedConfigTransitionForTesting();
assertThat(ruleTransition).isEqualTo(attrTransition);
assertThat(attrTransition).isEqualTo(ruleTransition);
assertThat(ruleTransition.hashCode()).isEqualTo(attrTransition.hashCode());
}
@Test
public void testBadAllowlistTransition_allowlistNoCfg() throws Exception {
scratch.overwriteFile(
"tools/allowlists/function_transition_allowlist/BUILD",
"""
package_group(
name = 'function_transition_allowlist',
packages = [
'//test/...',
],
)
""");
scratch.file(
"test/rules.bzl",
"""
def _my_rule_impl(ctx):
return []
my_rule = rule(
implementation = _my_rule_impl,
attrs = {
# 'dep': attr.label(cfg = my_transition),
'_allowlist_function_transition': attr.label(
default = '//tools/allowlists/function_transition_allowlist',
),
})
def _simple_rule_impl(ctx):
return []
simple_rule = rule(_simple_rule_impl)
""");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'my_rule', 'simple_rule')
my_rule(name = 'my_rule', dep = ':dep')
simple_rule(name = 'dep')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:my_rule");
assertContainsEvent("Unused function-based split transition allowlist");
}
@Test
public void testLicenseType() throws Exception {
// Note that attr.license is deprecated, and thus this test is subject to imminent removal.
// (See --incompatible_no_attr_license). However, this verifies that until the attribute
// is removed, values of the attribute are a valid Starlark type.
setBuildLanguageOptions("--incompatible_no_attr_license=false");
scratch.file(
"test/rule.bzl",
"""
def _my_rule_impl(ctx):
print(ctx.attr.my_license)
my_rule = rule(
implementation = _my_rule_impl,
attrs = {
'my_license': attr.license(),
})
""");
scratch.file(
"test/BUILD",
"""
load(':rule.bzl', 'my_rule')
my_rule(name = 'test')
""");
getConfiguredTarget("//test:test");
assertContainsEvent("[\"none\"]");
}
@Test
public void testNativeModuleFields() throws Exception {
// Check that
scratch.file(
"test/file.bzl",
"""
def valid(s):
if not s[0].isalpha(): return False
for c in s.elems():
if not (c.isalpha() or c == '_' or c.isdigit()): return False
return True
bad_names = [name for name in dir(native) if not valid(name)]
print('bad_names =', bad_names)
""");
scratch.file("test/BUILD", "load('//test:file.bzl', 'bad_names')");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:anything");
assertContainsEvent("bad_names = []");
}
@Test
public void testDisallowStructProviderSyntax() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=true");
scratch.file(
"test/starlark/extension.bzl",
"""
def custom_rule_impl(ctx):
return struct()
custom_rule = rule(implementation = custom_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'custom_rule')
custom_rule(name = 'cr')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test/starlark:cr");
assertContainsEvent(
"Returning a struct from a rule implementation function is deprecated and will be "
+ "removed soon. It may be temporarily re-enabled by setting "
+ "--incompatible_disallow_struct_provider_syntax=false");
}
@Test
public void testDisableTargetProviderFields() throws Exception {
setBuildLanguageOptions(
"--incompatible_disable_target_provider_fields=true",
"--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/rule.bzl",
"""
MyProvider = provider()
def _my_rule_impl(ctx):
print(ctx.attr.dep.my_info)
def _dep_rule_impl(ctx):
my_info = MyProvider(foo = 'bar')
return struct(my_info = my_info, providers = [my_info])
my_rule = rule(
implementation = _my_rule_impl,
attrs = {
'dep': attr.label(),
})
dep_rule = rule(implementation = _dep_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load(':rule.bzl', 'my_rule', 'dep_rule')
my_rule(name = 'r', dep = ':d')
dep_rule(name = 'd')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test/starlark:r");
assertContainsEvent(
"Accessing providers via the field syntax on structs is deprecated and will be removed "
+ "soon. It may be temporarily re-enabled by setting "
+ "--incompatible_disable_target_provider_fields=false. "
+ "See https://github.com/bazelbuild/bazel/issues/9014 for details.");
}
// Verifies that non-provider fields on the 'target' type are still available even with
// --incompatible_disable_target_provider_fields.
@Test
public void testDisableTargetProviderFields_actionsField() throws Exception {
setBuildLanguageOptions(
"--incompatible_disable_target_provider_fields=true",
"--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/rule.bzl",
"""
MyProvider = provider()
def _my_rule_impl(ctx):
print(ctx.attr.dep.actions)
def _dep_rule_impl(ctx):
my_info = MyProvider(foo = 'bar')
return struct(my_info = my_info, providers = [my_info])
my_rule = rule(
implementation = _my_rule_impl,
attrs = {
'dep': attr.label(),
})
dep_rule = rule(implementation = _dep_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load(':rule.bzl', 'my_rule', 'dep_rule')
my_rule(name = 'r', dep = ':d')
dep_rule(name = 'd')
""");
assertThat(getConfiguredTarget("//test/starlark:r")).isNotNull();
}
@Test
public void testDisableTargetProviderFields_disabled() throws Exception {
setBuildLanguageOptions(
"--incompatible_disable_target_provider_fields=false",
"--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/rule.bzl",
"""
MyProvider = provider()
def _my_rule_impl(ctx):
print(ctx.attr.dep.my_info)
def _dep_rule_impl(ctx):
my_info = MyProvider(foo = 'bar')
return struct(my_info = my_info, providers = [my_info])
my_rule = rule(
implementation = _my_rule_impl,
attrs = {
'dep': attr.label(),
})
dep_rule = rule(implementation = _dep_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load(':rule.bzl', 'my_rule', 'dep_rule')
my_rule(name = 'r', dep = ':d')
dep_rule(name = 'd')
""");
assertThat(getConfiguredTarget("//test/starlark:r")).isNotNull();
}
@Test
public void testNoRuleOutputsParam() throws Exception {
setBuildLanguageOptions("--incompatible_no_rule_outputs_param=true");
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _impl(ctx):
output = ctx.outputs.out
ctx.actions.write(output = output, content = 'hello')
my_rule = rule(
implementation = _impl,
outputs = {"out": "%{name}.txt"})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'my_rule')
my_rule(name = 'target')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test/starlark:target");
assertContainsEvent(
"parameter 'outputs' is deprecated and will be removed soon. It may be temporarily "
+ "re-enabled by setting --incompatible_no_rule_outputs_param=false");
}
@Test
public void testExecutableNotInRunfiles() throws Exception {
setBuildLanguageOptions("--incompatible_disallow_struct_provider_syntax=false");
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _my_rule_impl(ctx):
exe = ctx.actions.declare_file('exe')
ctx.actions.run_shell(outputs=[exe], command='touch exe')
runfile = ctx.actions.declare_file('rrr')
ctx.actions.run_shell(outputs=[runfile], command='touch rrr')
return struct(executable = exe, default_runfiles = ctx.runfiles(files = [runfile]))
my_rule = rule(implementation = _my_rule_impl, executable = True)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'my_rule')
my_rule(name = 'target')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test/starlark:target");
assertContainsEvent("exe not included in runfiles");
}
@Test
public void testCommandStringList() throws Exception {
setBuildLanguageOptions("--incompatible_run_shell_command_string");
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _my_rule_impl(ctx):
exe = ctx.actions.declare_file('exe')
ctx.actions.run_shell(outputs=[exe], command=['touch', 'exe'])
return []
my_rule = rule(implementation = _my_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'my_rule')
my_rule(name = 'target')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test/starlark:target");
assertContainsEvent("'command' must be of type string");
}
// Regression test for b/180124719.
@Test
public void actionsRunShell_argumentsNonSequenceValue_fails() throws Exception {
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _my_rule_impl(ctx):
exe = ctx.actions.declare_file('exe')
ctx.actions.run_shell(outputs=[exe], command='touch', arguments='exe')
return []
my_rule = rule(implementation = _my_rule_impl)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'my_rule')
my_rule(name = 'target')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test/starlark:target");
assertContainsEvent("'arguments' got value of type 'string', want 'sequence'");
}
/** Starlark integration test that forces inlining. */
@RunWith(JUnit4.class)
public static class StarlarkIntegrationTestsWithInlineCalls extends StarlarkIntegrationTest {
@Override
protected boolean usesInliningBzlLoadFunction() {
return true;
}
@Override
@Test
public void testRecursiveLoad() throws Exception {
scratch.file("test/starlark/ext2.bzl", "load('//test/starlark:ext1.bzl', 'symbol2')");
scratch.file("test/starlark/ext1.bzl", "load('//test/starlark:ext2.bzl', 'symbol1')");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:ext1.bzl', 'custom_rule')
genrule(name = 'rule')
""");
reporter.removeHandler(failFastHandler);
BuildFileContainsErrorsException e =
assertThrows(
BuildFileContainsErrorsException.class, () -> getTarget("//test/starlark:rule"));
assertThat(e)
.hasMessageThat()
.contains("Starlark load cycle: [//test/starlark:ext1.bzl, //test/starlark:ext2.bzl]");
}
@Override
@Test
public void testRecursiveLoad2() throws Exception {
scratch.file("test/starlark/ext1.bzl", "load('//test/starlark:ext2.bzl', 'symbol2')");
scratch.file("test/starlark/ext2.bzl", "load('//test/starlark:ext3.bzl', 'symbol3')");
scratch.file("test/starlark/ext3.bzl", "load('//test/starlark:ext4.bzl', 'symbol4')");
scratch.file("test/starlark/ext4.bzl", "load('//test/starlark:ext2.bzl', 'symbol2')");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:ext1.bzl', 'custom_rule')
genrule(name = 'rule')
""");
reporter.removeHandler(failFastHandler);
BuildFileContainsErrorsException e =
assertThrows(
BuildFileContainsErrorsException.class, () -> getTarget("//test/starlark:rule"));
assertThat(e)
.hasMessageThat()
.contains(
"Starlark load cycle: [//test/starlark:ext2.bzl, "
+ "//test/starlark:ext3.bzl, //test/starlark:ext4.bzl]");
}
}
@Test
public void testUnhashableInDictForbidden() throws Exception {
scratch.file("test/extension.bzl", "y = [] in {}");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'y')
cc_library(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent("unhashable type: 'list'");
}
@Test
public void testDictGetUnhashableForbidden() throws Exception {
scratch.file("test/extension.bzl", "y = {}.get({})");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'y')
cc_library(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent("unhashable type: 'dict'");
}
@Test
public void testUnknownStringEscapesForbidden() throws Exception {
scratch.file("test/extension.bzl", "y = \"\\z\"");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'y')
cc_library(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent("invalid escape sequence: \\z");
}
@Test
public void testSplitEmptySeparatorForbidden() throws Exception {
scratch.file("test/extension.bzl", "y = 'abc'.split('')");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'y')
cc_library(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent("Empty separator");
}
@Test
public void testIdentifierAssignmentFromOuterScope2() throws Exception {
scratch.file(
"test/extension.bzl",
"""
a = [1, 2, 3]
def f(): a[0] = 9
y = f()
fail() if a[0] != 9 else None
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'y')
cc_library(name = 'r')
""");
getConfiguredTarget("//test:r");
}
@Test
public void testIdentifierAssignmentFromOuterScopeForbidden() throws Exception {
scratch.file(
"test/extension.bzl",
"""
a = []
def f(): a += [1]
y = f()
""");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'y')
cc_library(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent("local variable 'a' is referenced before assignment");
}
@Test
public void testHashFrozenListForbidden() throws Exception {
scratch.file("test/extension.bzl", "y = []");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'y')
{y: 1}
cc_library(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent("unhashable type: 'list'");
}
@Test
public void testHashFrozenDeepMutableForbidden() throws Exception {
scratch.file("test/extension.bzl", "y = {}");
scratch.file(
"test/BUILD",
"""
load('//test:extension.bzl', 'y')
{('a', (y,), True): None}
cc_library(name = 'r')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test:r");
assertContainsEvent("unhashable type: 'dict'");
}
@Test
public void testNoOutputsError() throws Exception {
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _my_rule_impl(ctx):
ctx.actions.run_shell(outputs=[], command='foo')
my_rule = rule(implementation = _my_rule_impl, executable = True)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'my_rule')
my_rule(name = 'target')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test/starlark:target");
assertContainsEvent("param 'outputs' may not be empty");
}
@Test
public void testDeclareFileInvalidDirectory_withSibling() throws Exception {
scratch.file("test/dep/test_file.txt", "Test file");
scratch.file("test/dep/BUILD", "exports_files(['test_file.txt'])");
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _my_rule_impl(ctx):
exe = ctx.actions.declare_file('exe', sibling = ctx.file.dep)
ctx.actions.run_shell(outputs=[exe], command=['touch', 'exe'])
return []
my_rule = rule(implementation = _my_rule_impl,
attrs = {'dep': attr.label(allow_single_file = True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'my_rule')
my_rule(name = 'target', dep = '//test/dep:test_file.txt')
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//test/starlark:target");
assertContainsEvent(
"the output artifact 'test/dep/exe' is not under package directory "
+ "'test/starlark' for target '//test/starlark:target'");
}
@Test
public void testDeclareFileInvalidDirectory_noSibling() throws Exception {
scratch.file("test/dep/test_file.txt", "Test file");
scratch.file("test/dep/BUILD", "exports_files(['test_file.txt'])");
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _my_rule_impl(ctx):
exe = ctx.actions.declare_file('/foo/exe')
ctx.actions.run_shell(outputs=[exe], command=['touch', 'exe'])
return []
my_rule = rule(implementation = _my_rule_impl,
attrs = {'dep': attr.label(allow_single_file = True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'my_rule')
my_rule(name = 'target', dep = '//test/dep:test_file.txt')
""");
reporter.removeHandler(failFastHandler);
assertThat(getConfiguredTarget("//test/starlark:target")).isNull();
assertContainsEvent(
"the output artifact '/foo/exe' is not under package directory "
+ "'test/starlark' for target '//test/starlark:target'");
}
@Test
public void testDeclareDirectoryInvalidParent_withSibling() throws Exception {
scratch.file("test/dep/test_file.txt", "Test file");
scratch.file("test/dep/BUILD", "exports_files(['test_file.txt'])");
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _my_rule_impl(ctx):
exe = ctx.actions.declare_directory('/foo/exe', sibling = ctx.file.dep)
ctx.actions.run_shell(outputs=[exe], command=['touch', 'exe'])
return []
my_rule = rule(implementation = _my_rule_impl,
attrs = {'dep': attr.label(allow_single_file = True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'my_rule')
my_rule(name = 'target', dep = '//test/dep:test_file.txt')
""");
reporter.removeHandler(failFastHandler);
assertThat(getConfiguredTarget("//test/starlark:target")).isNull();
assertContainsEvent(
"the output directory '/foo/exe' is not under package directory "
+ "'test/starlark' for target '//test/starlark:target'");
}
@Test
public void testDeclareDirectoryInvalidParent_noSibling() throws Exception {
scratch.file("test/dep/test_file.txt", "Test file");
scratch.file("test/dep/BUILD", "exports_files(['test_file.txt'])");
scratch.file(
"test/starlark/test_rule.bzl",
"""
def _my_rule_impl(ctx):
exe = ctx.actions.declare_directory('/foo/exe')
ctx.actions.run_shell(outputs=[exe], command=['touch', 'exe'])
return []
my_rule = rule(implementation = _my_rule_impl,
attrs = {'dep': attr.label(allow_single_file = True)})
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:test_rule.bzl', 'my_rule')
my_rule(name = 'target', dep = '//test/dep:test_file.txt')
""");
reporter.removeHandler(failFastHandler);
assertThat(getConfiguredTarget("//test/starlark:target")).isNull();
assertContainsEvent(
"the output directory '/foo/exe' is not under package directory "
+ "'test/starlark' for target '//test/starlark:target'");
}
@Test
public void testCustomMallocUnset() throws Exception {
setUpCustomMallocRule();
ConfiguredTarget target = getConfiguredTarget("//test/starlark:malloc");
StructImpl provider = getMyInfoFromTarget(target);
Object customMalloc = provider.getValue("malloc");
assertThat(customMalloc).isInstanceOf(NoneType.class);
}
@Test
public void testCustomMallocSet() throws Exception {
setUpCustomMallocRule();
useConfiguration("--custom_malloc=//base:system_malloc");
ConfiguredTarget target = getConfiguredTarget("//test/starlark:malloc");
StructImpl provider = getMyInfoFromTarget(target);
RuleConfiguredTarget customMalloc = provider.getValue("malloc", RuleConfiguredTarget.class);
assertThat(customMalloc.getLabel().getCanonicalForm()).isEqualTo("//base:system_malloc");
}
private void setUpCustomMallocRule() throws IOException {
scratch.overwriteFile("base/BUILD", "cc_library(name = 'system_malloc')");
scratch.file(
"test/starlark/extension.bzl",
"""
load('//myinfo:myinfo.bzl', 'MyInfo')
def _malloc_rule_impl(ctx):
return [MyInfo(malloc = ctx.attr._custom_malloc)]
malloc_rule = rule(
implementation = _malloc_rule_impl,
attrs = {
'_custom_malloc': attr.label(
default = configuration_field(
fragment = 'cpp',
name = 'custom_malloc',
),
providers = [CcInfo],
),
}
)
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:extension.bzl', 'malloc_rule')
malloc_rule(name = 'malloc')
""");
}
// Test for an interesting situation for the inlining implementation's attempt to process
// subsequent load statements even when an earlier one has a missing Skyframe dep.
@Test
public void bzlFileWithErrorsLoadedThroughMultipleLoadPathsWithTheLatterOneHavingMissingDeps()
throws Exception {
scratch.file("test/starlark/error.bzl", "nope");
scratch.file("test/starlark/ok.bzl", "ok = 42");
scratch.file(
"test/starlark/loads-error-and-has-missing-deps.bzl",
"""
load('//test/starlark:error.bzl', 'doesntmatter')
load('//test/starlark:ok.bzl', 'ok')
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:error.bzl', 'doesntmatter')
load('//test/starlark:loads-error-and-has-missing-deps.bzl', 'doesntmatter')
""");
reporter.removeHandler(failFastHandler);
BuildFileContainsErrorsException e =
assertThrows(
BuildFileContainsErrorsException.class, () -> getTarget("//test/starlark:BUILD"));
assertThat(e)
.hasMessageThat()
.contains("compilation of module 'test/starlark/error.bzl' failed");
}
// Test for an interesting situation for the inlining implementation's attempt to process
// subsequent load statements even when an earlier one has a missing Skyframe dep.
@Test
public void bzlFileWithErrorsLoadedThroughMultipleLoadPathsWithTheLatterOneNotHavingMissingDeps()
throws Exception {
scratch.file("test/starlark/error.bzl", "nope");
scratch.file("test/starlark/ok.bzl", "ok = 42");
scratch.file(
"test/starlark/loads-error-and-has-missing-deps.bzl",
"""
load('//test/starlark:error.bzl', 'doesntmatter')
load('//test/starlark:ok.bzl', 'ok')
""");
scratch.file(
"test/starlark/BUILD",
"""
load('//test/starlark:ok.bzl', 'ok')
load('//test/starlark:error.bzl', 'doesntmatter')
load('//test/starlark:loads-error-and-has-missing-deps.bzl', 'doesntmatter')
""");
reporter.removeHandler(failFastHandler);
BuildFileContainsErrorsException e =
assertThrows(
BuildFileContainsErrorsException.class, () -> getTarget("//test/starlark:BUILD"));
assertThat(e)
.hasMessageThat()
.contains("compilation of module 'test/starlark/error.bzl' failed");
}
@Test
public void testStarlarkRulePropagatesRunEnvironmentProvider() throws Exception {
scratch.file(
"examples/rules.bzl",
"""
def my_rule_impl(ctx):
script = ctx.actions.declare_file(ctx.attr.name)
ctx.actions.write(script, '', is_executable = True)
run_env = RunEnvironmentInfo(
{'FIXED': 'fixed'},
['INHERITED']
)
return [
DefaultInfo(executable = script),
run_env,
]
my_rule = rule(
implementation = my_rule_impl,
attrs = {},
executable = True,
)
""");
scratch.file(
"examples/BUILD",
"""
load(':rules.bzl', 'my_rule')
my_rule(
name = 'my_target',
)
""");
ConfiguredTarget starlarkTarget = getConfiguredTarget("//examples:my_target");
RunEnvironmentInfo provider = starlarkTarget.get(RunEnvironmentInfo.PROVIDER);
assertThat(provider.getEnvironment()).containsExactly("FIXED", "fixed");
assertThat(provider.getInheritedEnvironment()).containsExactly("INHERITED");
}
@Test
public void nonExecutableStarlarkRuleReturningRunEnvironmentInfoErrors() throws Exception {
scratch.file(
"examples/rules.bzl",
"""
def my_rule_impl(ctx):
return [RunEnvironmentInfo()]
my_rule = rule(
implementation = my_rule_impl,
attrs = {},
)
""");
scratch.file(
"examples/BUILD",
"""
load(':rules.bzl', 'my_rule')
my_rule(
name = 'my_target',
)
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//examples:my_target");
assertContainsEvent(
"in my_rule rule //examples:my_target: Returning RunEnvironmentInfo from a non-executable,"
+ " non-test target has no effect",
ImmutableSet.of(EventKind.ERROR));
}
@Test
public void nonExecutableStarlarkRuleReturningTestEnvironmentProducesAWarning() throws Exception {
scratch.file(
"examples/rules.bzl",
"""
def my_rule_impl(ctx):
return [testing.TestEnvironment(environment = {})]
my_rule = rule(
implementation = my_rule_impl,
attrs = {},
)
""");
scratch.file(
"examples/BUILD",
"""
load(':rules.bzl', 'my_rule')
my_rule(
name = 'my_target',
)
""");
reporter.removeHandler(failFastHandler);
getConfiguredTarget("//examples:my_target");
assertContainsEvent(
"in my_rule rule //examples:my_target: Returning RunEnvironmentInfo from a non-executable,"
+ " non-test target has no effect",
ImmutableSet.of(EventKind.WARNING));
}
@Test
public void identicalPrintStatementsOnSameLineNotDeduplicated_buildFileLoop() throws Exception {
scratch.file("foo/BUILD", "[print('this is a print statement') for _ in range(2)]");
update("//foo:all", /*loadingPhaseThreads=*/ 1, /*doAnalysis=*/ false);
assertContainsEventWithFrequency("this is a print statement", 2);
}
@Test
public void identicalPrintStatementsOnSameLineNotDeduplicated_macroCalledFromMultipleBuildFiles()
throws Exception {
scratch.file("defs/BUILD");
scratch.file(
"defs/macro.bzl",
"""
def macro():
print('this is a print statement')
""");
scratch.file(
"foo/BUILD",
"""
load('//defs:macro.bzl', 'macro')
macro()
""");
scratch.file(
"bar/BUILD",
"""
load('//defs:macro.bzl', 'macro')
macro()
""");
update("//...", /*loadingPhaseThreads=*/ 1, /*doAnalysis=*/ false);
assertContainsEventWithFrequency("this is a print statement", 2);
}
@Test
public void identicalPrintStatementsOnSameLineNotDeduplicated_ruleImplementationFunction()
throws Exception {
scratch.file(
"foo/defs.bzl",
"""
def _my_rule_impl(ctx):
print('this is a print statement')
my_rule = rule(implementation = _my_rule_impl)
""");
scratch.file(
"foo/BUILD",
"""
load(':defs.bzl', 'my_rule')
my_rule(name = 'a')
my_rule(name = 'b')
""");
update("//foo:all", /*loadingPhaseThreads=*/ 1, /*doAnalysis=*/ true);
assertContainsEventWithFrequency("this is a print statement", 2);
}
@Test
public void topLevelAspectOnTargetWithNonIdempotentRuleTransition() throws Exception {
scratch.file(
"test/aspect.bzl",
"""
def _impl(target, ctx):
print('This aspect does nothing')
return struct()
MyAspect = aspect(implementation=_impl)
""");
scratch.overwriteFile(
"tools/allowlists/function_transition_allowlist/BUILD",
"""
package_group(
name = 'function_transition_allowlist',
packages = [
'//test/...',
],
)
""");
scratch.file(
"test/rules.bzl",
"def _transition_impl(settings, attr):",
" print('printing from transition impl', settings['//command_line_option:foo'])",
" return {'//command_line_option:foo': " + "settings['//command_line_option:foo']+'meow'}",
"my_transition = transition(",
" implementation = _transition_impl,",
" inputs = ['//command_line_option:foo'],",
" outputs = ['//command_line_option:foo'],",
")",
"def _rule_impl(ctx):",
" return []",
"my_rule = rule(",
" implementation = _rule_impl,",
" cfg = my_transition,",
" attrs = {",
" 'dep': attr.label(cfg = my_transition),",
" }",
")");
scratch.file(
"test/BUILD",
"""
load('//test:rules.bzl', 'my_rule')
my_rule(name = 'test', dep = ':dep')
my_rule(name = 'dep')
""");
useConfiguration("--foo=meow");
AnalysisResult analysisResult =
update(
ImmutableList.of("//test:test"),
ImmutableList.of("test/aspect.bzl%MyAspect"),
/* keepGoing= */ true,
/* loadingPhaseThreads= */ 1,
/* doAnalysis= */ true,
new EventBus());
assertThat(getOnlyElement(analysisResult.getTargetsToBuild()).getLabel().toString())
.isEqualTo("//test:test");
AspectKey aspectKey = getOnlyElement(analysisResult.getAspectsMap().keySet());
assertThat(aspectKey.getAspectClass().getName()).isEqualTo("//test:aspect.bzl%MyAspect");
assertThat(aspectKey.getLabel().toString()).isEqualTo("//test:test");
}
// Regression test for b/295156684.
@Test
public void testLabelConstructorFailsInBuildFile() throws Exception {
// The Label() constructor is not a predeclared symbol for BUILD files, but it can still be
// called if it's loaded from a .bzl that re-exports it. Test that this doesn't crash.
scratch.file(
"test/foo.bzl", //
"label_builtin = Label");
scratch.file(
"test/BUILD",
"""
load(':foo.bzl', 'label_builtin')
label_builtin(':something')
""");
reporter.removeHandler(failFastHandler);
getTarget("//test:BUILD");
assertContainsEvent(
"Label() can only be used during .bzl initialization (top-level evaluation)",
ImmutableSet.of(EventKind.ERROR));
}
}