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// Copyright 2015 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.skyframe;
import com.google.common.base.Suppliers;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.actions.ActionAnalysisMetadata;
import com.google.devtools.build.lib.actions.ActionKeyContext;
import com.google.devtools.build.lib.actions.ActionLookupValue.ActionLookupKey;
import com.google.devtools.build.lib.analysis.BlazeDirectories;
import com.google.devtools.build.lib.analysis.ServerDirectories;
import com.google.devtools.build.lib.pkgcache.PathPackageLocator;
import com.google.devtools.build.lib.skyframe.ExternalFilesHelper.ExternalFileAction;
import com.google.devtools.build.lib.skyframe.PackageLookupFunction.CrossRepositoryLabelViolationStrategy;
import com.google.devtools.build.lib.testutil.TestConstants;
import com.google.devtools.build.lib.testutil.TestRuleClassProvider;
import com.google.devtools.build.lib.testutil.TestUtils;
import com.google.devtools.build.lib.util.io.TimestampGranularityMonitor;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.lib.vfs.Root;
import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem;
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.SequentialBuildDriver;
import com.google.devtools.build.skyframe.SkyFunction;
import com.google.devtools.build.skyframe.SkyFunctionException;
import com.google.devtools.build.skyframe.SkyFunctionName;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicReference;
import org.junit.Before;
abstract class ArtifactFunctionTestCase {
static final ActionLookupKey ALL_OWNER = new SingletonActionLookupKey();
protected Set<ActionAnalysisMetadata> actions;
protected boolean fastDigest = false;
protected RecordingDifferencer differencer = new SequencedRecordingDifferencer();
protected SequentialBuildDriver driver;
protected MemoizingEvaluator evaluator;
protected Path root;
protected Path middlemanPath;
protected final ActionKeyContext actionKeyContext = new ActionKeyContext();
/**
* The test action execution function. The Skyframe evaluator's action execution function
* delegates to this one.
*/
protected SkyFunction delegateActionExecutionFunction;
@Before
public void baseSetUp() throws Exception {
setupRoot(new CustomInMemoryFs());
AtomicReference<PathPackageLocator> pkgLocator =
new AtomicReference<>(
new PathPackageLocator(
root.getFileSystem().getPath("/outputbase"),
ImmutableList.of(Root.fromPath(root)),
BazelSkyframeExecutorConstants.BUILD_FILES_BY_PRIORITY));
BlazeDirectories directories =
new BlazeDirectories(new ServerDirectories(root, root), root, TestConstants.PRODUCT_NAME);
ExternalFilesHelper externalFilesHelper = ExternalFilesHelper.createForTesting(
pkgLocator,
ExternalFileAction.DEPEND_ON_EXTERNAL_PKG_FOR_EXTERNAL_REPO_PATHS,
directories);
differencer = new SequencedRecordingDifferencer();
evaluator =
new InMemoryMemoizingEvaluator(
ImmutableMap.<SkyFunctionName, SkyFunction>builder()
.put(
SkyFunctions.FILE_STATE,
new FileStateFunction(
new AtomicReference<TimestampGranularityMonitor>(), externalFilesHelper))
.put(SkyFunctions.FILE, new FileFunction(pkgLocator))
.put(SkyFunctions.ARTIFACT, new ArtifactFunction())
.put(SkyFunctions.ACTION_EXECUTION, new SimpleActionExecutionFunction())
.put(
SkyFunctions.PACKAGE,
new PackageFunction(null, null, null, null, null, null, null))
.put(
SkyFunctions.PACKAGE_LOOKUP,
new PackageLookupFunction(
null,
CrossRepositoryLabelViolationStrategy.ERROR,
BazelSkyframeExecutorConstants.BUILD_FILES_BY_PRIORITY))
.put(
SkyFunctions.WORKSPACE_AST,
new WorkspaceASTFunction(TestRuleClassProvider.getRuleClassProvider()))
.put(
SkyFunctions.WORKSPACE_FILE,
new WorkspaceFileFunction(
TestRuleClassProvider.getRuleClassProvider(),
TestConstants.PACKAGE_FACTORY_BUILDER_FACTORY_FOR_TESTING
.builder()
.build(
TestRuleClassProvider.getRuleClassProvider(), root.getFileSystem()),
directories))
.put(SkyFunctions.EXTERNAL_PACKAGE, new ExternalPackageFunction())
.put(
SkyFunctions.ACTION_TEMPLATE_EXPANSION,
new ActionTemplateExpansionFunction(
actionKeyContext, Suppliers.ofInstance(false)))
.build(),
differencer);
driver = new SequentialBuildDriver(evaluator);
PrecomputedValue.BUILD_ID.set(differencer, UUID.randomUUID());
PrecomputedValue.PATH_PACKAGE_LOCATOR.set(differencer, pkgLocator.get());
actions = new HashSet<>();
}
protected void setupRoot(CustomInMemoryFs fs) throws IOException {
Path tmpDir = fs.getPath(TestUtils.tmpDir());
root = tmpDir.getChild("root");
FileSystemUtils.createDirectoryAndParents(root);
FileSystemUtils.createEmptyFile(root.getRelative("WORKSPACE"));
middlemanPath = tmpDir.getChild("middlemanRoot");
FileSystemUtils.createDirectoryAndParents(middlemanPath);
}
protected static void writeFile(Path path, String contents) throws IOException {
FileSystemUtils.createDirectoryAndParents(path.getParentDirectory());
FileSystemUtils.writeContentAsLatin1(path, contents);
}
/** ActionExecutionFunction that delegates to our delegate. */
private class SimpleActionExecutionFunction implements SkyFunction {
@Override
public SkyValue compute(SkyKey skyKey, Environment env)
throws SkyFunctionException, InterruptedException {
return delegateActionExecutionFunction.compute(skyKey, env);
}
@Override
public String extractTag(SkyKey skyKey) {
return delegateActionExecutionFunction.extractTag(skyKey);
}
}
private static class SingletonActionLookupKey extends ActionLookupKey {
@Override
public SkyFunctionName functionName() {
return SkyFunctions.CONFIGURED_TARGET;
}
}
/** InMemoryFileSystem that can pretend to do a fast digest. */
protected class CustomInMemoryFs extends InMemoryFileSystem {
@Override
protected byte[] getFastDigest(Path path, HashFunction hashFunction) throws IOException {
return fastDigest ? getDigest(path, hashFunction) : null;
}
}
}
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