| // 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.coverageoutputgenerator; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.devtools.coverageoutputgenerator.LcovMergerTestUtils.TRACEFILE1; |
| import static com.google.devtools.coverageoutputgenerator.LcovMergerTestUtils.TRACEFILE2; |
| import static com.google.devtools.coverageoutputgenerator.LcovMergerTestUtils.assertTracefile1; |
| import static com.google.devtools.coverageoutputgenerator.LcovMergerTestUtils.assertTracefile2; |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import com.google.common.base.Joiner; |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@LcovParser}. */ |
| @RunWith(JUnit4.class) |
| public class LcovParserTest { |
| |
| @Test |
| public void testParseInvalidTracefile() throws IOException { |
| List<SourceFileCoverage> sourceFiles = |
| LcovParser.parse(new ByteArrayInputStream("Invalid lcov tracefile".getBytes(UTF_8))); |
| assertThat(sourceFiles).isEmpty(); |
| } |
| |
| @Test |
| public void testParseTracefileWithOneSourcefile() throws IOException { |
| List<SourceFileCoverage> sourceFiles = |
| LcovParser.parse( |
| new ByteArrayInputStream(Joiner.on("\n").join(TRACEFILE1).getBytes(UTF_8))); |
| assertThat(sourceFiles).hasSize(1); |
| assertTracefile1(sourceFiles.get(0)); |
| } |
| |
| @Test |
| public void testParseTracefileWithTwoSourcefiles() throws IOException { |
| List<String> tracefile2ModifiedLines = new ArrayList<>(); |
| tracefile2ModifiedLines.addAll(TRACEFILE2); |
| tracefile2ModifiedLines.set(0, "SF:BSOME_OTHER_FILE_THAT_IS_NOT_MERGED"); |
| |
| List<String> tracefileLines = new ArrayList<>(); |
| tracefileLines.addAll(TRACEFILE1); |
| tracefileLines.addAll(tracefile2ModifiedLines); |
| |
| InputStream inputStream = |
| new ByteArrayInputStream(Joiner.on("\n").join(tracefileLines).getBytes(UTF_8)); |
| List<SourceFileCoverage> sourceFiles = LcovParser.parse(inputStream); |
| |
| assertThat(sourceFiles).hasSize(2); |
| assertTracefile1(sourceFiles.get(0)); |
| assertTracefile2(sourceFiles.get(1)); |
| } |
| } |