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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.analysis.actions;
import static com.google.common.truth.Truth.assertThat;
import static com.google.devtools.build.lib.actions.util.ActionsTestUtil.NULL_ACTION_OWNER;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.actions.ActionExecutionContext;
import com.google.devtools.build.lib.actions.ActionInputPrefetcher;
import com.google.devtools.build.lib.actions.ActionResult;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.Executor;
import com.google.devtools.build.lib.actions.OutputBaseSupplier;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.exec.util.TestExecutorBuilder;
import com.google.devtools.build.lib.skyframe.serialization.testutils.SerializationDepsUtils;
import com.google.devtools.build.lib.skyframe.serialization.testutils.SerializationTester;
import com.google.devtools.build.lib.testutil.TestConstants;
import com.google.devtools.build.lib.vfs.FileSystem;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.Path;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests {@link SymlinkAction}.
*/
@RunWith(JUnit4.class)
public class SymlinkActionTest extends BuildViewTestCase {
private Path input;
private Artifact inputArtifact;
private Path output;
private Artifact outputArtifact;
private SymlinkAction action;
@Before
public final void setUp() throws Exception {
input = scratch.file("input.txt", "Hello, world.");
inputArtifact = getSourceArtifact("input.txt");
Path linkedInput =
directories.getExecRoot(TestConstants.WORKSPACE_NAME).getRelative("input.txt");
FileSystemUtils.createDirectoryAndParents(linkedInput.getParentDirectory());
linkedInput.createSymbolicLink(input);
outputArtifact = getBinArtifactWithNoOwner("destination.txt");
output = outputArtifact.getPath();
FileSystemUtils.createDirectoryAndParents(output.getParentDirectory());
action = new SymlinkAction(NULL_ACTION_OWNER,
inputArtifact, outputArtifact, "Symlinking test");
}
@Test
public void testInputArtifactIsInput() {
Iterable<Artifact> inputs = action.getInputs();
assertThat(inputs).containsExactly(inputArtifact);
}
@Test
public void testDestinationArtifactIsOutput() {
Iterable<Artifact> outputs = action.getOutputs();
assertThat(outputs).containsExactly(outputArtifact);
}
@Test
public void testSymlink() throws Exception {
Executor executor = new TestExecutorBuilder(fileSystem, directories, null).build();
ActionResult actionResult =
action.execute(
new ActionExecutionContext(
executor,
null,
ActionInputPrefetcher.NONE,
actionKeyContext,
null,
null,
ImmutableMap.<String, String>of(),
ImmutableMap.of(),
null,
/*actionFileSystem=*/ null));
assertThat(actionResult.spawnResults()).isEmpty();
assertThat(output.isSymbolicLink()).isTrue();
assertThat(output.resolveSymbolicLinks()).isEqualTo(input);
assertThat(action.getPrimaryInput()).isEqualTo(inputArtifact);
assertThat(action.getPrimaryOutput()).isEqualTo(outputArtifact);
}
@Test
public void testCodec() throws Exception {
new SerializationTester(action)
.addDependency(FileSystem.class, scratch.getFileSystem())
.addDependency(OutputBaseSupplier.class, () -> outputBase)
.addDependencies(SerializationDepsUtils.SERIALIZATION_DEPS_FOR_TEST)
.setVerificationFunction(
(in, out) -> {
SymlinkAction inAction = (SymlinkAction) in;
SymlinkAction outAction = (SymlinkAction) out;
assertThat(inAction.getPrimaryInput().getFilename())
.isEqualTo(outAction.getPrimaryInput().getFilename());
assertThat(inAction.getPrimaryOutput().getFilename())
.isEqualTo(outAction.getPrimaryOutput().getFilename());
assertThat(inAction.getOwner()).isEqualTo(outAction.getOwner());
assertThat(inAction.getProgressMessage()).isEqualTo(outAction.getProgressMessage());
})
.runTests();
}
}
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