| // Copyright 2018 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.worker; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.sandbox.SandboxHelpers.SandboxOutputs; |
| import com.google.devtools.build.lib.testutil.TestUtils; |
| 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 com.google.devtools.build.lib.vfs.PathFragment; |
| import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem; |
| import java.io.IOException; |
| import java.nio.charset.Charset; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link WorkerExecRoot}. */ |
| @RunWith(JUnit4.class) |
| public class WorkerExecRootTest { |
| private FileSystem fileSystem; |
| private Path testRoot; |
| private Path workspaceDir; |
| private Path sandboxDir; |
| private Path execRoot; |
| |
| @Before |
| public final void setupTestDirs() throws IOException { |
| fileSystem = new InMemoryFileSystem(); |
| testRoot = fileSystem.getPath(TestUtils.tmpDir()); |
| testRoot.createDirectoryAndParents(); |
| |
| workspaceDir = testRoot.getRelative("workspace"); |
| workspaceDir.createDirectory(); |
| sandboxDir = testRoot.getRelative("sandbox"); |
| sandboxDir.createDirectory(); |
| execRoot = sandboxDir.getRelative("execroot"); |
| execRoot.createDirectory(); |
| } |
| |
| @Test |
| public void cleanFileSystem() throws Exception { |
| Path workerSh = workspaceDir.getRelative("worker.sh"); |
| FileSystemUtils.writeContentAsLatin1(workerSh, "#!/bin/bash"); |
| |
| WorkerExecRoot workerExecRoot = |
| new WorkerExecRoot( |
| execRoot, |
| ImmutableMap.of(PathFragment.create("worker.sh"), workerSh), |
| SandboxOutputs.create( |
| ImmutableSet.of(PathFragment.create("very/output.txt")), ImmutableSet.of()), |
| ImmutableSet.of(PathFragment.create("worker.sh"))); |
| workerExecRoot.createFileSystem(); |
| |
| // Pretend to do some work inside the execRoot. |
| execRoot.getRelative("tempdir").createDirectory(); |
| FileSystemUtils.createEmptyFile(execRoot.getRelative("very/output.txt")); |
| FileSystemUtils.createEmptyFile(execRoot.getRelative("temp.txt")); |
| // Modify the worker.sh so that we're able to detect whether it gets rewritten or not. |
| FileSystemUtils.writeContentAsLatin1(workerSh, "#!/bin/sh"); |
| |
| // Reuse the same execRoot. |
| workerExecRoot.createFileSystem(); |
| |
| assertThat(execRoot.getRelative("worker.sh").exists()).isTrue(); |
| assertThat( |
| FileSystemUtils.readContent( |
| execRoot.getRelative("worker.sh"), Charset.defaultCharset())) |
| .isEqualTo("#!/bin/sh"); |
| assertThat(execRoot.getRelative("tempdir").exists()).isFalse(); |
| assertThat(execRoot.getRelative("very/output.txt").exists()).isFalse(); |
| assertThat(execRoot.getRelative("temp.txt").exists()).isFalse(); |
| } |
| } |