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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.actions;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static com.google.devtools.build.lib.actions.util.ActionsTestUtil.NULL_ACTION_OWNER;
import static org.junit.Assert.fail;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.actions.util.DummyExecutor;
import com.google.devtools.build.lib.analysis.actions.ExecutableSymlinkAction;
import com.google.devtools.build.lib.exec.SingleBuildFileCache;
import com.google.devtools.build.lib.testutil.Scratch;
import com.google.devtools.build.lib.testutil.TestFileOutErr;
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;
/** Test cases for {@link ExecutableSymlinkAction}. */
@RunWith(JUnit4.class)
public class ExecutableSymlinkActionTest {
private Scratch scratch = new Scratch();
private ArtifactRoot inputRoot;
private ArtifactRoot outputRoot;
TestFileOutErr outErr;
private Executor executor;
private final ActionKeyContext actionKeyContext = new ActionKeyContext();
@Before
public final void createExecutor() throws Exception {
final Path inputDir = scratch.dir("/in");
Path execRoot = scratch.getFileSystem().getPath("/");
inputRoot = ArtifactRoot.asDerivedRoot(execRoot, inputDir);
outputRoot = ArtifactRoot.asDerivedRoot(execRoot, scratch.dir("/out"));
outErr = new TestFileOutErr();
executor = new DummyExecutor(scratch.getFileSystem(), inputDir);
}
private ActionExecutionContext createContext() {
Path execRoot = executor.getExecRoot();
return new ActionExecutionContext(
executor,
new SingleBuildFileCache(execRoot.getPathString(), execRoot.getFileSystem()),
ActionInputPrefetcher.NONE,
actionKeyContext,
null,
outErr,
ImmutableMap.<String, String>of(),
null);
}
@Test
public void testSimple() throws Exception {
Path inputFile = inputRoot.getRoot().getRelative("some-file");
Path outputFile = outputRoot.getRoot().getRelative("some-output");
FileSystemUtils.createEmptyFile(inputFile);
inputFile.setExecutable(/*executable=*/true);
Artifact input = new Artifact(inputFile, inputRoot);
Artifact output = new Artifact(outputFile, outputRoot);
ExecutableSymlinkAction action = new ExecutableSymlinkAction(NULL_ACTION_OWNER, input, output);
ActionResult actionResult = action.execute(createContext());
assertThat(actionResult.spawnResults()).isEmpty();
assertThat(outputFile.resolveSymbolicLinks()).isEqualTo(inputFile);
}
@Test
public void testFailIfInputIsNotAFile() throws Exception {
Path dir = inputRoot.getRoot().getRelative("some-dir");
FileSystemUtils.createDirectoryAndParents(dir);
Artifact input = new Artifact(dir, inputRoot);
Artifact output = new Artifact(outputRoot.getRoot().getRelative("some-output"), outputRoot);
ExecutableSymlinkAction action = new ExecutableSymlinkAction(NULL_ACTION_OWNER, input, output);
try {
action.execute(createContext());
fail();
} catch (ActionExecutionException e) {
assertThat(e).hasMessageThat().contains("'some-dir' is not a file");
}
}
@Test
public void testFailIfInputIsNotExecutable() throws Exception {
Path file = inputRoot.getRoot().getRelative("some-file");
FileSystemUtils.createEmptyFile(file);
file.setExecutable(/*executable=*/false);
Artifact input = new Artifact(file, inputRoot);
Artifact output = new Artifact(outputRoot.getRoot().getRelative("some-output"), outputRoot);
ExecutableSymlinkAction action = new ExecutableSymlinkAction(NULL_ACTION_OWNER, input, output);
try {
action.execute(createContext());
fail();
} catch (ActionExecutionException e) {
String want = "'some-file' is not executable";
String got = e.getMessage();
assertWithMessage(String.format("got %s, want %s", got, want))
.that(got.contains(want))
.isTrue();
}
}
}
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