org.junit.runner.Result#getFailureCount()源码实例Demo

public static void main(String[] args)
{
    Class<?> clazz = MethodHandles.lookup().lookupClass();
    Result result = new JUnitCore().run(clazz);
    int exitCode;
    if (result.getFailureCount() > 0)
    {
        Logger logger = LoggerFactory.getLogger(clazz);
        result.getFailures().forEach(f ->
        {
            logger.error("Failure: {}", f);
            logger.error(f.getTrace());
        });
        exitCode = ERROR_EXIT_CODE;
    }
    else
    {
        exitCode = calculateExitCode(BeanFactory.getBean(IRunStatusProvider.class).getRunStatus());
    }
    System.exit(exitCode);
}
 

/**
 * Updates the current state of <code>this</code> with the <code>result</code>.
 *
 * @param testClass The test class executed.
 * @param result The results of the test class execution.
 * @return <code>this</code>
 */
public TestResults merge(Class<?> testClass, Result result) {
  LOG.info("Tests run: {}, Failures: {}, Skipped: {}, Time elapsed: {} - in {}",
      result.getRunCount(), result.getFailureCount(), result.getIgnoreCount(),
      TimeUnit.SECONDS.convert(result.getRunTime(), TimeUnit.MILLISECONDS),
      testClass.getName());

  numRun += result.getRunCount();
  numFailed += result.getFailureCount();
  numIgnored += result.getIgnoreCount();

  // Collect the failures
  if (!result.wasSuccessful()) {
    failures.addAll(result.getFailures());
  }

  return this;
}
 

private boolean isSynthesisPossible(final Result firstResultWithFalse, final Result secondResultWithTrue) {
  	// this method is a key optimization in Nopol
// it enables to not start the synthesis when we are sure that it is not possible
// only based on the observed test outcomes with angelic values

      Collection<Description> testFailuresWithFalse = TestSuiteExecution.collectDescription(firstResultWithFalse.getFailures());
      Collection<Description> testFailuresWithTrue = TestSuiteExecution.collectDescription(secondResultWithTrue.getFailures());

      // contract: all test failures must either in testFailuresWithFalse or in secondFailures
// removes from testFailuresWithFalse all of its elements that are not contained in testFailuresWithTrue
// consequently, it remains the elements that are always failing
Collection<Description> testsThatAreAlwasyFailing = new ArrayList<>(testFailuresWithFalse);
testsThatAreAlwasyFailing.retainAll(testFailuresWithTrue);

      boolean synthesisIsPossible = testsThatAreAlwasyFailing.isEmpty();

      // some logging
      int nbFirstSuccess = firstResultWithFalse.getRunCount() - firstResultWithFalse.getFailureCount();
      int nbSecondSuccess = secondResultWithTrue.getRunCount() - secondResultWithTrue.getFailureCount();
      if (!synthesisIsPossible || (nbFirstSuccess == 0 && nbSecondSuccess == 0)) {
          Logger testsOutput = LoggerFactory.getLogger("tests.output");
          testsOutput.debug("Failing tests with false: \n{}", firstResultWithFalse.getFailures());
          testsOutput.debug("Failing tests with true: \n{}", secondResultWithTrue.getFailures());
      }
      return synthesisIsPossible;
  }
 

/**
 * Runs the test classes given in {@param classes}.
 *
 * @returns Zero if all tests pass, non-zero otherwise.
 */
public static int run(Class[] classes, RunListener listener, PrintStream out) {
    JUnitCore junitCore = new JUnitCore();
    junitCore.addListener(listener);
    boolean hasError = false;
    int numTests = 0;
    int numFailures = 0;
    long start = System.currentTimeMillis();
    for (@AutoreleasePool Class c : classes) {
        out.println("Running " + c.getName());
        Result result = junitCore.run(c);
        numTests += result.getRunCount();
        numFailures += result.getFailureCount();
        hasError = hasError || !result.wasSuccessful();
    }
    long end = System.currentTimeMillis();
    out.println(String.format("Ran %d tests, %d failures. Total time: %s seconds", numTests, numFailures,
            NumberFormat.getInstance().format((double) (end - start) / 1000)));
    return hasError ? 1 : 0;
}
 

public static void main(String []argv)
{
	int maxIterations = 10;
    JUnitCore junit = new JUnitCore();
    Result result = null;
    int iter = 0;
    do
    {
    	result = junit.run(Request.method(TraversalsTests.class, "testDepthFirstOnCircle"));
    	iter++;
    	System.out.println("Failures " + result.getFailureCount());
     if (result.getFailureCount() > 0)
     {
         for (Failure failure : result.getFailures())
         {
             failure.getException().printStackTrace();
         }
     }
    } while (result.getFailureCount() == 0 && iter < maxIterations);
}
 

public static void main(String []argv)
{
	JUnitCore junit = new JUnitCore();
	Result result = null;
	do
	{
		result = junit.run(Request.method(PropertyIndexingTests.class, "derivedPropertyIndexing"));
	} while (result.getFailureCount() == 0 && false);
	System.out.println("Failures " + result.getFailureCount());
	if (result.getFailureCount() > 0)
	{
		for (Failure failure : result.getFailures())
		{
			failure.getException().printStackTrace();
		}
	}
	System.exit(0);
}
 

public String createOutput(Result r) {
	String out = "[";
	int count = 0;
	int failures = 0;
	try {
		for (Failure f : r.getFailures()) {
			String s = failureMessage(f);
			if (!s.startsWith("warning")) {
				failures++;
			}
			out += s + "-,";
			count++;
			if (count > 10) {
				out += "...and " + (r.getFailureCount() - 10) + " failures more,";
				// break;
			}
		}
	} catch (Exception e) {
		// We do not care about this exception,
	}
	out = out + "]";
	return (OUTSEP + r.getRunCount() + OUTSEP + failures + OUTSEP + out + OUTSEP);
}
 

@Test
public void testShardingIsSupported() {
  config = createConfig();
  shardingEnvironment = mock(ShardingEnvironment.class);
  shardingFilters = new FakeShardingFilters(
      Description.createTestDescription(SamplePassingTest.class, "testThatAlwaysPasses"),
      Description.createTestDescription(SampleFailingTest.class, "testThatAlwaysFails"));

  when(shardingEnvironment.isShardingEnabled()).thenReturn(true);

  JUnit4Runner runner = createRunner(SampleSuite.class);
  Result result = runner.run();

  verify(shardingEnvironment).touchShardFile();

  assertThat(result.getRunCount()).isEqualTo(2);
  if (result.getFailureCount() > 1) {
    fail("Too many failures: " + result.getFailures());
  }
  assertThat(result.getFailureCount()).isEqualTo(1);
  assertThat(result.getIgnoreCount()).isEqualTo(0);
  assertThat(runner.getModel().getNumTestCases()).isEqualTo(2);
}
 

protected boolean runBootstrapTest(RunNotifier notifier, TestClass testClass) {
    if (!runningBootstrapTest.get().booleanValue()) {
        runningBootstrapTest.set(Boolean.TRUE);
        try {
            BootstrapTest bootstrapTest = getBootstrapTestAnnotation(testClass.getJavaClass());
            if (bootstrapTest != null) {
                Result result = JUnitCore.runClasses(bootstrapTest.value());
                List<Failure> failures = result.getFailures();
                for (Failure failure : failures) {
                    notifier.fireTestFailure(failure);
                }
                return result.getFailureCount() == 0;
            } else {
                throw new IllegalStateException("LoadTimeWeavableTestRunner, must be coupled with an @BootstrapTest annotation to define the bootstrap test to execute.");
            }
        } finally {
            runningBootstrapTest.set(Boolean.FALSE);
        }
    }
    return true;
}
 

public static void main(String[] args) {
  try {
    H2O.main(args);
    TestUtil.stall_till_cloudsize(3);
    List<Class> tests = JUnitRunner.all();
    Result r = org.junit.runner.JUnitCore.runClasses(tests.toArray(new Class[0]));
    if( r.getFailureCount() == 0 ) {
      System.out.println("Successfully ran the following tests in " + (r.getRunTime() / 1000) + "s");
      for( Class c : tests )
        System.out.println(c.getName());
    } else {
      for( Failure f : r.getFailures() ) {
        System.err.println(f.getDescription());
        if( f.getException() != null )
          f.getException().printStackTrace();
      }
    }
    System.exit(r.getFailureCount());
  } catch( Throwable t ) {
    t.printStackTrace();
    System.exit(1);
  }
}
 

public UnitTestResult(Result jr) {
    this.runCount = jr.getRunCount();
    this.failureCount = jr.getFailureCount();
    this.runTime = jr.getRunTime();
    this.ignoreCount = jr.getIgnoreCount();
    this.successful = jr.wasSuccessful();
}
 

public TestResult(Result result) {
    runCount = result.getRunCount();
    failureCount = result.getFailureCount();
    ignoreCount = result.getIgnoreCount();
    runTime = result.getRunTime();
    if (!wasSuccessful()) {
        throwable = result.getFailures().get(0).getException();
    }
}
 

private void computeMethodCoverage() throws IOException{
	JUnitRuntime runtime = new JUnitRuntime(_subject);
	String src = _subject.getHome() + _subject.getSsrc();
	MethodInstrumentVisitor methodInstrumentVisitor = new MethodInstrumentVisitor();
	Instrument.execute(src, methodInstrumentVisitor);
	
	if(!Runner.compileSubject(_subject)){
		System.err.println("Build project failed!");
		System.exit(0);
	}
	
	System.out.println("Passed test classes : " + _localization.getPassedTestCases().size());
	for(String test : _localization.getPassedTestCases()){
		String[] testStr = test.split("#");
		String clazz = testStr[0];
		String methodName = testStr[1];
		OutStream outStream = new OutStream();
		Result result = JUnitEngine.getInstance(runtime).test(clazz, methodName, new PrintStream(outStream));
		if(result.getFailureCount() > 0){
			System.out.println("Error : Passed test cases running failed ! => " + clazz);
			System.exit(0);
		}
		for(Integer method : outStream.getOut()){
			Set<Pair<String, String>> tcases = _passedTestCasesMap.get(method);
			if(tcases == null){
				tcases = new HashSet<>();
			}
			tcases.add(new Pair<String, String>(clazz, methodName));
			_passedTestCasesMap.put(method, tcases);
		}
	}
	// restore source file
	_subject.restore();
}
 

protected void assertFailureCount(int expected, Result result) {
  if (result.getFailureCount() != expected) {
    StringBuilder b = new StringBuilder();
    for (Failure f : result.getFailures()) {
      b.append("\n\n");
      b.append(f.getMessage());
      b.append("\n");
      b.append(f.getTrace());
    }
    Assert.assertFalse("Expected failures: " + expected + " but was " + 
        result.getFailureCount() + ", failures below: " + b.toString(), true);
  }
}
 

private static void checkThatAllTestsPass(Class<?> TEST_CLASS) {
	resetAllSelectors();
	JUnitCore core = new JUnitCore();
	Result result = core.run(TEST_CLASS);
	if (result.getFailureCount()>0) {
		// oops the tests are not valid before
		throw new RuntimeException("oops it does not pass anymore", result.getFailures().get(0).getException());
	}
}
 

private boolean executeTestAndCollectRuntimeValues(Object result,
												   TestCase currentTest, ClassLoader unitTestClassLoader,
												   SpecificationTestCasesListener<T> listener) {

	LoggingInstrumenter.setValue(result);
	Result testResult = TestSuiteExecution.runTestCase(currentTest,
			unitTestClassLoader, listener, nopolContext);
	if (testResult.getFailureCount() == 0) {
		return true;
	}
	return false;
}
 

public static void main(String [] argv)
{
	JUnitCore junit = new JUnitCore();
	Result result = null;
	result = junit.run(Request.method(TestParser.class, "malformedTest4"));
	if (result.getFailureCount() > 0)
	{
		for (Failure failure : result.getFailures())
		{
			failure.getException().printStackTrace();
		}
	}
	System.exit(0);
	
}
 

public static void run(final Class... suites) {

    boolean underTC = System.getenv(TEAMCITY_DETECT_VAR_NAME) != null;

    // prepare junit
    JUnitSystem system = new RealSystem();
    JUnitCore core = new JUnitCore();
    RunListener listener = underTC ? new TeamCityListener() : new TextListener(system);
    core.addListener(listener);

    int success = 0,
        failures = 0,
        ignores = 0;

    // run tests
    for (Class suite : suites) {
      sayNothing();
      String suiteName = suite.getSimpleName();
      if (suiteName.endsWith("Tests")) suiteName = suiteName.substring(0, suiteName.length()-"Tests".length());
      if (suiteName.endsWith("Integration")) suiteName = suiteName.substring(0, suiteName.length()-"Integration".length());
      if (suiteParameter != null) suiteName = suiteName + '[' + suiteParameter + ']';

      if (underTC) say("##teamcity[testSuiteStarted name='%s']", suiteName);

      Result result = core.run(suite);

      success += result.getRunCount() - (result.getFailureCount() + result.getIgnoreCount());
      failures += result.getFailureCount();
      ignores += result.getIgnoreCount();

      if (underTC) say("##teamcity[testSuiteFinished name='%s']", suiteName);
      sayNothing();
    }
  }
 

@Test
public void test() {
    Request request = Request.method(testMethod.getDeclaringClass(), testMethod.getName());
    Result result = new JUnitCore().run(request);
    if (result.getIgnoreCount() > 0)
        throw new AssumptionViolatedException("Test " + testMethod.getDeclaringClass()
                + "." + testMethod.getName() + " were ignored");
    if (result.getFailureCount() > 0) {
        Assert.fail(result.getFailures().toString());
    }
}
 

private static int getFailureCount(Result result) {
    if (result == null) {
        return -1;
    }
    return result.getFailureCount();
}