| // 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 com.google.common.collect.ImmutableList; |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link 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)); |
| } |
| |
| @Test |
| public void testParseTracefileWithLargeCounts() throws IOException { |
| List<String> tracefile = |
| ImmutableList.of( |
| "SF:SOURCE_FILENAME", |
| "FN:4,file1-func1", |
| "FNDA:1000000000000,file1-func1", |
| "FNF:1", |
| "FNH:1", |
| "DA:4,1000000000000", |
| "DA:5,1000000000000", |
| "LH:2", |
| "LF:2", |
| "end_of_record"); |
| |
| List<SourceFileCoverage> sourceFiles = |
| LcovParser.parse(new ByteArrayInputStream(Joiner.on("\n").join(tracefile).getBytes(UTF_8))); |
| SourceFileCoverage sourceFile = sourceFiles.get(0); |
| |
| Map<String, Long> functions = sourceFile.getFunctionsExecution(); |
| assertThat(functions).containsEntry("file1-func1", 1000000000000L); |
| |
| Map<Integer, LineCoverage> lines = sourceFile.getLines(); |
| assertThat(lines.get(4).executionCount()).isEqualTo(1000000000000L); |
| assertThat(lines.get(5).executionCount()).isEqualTo(1000000000000L); |
| } |
| |
| @Test |
| public void testParseBrdaBranches() throws IOException { |
| List<String> traceFile = |
| ImmutableList.of( |
| "SF:SOURCE_FILE", |
| "FN:2,func", |
| "FNDA:1,func", |
| "DA:2,1", |
| "DA:3,1", |
| "DA:4,1", |
| "DA:5,1", |
| "DA:6,1", |
| "BRDA:6,0,0,1", |
| "BRDA:6,0,1,0", |
| "DA:7,13", |
| "BRDA:7,0,0,12", |
| "BRDA:7,0,1,1", |
| "DA:8,12", |
| "DA:10,1", |
| "DA:12,0", |
| "BRDA:12,0,0,-", |
| "BRDA:12,0,1,-", |
| "DA:13,0", |
| "DA:14.0", |
| "DA:16,0", |
| "end_of_record"); |
| List<SourceFileCoverage> sourceFiles = |
| LcovParser.parse(new ByteArrayInputStream(Joiner.on("\n").join(traceFile).getBytes(UTF_8))); |
| SourceFileCoverage sourceFile = sourceFiles.get(0); |
| |
| List<BranchCoverage> branches = |
| sourceFile.getAllBranches().stream().collect(Collectors.toList()); |
| assertThat(branches) |
| .containsExactly( |
| BranchCoverage.createWithBlockAndBranch(6, "0", "0", true, 1), |
| BranchCoverage.createWithBlockAndBranch(6, "0", "1", true, 0), |
| BranchCoverage.createWithBlockAndBranch(7, "0", "0", true, 12), |
| BranchCoverage.createWithBlockAndBranch(7, "0", "1", true, 1), |
| BranchCoverage.createWithBlockAndBranch(12, "0", "0", false, 0), |
| BranchCoverage.createWithBlockAndBranch(12, "0", "1", false, 0)); |
| } |
| |
| @Test |
| public void testParseBaBranches() throws IOException { |
| List<String> traceFile = |
| ImmutableList.of( |
| "SF:SOURCE_FILE", |
| "FN:2,func", |
| "FNDA:1,func", |
| "DA:1,5", |
| "BA:2,1", |
| "BA:2,2", |
| "DA:3,0", |
| "BA:4,0", |
| "BA:4,0", |
| "DA:5,0", |
| "DA:6,5", |
| "BA:7,2", |
| "BA:7,1", |
| "BA:7,2", |
| "DA:8,1", |
| "DA:9,0", |
| "DA:10,4", |
| "end_of_record"); |
| List<SourceFileCoverage> sourceFiles = |
| LcovParser.parse(new ByteArrayInputStream(Joiner.on("\n").join(traceFile).getBytes(UTF_8))); |
| SourceFileCoverage sourceFile = sourceFiles.get(0); |
| |
| List<BranchCoverage> branches = |
| sourceFile.getAllBranches().stream().collect(Collectors.toList()); |
| assertThat(branches) |
| .containsExactly( |
| BranchCoverage.create(2, 1), |
| BranchCoverage.create(2, 2), |
| BranchCoverage.create(4, 0), |
| BranchCoverage.create(4, 0), |
| BranchCoverage.create(7, 2), |
| BranchCoverage.create(7, 1), |
| BranchCoverage.create(7, 2)); |
| } |
| } |