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// Copyright 2016 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.sandbox;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.build.lib.vfs.Symlinks;
import java.io.IOException;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link SymlinkedSandboxedSpawn}. */
@RunWith(JUnit4.class)
public class SymlinkedSandboxedSpawnTest extends SandboxTestCase {
private Path workspaceDir;
private Path sandboxDir;
private Path execRoot;
private Path outputsDir;
@Before
public final void setupTestDirs() throws IOException {
workspaceDir = testRoot.getRelative("workspace");
workspaceDir.createDirectory();
sandboxDir = testRoot.getRelative("sandbox");
sandboxDir.createDirectory();
execRoot = sandboxDir.getRelative("execroot");
execRoot.createDirectory();
outputsDir = testRoot.getRelative("outputs");
outputsDir.createDirectory();
}
@Test
public void createFileSystem() throws Exception {
Path helloTxt = workspaceDir.getRelative("hello.txt");
FileSystemUtils.createEmptyFile(helloTxt);
SymlinkedSandboxedSpawn symlinkedExecRoot =
new SymlinkedSandboxedSpawn(
sandboxDir,
execRoot,
ImmutableList.of("/bin/true"),
ImmutableMap.of(),
ImmutableMap.of(PathFragment.create("such/input.txt"), helloTxt),
ImmutableSet.of(PathFragment.create("very/output.txt")),
ImmutableSet.of(execRoot.getRelative("wow/writable")));
symlinkedExecRoot.createFileSystem();
assertThat(execRoot.getRelative("such/input.txt").isSymbolicLink()).isTrue();
assertThat(execRoot.getRelative("such/input.txt").resolveSymbolicLinks()).isEqualTo(helloTxt);
assertThat(execRoot.getRelative("very").isDirectory()).isTrue();
assertThat(execRoot.getRelative("wow/writable").isDirectory()).isTrue();
}
@Test
public void copyOutputs() throws Exception {
// These tests are very simple because we just rely on SandboxedSpawnTest.testMoveOutputs to
// properly verify all corner cases.
Path outputFile = execRoot.getRelative("very/output.txt");
SymlinkedSandboxedSpawn symlinkedExecRoot =
new SymlinkedSandboxedSpawn(
sandboxDir,
execRoot,
ImmutableList.of("/bin/true"),
ImmutableMap.of(),
ImmutableMap.of(),
ImmutableSet.of(outputFile.relativeTo(execRoot)),
ImmutableSet.of());
symlinkedExecRoot.createFileSystem();
FileSystemUtils.createEmptyFile(outputFile);
outputsDir.getRelative("very").createDirectory();
symlinkedExecRoot.copyOutputs(outputsDir);
assertThat(outputsDir.getRelative("very/output.txt").isFile(Symlinks.NOFOLLOW)).isTrue();
}
}
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