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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 static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.testing.EqualsTester;
import com.google.devtools.build.lib.analysis.BlazeDirectories;
import com.google.devtools.build.lib.cmdline.PackageIdentifier;
import com.google.devtools.build.lib.events.NullEventHandler;
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.skyframe.PackageLookupValue.BuildFileName;
import com.google.devtools.build.lib.testutil.FoundationTestCase;
import com.google.devtools.build.lib.testutil.TestConstants;
import com.google.devtools.build.lib.util.io.TimestampGranularityMonitor;
import com.google.devtools.build.lib.vfs.PathFragment;
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.SequentialBuildDriver;
import com.google.devtools.build.skyframe.SkyFunction;
import com.google.devtools.build.skyframe.SkyFunctionName;
import com.google.devtools.build.skyframe.SkyKey;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicReference;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link ContainingPackageLookupFunction}.
*/
@RunWith(JUnit4.class)
public class ContainingPackageLookupFunctionTest extends FoundationTestCase {
private AtomicReference<ImmutableSet<PackageIdentifier>> deletedPackages;
private MemoizingEvaluator evaluator;
private SequentialBuildDriver driver;
@Before
public final void setUp() throws Exception {
AtomicReference<PathPackageLocator> pkgLocator =
new AtomicReference<>(new PathPackageLocator(outputBase, ImmutableList.of(rootDirectory)));
deletedPackages = new AtomicReference<>(ImmutableSet.<PackageIdentifier>of());
ExternalFilesHelper externalFilesHelper = new ExternalFilesHelper(
pkgLocator,
ExternalFileAction.DEPEND_ON_EXTERNAL_PKG_FOR_EXTERNAL_REPO_PATHS,
new BlazeDirectories(
rootDirectory, rootDirectory, rootDirectory, TestConstants.PRODUCT_NAME));
Map<SkyFunctionName, SkyFunction> skyFunctions = new HashMap<>();
skyFunctions.put(
SkyFunctions.PACKAGE_LOOKUP,
new PackageLookupFunction(
deletedPackages,
CrossRepositoryLabelViolationStrategy.ERROR,
ImmutableList.of(BuildFileName.BUILD_DOT_BAZEL, BuildFileName.BUILD)));
skyFunctions.put(SkyFunctions.CONTAINING_PACKAGE_LOOKUP, new ContainingPackageLookupFunction());
skyFunctions.put(SkyFunctions.BLACKLISTED_PACKAGE_PREFIXES,
new BlacklistedPackagePrefixesFunction());
skyFunctions.put(SkyFunctions.FILE_STATE, new FileStateFunction(
new AtomicReference<TimestampGranularityMonitor>(), externalFilesHelper));
skyFunctions.put(SkyFunctions.FILE, new FileFunction(pkgLocator));
skyFunctions.put(SkyFunctions.DIRECTORY_LISTING, new DirectoryListingFunction());
skyFunctions.put(
SkyFunctions.DIRECTORY_LISTING_STATE,
new DirectoryListingStateFunction(externalFilesHelper));
skyFunctions.put(SkyFunctions.LOCAL_REPOSITORY_LOOKUP, new LocalRepositoryLookupFunction());
RecordingDifferencer differencer = new RecordingDifferencer();
evaluator = new InMemoryMemoizingEvaluator(skyFunctions, differencer);
driver = new SequentialBuildDriver(evaluator);
PrecomputedValue.BUILD_ID.set(differencer, UUID.randomUUID());
PrecomputedValue.PATH_PACKAGE_LOCATOR.set(differencer, pkgLocator.get());
PrecomputedValue.BLACKLISTED_PACKAGE_PREFIXES_FILE.set(differencer,
PathFragment.EMPTY_FRAGMENT);
}
private ContainingPackageLookupValue lookupContainingPackage(String packageName)
throws InterruptedException {
SkyKey key =
ContainingPackageLookupValue.key(PackageIdentifier.createInMainRepo(packageName));
return driver
.<ContainingPackageLookupValue>evaluate(
ImmutableList.of(key),
false,
SkyframeExecutor.DEFAULT_THREAD_COUNT,
NullEventHandler.INSTANCE)
.get(key);
}
@Test
public void testNoContainingPackage() throws Exception {
ContainingPackageLookupValue value = lookupContainingPackage("a/b");
assertFalse(value.hasContainingPackage());
}
@Test
public void testContainingPackageIsParent() throws Exception {
scratch.file("a/BUILD");
ContainingPackageLookupValue value = lookupContainingPackage("a/b");
assertTrue(value.hasContainingPackage());
assertEquals(PackageIdentifier.createInMainRepo("a"), value.getContainingPackageName());
assertEquals(rootDirectory, value.getContainingPackageRoot());
}
@Test
public void testContainingPackageIsSelf() throws Exception {
scratch.file("a/b/BUILD");
ContainingPackageLookupValue value = lookupContainingPackage("a/b");
assertTrue(value.hasContainingPackage());
assertEquals(PackageIdentifier.createInMainRepo("a/b"), value.getContainingPackageName());
assertEquals(rootDirectory, value.getContainingPackageRoot());
}
@Test
public void testEqualsAndHashCodeContract() throws Exception {
ContainingPackageLookupValue valueA1 = ContainingPackageLookupValue.NONE;
ContainingPackageLookupValue valueA2 = ContainingPackageLookupValue.NONE;
ContainingPackageLookupValue valueB1 =
ContainingPackageLookupValue.withContainingPackage(
PackageIdentifier.createInMainRepo("b"), rootDirectory);
ContainingPackageLookupValue valueB2 =
ContainingPackageLookupValue.withContainingPackage(
PackageIdentifier.createInMainRepo("b"), rootDirectory);
PackageIdentifier cFrag = PackageIdentifier.createInMainRepo("c");
ContainingPackageLookupValue valueC1 =
ContainingPackageLookupValue.withContainingPackage(cFrag, rootDirectory);
ContainingPackageLookupValue valueC2 =
ContainingPackageLookupValue.withContainingPackage(cFrag, rootDirectory);
ContainingPackageLookupValue valueCOther =
ContainingPackageLookupValue.withContainingPackage(
cFrag, rootDirectory.getRelative("other_root"));
new EqualsTester()
.addEqualityGroup(valueA1, valueA2)
.addEqualityGroup(valueB1, valueB2)
.addEqualityGroup(valueC1, valueC2)
.addEqualityGroup(valueCOther)
.testEquals();
}
}
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