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// Copyright 2022 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.bazel.bzlmod;
import static com.google.common.collect.ImmutableList.toImmutableList;
import static com.google.common.truth.Truth.assertThat;
import static com.google.devtools.build.lib.bazel.bzlmod.BzlmodTestUtil.buildModule;
import static com.google.devtools.build.lib.bazel.bzlmod.BzlmodTestUtil.createModuleKey;
import static com.google.devtools.build.lib.bazel.bzlmod.BzlmodTestUtil.createRepositoryMapping;
import static org.junit.Assert.fail;
import com.google.common.base.Suppliers;
import com.google.common.collect.ImmutableBiMap;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.actions.FileValue;
import com.google.devtools.build.lib.analysis.BlazeDirectories;
import com.google.devtools.build.lib.analysis.ServerDirectories;
import com.google.devtools.build.lib.analysis.util.AnalysisMock;
import com.google.devtools.build.lib.bazel.repository.RepositoryOptions.BazelCompatibilityMode;
import com.google.devtools.build.lib.bazel.repository.RepositoryOptions.CheckDirectDepsMode;
import com.google.devtools.build.lib.bazel.repository.RepositoryOptions.LockfileMode;
import com.google.devtools.build.lib.clock.BlazeClock;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.cmdline.RepositoryName;
import com.google.devtools.build.lib.packages.semantics.BuildLanguageOptions;
import com.google.devtools.build.lib.pkgcache.PathPackageLocator;
import com.google.devtools.build.lib.skyframe.BazelSkyframeExecutorConstants;
import com.google.devtools.build.lib.skyframe.ClientEnvironmentFunction;
import com.google.devtools.build.lib.skyframe.ExternalFilesHelper;
import com.google.devtools.build.lib.skyframe.ExternalFilesHelper.ExternalFileAction;
import com.google.devtools.build.lib.skyframe.FileFunction;
import com.google.devtools.build.lib.skyframe.FileStateFunction;
import com.google.devtools.build.lib.skyframe.PrecomputedFunction;
import com.google.devtools.build.lib.skyframe.PrecomputedValue;
import com.google.devtools.build.lib.skyframe.SkyFunctions;
import com.google.devtools.build.lib.testutil.FoundationTestCase;
import com.google.devtools.build.lib.testutil.TestRuleClassProvider;
import com.google.devtools.build.lib.util.io.TimestampGranularityMonitor;
import com.google.devtools.build.lib.vfs.FileStateKey;
import com.google.devtools.build.lib.vfs.Root;
import com.google.devtools.build.lib.vfs.SyscallCache;
import com.google.devtools.build.skyframe.EvaluationContext;
import com.google.devtools.build.skyframe.EvaluationResult;
import com.google.devtools.build.skyframe.InMemoryMemoizingEvaluator;
import com.google.devtools.build.skyframe.MemoizingEvaluator;
import com.google.devtools.build.skyframe.RecordingDifferencer;
import com.google.devtools.build.skyframe.SequencedRecordingDifferencer;
import com.google.devtools.build.skyframe.SkyFunction;
import com.google.devtools.build.skyframe.SkyFunctionName;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.util.Optional;
import java.util.concurrent.atomic.AtomicReference;
import javax.annotation.Nullable;
import net.starlark.java.eval.StarlarkSemantics;
import net.starlark.java.syntax.Location;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link BazelDepGraphFunction}. */
@RunWith(JUnit4.class)
public class BazelDepGraphFunctionTest extends FoundationTestCase {
private MemoizingEvaluator evaluator;
private EvaluationContext evaluationContext;
private BazelModuleResolutionFunctionMock resolutionFunctionMock;
@Before
public void setup() throws Exception {
RecordingDifferencer differencer = new SequencedRecordingDifferencer();
evaluationContext =
EvaluationContext.newBuilder().setParallelism(8).setEventHandler(reporter).build();
AtomicReference<PathPackageLocator> packageLocator =
new AtomicReference<>(
new PathPackageLocator(
outputBase,
ImmutableList.of(Root.fromPath(rootDirectory)),
BazelSkyframeExecutorConstants.BUILD_FILES_BY_PRIORITY));
BlazeDirectories directories =
new BlazeDirectories(
new ServerDirectories(rootDirectory, outputBase, rootDirectory),
rootDirectory,
/* defaultSystemJavabase= */ null,
AnalysisMock.get().getProductName());
ExternalFilesHelper externalFilesHelper =
ExternalFilesHelper.createForTesting(
packageLocator,
ExternalFileAction.DEPEND_ON_EXTERNAL_PKG_FOR_EXTERNAL_REPO_PATHS,
directories);
resolutionFunctionMock = new BazelModuleResolutionFunctionMock();
evaluator =
new InMemoryMemoizingEvaluator(
ImmutableMap.<SkyFunctionName, SkyFunction>builder()
.put(FileValue.FILE, new FileFunction(packageLocator, directories))
.put(
FileStateKey.FILE_STATE,
new FileStateFunction(
Suppliers.ofInstance(
new TimestampGranularityMonitor(BlazeClock.instance())),
SyscallCache.NO_CACHE,
externalFilesHelper))
.put(
SkyFunctions.MODULE_FILE,
new ModuleFileFunction(
TestRuleClassProvider.getRuleClassProvider().getBazelStarlarkEnvironment(),
rootDirectory,
ImmutableMap.of()))
.put(SkyFunctions.PRECOMPUTED, new PrecomputedFunction())
.put(SkyFunctions.BAZEL_LOCK_FILE, new BazelLockFileFunction(rootDirectory))
.put(SkyFunctions.BAZEL_DEP_GRAPH, new BazelDepGraphFunction())
.put(SkyFunctions.BAZEL_MODULE_RESOLUTION, resolutionFunctionMock)
.put(
SkyFunctions.REGISTRY,
new RegistryFunction(new FakeRegistry.Factory(), directories.getWorkspace()))
.put(SkyFunctions.REPO_SPEC, new RepoSpecFunction())
.put(SkyFunctions.YANKED_VERSIONS, new YankedVersionsFunction())
.put(
SkyFunctions.MODULE_EXTENSION_REPO_MAPPING_ENTRIES,
new ModuleExtensionRepoMappingEntriesFunction())
.put(
SkyFunctions.CLIENT_ENVIRONMENT_VARIABLE,
new ClientEnvironmentFunction(
new AtomicReference<>(ImmutableMap.of("BZLMOD_ALLOW_YANKED_VERSIONS", ""))))
.buildOrThrow(),
differencer);
PrecomputedValue.STARLARK_SEMANTICS.set(
differencer,
StarlarkSemantics.builder().setBool(BuildLanguageOptions.ENABLE_BZLMOD, true).build());
ModuleFileFunction.IGNORE_DEV_DEPS.set(differencer, false);
ModuleFileFunction.REGISTRIES.set(differencer, ImmutableSet.of());
ModuleFileFunction.MODULE_OVERRIDES.set(differencer, ImmutableMap.of());
BazelModuleResolutionFunction.CHECK_DIRECT_DEPENDENCIES.set(
differencer, CheckDirectDepsMode.OFF);
BazelModuleResolutionFunction.BAZEL_COMPATIBILITY_MODE.set(
differencer, BazelCompatibilityMode.ERROR);
BazelLockFileFunction.LOCKFILE_MODE.set(differencer, LockfileMode.UPDATE);
YankedVersionsUtil.ALLOWED_YANKED_VERSIONS.set(differencer, ImmutableList.of());
}
@Test
public void createValue_basic() throws Exception {
// Root depends on dep@1.0 and dep@2.0 at the same time with a multiple-version override.
// Root also depends on rules_cc as a normal dep.
// dep@1.0 depends on rules_java, which is overridden by a non-registry override (see below).
ImmutableMap<ModuleKey, Module> depGraph =
ImmutableMap.<ModuleKey, Module>builder()
.put(
ModuleKey.ROOT,
buildModule("my_root", "1.0")
.setKey(ModuleKey.ROOT)
.addDep("my_dep_1", createModuleKey("dep", "1.0"))
.addDep("my_dep_2", createModuleKey("dep", "2.0"))
.addDep("rules_cc", createModuleKey("rules_cc", "1.0"))
.build())
.put(
createModuleKey("dep", "1.0"),
buildModule("dep", "1.0")
.addDep("rules_java", createModuleKey("rules_java", ""))
.build())
.put(createModuleKey("dep", "2.0"), buildModule("dep", "2.0").build())
.put(createModuleKey("rules_cc", "1.0"), buildModule("rules_cc", "1.0").build())
.put(
createModuleKey("rules_java", ""),
buildModule("rules_java", "1.0").setKey(createModuleKey("rules_java", "")).build())
.buildOrThrow();
resolutionFunctionMock.setDepGraph(depGraph);
EvaluationResult<BazelDepGraphValue> result =
evaluator.evaluate(ImmutableList.of(BazelDepGraphValue.KEY), evaluationContext);
if (result.hasError()) {
fail(result.getError().toString());
}
BazelDepGraphValue value = result.get(BazelDepGraphValue.KEY);
assertThat(value.getCanonicalRepoNameLookup())
.containsExactly(
RepositoryName.MAIN,
ModuleKey.ROOT,
RepositoryName.create("dep~v1.0"),
createModuleKey("dep", "1.0"),
RepositoryName.create("dep~v2.0"),
createModuleKey("dep", "2.0"),
RepositoryName.create("rules_cc~"),
createModuleKey("rules_cc", "1.0"),
RepositoryName.create("rules_java~"),
createModuleKey("rules_java", ""));
assertThat(value.getAbridgedModules())
.containsExactlyElementsIn(
depGraph.values().stream().map(AbridgedModule::from).collect(toImmutableList()));
}
private static ModuleExtensionUsage createModuleExtensionUsage(
String bzlFile, String name, String... imports) {
ImmutableBiMap.Builder<String, String> importsBuilder = ImmutableBiMap.builder();
for (int i = 0; i < imports.length; i += 2) {
importsBuilder.put(imports[i], imports[i + 1]);
}
return ModuleExtensionUsage.builder()
.setExtensionBzlFile(bzlFile)
.setExtensionName(name)
.setIsolationKey(Optional.empty())
.addProxy(
ModuleExtensionUsage.Proxy.builder()
.setDevDependency(false)
.setLocation(Location.BUILTIN)
.setImports(importsBuilder.buildOrThrow())
.build())
.setUsingModule(ModuleKey.ROOT)
.build();
}
@Test
public void createValue_moduleExtensions() throws Exception {
ModuleKey rjeKey = createModuleKey("rules_jvm_external", "1.0");
ModuleKey rpyKey = createModuleKey("rules_python", "2.0");
Module root =
buildModule("root", "1.0")
.setKey(ModuleKey.ROOT)
.addDep("rje", rjeKey)
.addDep("rpy", rpyKey)
.addExtensionUsage(
createModuleExtensionUsage("@rje//:defs.bzl", "maven", "av", "autovalue"))
.addExtensionUsage(
createModuleExtensionUsage("@rpy//:defs.bzl", "pip", "numpy", "numpy"))
.build();
ModuleKey depKey = createModuleKey("dep", "2.0");
Module dep =
buildModule("dep", "2.0")
.setKey(depKey)
.addDep("rules_python", rpyKey)
.addExtensionUsage(
createModuleExtensionUsage("@rules_python//:defs.bzl", "pip", "np", "numpy"))
.addExtensionUsage(
createModuleExtensionUsage("//:defs.bzl", "myext", "oneext", "myext"))
.addExtensionUsage(
createModuleExtensionUsage("//incredible:conflict.bzl", "myext", "twoext", "myext"))
.build();
ImmutableMap<ModuleKey, Module> depGraph =
ImmutableMap.of(
ModuleKey.ROOT,
root,
depKey,
dep,
rjeKey,
buildModule("rules_jvm_external", "1.0").setKey(rjeKey).build(),
rpyKey,
buildModule("rules_python", "2.0").setKey(rpyKey).build());
ModuleExtensionId maven =
ModuleExtensionId.create(
Label.parseCanonical("@@rules_jvm_external~//:defs.bzl"), "maven", Optional.empty());
ModuleExtensionId pip =
ModuleExtensionId.create(
Label.parseCanonical("@@rules_python~//:defs.bzl"), "pip", Optional.empty());
ModuleExtensionId myext =
ModuleExtensionId.create(
Label.parseCanonical("@@dep~//:defs.bzl"), "myext", Optional.empty());
ModuleExtensionId myext2 =
ModuleExtensionId.create(
Label.parseCanonical("@@dep~//incredible:conflict.bzl"), "myext", Optional.empty());
resolutionFunctionMock.setDepGraph(depGraph);
EvaluationResult<BazelDepGraphValue> result =
evaluator.evaluate(ImmutableList.of(BazelDepGraphValue.KEY), evaluationContext);
if (result.hasError()) {
fail(result.getError().toString());
}
BazelDepGraphValue value = result.get(BazelDepGraphValue.KEY);
assertThat(value.getExtensionUsagesTable()).hasSize(5);
assertThat(value.getExtensionUsagesTable())
.containsCell(maven, ModuleKey.ROOT, root.getExtensionUsages().get(0));
assertThat(value.getExtensionUsagesTable())
.containsCell(pip, ModuleKey.ROOT, root.getExtensionUsages().get(1));
assertThat(value.getExtensionUsagesTable())
.containsCell(pip, depKey, dep.getExtensionUsages().get(0));
assertThat(value.getExtensionUsagesTable())
.containsCell(myext, depKey, dep.getExtensionUsages().get(1));
assertThat(value.getExtensionUsagesTable())
.containsCell(myext2, depKey, dep.getExtensionUsages().get(2));
assertThat(value.getExtensionUniqueNames())
.containsExactly(
maven, "rules_jvm_external~~maven",
pip, "rules_python~~pip",
myext, "dep~~myext",
myext2, "dep~~myext2");
assertThat(value.getFullRepoMapping(ModuleKey.ROOT))
.isEqualTo(
createRepositoryMapping(
ModuleKey.ROOT,
"",
"",
"root",
"",
"rje",
"rules_jvm_external~",
"rpy",
"rules_python~",
"av",
"rules_jvm_external~~maven~autovalue",
"numpy",
"rules_python~~pip~numpy"));
assertThat(value.getFullRepoMapping(depKey))
.isEqualTo(
createRepositoryMapping(
depKey,
"dep",
"dep~",
"rules_python",
"rules_python~",
"np",
"rules_python~~pip~numpy",
"oneext",
"dep~~myext~myext",
"twoext",
"dep~~myext2~myext"));
}
@Test
public void useExtensionBadLabelFails() throws Exception {
Module root =
buildModule("module", "1.0")
.setKey(ModuleKey.ROOT)
.addExtensionUsage(createModuleExtensionUsage("@foo//:defs.bzl", "bar"))
.build();
ImmutableMap<ModuleKey, Module> depGraph = ImmutableMap.of(ModuleKey.ROOT, root);
resolutionFunctionMock.setDepGraph(depGraph);
EvaluationResult<BazelDepGraphValue> result =
evaluator.evaluate(ImmutableList.of(BazelDepGraphValue.KEY), evaluationContext);
if (!result.hasError()) {
fail("expected error about @foo not being visible, but succeeded");
}
assertThat(result.getError().toString()).contains("no repo visible as '@foo' here");
}
private static class BazelModuleResolutionFunctionMock implements SkyFunction {
private ImmutableMap<ModuleKey, Module> depGraph = ImmutableMap.of();
public void setDepGraph(ImmutableMap<ModuleKey, Module> depGraph) {
this.depGraph = depGraph;
}
@Override
@Nullable
public SkyValue compute(SkyKey skyKey, Environment env) {
return BazelModuleResolutionValue.create(
depGraph, ImmutableMap.of(), ImmutableMap.of(), ImmutableMap.of());
}
}
}