| // 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.TRACEFILE1_DIFFERENT_NAME; |
| import static com.google.devtools.coverageoutputgenerator.LcovMergerTestUtils.createLinesExecution1; |
| import static com.google.devtools.coverageoutputgenerator.LcovMergerTestUtils.createSourceFile1; |
| |
| import com.google.common.base.Splitter; |
| import java.io.ByteArrayOutputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link LcovPrinter}. */ |
| @RunWith(JUnit4.class) |
| public class LcovPrinterTest { |
| |
| private SourceFileCoverage sourceFileCoverage1; |
| private SourceFileCoverage sourceFileCoverage2; |
| private ByteArrayOutputStream byteOutputStream; |
| private Coverage coverage; |
| |
| @Before |
| public void init() { |
| sourceFileCoverage1 = createSourceFile1(createLinesExecution1()); |
| sourceFileCoverage2 = |
| LcovMergerTestUtils.createSourceFile1( |
| TRACEFILE1_DIFFERENT_NAME.get(0).substring(3), createLinesExecution1()); |
| byteOutputStream = new ByteArrayOutputStream(); |
| coverage = new Coverage(); |
| } |
| |
| @Test |
| public void testPrintTwoFiles() throws Exception { |
| coverage.add(sourceFileCoverage1); |
| coverage.add(sourceFileCoverage2); |
| |
| assertThat(LcovPrinter.print(byteOutputStream, coverage)).isTrue(); |
| byteOutputStream.close(); |
| |
| Iterable<String> fileLines = Splitter.on('\n').split(byteOutputStream.toString()); |
| |
| List<String> tracefiles = new ArrayList<>(); |
| tracefiles.addAll(TRACEFILE1_DIFFERENT_NAME); |
| tracefiles.addAll(TRACEFILE1); |
| |
| // Last line of the file will always be a newline. |
| assertThat(fileLines).hasSize(tracefiles.size() + 1); |
| int lineIndex = 0; |
| for (String line : fileLines) { |
| if (lineIndex == tracefiles.size()) { |
| break; |
| } |
| assertThat(line).isEqualTo(tracefiles.get(lineIndex++)); |
| } |
| } |
| |
| @Test |
| public void testPrintOneFile() throws Exception { |
| coverage.add(sourceFileCoverage1); |
| assertThat(LcovPrinter.print(byteOutputStream, coverage)).isTrue(); |
| byteOutputStream.close(); |
| Iterable<String> fileLines = Splitter.on('\n').split(byteOutputStream.toString()); |
| // Last line of the file will always be a newline. |
| assertThat(fileLines).hasSize(TRACEFILE1.size() + 1); |
| int lineIndex = 0; |
| for (String line : fileLines) { |
| if (lineIndex == TRACEFILE1.size()) { |
| break; |
| } |
| assertThat(line).isEqualTo(TRACEFILE1.get(lineIndex++)); |
| } |
| } |
| |
| @Test |
| public void testPrintBrdaLines() throws Exception { |
| SourceFileCoverage sourceFile = new SourceFileCoverage("foo"); |
| sourceFile.addBranch(3, BranchCoverage.createWithBlockAndBranch(3, "0", "0", true, 1)); |
| sourceFile.addBranch(3, BranchCoverage.createWithBlockAndBranch(3, "0", "1", true, 0)); |
| sourceFile.addBranch(7, BranchCoverage.createWithBlockAndBranch(7, "0", "0", false, 0)); |
| sourceFile.addBranch(7, BranchCoverage.createWithBlockAndBranch(7, "0", "1", false, 0)); |
| coverage.add(sourceFile); |
| |
| assertThat(LcovPrinter.print(byteOutputStream, coverage)).isTrue(); |
| Iterable<String> fileLines = Splitter.on('\n').split(byteOutputStream.toString()); |
| assertThat(fileLines) |
| .containsExactly( |
| "SF:foo", |
| "FNF:0", |
| "FNH:0", |
| "BRDA:3,0,0,1", |
| "BRDA:3,0,1,0", |
| "BRDA:7,0,0,-", |
| "BRDA:7,0,1,-", |
| "BRF:4", |
| "BRH:1", |
| "LH:0", |
| "LF:0", |
| "end_of_record", |
| ""); |
| } |
| } |