| // Copyright 2017 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.exec; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.devtools.build.lib.testutil.MoreAsserts.assertThrows; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.shell.Command; |
| 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.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.Map; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link SymlinkTreeHelper}. */ |
| @RunWith(JUnit4.class) |
| public final class SymlinkTreeHelperTest { |
| private final FileSystem fs = new InMemoryFileSystem(); |
| |
| @Test |
| public void checkCreatedSpawn() { |
| Path execRoot = fs.getPath("/my/workspace"); |
| Path inputManifestPath = execRoot.getRelative("input_manifest"); |
| BinTools binTools = |
| BinTools.forUnitTesting(execRoot, ImmutableList.of(SymlinkTreeHelper.BUILD_RUNFILES)); |
| Command command = |
| new SymlinkTreeHelper(inputManifestPath, execRoot.getRelative("output/MANIFEST"), false) |
| .createCommand(execRoot, binTools, ImmutableMap.of()); |
| assertThat(command.getEnvironmentVariables()).isEmpty(); |
| assertThat(command.getWorkingDirectory()).isEqualTo(execRoot.getPathFile()); |
| String[] commandLine = command.getCommandLineElements(); |
| assertThat(commandLine).hasLength(3); |
| assertThat(commandLine[0]).endsWith(SymlinkTreeHelper.BUILD_RUNFILES); |
| assertThat(commandLine[1]).isEqualTo("input_manifest"); |
| assertThat(commandLine[2]).isEqualTo("output/MANIFEST"); |
| } |
| |
| @Test |
| public void readManifest() throws Exception { |
| Path execRoot = fs.getPath("/my/workspace"); |
| execRoot.createDirectoryAndParents(); |
| Path inputManifestPath = execRoot.getRelative("input_manifest"); |
| FileSystemUtils.writeContentAsLatin1(inputManifestPath, "from to\nmetadata"); |
| Map<PathFragment, PathFragment> symlinks = |
| SymlinkTreeHelper.readSymlinksFromFilesetManifest(inputManifestPath); |
| assertThat(symlinks).containsExactly(PathFragment.create("from"), PathFragment.create("to")); |
| } |
| |
| @Test |
| public void readMultilineManifest() throws Exception { |
| Path execRoot = fs.getPath("/my/workspace"); |
| execRoot.createDirectoryAndParents(); |
| Path inputManifestPath = execRoot.getRelative("input_manifest"); |
| FileSystemUtils.writeContentAsLatin1( |
| inputManifestPath, "from to\nmetadata\n/foo /bar\nmetadata"); |
| Map<PathFragment, PathFragment> symlinks = |
| SymlinkTreeHelper.readSymlinksFromFilesetManifest(inputManifestPath); |
| assertThat(symlinks) |
| .containsExactly( |
| PathFragment.create("from"), |
| PathFragment.create("to"), |
| PathFragment.create("/foo"), |
| PathFragment.create("/bar")); |
| } |
| |
| @Test |
| public void readCorruptManifest() throws Exception { |
| Path execRoot = fs.getPath("/my/workspace"); |
| execRoot.createDirectoryAndParents(); |
| Path inputManifestPath = execRoot.getRelative("input_manifest"); |
| FileSystemUtils.writeContentAsLatin1(inputManifestPath, "from to"); |
| assertThrows( |
| IOException.class, |
| () -> SymlinkTreeHelper.readSymlinksFromFilesetManifest(inputManifestPath)); |
| } |
| |
| @Test |
| public void readNonExistentManifestFails() { |
| Path execRoot = fs.getPath("/my/workspace"); |
| Path inputManifestPath = execRoot.getRelative("input_manifest"); |
| assertThrows( |
| FileNotFoundException.class, |
| () -> SymlinkTreeHelper.readSymlinksFromFilesetManifest(inputManifestPath)); |
| } |
| } |