1 // Copyright 2014 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 package org.chromium.testing.local; 6 7 import org.junit.runner.Description; 8 import org.junit.runner.Result; 9 import org.junit.runner.notification.Failure; 10 import org.junit.runner.notification.RunListener; 11 12 import java.util.HashSet; 13 import java.util.Set; 14 15 /** A JUnit RunListener that emulates GTest output to the extent that it can. 16 */ 17 public class GtestListener extends RunListener { 18 19 private Set<Description> mFailedTests; 20 private final GtestLogger mLogger; 21 private long mRunStartTimeMillis; 22 private long mTestStartTimeMillis; 23 private int mTestsPassed; 24 private boolean mCurrentTestPassed; 25 GtestListener(GtestLogger logger)26 public GtestListener(GtestLogger logger) { 27 mLogger = logger; 28 } 29 30 /** Called before any tests run. 31 */ 32 @Override testRunStarted(Description d)33 public void testRunStarted(Description d) throws Exception { 34 mLogger.testRunStarted(d.testCount()); 35 mRunStartTimeMillis = System.currentTimeMillis(); 36 mTestsPassed = 0; 37 mFailedTests = new HashSet<Description>(); 38 mCurrentTestPassed = true; 39 } 40 41 /** Called after all tests run. 42 */ 43 @Override testRunFinished(Result r)44 public void testRunFinished(Result r) throws Exception { 45 long elapsedTimeMillis = System.currentTimeMillis() - mRunStartTimeMillis; 46 mLogger.testRunFinished(mTestsPassed, mFailedTests, elapsedTimeMillis); 47 } 48 49 /** Called when a test is about to start. 50 */ 51 @Override testStarted(Description d)52 public void testStarted(Description d) throws Exception { 53 mCurrentTestPassed = true; 54 mLogger.testStarted(d); 55 mTestStartTimeMillis = System.currentTimeMillis(); 56 } 57 58 /** Called when a test has just finished. 59 */ 60 @Override testFinished(Description d)61 public void testFinished(Description d) throws Exception { 62 long testElapsedTimeMillis = System.currentTimeMillis() - mTestStartTimeMillis; 63 mLogger.testFinished(d, mCurrentTestPassed, testElapsedTimeMillis); 64 if (mCurrentTestPassed) { 65 ++mTestsPassed; 66 } else { 67 mFailedTests.add(d); 68 } 69 } 70 71 /** Called when a test fails. 72 */ 73 @Override testFailure(Failure f)74 public void testFailure(Failure f) throws Exception { 75 mCurrentTestPassed = false; 76 mLogger.testFailed(f); 77 } 78 79 } 80 81