| // 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.lcovmerger; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.devtools.build.lib.testutil.Scratch; |
| import com.google.devtools.build.lib.vfs.FileSystemUtils; |
| import com.google.devtools.build.lib.vfs.FileSystems; |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Test for LcovMerger. |
| */ |
| @RunWith(JUnit4.class) |
| public class LcovMergerTest { |
| |
| private final Scratch scratch = |
| new Scratch(FileSystemUtils.getWorkingDirectory(FileSystems.initDefaultAsJavaIo())); |
| |
| @Test |
| public void testZeroDatFile() throws IOException { |
| scratch.dir("dir0"); |
| |
| File merged = new File("dir0Merged.dat"); |
| File dir = new File("dir0"); |
| LcovMerger merger = new LcovMerger(dir.getAbsolutePath(), merged.getAbsolutePath()); |
| boolean success = merger.merge(); |
| assertThat(success).isFalse(); |
| |
| assertThat(merged.exists()).isFalse(); |
| } |
| |
| @Test |
| public void testOneDatFile() throws IOException { |
| String content = "This is an lcov file."; |
| scratch.file("dir1/jvcov.dat", content); |
| |
| File merged = new File("dir1Merged.dat"); |
| File dir = new File("dir1"); |
| LcovMerger merger = new LcovMerger(dir.getAbsolutePath(), merged.getAbsolutePath()); |
| boolean success = merger.merge(); |
| assertThat(success).isTrue(); |
| |
| assertThat(merged.exists()).isTrue(); |
| String readContent = new String(Files.readAllBytes(merged.toPath())).trim(); |
| assertThat(readContent).isEqualTo(content); |
| } |
| |
| @Test |
| public void testTwoDatFiles() throws IOException { |
| scratch.file("dir2/jvcov1.dat", "This is an lcov file."); |
| scratch.file("dir2/jvcov2.dat", "This is another lcov file."); |
| |
| File merged = new File("dir2Merged.dat"); |
| File dir = new File("dir2"); |
| LcovMerger merger = new LcovMerger(dir.getAbsolutePath(), merged.getAbsolutePath()); |
| boolean success = merger.merge(); |
| assertThat(success).isFalse(); |
| |
| assertThat(merged.exists()).isFalse(); |
| } |
| } |