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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.devtools.build.lib.actions.util.ActionsTestUtil.NULL_ACTION_OWNER;
import com.google.common.collect.Sets;
import com.google.devtools.build.lib.actions.ActionExecutionContext;
import com.google.devtools.build.lib.actions.ActionExecutionException;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.Executor;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.exec.util.TestExecutorBuilder;
import com.google.devtools.build.lib.testutil.MoreAsserts;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.Path;
/**
* Tests {@link SymlinkAction}.
*/
public class SymlinkActionTest extends BuildViewTestCase {
private Path input;
private Artifact inputArtifact;
private Path output;
private Artifact outputArtifact;
private SymlinkAction action;
@Override
public void setUp() throws Exception {
super.setUp();
input = scratch.file("input.txt", "Hello, world.");
inputArtifact = getSourceArtifact("input.txt");
Path linkedInput = directories.getExecRoot().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");
}
public void testInputArtifactIsInput() {
Iterable<Artifact> inputs = action.getInputs();
assertEquals(Sets.newHashSet(inputArtifact), Sets.newHashSet(inputs));
}
public void testDestinationArtifactIsOutput() {
Iterable<Artifact> outputs = action.getOutputs();
assertEquals(Sets.newHashSet(outputArtifact), Sets.newHashSet(outputs));
}
public void testSymlink() throws Exception {
Executor executor = new TestExecutorBuilder(directories, null).build();
action.execute(new ActionExecutionContext(executor, null, null, null, null));
assertTrue(output.isSymbolicLink());
assertEquals(input, output.resolveSymbolicLinks());
assertEquals(inputArtifact, action.getPrimaryInput());
assertEquals(outputArtifact, action.getPrimaryOutput());
}
public void testExecutableSymlink() throws Exception {
Executor executor = new TestExecutorBuilder(directories, null).build();
outputArtifact = getBinArtifactWithNoOwner("destination2.txt");
output = outputArtifact.getPath();
action = new ExecutableSymlinkAction(NULL_ACTION_OWNER, inputArtifact, outputArtifact);
assertFalse(input.isExecutable());
ActionExecutionContext actionExecutionContext =
new ActionExecutionContext(executor, null, null, null, null);
try {
action.execute(actionExecutionContext);
fail("Expected ActionExecutionException");
} catch (ActionExecutionException e) {
MoreAsserts.assertContainsRegex("'input.txt' is not executable", e.getMessage());
}
input.setExecutable(true);
action.execute(actionExecutionContext);
assertTrue(output.isSymbolicLink());
assertEquals(input, output.resolveSymbolicLinks());
}
}
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