| // 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.bazel.repository; |
| |
| import static com.google.devtools.build.lib.bazel.repository.TestArchiveDescriptor.INNER_FOLDER_NAME; |
| import static com.google.devtools.build.lib.bazel.repository.TestArchiveDescriptor.ROOT_FOLDER_NAME; |
| |
| import com.google.devtools.build.lib.vfs.Path; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.zip.GZIPInputStream; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests decompressing archives. */ |
| @RunWith(JUnit4.class) |
| public class CompressedTarFunctionTest { |
| /* Tarball, created by "tar -czf <ARCHIVE_NAME> <files...>" */ |
| private static final String ARCHIVE_NAME = "test_decompress_archive.tar.gz"; |
| |
| private TestArchiveDescriptor archiveDescriptor; |
| |
| @Before |
| public void setUpFs() throws Exception { |
| archiveDescriptor = new TestArchiveDescriptor(ARCHIVE_NAME, "out", true); |
| } |
| |
| /** |
| * Test decompressing a tar.gz file with hard link file and symbolic link file inside without |
| * stripping a prefix |
| */ |
| @Test |
| public void testDecompressWithoutPrefix() throws Exception { |
| Path outputDir = decompress(archiveDescriptor.createDescriptorBuilder()); |
| |
| archiveDescriptor.assertOutputFiles(outputDir, ROOT_FOLDER_NAME, INNER_FOLDER_NAME); |
| } |
| |
| /** |
| * Test decompressing a tar.gz file with hard link file and symbolic link file inside and |
| * stripping a prefix |
| */ |
| @Test |
| public void testDecompressWithPrefix() throws Exception { |
| DecompressorDescriptor.Builder descriptorBuilder = |
| archiveDescriptor.createDescriptorBuilder().setPrefix(ROOT_FOLDER_NAME); |
| Path outputDir = decompress(descriptorBuilder); |
| |
| archiveDescriptor.assertOutputFiles(outputDir, INNER_FOLDER_NAME); |
| } |
| |
| private Path decompress(DecompressorDescriptor.Builder descriptorBuilder) throws Exception { |
| descriptorBuilder.setDecompressor(TarGzFunction.INSTANCE); |
| return new CompressedTarFunction() { |
| @Override |
| protected InputStream getDecompressorStream(DecompressorDescriptor descriptor) |
| throws IOException { |
| return new GZIPInputStream(new FileInputStream(descriptor.archivePath().getPathFile())); |
| } |
| }.decompress(descriptorBuilder.build()); |
| } |
| } |