How to use testFailed method of junit.runner.Interface TestRunListener class

Best junit code snippet using junit.runner.Interface TestRunListener.testFailed

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...345 }346 public synchronized void testEnded(TestCaseReference ref) {347 mListener.notifyTestEnded(ref);348 }349 public synchronized void testFailed(TestReferenceFailure ref) {350 mListener.notifyTestFailed(ref);351 }352 public synchronized void testRunEnded(String mDeviceName, long elapsedTime) {353 mCompletedRuns++;354 if (elapsedTime > mMaxElapsedTime) {355 mMaxElapsedTime = elapsedTime;356 }357 if (mCompletedRuns == mDeviceCount) {358 notifyTestRunEnded(mMaxElapsedTime);359 }360 }361 public synchronized void testStarted(TestCaseReference testId) {362 mListener.notifyTestStarted(testId);363 }364 }365 /​**366 * TestRunListener that communicates results in real-time back to JDT JUnit via the367 * {@link TestResultsNotifier}.368 * */​369 private class TestRunListener implements ITestRunListener {370 private final String mDeviceName;371 private TestResultsNotifier mNotifier;372 /​**373 * Constructs a {@link ITestRunListener} that listens for test results on given device.374 * @param deviceName device on which the tests are being run375 * @param notifier notifier to inform of test status376 */​377 public TestRunListener(String deviceName, TestResultsNotifier notifier) {378 mDeviceName = deviceName;379 mNotifier = notifier;380 }381 @Override382 public void testEnded(TestIdentifier test, Map<String, String> ignoredTestMetrics) {383 mNotifier.testEnded(new TestCaseReference(mDeviceName, test));384 }385 @Override386 public void testFailed(TestIdentifier test, String trace) {387 TestReferenceFailure failure =388 new TestReferenceFailure(new TestCaseReference(mDeviceName, test),389 MessageIds.TEST_FAILED, trace, null);390 mNotifier.testFailed(failure);391 }392 @Override393 public void testAssumptionFailure(TestIdentifier test, String trace) {394 TestReferenceFailure failure =395 new TestReferenceFailure(new TestCaseReference(mDeviceName, test),396 MessageIds.TEST_FAILED, trace, null);397 mNotifier.testFailed(failure);398 }399 @Override400 public void testIgnored(TestIdentifier test) {401 /​/​ TODO: implement me?402 }403 @Override404 public synchronized void testRunEnded(long elapsedTime, Map<String, String> runMetrics) {405 mNotifier.testRunEnded(mDeviceName, elapsedTime);406 AdtPlugin.printToConsole(mLaunchInfo.getProject(),407 LaunchMessages.RemoteAdtTestRunner_RunCompleteMsg);408 }409 @Override410 public synchronized void testRunFailed(String errorMessage) {411 reportError(errorMessage);...

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...13 void testStarted(String paramString);14 15 void testEnded(String paramString);16 17 void testFailed(int paramInt, String paramString1, String paramString2);18}19/​* Location: D:\APPS\yazan\JPBY.jar!\junit\runner\TestRunListener.class20 * Java compiler version: 5 (49.0)21 * JD-Core Version: 1.1.322 */​...

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testFailed

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1import junit.framework.Test;2import junit.framework.TestSuite;3import junit.runner.TestRunListener;4import junit.textui.TestRunner;5import junit.textui.TestRunner;6import org.junit.runner.JUnitCore;7import org.junit.runner.Request;8import org.junit.runner.Result;9import org.junit.runner.notification.Failure;10public class TestRunner extends TestRunListener {11 public static void main(String[] args) {12 JUnitCore core = new JUnitCore();13 core.addListener(new TestRunner());14 Request request = Request.aClass(TestSuite.class);15 Result result = core.run(request);16 if (result.getFailureCount() > 0) {17 System.out.println("There were " + result.getFailureCount() + " failed tests");18 for (Failure failure : result.getFailures()) {19 System.out.println("Failed test: " + failure.toString());20 }21 }22 }23 public void testFailed(int status, Test test, Throwable t) {24 System.out.println("Failed test: " + test.toString());25 }26}

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testFailed

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1class TestFailedListener implements junit.runner.Interface.TestRunListener {2 public void testFailed(String testName, Throwable t) {3 System.out.println("Test failed: " + testName)4 t.printStackTrace()5 }6}7def listener = new TestFailedListener()8class Test {9 def test() {10 throw new Exception("test failed")11 }12}13def test = new Test()14junit.runner.BaseTestRunner.runTest(test, listener)15class Test2 {16 def test() {17 }18}19def test2 = new Test2()20junit.runner.BaseTestRunner.runTest(test2, listener)

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Had the same message. I had to remove the Run/Debug configuration.

In my case, I ran the unit test as a local test before. After that I moved my test to the androidTest package and tried to run it again. Android Studio remembered the last run configuration so it tried to run it again as a local unit test which produced the same error.

After removing the config and running the test again it generated a new configuration and worked.

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https://stackoverflow.com/questions/39282282/class-not-found-empty-test-suite-in-intellij

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