| // Copyright 2014 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.skylark; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Iterables; |
| import com.google.devtools.build.lib.actions.ActionAnalysisMetadata; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.actions.CompositeRunfilesSupplier; |
| import com.google.devtools.build.lib.actions.RunfilesSupplier; |
| import com.google.devtools.build.lib.actions.util.ActionsTestUtil; |
| import com.google.devtools.build.lib.analysis.ConfiguredTarget; |
| import com.google.devtools.build.lib.analysis.Runfiles; |
| import com.google.devtools.build.lib.analysis.RunfilesProvider; |
| import com.google.devtools.build.lib.analysis.SkylarkProviders; |
| import com.google.devtools.build.lib.analysis.actions.FileWriteAction; |
| import com.google.devtools.build.lib.analysis.actions.SpawnAction; |
| import com.google.devtools.build.lib.analysis.actions.TemplateExpansionAction; |
| import com.google.devtools.build.lib.analysis.actions.TemplateExpansionAction.Substitution; |
| import com.google.devtools.build.lib.events.Event; |
| import com.google.devtools.build.lib.packages.SkylarkClassObject; |
| import com.google.devtools.build.lib.rules.SkylarkRuleContext; |
| import com.google.devtools.build.lib.skylark.util.SkylarkTestCase; |
| import com.google.devtools.build.lib.skylarkinterface.Param; |
| import com.google.devtools.build.lib.skylarkinterface.SkylarkSignature; |
| import com.google.devtools.build.lib.syntax.BuiltinFunction; |
| import com.google.devtools.build.lib.syntax.Environment; |
| import com.google.devtools.build.lib.syntax.EvalException; |
| import com.google.devtools.build.lib.syntax.EvalUtils; |
| import com.google.devtools.build.lib.syntax.Printer; |
| import com.google.devtools.build.lib.syntax.Runtime; |
| import com.google.devtools.build.lib.syntax.SkylarkList.MutableList; |
| import com.google.devtools.build.lib.syntax.SkylarkNestedSet; |
| import com.google.devtools.build.lib.testutil.MoreAsserts; |
| import com.google.devtools.build.lib.util.OsUtils; |
| import java.nio.charset.Charset; |
| import java.nio.charset.StandardCharsets; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.regex.Pattern; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests for SkylarkRuleImplementationFunctions. |
| */ |
| @RunWith(JUnit4.class) |
| public class SkylarkRuleImplementationFunctionsTest extends SkylarkTestCase { |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| @SkylarkSignature( |
| name = "mock", |
| documented = false, |
| parameters = { |
| @Param(name = "mandatory", doc = ""), |
| @Param(name = "optional", doc = "", defaultValue = "None"), |
| @Param(name = "mandatory_key", doc = "", positional = false, named = true), |
| @Param( |
| name = "optional_key", |
| doc = "", |
| defaultValue = "'x'", |
| positional = false, |
| named = true |
| ) |
| }, |
| useEnvironment = true |
| ) |
| private BuiltinFunction mockFunc; |
| |
| /** |
| * Used for {@link #testStackTraceWithoutOriginalMessage()} and {@link |
| * #testNoStackTraceOnInterrupt}. |
| */ |
| @SkylarkSignature(name = "throw", documented = false) |
| BuiltinFunction throwFunction; |
| |
| @Before |
| public final void createBuildFile() throws Exception { |
| scratch.file( |
| "foo/BUILD", |
| "genrule(name = 'foo',", |
| " cmd = 'dummy_cmd',", |
| " srcs = ['a.txt', 'b.img'],", |
| " tools = ['t.exe'],", |
| " outs = ['c.txt'])", |
| "genrule(name = 'bar',", |
| " cmd = 'dummy_cmd',", |
| " srcs = [':jl', ':gl'],", |
| " outs = ['d.txt'])", |
| "genrule(name = 'baz',", |
| " cmd = 'dummy_cmd',", |
| " outs = ['e.txt'])", |
| "java_library(name = 'jl',", |
| " srcs = ['a.java'])", |
| "genrule(name = 'gl',", |
| " cmd = 'touch $(OUTS)',", |
| " srcs = ['a.go'],", |
| " outs = [ 'gl.a', 'gl.gcgox', ],", |
| " output_to_bindir = 1,", |
| ")", |
| // The two below are used by testResolveCommand |
| "sh_binary(name = 'mytool',", |
| " srcs = ['mytool.sh'],", |
| " data = ['file1.dat', 'file2.dat'],", |
| ")", |
| "genrule(name = 'resolve_me',", |
| " cmd = 'aa',", |
| " tools = [':mytool', 't.exe'],", |
| " srcs = ['file3.dat', 'file4.dat'],", |
| " outs = ['r1.txt', 'r2.txt'],", |
| ")"); |
| } |
| |
| private void setupSkylarkFunction(String line) throws Exception { |
| mockFunc = |
| new BuiltinFunction("mock") { |
| @SuppressWarnings("unused") |
| public Object invoke( |
| Object mandatory, |
| Object optional, |
| Object mandatoryKey, |
| Object optionalKey, |
| Environment env) { |
| return EvalUtils.optionMap( |
| env, |
| "mandatory", |
| mandatory, |
| "optional", |
| optional, |
| "mandatory_key", |
| mandatoryKey, |
| "optional_key", |
| optionalKey); |
| } |
| }; |
| assertFalse(mockFunc.isConfigured()); |
| mockFunc.configure( |
| SkylarkRuleImplementationFunctionsTest.class |
| .getDeclaredField("mockFunc") |
| .getAnnotation(SkylarkSignature.class)); |
| update("mock", mockFunc); |
| eval(line); |
| } |
| |
| private void checkSkylarkFunctionError(String errorMsg, String line) throws Exception { |
| try { |
| setupSkylarkFunction(line); |
| fail(); |
| } catch (EvalException e) { |
| assertThat(e).hasMessage(errorMsg); |
| } |
| } |
| |
| private static final Function<Object, String> TO_STRING = |
| new Function<Object, String>() { |
| @Override |
| public String apply(Object input) { |
| return String.valueOf(input); |
| } |
| }; |
| |
| @Test |
| public void testSkylarkFunctionPosArgs() throws Exception { |
| setupSkylarkFunction("a = mock('a', 'b', mandatory_key='c')"); |
| Map<?, ?> params = (Map<?, ?>) lookup("a"); |
| assertEquals("a", params.get("mandatory")); |
| assertEquals("b", params.get("optional")); |
| assertEquals("c", params.get("mandatory_key")); |
| assertEquals("x", params.get("optional_key")); |
| } |
| |
| @Test |
| public void testSkylarkFunctionKwArgs() throws Exception { |
| setupSkylarkFunction("a = mock(optional='b', mandatory='a', mandatory_key='c')"); |
| Map<?, ?> params = (Map<?, ?>) lookup("a"); |
| assertEquals("a", params.get("mandatory")); |
| assertEquals("b", params.get("optional")); |
| assertEquals("c", params.get("mandatory_key")); |
| assertEquals("x", params.get("optional_key")); |
| } |
| |
| @Test |
| public void testSkylarkFunctionTooFewArguments() throws Exception { |
| checkSkylarkFunctionError( |
| "insufficient arguments received by mock(" |
| + "mandatory, optional = None, *, mandatory_key, optional_key = \"x\") " |
| + "(got 0, expected at least 1)", |
| "mock()"); |
| } |
| |
| @Test |
| public void testSkylarkFunctionTooManyArguments() throws Exception { |
| checkSkylarkFunctionError( |
| "too many (3) positional arguments in call to " |
| + "mock(mandatory, optional = None, *, mandatory_key, optional_key = \"x\")", |
| "mock('a', 'b', 'c')"); |
| } |
| |
| @Test |
| public void testSkylarkFunctionAmbiguousArguments() throws Exception { |
| checkSkylarkFunctionError( |
| "argument 'mandatory' passed both by position and by name " |
| + "in call to mock(mandatory, optional = None, *, mandatory_key, optional_key = \"x\")", |
| "mock('by position', mandatory='by_key', mandatory_key='c')"); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void testListComprehensionsWithNestedSet() throws Exception { |
| Object result = eval("[x + x for x in depset([1, 2, 3])]"); |
| assertThat((Iterable<Object>) result).containsExactly(2, 4, 6).inOrder(); |
| } |
| |
| @Test |
| public void testCreateSpawnActionCreatesSpawnAction() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| createTestSpawnAction(ruleContext); |
| ActionAnalysisMetadata action = |
| Iterables.getOnlyElement( |
| ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions()); |
| assertThat(action).isInstanceOf(SpawnAction.class); |
| } |
| |
| @Test |
| public void testCreateSpawnActionArgumentsWithCommand() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| createTestSpawnAction(ruleContext); |
| SpawnAction action = |
| (SpawnAction) |
| Iterables.getOnlyElement( |
| ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions()); |
| assertArtifactFilenames(action.getInputs(), "a.txt", "b.img"); |
| assertArtifactFilenames(action.getOutputs(), "a.txt", "b.img"); |
| MoreAsserts.assertContainsSublist( |
| action.getArguments(), "-c", "dummy_command", "", "--a", "--b"); |
| assertEquals("DummyMnemonic", action.getMnemonic()); |
| assertEquals("dummy_message", action.getProgressMessage()); |
| assertEquals(targetConfig.getLocalShellEnvironment(), action.getEnvironment()); |
| } |
| |
| @Test |
| public void testCreateSpawnActionArgumentsWithExecutable() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| evalRuleContextCode( |
| ruleContext, |
| "ruleContext.action(", |
| " inputs = ruleContext.files.srcs,", |
| " outputs = ruleContext.files.srcs,", |
| " arguments = ['--a','--b'],", |
| " executable = ruleContext.files.tools[0])"); |
| SpawnAction action = |
| (SpawnAction) |
| Iterables.getOnlyElement( |
| ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions()); |
| assertArtifactFilenames(action.getInputs(), "a.txt", "b.img", "t.exe"); |
| assertArtifactFilenames(action.getOutputs(), "a.txt", "b.img"); |
| MoreAsserts.assertContainsSublist(action.getArguments(), "foo/t.exe", "--a", "--b"); |
| } |
| |
| @Test |
| public void testCreateSpawnActionArgumentsBadExecutable() throws Exception { |
| checkErrorContains( |
| createRuleContext("//foo:foo"), |
| "expected file or PathFragment for executable but got string instead", |
| "ruleContext.action(", |
| " inputs = ruleContext.files.srcs,", |
| " outputs = ruleContext.files.srcs,", |
| " arguments = ['--a','--b'],", |
| " executable = 'xyz.exe')"); |
| } |
| |
| @Test |
| public void testCreateSpawnActionShellCommandList() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| evalRuleContextCode( |
| ruleContext, |
| "ruleContext.action(", |
| " inputs = ruleContext.files.srcs,", |
| " outputs = ruleContext.files.srcs,", |
| " mnemonic = 'DummyMnemonic',", |
| " command = ['dummy_command', '--arg1', '--arg2'],", |
| " progress_message = 'dummy_message')"); |
| SpawnAction action = |
| (SpawnAction) |
| Iterables.getOnlyElement( |
| ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions()); |
| assertThat(action.getArguments()) |
| .containsExactly("dummy_command", "--arg1", "--arg2") |
| .inOrder(); |
| } |
| |
| @Test |
| public void testCreateSpawnActionEnvAndExecInfo() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| evalRuleContextCode( |
| ruleContext, |
| "env = {'a' : 'b'}", |
| "ruleContext.action(", |
| " inputs = ruleContext.files.srcs,", |
| " outputs = ruleContext.files.srcs,", |
| " env = env,", |
| " execution_requirements = env,", |
| " mnemonic = 'DummyMnemonic',", |
| " command = 'dummy_command',", |
| " progress_message = 'dummy_message')"); |
| SpawnAction action = |
| (SpawnAction) |
| Iterables.getOnlyElement( |
| ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions()); |
| assertEquals(ImmutableMap.of("a", "b"), action.getEnvironment()); |
| assertEquals(ImmutableMap.of("a", "b"), action.getExecutionInfo()); |
| } |
| |
| @Test |
| public void testCreateSpawnActionUnknownParam() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| checkErrorContains( |
| ruleContext, |
| "unexpected keyword 'bad_param' in call to action(self: ctx, *, ", |
| "ruleContext.action(outputs=[], bad_param = 'some text')"); |
| } |
| |
| @Test |
| public void testCreateSpawnActionNoExecutable() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| checkErrorContains( |
| ruleContext, |
| "You must specify either 'command' or 'executable' argument", |
| "ruleContext.action(outputs=[])"); |
| } |
| |
| private Object createTestSpawnAction(SkylarkRuleContext ruleContext) throws Exception { |
| return evalRuleContextCode( |
| ruleContext, |
| "ruleContext.action(", |
| " inputs = ruleContext.files.srcs,", |
| " outputs = ruleContext.files.srcs,", |
| " arguments = ['--a','--b'],", |
| " mnemonic = 'DummyMnemonic',", |
| " command = 'dummy_command',", |
| " progress_message = 'dummy_message',", |
| " use_default_shell_env = True)"); |
| } |
| |
| @Test |
| public void testCreateSpawnActionBadGenericArg() throws Exception { |
| checkErrorContains( |
| createRuleContext("//foo:foo"), |
| "expected type 'File' for 'outputs' element but got type 'string' instead", |
| "l = ['a', 'b']", |
| "ruleContext.action(", |
| " outputs = l,", |
| " command = 'dummy_command')"); |
| } |
| |
| @Test |
| public void testCreateSpawnActionCommandsListTooShort() throws Exception { |
| checkErrorContains( |
| createRuleContext("//foo:foo"), |
| "'command' list has to be of size at least 3", |
| "ruleContext.action(", |
| " outputs = ruleContext.files.srcs,", |
| " command = ['dummy_command', '--arg'])"); |
| } |
| |
| @Test |
| public void testCreateFileAction() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| evalRuleContextCode( |
| ruleContext, |
| "ruleContext.file_action(", |
| " output = ruleContext.files.srcs[0],", |
| " content = 'hello world',", |
| " executable = False)"); |
| FileWriteAction action = |
| (FileWriteAction) |
| Iterables.getOnlyElement( |
| ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions()); |
| assertEquals("foo/a.txt", Iterables.getOnlyElement(action.getOutputs()).getExecPathString()); |
| assertEquals("hello world", action.getFileContents()); |
| assertFalse(action.makeExecutable()); |
| } |
| |
| @Test |
| public void testEmptyAction() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| |
| checkEmptyAction(ruleContext, "mnemonic = 'test'"); |
| checkEmptyAction(ruleContext, "mnemonic = 'test', inputs = ruleContext.files.srcs"); |
| |
| checkErrorContains( |
| ruleContext, |
| "missing mandatory named-only argument 'mnemonic' while calling empty_action", |
| "ruleContext.empty_action(inputs = ruleContext.files.srcs)"); |
| } |
| |
| private void checkEmptyAction(SkylarkRuleContext ruleContext, String namedArgs) throws Exception { |
| assertThat( |
| evalRuleContextCode( |
| ruleContext, String.format("ruleContext.empty_action(%s)", namedArgs))) |
| .isEqualTo(Runtime.NONE); |
| } |
| |
| @Test |
| public void testEmptyActionWithExtraAction() throws Exception { |
| scratch.file( |
| "test/empty.bzl", |
| "def _impl(ctx):", |
| " ctx.empty_action(", |
| " inputs = ctx.files.srcs,", |
| " mnemonic = 'EA',", |
| " )", |
| "empty_action_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " \"srcs\": attr.label_list(allow_files=True),", |
| " }", |
| ")"); |
| |
| scratch.file( |
| "test/BUILD", |
| "load('/test/empty', 'empty_action_rule')", |
| "empty_action_rule(name = 'my_empty_action',", |
| " srcs = ['foo.in', 'other_foo.in'])", |
| "action_listener(name = 'listener',", |
| " mnemonics = ['EA'],", |
| " extra_actions = [':extra'])", |
| "extra_action(name = 'extra',", |
| " cmd='')"); |
| |
| getPseudoActionViaExtraAction("//test:my_empty_action", "//test:listener"); |
| } |
| |
| @Test |
| public void testExpandLocation() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:bar"); |
| |
| // If there is only a single target, both "location" and "locations" should work |
| runExpansion(ruleContext, "location :jl", "[blaze]*-out/.*/bin/foo/libjl.jar"); |
| runExpansion(ruleContext, "locations :jl", "[blaze]*-out/.*/bin/foo/libjl.jar"); |
| |
| runExpansion(ruleContext, "location //foo:jl", "[blaze]*-out/.*/bin/foo/libjl.jar"); |
| |
| // Multiple targets and "location" should result in an error |
| checkReportedErrorStartsWith( |
| ruleContext, |
| "in genrule rule //foo:bar: label '//foo:gl' " |
| + "in $(location) expression expands to more than one file, please use $(locations " |
| + "//foo:gl) instead.", |
| "ruleContext.expand_location('$(location :gl)')"); |
| |
| // We have to use "locations" for multiple targets |
| runExpansion( |
| ruleContext, |
| "locations :gl", |
| "[blaze]*-out/.*/bin/foo/gl.a [blaze]*-out/.*/bin/foo/gl.gcgox"); |
| |
| // LocationExpander just returns the input string if there is no label |
| runExpansion(ruleContext, "location", "\\$\\(location\\)"); |
| |
| checkReportedErrorStartsWith( |
| ruleContext, |
| "in genrule rule //foo:bar: label '//foo:abc' in $(locations) expression " |
| + "is not a declared prerequisite of this rule", |
| "ruleContext.expand_location('$(locations :abc)')"); |
| } |
| |
| /** |
| * Invokes ctx.expand_location() with the given parameters and checks whether this led to the |
| * expected result |
| * @param ruleContext The rule context |
| * @param command Either "location" or "locations". This only matters when the label has multiple |
| * targets |
| * @param expectedPattern Regex pattern that matches the expected result |
| */ |
| private void runExpansion(SkylarkRuleContext ruleContext, String command, String expectedPattern) |
| throws Exception { |
| assertMatches( |
| "Expanded string", |
| expectedPattern, |
| (String) |
| evalRuleContextCode( |
| ruleContext, String.format("ruleContext.expand_location('$(%s)')", command))); |
| } |
| |
| private void assertMatches(String description, String expectedPattern, String computedValue) |
| throws Exception { |
| assertTrue( |
| Printer.format( |
| "%s %r did not match pattern '%s'", description, computedValue, expectedPattern), |
| Pattern.matches(expectedPattern, computedValue)); |
| } |
| |
| @Test |
| public void testResolveCommandMakeVariables() throws Exception { |
| evalRuleContextCode( |
| createRuleContext("//foo:resolve_me"), |
| "inputs, argv, manifests = ruleContext.resolve_command(", |
| " command='I got the $(HELLO) on a $(DAVE)', ", |
| " make_variables={'HELLO': 'World', 'DAVE': type('')})"); |
| @SuppressWarnings("unchecked") |
| List<String> argv = (List<String>) (List<?>) (MutableList) lookup("argv"); |
| assertThat(argv).hasSize(3); |
| assertMatches("argv[0]", "^.*/bash" + OsUtils.executableExtension() + "$", argv.get(0)); |
| assertThat(argv.get(1)).isEqualTo("-c"); |
| assertThat(argv.get(2)).isEqualTo("I got the World on a string"); |
| } |
| |
| @Test |
| public void testResolveCommandInputs() throws Exception { |
| evalRuleContextCode( |
| createRuleContext("//foo:resolve_me"), |
| "inputs, argv, input_manifests = ruleContext.resolve_command(", |
| " tools=ruleContext.attr.tools)"); |
| @SuppressWarnings("unchecked") |
| List<Artifact> inputs = (List<Artifact>) (List<?>) (MutableList) lookup("inputs"); |
| assertArtifactFilenames(inputs, "mytool.sh", "mytool", "foo_Smytool-runfiles", "t.exe"); |
| @SuppressWarnings("unchecked") |
| CompositeRunfilesSupplier runfilesSupplier = |
| new CompositeRunfilesSupplier((List<RunfilesSupplier>) lookup("input_manifests")); |
| assertThat(runfilesSupplier.getMappings()).hasSize(1); |
| } |
| |
| @Test |
| public void testResolveCommandExpandLocations() throws Exception { |
| evalRuleContextCode( |
| createRuleContext("//foo:resolve_me"), |
| "def foo():", // no for loops at top-level |
| " label_dict = {}", |
| " all = []", |
| " for dep in ruleContext.attr.srcs + ruleContext.attr.tools:", |
| " all.extend(list(dep.files))", |
| " label_dict[dep.label] = list(dep.files)", |
| " return ruleContext.resolve_command(", |
| " command='A$(locations //foo:mytool) B$(location //foo:file3.dat)',", |
| " attribute='cmd', expand_locations=True, label_dict=label_dict)", |
| "inputs, argv, manifests = foo()"); |
| @SuppressWarnings("unchecked") |
| List<String> argv = (List<String>) (List<?>) (MutableList) lookup("argv"); |
| assertThat(argv).hasSize(3); |
| assertMatches("argv[0]", "^.*/bash" + OsUtils.executableExtension() + "$", argv.get(0)); |
| assertThat(argv.get(1)).isEqualTo("-c"); |
| assertMatches("argv[2]", "A.*/mytool .*/mytool.sh B.*file3.dat", argv.get(2)); |
| } |
| |
| @Test |
| public void testResolveCommandExecutionRequirements() throws Exception { |
| // Tests that requires-darwin execution requirements result in the usage of /bin/bash. |
| evalRuleContextCode( |
| createRuleContext("//foo:resolve_me"), |
| "inputs, argv, manifests = ruleContext.resolve_command(", |
| " execution_requirements={'requires-darwin': ''})"); |
| @SuppressWarnings("unchecked") |
| List<String> argv = (List<String>) (List<?>) (MutableList) lookup("argv"); |
| assertMatches("argv[0]", "^/bin/bash$", argv.get(0)); |
| } |
| |
| @Test |
| public void testResolveCommandScript() throws Exception { |
| evalRuleContextCode( |
| createRuleContext("//foo:resolve_me"), |
| "def foo():", // no for loops at top-level |
| " s = 'a'", |
| " for i in range(1,17): s = s + s", // 2**17 > CommandHelper.maxCommandLength (=64000) |
| " return ruleContext.resolve_command(", |
| " command=s)", |
| "argv = foo()[1]"); |
| @SuppressWarnings("unchecked") |
| List<String> argv = (List<String>) (List<?>) (MutableList) lookup("argv"); |
| assertThat(argv).hasSize(2); |
| assertMatches("argv[0]", "^.*/bash" + OsUtils.executableExtension() + "$", argv.get(0)); |
| assertMatches("argv[1]", "^.*/resolve_me[.]script[.]sh$", argv.get(1)); |
| } |
| |
| @Test |
| public void testBadParamTypeErrorMessage() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| checkErrorContains( |
| ruleContext, |
| "method ctx.file_action(output: File, content: string, executable: bool) is not applicable " |
| + "for arguments (File, int, bool): 'content' is 'int', but should be 'string'", |
| "ruleContext.file_action(", |
| " output = ruleContext.files.srcs[0],", |
| " content = 1,", |
| " executable = False)"); |
| } |
| |
| @Test |
| public void testCreateTemplateAction() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| TemplateExpansionAction action = |
| (TemplateExpansionAction) |
| evalRuleContextCode( |
| ruleContext, |
| "ruleContext.template_action(", |
| " template = ruleContext.files.srcs[0],", |
| " output = ruleContext.files.srcs[1],", |
| " substitutions = {'a': 'b'},", |
| " executable = False)"); |
| assertEquals("foo/a.txt", Iterables.getOnlyElement(action.getInputs()).getExecPathString()); |
| assertEquals("foo/b.img", Iterables.getOnlyElement(action.getOutputs()).getExecPathString()); |
| assertEquals("a", Iterables.getOnlyElement(action.getSubstitutions()).getKey()); |
| assertEquals("b", Iterables.getOnlyElement(action.getSubstitutions()).getValue()); |
| assertFalse(action.makeExecutable()); |
| } |
| |
| /** |
| * Simulates the fact that the Parser currently uses Latin1 to read BUILD files, while users |
| * usually write those files using UTF-8 encoding. Currently, the string-valued 'substitutions' |
| * parameter of the template_action function contains a hack that assumes its input is a UTF-8 |
| * encoded string which has been ingested as Latin 1. The hack converts the string to its |
| * "correct" UTF-8 value. Once {@link com.google.devtools.build.lib.syntax.ParserInputSource#create(com.google.devtools.build.lib.vfs.Path)} |
| * parses files using UTF-8 and the hack for the substituations parameter is removed, this test |
| * will fail. |
| */ |
| @Test |
| public void testCreateTemplateActionWithWrongEncoding() throws Exception { |
| // The following array contains bytes that represent a string of length two when treated as |
| // UTF-8 and a string of length four when treated as ISO-8859-1 (a.k.a. Latin 1). |
| byte[] bytesToDecode = {(byte) 0xC2, (byte) 0xA2, (byte) 0xC2, (byte) 0xA2}; |
| Charset latin1 = StandardCharsets.ISO_8859_1; |
| Charset utf8 = StandardCharsets.UTF_8; |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| TemplateExpansionAction action = |
| (TemplateExpansionAction) |
| evalRuleContextCode( |
| ruleContext, |
| "ruleContext.template_action(", |
| " template = ruleContext.files.srcs[0],", |
| " output = ruleContext.files.srcs[1],", |
| " substitutions = {'a': '" + new String(bytesToDecode, latin1) + "'},", |
| " executable = False)"); |
| |
| List<Substitution> substitutions = action.getSubstitutions(); |
| assertThat(substitutions).hasSize(1); |
| assertThat(substitutions.get(0).getValue()).isEqualTo(new String(bytesToDecode, utf8)); |
| } |
| |
| @Test |
| public void testRunfilesAddFromDependencies() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:bar"); |
| Object result = |
| evalRuleContextCode(ruleContext, "ruleContext.runfiles(collect_default = True)"); |
| assertThat(ActionsTestUtil.baseArtifactNames(getRunfileArtifacts(result))) |
| .contains("libjl.jar"); |
| } |
| |
| @Test |
| public void testRunfilesBadListGenericType() throws Exception { |
| checkErrorContains( |
| "expected type 'File' for 'files' element but got type 'string' instead", |
| "ruleContext.runfiles(files = ['some string'])"); |
| } |
| |
| @Test |
| public void testRunfilesBadSetGenericType() throws Exception { |
| checkErrorContains( |
| "expected depset of Files or NoneType for 'transitive_files' while calling runfiles " |
| + "but got depset of ints instead: depset([1, 2, 3])", |
| "ruleContext.runfiles(transitive_files=depset([1, 2, 3]))"); |
| } |
| |
| @Test |
| public void testRunfilesBadMapGenericType() throws Exception { |
| checkErrorContains( |
| "expected type 'string' for 'symlinks' key " + "but got type 'int' instead", |
| "ruleContext.runfiles(symlinks = {123: ruleContext.files.srcs[0]})"); |
| checkErrorContains( |
| "expected type 'File' for 'symlinks' value " + "but got type 'int' instead", |
| "ruleContext.runfiles(symlinks = {'some string': 123})"); |
| checkErrorContains( |
| "expected type 'string' for 'root_symlinks' key " + "but got type 'int' instead", |
| "ruleContext.runfiles(root_symlinks = {123: ruleContext.files.srcs[0]})"); |
| checkErrorContains( |
| "expected type 'File' for 'root_symlinks' value " + "but got type 'int' instead", |
| "ruleContext.runfiles(root_symlinks = {'some string': 123})"); |
| } |
| |
| @Test |
| public void testRunfilesArtifactsFromArtifact() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| Object result = |
| evalRuleContextCode( |
| ruleContext, |
| "artifacts = ruleContext.files.tools", |
| "ruleContext.runfiles(files = artifacts)"); |
| assertThat(ActionsTestUtil.baseArtifactNames(getRunfileArtifacts(result))).contains("t.exe"); |
| } |
| |
| @Test |
| public void testRunfilesArtifactsFromIterableArtifacts() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| Object result = |
| evalRuleContextCode( |
| ruleContext, |
| "artifacts = ruleContext.files.srcs", |
| "ruleContext.runfiles(files = artifacts)"); |
| assertEquals( |
| ActionsTestUtil.baseArtifactNames(getRunfileArtifacts(result)), |
| ImmutableList.of("a.txt", "b.img")); |
| } |
| |
| @Test |
| public void testRunfilesArtifactsFromNestedSetArtifacts() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| Object result = |
| evalRuleContextCode( |
| ruleContext, |
| "ftb = depset() + ruleContext.files.srcs", |
| "ruleContext.runfiles(transitive_files = ftb)"); |
| assertEquals( |
| ActionsTestUtil.baseArtifactNames(getRunfileArtifacts(result)), |
| ImmutableList.of("a.txt", "b.img")); |
| } |
| |
| @Test |
| public void testRunfilesArtifactsFromDefaultAndFiles() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:bar"); |
| Object result = |
| evalRuleContextCode( |
| ruleContext, |
| "artifacts = ruleContext.files.srcs", |
| // It would be nice to write [DEFAULT] + artifacts, but artifacts |
| // is an ImmutableList and Skylark interprets it as a tuple. |
| "ruleContext.runfiles(collect_default = True, files = artifacts)"); |
| // From DEFAULT only libjl.jar comes, see testRunfilesAddFromDependencies(). |
| assertEquals( |
| ActionsTestUtil.baseArtifactNames(getRunfileArtifacts(result)), |
| ImmutableList.of("libjl.jar", "gl.a", "gl.gcgox")); |
| } |
| |
| @Test |
| public void testRunfilesArtifactsFromSymlink() throws Exception { |
| Object result = |
| evalRuleContextCode( |
| "artifacts = ruleContext.files.srcs", |
| "ruleContext.runfiles(symlinks = {'sym1': artifacts[0]})"); |
| assertEquals( |
| ActionsTestUtil.baseArtifactNames(getRunfileArtifacts(result)), ImmutableList.of("a.txt")); |
| } |
| |
| @Test |
| public void testRunfilesArtifactsFromRootSymlink() throws Exception { |
| Object result = |
| evalRuleContextCode( |
| "artifacts = ruleContext.files.srcs", |
| "ruleContext.runfiles(root_symlinks = {'sym1': artifacts[0]})"); |
| assertEquals( |
| ActionsTestUtil.baseArtifactNames(getRunfileArtifacts(result)), ImmutableList.of("a.txt")); |
| } |
| |
| @Test |
| public void testRunfilesSymlinkConflict() throws Exception { |
| // Two different artifacts mapped to same path in runfiles |
| Object result = |
| evalRuleContextCode( |
| "artifacts = ruleContext.files.srcs", |
| "prefix = ruleContext.workspace_name + '/' if ruleContext.workspace_name else ''", |
| "ruleContext.runfiles(", |
| "root_symlinks = {prefix + 'sym1': artifacts[0]},", |
| "symlinks = {'sym1': artifacts[1]})"); |
| Runfiles runfiles = (Runfiles) result; |
| reporter.removeHandler(failFastHandler); // So it doesn't throw exception |
| runfiles.getRunfilesInputs(reporter, null); |
| assertContainsEvent("ERROR <no location>: overwrote runfile"); |
| } |
| |
| private Iterable<Artifact> getRunfileArtifacts(Object runfiles) { |
| return ((Runfiles) runfiles).getAllArtifacts(); |
| } |
| |
| @Test |
| public void testRunfilesBadKeywordArguments() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| checkErrorContains( |
| ruleContext, |
| "unexpected keyword 'bad_keyword' in call to runfiles(self: ctx, ", |
| "ruleContext.runfiles(bad_keyword = '')"); |
| } |
| |
| @Test |
| public void testNsetContainsList() throws Exception { |
| checkErrorContains( |
| "depsets cannot contain items of type 'list'", "depset() + [ruleContext.files.srcs]"); |
| } |
| |
| @Test |
| public void testCmdJoinPaths() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| Object result = |
| evalRuleContextCode( |
| ruleContext, "f = depset(ruleContext.files.srcs)", "cmd_helper.join_paths(':', f)"); |
| assertEquals("foo/a.txt:foo/b.img", result); |
| } |
| |
| @Test |
| public void testStructPlusArtifactErrorMessage() throws Exception { |
| SkylarkRuleContext ruleContext = createRuleContext("//foo:foo"); |
| checkErrorContains( |
| ruleContext, |
| "unsupported operand type(s) for +: 'File' and 'struct'", |
| "ruleContext.files.tools[0] + struct(a = 1)"); |
| } |
| |
| @Test |
| public void testNoSuchProviderErrorMessage() throws Exception { |
| checkErrorContains( |
| createRuleContext("//foo:bar"), |
| "target (rule class of 'java_library') " + "doesn't have provider 'my_provider'.", |
| "ruleContext.attr.srcs[0].my_provider"); |
| } |
| |
| @Test |
| public void testFilesForRuleConfiguredTarget() throws Exception { |
| Object result = |
| evalRuleContextCode(createRuleContext("//foo:foo"), "ruleContext.attr.srcs[0].files"); |
| assertEquals( |
| "a.txt", ActionsTestUtil.baseNamesOf(((SkylarkNestedSet) result).getSet(Artifact.class))); |
| } |
| |
| @Test |
| public void testDefaultProvider() throws Exception { |
| scratch.file( |
| "test/foo.bzl", |
| "foo_provider = provider()", |
| "def _impl(ctx):", |
| " default = ctx.default_provider(", |
| " runfiles=ctx.runfiles(ctx.files.runs),", |
| " )", |
| " foo = foo_provider()", |
| " return [foo, default]", |
| "foo_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'runs': attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/bar.bzl", |
| "load(':foo.bzl', 'foo_provider')", |
| "def _impl(ctx):", |
| " dep = ctx.attr.deps[0]", |
| " provider = dep[ctx.default_provider]", // The goal is to test this object |
| " return struct(", // so we return it here |
| " default = provider,", |
| " )", |
| "bar_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'deps': attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':foo.bzl', 'foo_rule')", |
| "load(':bar.bzl', 'bar_rule')", |
| "foo_rule(name = 'dep_rule', runs = ['run.file', 'run2.file'])", |
| "bar_rule(name = 'my_rule', deps = [':dep_rule'])"); |
| ConfiguredTarget configuredTarget = getConfiguredTarget("//test:my_rule"); |
| Object provider = configuredTarget.getProvider(SkylarkProviders.class).getValue("default"); |
| assertThat(provider).isInstanceOf(SkylarkClassObject.class); |
| SkylarkClassObject defaultProvider = (SkylarkClassObject) provider; |
| assertThat((defaultProvider).getConstructor().getPrintableName()) |
| .isEqualTo("default_provider"); |
| |
| // Test .runfiles |
| Object runfilesProvider = defaultProvider.getValue("runfiles"); |
| assertThat(runfilesProvider).isInstanceOf(RunfilesProvider.class); |
| assertThat(Iterables.transform( |
| ((RunfilesProvider) runfilesProvider).getDefaultRunfiles().getAllArtifacts(), TO_STRING) |
| ).containsExactly("Artifact:[/workspace[source]]test/run.file", |
| "Artifact:[/workspace[source]]test/run2.file"); |
| } |
| |
| @Test |
| public void testDefaultProviderProvidedImplicitly() throws Exception { |
| scratch.file( |
| "test/foo.bzl", |
| "foo_provider = provider()", |
| "def _impl(ctx):", |
| " foo = foo_provider()", |
| " return [foo]", |
| "foo_rule = rule(", |
| " implementation = _impl,", |
| ")" |
| ); |
| scratch.file( |
| "test/bar.bzl", |
| "load(':foo.bzl', 'foo_provider')", |
| "def _impl(ctx):", |
| " dep = ctx.attr.deps[0]", |
| " provider = dep[ctx.default_provider]", // The goal is to test this object |
| " return struct(", // so we return it here |
| " default = provider,", |
| " )", |
| "bar_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'deps': attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':foo.bzl', 'foo_rule')", |
| "load(':bar.bzl', 'bar_rule')", |
| "foo_rule(name = 'dep_rule')", |
| "bar_rule(name = 'my_rule', deps = [':dep_rule'])"); |
| ConfiguredTarget configuredTarget = getConfiguredTarget("//test:my_rule"); |
| Object provider = configuredTarget.getProvider(SkylarkProviders.class).getValue("default"); |
| assertThat(provider).isInstanceOf(SkylarkClassObject.class); |
| SkylarkClassObject defaultProvider = (SkylarkClassObject) provider; |
| assertThat((defaultProvider).getConstructor().getPrintableName()) |
| .isEqualTo("default_provider"); |
| } |
| |
| @Test |
| public void testDefaultProviderUnknownFields() throws Exception { |
| scratch.file( |
| "test/foo.bzl", |
| "foo_provider = provider()", |
| "def _impl(ctx):", |
| " default = ctx.default_provider(", |
| " foo=ctx.runfiles(),", |
| " )", |
| " return [default]", |
| "foo_rule = rule(", |
| " implementation = _impl,", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':foo.bzl', 'foo_rule')", |
| "foo_rule(name = 'my_rule')" |
| ); |
| try { |
| getConfiguredTarget("//test:my_rule"); |
| fail(); |
| } catch (AssertionError expected) { |
| assertThat(expected.getMessage()).contains("Invalid key for default provider: foo"); |
| } |
| } |
| |
| @Test |
| public void testDeclaredProviders() throws Exception { |
| scratch.file( |
| "test/foo.bzl", |
| "foo_provider = provider()", |
| "foobar_provider = provider()", |
| "def _impl(ctx):", |
| " foo = foo_provider()", |
| " foobar = foobar_provider()", |
| " return [foo, foobar]", |
| "foo_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " \"srcs\": attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/bar.bzl", |
| "load(':foo.bzl', 'foo_provider')", |
| "def _impl(ctx):", |
| " dep = ctx.attr.deps[0]", |
| " provider = dep[foo_provider]", // The goal is to test this object |
| " return struct(proxy = provider)", // so we return it here |
| "bar_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'srcs': attr.label_list(allow_files=True),", |
| " 'deps': attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':foo.bzl', 'foo_rule')", |
| "load(':bar.bzl', 'bar_rule')", |
| "foo_rule(name = 'dep_rule')", |
| "bar_rule(name = 'my_rule', deps = [':dep_rule'])"); |
| ConfiguredTarget configuredTarget = getConfiguredTarget("//test:my_rule"); |
| Object provider = configuredTarget.getProvider(SkylarkProviders.class).getValue("proxy"); |
| assertThat(provider).isInstanceOf(SkylarkClassObject.class); |
| assertThat(((SkylarkClassObject) provider).getConstructor().getPrintableName()) |
| .isEqualTo("foo_provider"); |
| } |
| |
| @Test |
| public void testDeclaredProvidersAliasTarget() throws Exception { |
| scratch.file( |
| "test/foo.bzl", |
| "foo_provider = provider()", |
| "foobar_provider = provider()", |
| "def _impl(ctx):", |
| " foo = foo_provider()", |
| " foobar = foobar_provider()", |
| " return [foo, foobar]", |
| "foo_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " \"srcs\": attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/bar.bzl", |
| "load(':foo.bzl', 'foo_provider')", |
| "def _impl(ctx):", |
| " dep = ctx.attr.deps[0]", |
| " provider = dep[foo_provider]", // The goal is to test this object |
| " return struct(proxy = provider)", // so we return it here |
| "bar_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'srcs': attr.label_list(allow_files=True),", |
| " 'deps': attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':foo.bzl', 'foo_rule')", |
| "load(':bar.bzl', 'bar_rule')", |
| "foo_rule(name = 'foo_rule')", |
| "alias(name = 'dep_rule', actual=':foo_rule')", |
| "bar_rule(name = 'my_rule', deps = [':dep_rule'])"); |
| ConfiguredTarget configuredTarget = getConfiguredTarget("//test:my_rule"); |
| Object provider = configuredTarget.getProvider(SkylarkProviders.class).getValue("proxy"); |
| assertThat(provider).isInstanceOf(SkylarkClassObject.class); |
| assertThat(((SkylarkClassObject) provider).getConstructor().getPrintableName()) |
| .isEqualTo("foo_provider"); |
| } |
| |
| @Test |
| public void testDeclaredProvidersWrongKey() throws Exception { |
| scratch.file( |
| "test/foo.bzl", |
| "foo_provider = provider()", |
| "unused_provider = provider()", |
| "def _impl(ctx):", |
| " foo = foo_provider()", |
| " return [foo]", |
| "foo_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " \"srcs\": attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/bar.bzl", |
| "load(':foo.bzl', 'unused_provider')", |
| "def _impl(ctx):", |
| " dep = ctx.attr.deps[0]", |
| " provider = dep[unused_provider]", // Should throw an error here |
| "bar_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'srcs': attr.label_list(allow_files=True),", |
| " 'deps': attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':foo.bzl', 'foo_rule')", |
| "load(':bar.bzl', 'bar_rule')", |
| "foo_rule(name = 'dep_rule')", |
| "bar_rule(name = 'my_rule', deps = [':dep_rule'])"); |
| |
| try { |
| getConfiguredTarget("//test:my_rule"); |
| fail(); |
| } catch (AssertionError expected) { |
| assertThat(expected.getMessage()).contains("Object of type Target doesn't " |
| + "contain declared provider unused_provider"); |
| } |
| } |
| |
| @Test |
| public void testDeclaredProvidersInvalidKey() throws Exception { |
| scratch.file( |
| "test/foo.bzl", |
| "foo_provider = provider()", |
| "def _impl(ctx):", |
| " foo = foo_provider()", |
| " return [foo]", |
| "foo_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " \"srcs\": attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/bar.bzl", |
| "def _impl(ctx):", |
| " dep = ctx.attr.deps[0]", |
| " provider = dep['foo_provider']", // Should throw an error here |
| "bar_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'srcs': attr.label_list(allow_files=True),", |
| " 'deps': attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':foo.bzl', 'foo_rule')", |
| "load(':bar.bzl', 'bar_rule')", |
| "foo_rule(name = 'dep_rule')", |
| "bar_rule(name = 'my_rule', deps = [':dep_rule'])"); |
| |
| try { |
| getConfiguredTarget("//test:my_rule"); |
| fail(); |
| } catch (AssertionError expected) { |
| assertThat(expected.getMessage()).contains("Type Target only supports indexing " |
| + "by object constructors, got string instead"); |
| } |
| } |
| |
| @Test |
| public void testDeclaredProvidersFileTarget() throws Exception { |
| scratch.file( |
| "test/bar.bzl", |
| "unused_provider = provider()", |
| "def _impl(ctx):", |
| " src = ctx.attr.srcs[0]", |
| " provider = src[unused_provider]", // Should throw an error here |
| "bar_rule = rule(", |
| " implementation = _impl,", |
| " attrs = {", |
| " 'srcs': attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':bar.bzl', 'bar_rule')", |
| "bar_rule(name = 'my_rule', srcs = ['input.txt'])"); |
| |
| try { |
| getConfiguredTarget("//test:my_rule"); |
| fail(); |
| } catch (AssertionError expected) { |
| assertThat(expected.getMessage()).contains("Object of type Target doesn't " |
| + "contain declared provider unused_provider"); |
| } |
| } |
| |
| @Test |
| public void testDeclaredProvidersInOperator() throws Exception { |
| scratch.file( |
| "test/foo.bzl", |
| "foo_provider = provider()", |
| "bar_provider = provider()", |
| "", |
| "def _inner_impl(ctx):", |
| " foo = foo_provider()", |
| " return [foo]", |
| "inner_rule = rule(", |
| " implementation = _inner_impl,", |
| ")", |
| "", |
| "def _outer_impl(ctx):", |
| " dep = ctx.attr.deps[0]", |
| " return struct(", |
| " foo = (foo_provider in dep),", // Should be true |
| " bar = (bar_provider in dep),", // Should be false |
| " )", |
| "outer_rule = rule(", |
| " implementation = _outer_impl,", |
| " attrs = {", |
| " 'deps': attr.label_list(),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':foo.bzl', 'inner_rule', 'outer_rule')", |
| "inner_rule(name = 'dep_rule')", |
| "outer_rule(name = 'my_rule', deps = [':dep_rule'])"); |
| |
| ConfiguredTarget configuredTarget = getConfiguredTarget("//test:my_rule"); |
| Object foo = configuredTarget.getProvider(SkylarkProviders.class).getValue("foo"); |
| assertThat(foo).isInstanceOf(Boolean.class); |
| assertThat((Boolean) foo).isTrue(); |
| Object bar = configuredTarget.getProvider(SkylarkProviders.class).getValue("bar"); |
| assertThat(bar).isInstanceOf(Boolean.class); |
| assertThat((Boolean) bar).isFalse(); |
| } |
| |
| @Test |
| public void testDeclaredProvidersInOperatorInvalidKey() throws Exception { |
| scratch.file( |
| "test/foo.bzl", |
| "foo_provider = provider()", |
| "bar_provider = provider()", |
| "", |
| "def _inner_impl(ctx):", |
| " foo = foo_provider()", |
| " return [foo]", |
| "inner_rule = rule(", |
| " implementation = _inner_impl,", |
| ")", |
| "", |
| "def _outer_impl(ctx):", |
| " dep = ctx.attr.deps[0]", |
| " 'foo_provider' in dep", // Should throw an error here |
| "outer_rule = rule(", |
| " implementation = _outer_impl,", |
| " attrs = {", |
| " 'deps': attr.label_list(),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load(':foo.bzl', 'inner_rule', 'outer_rule')", |
| "inner_rule(name = 'dep_rule')", |
| "outer_rule(name = 'my_rule', deps = [':dep_rule'])"); |
| |
| try { |
| getConfiguredTarget("//test:my_rule"); |
| fail(); |
| } catch (AssertionError expected) { |
| assertThat(expected.getMessage()).contains("Type Target only supports querying by object " |
| + "constructors, got string instead"); |
| } |
| } |
| |
| @Test |
| public void testFilesForFileConfiguredTarget() throws Exception { |
| Object result = |
| evalRuleContextCode(createRuleContext("//foo:bar"), "ruleContext.attr.srcs[0].files"); |
| assertEquals( |
| "libjl.jar", |
| ActionsTestUtil.baseNamesOf(((SkylarkNestedSet) result).getSet(Artifact.class))); |
| } |
| |
| @Test |
| public void testCtxStructFieldsCustomErrorMessages() throws Exception { |
| checkErrorContains("No attribute 'foo' in attr.", "ruleContext.attr.foo"); |
| checkErrorContains("No attribute 'foo' in outputs.", "ruleContext.outputs.foo"); |
| checkErrorContains("No attribute 'foo' in files.", "ruleContext.files.foo"); |
| checkErrorContains("No attribute 'foo' in file.", "ruleContext.file.foo"); |
| checkErrorContains("No attribute 'foo' in executable.", "ruleContext.executable.foo"); |
| } |
| |
| @Test |
| public void testBinDirPath() throws Exception { |
| SkylarkRuleContext ctx = createRuleContext("//foo:bar"); |
| Object result = evalRuleContextCode(ctx, "ruleContext.bin_dir.path"); |
| assertEquals(ctx.getConfiguration().getBinFragment().getPathString(), result); |
| } |
| |
| @Test |
| public void testEmptyLabelListTypeAttrInCtx() throws Exception { |
| SkylarkRuleContext ctx = createRuleContext("//foo:baz"); |
| Object result = evalRuleContextCode(ctx, "ruleContext.attr.srcs"); |
| assertEquals(MutableList.EMPTY, result); |
| } |
| |
| @Test |
| public void testDefinedMakeVariable() throws Exception { |
| SkylarkRuleContext ctx = createRuleContext("//foo:baz"); |
| String java = (String) evalRuleContextCode(ctx, "ruleContext.var['JAVA']"); |
| // Get the last path segment |
| java = java.substring(java.lastIndexOf('/')); |
| assertEquals("/java" + OsUtils.executableExtension(), java); |
| } |
| |
| @Test |
| public void testCodeCoverageConfigurationAccess() throws Exception { |
| SkylarkRuleContext ctx = createRuleContext("//foo:baz"); |
| boolean coverage = |
| (Boolean) evalRuleContextCode(ctx, "ruleContext.configuration.coverage_enabled"); |
| assertEquals(coverage, ctx.getRuleContext().getConfiguration().isCodeCoverageEnabled()); |
| } |
| |
| @Override |
| protected void checkErrorContains(String errorMsg, String... lines) throws Exception { |
| super.checkErrorContains(createRuleContext("//foo:foo"), errorMsg, lines); |
| } |
| |
| /** |
| * Checks whether the given (invalid) statement leads to the expected error |
| */ |
| private void checkReportedErrorStartsWith( |
| SkylarkRuleContext ruleContext, String errorMsg, String... statements) throws Exception { |
| // If the component under test relies on Reporter and EventCollector for error handling, any |
| // error would lead to an asynchronous AssertionFailedError thanks to failFastHandler in |
| // FoundationTestCase. |
| // |
| // Consequently, we disable failFastHandler and check all events for the expected error message |
| reporter.removeHandler(failFastHandler); |
| |
| Object result = evalRuleContextCode(ruleContext, statements); |
| |
| String first = null; |
| int count = 0; |
| |
| try { |
| for (Event evt : eventCollector) { |
| if (evt.getMessage().startsWith(errorMsg)) { |
| return; |
| } |
| |
| ++count; |
| first = evt.getMessage(); |
| } |
| |
| if (count == 0) { |
| fail( |
| String.format( |
| "checkReportedErrorStartsWith(): There was no error; the result is '%s'", result)); |
| } else { |
| fail( |
| String.format( |
| "Found %d error(s), but none with the expected message '%s'. First error: '%s'", |
| count, errorMsg, first)); |
| } |
| } finally { |
| eventCollector.clear(); |
| } |
| } |
| |
| @Test |
| public void testStackTraceWithoutOriginalMessage() throws Exception { |
| setupThrowFunction( |
| new BuiltinFunction("throw") { |
| @SuppressWarnings("unused") |
| public Object invoke() throws Exception { |
| throw new ThereIsNoMessageException(); |
| } |
| }); |
| |
| checkEvalErrorContains( |
| "There Is No Message: SkylarkRuleImplementationFunctionsTest$3.invoke() in " |
| + "SkylarkRuleImplementationFunctionsTest.java:", |
| // This test skips the line number since it was not consistent across local tests and TAP. |
| "throw()"); |
| } |
| |
| @Test |
| public void testNoStackTraceOnInterrupt() throws Exception { |
| setupThrowFunction( |
| new BuiltinFunction("throw") { |
| @SuppressWarnings("unused") |
| public Object invoke() throws Exception { |
| throw new InterruptedException(); |
| } |
| }); |
| try { |
| eval("throw()"); |
| fail("Expected an InterruptedException"); |
| } catch (InterruptedException ex) { |
| // Expected. |
| } |
| } |
| |
| @Test |
| public void testGlobInImplicitOutputs() throws Exception { |
| scratch.file( |
| "test/glob.bzl", |
| "def _impl(ctx):", |
| " ctx.empty_action(", |
| " inputs = [],", |
| " )", |
| "def _foo():", |
| " return native.glob(['*'])", |
| "glob_rule = rule(", |
| " implementation = _impl,", |
| " outputs = _foo,", |
| ")"); |
| scratch.file( |
| "test/BUILD", |
| "load('/test/glob', 'glob_rule')", |
| "glob_rule(name = 'my_glob',", |
| " srcs = ['foo.bar', 'other_foo.bar'])"); |
| reporter.removeHandler(failFastHandler); |
| getConfiguredTarget("//test:my_glob"); |
| assertContainsEvent("native.glob() can only be called during the loading phase"); |
| } |
| |
| @Test |
| public void testRuleFromBzlFile() throws Exception { |
| scratch.file("test/rule.bzl", "def _impl(ctx): return", "foo = rule(implementation = _impl)"); |
| scratch.file("test/ext.bzl", "load('//test:rule.bzl', 'foo')", "a = 1", "foo(name = 'x')"); |
| scratch.file("test/BUILD", "load('//test:ext.bzl', 'a')"); |
| reporter.removeHandler(failFastHandler); |
| getConfiguredTarget("//test:x"); |
| assertContainsEvent("Cannot instantiate a rule when loading a .bzl file"); |
| } |
| |
| @Test |
| public void testImplicitOutputsFromGlob() throws Exception { |
| scratch.file( |
| "test/glob.bzl", |
| "def _impl(ctx):", |
| " outs = ctx.outputs", |
| " for i in ctx.attr.srcs:", |
| " o = getattr(outs, 'foo_' + i.label.name)", |
| " ctx.file_action(", |
| " output = o,", |
| " content = 'hoho')", |
| "", |
| "def _foo(srcs):", |
| " outs = {}", |
| " for i in srcs:", |
| " outs['foo_' + i.name] = i.name + '.out'", |
| " return outs", |
| "", |
| "glob_rule = rule(", |
| " attrs = {", |
| " 'srcs': attr.label_list(allow_files = True),", |
| " },", |
| " outputs = _foo,", |
| " implementation = _impl,", |
| ")"); |
| scratch.file("test/a.bar", "a"); |
| scratch.file("test/b.bar", "b"); |
| scratch.file( |
| "test/BUILD", |
| "load('/test/glob', 'glob_rule')", |
| "glob_rule(name = 'my_glob', srcs = glob(['*.bar']))"); |
| ConfiguredTarget ct = getConfiguredTarget("//test:my_glob"); |
| assertThat(ct).isNotNull(); |
| assertThat(getGeneratingAction(getBinArtifact("a.bar.out", ct))).isNotNull(); |
| assertThat(getGeneratingAction(getBinArtifact("b.bar.out", ct))).isNotNull(); |
| } |
| |
| @Test |
| public void testBuiltInFunctionAsRuleImplementation() throws Exception { |
| // Using built-in functions as rule implementations shouldn't cause runtime errors |
| scratch.file( |
| "test/rule.bzl", |
| "silly_rule = rule(", |
| " implementation = int,", |
| " attrs = {", |
| " \"srcs\": attr.label_list(allow_files=True),", |
| " }", |
| ")" |
| ); |
| scratch.file( |
| "test/BUILD", |
| "load('/test/rule', 'silly_rule')", |
| "silly_rule(name = 'silly')"); |
| thrown.handleAssertionErrors(); // Compatibility with JUnit 4.11 |
| thrown.expect(AssertionError.class); |
| thrown.expectMessage("//test:silly is not of type string or int or bool"); |
| getConfiguredTarget("//test:silly"); |
| } |
| |
| private void setupThrowFunction(BuiltinFunction func) throws Exception { |
| throwFunction = func; |
| throwFunction.configure( |
| getClass().getDeclaredField("throwFunction").getAnnotation(SkylarkSignature.class)); |
| update("throw", throwFunction); |
| } |
| |
| private static class ThereIsNoMessageException extends EvalException { |
| public ThereIsNoMessageException() { |
| super(null, "This is not the message you are looking for."); // Unused dummy message |
| } |
| |
| @Override |
| public String getMessage() { |
| return ""; |
| } |
| } |
| } |
