How to use isThrowableMatching method of org.testng.Interface IExpectedExceptionsHolder class

Best Testng code snippet using org.testng.Interface IExpectedExceptionsHolder.isThrowableMatching

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...12 *13 * @param ite The Throwable thrown by the test14 * @return true if the Throwable is matching with the holder logic, false otherwise15 */​16 boolean isThrowableMatching(Throwable ite);17}...

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isThrowableMatching

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1import org.testng.IExpectedExceptionsHolder;2import org.testng.ITestResult;3import org.testng.TestNGException;4import org.testng.annotations.Test;5import org.testng.internal.reflect.Reflections;6import java.lang.reflect.Method;7import java.util.ArrayList;8import java.util.List;9public class TestNGExceptionTest {10 public void testException() throws Exception {11 List<Throwable> list = new ArrayList<>();12 list.add(new RuntimeException("test1"));13 list.add(new RuntimeException("test2"));14 list.add(new RuntimeException("test3"));15 list.add(new RuntimeException("test4"));16 list.add(new RuntimeException("test5"));17 ITestResult result = new ITestResult() {18 public long getStartMillis() {19 return 0;20 }21 public long getEndMillis() {22 return 0;23 }24 public void setEndMillis(long millis) {25 }26 public void setStartMillis(long millis) {27 }28 public String getName() {29 return null;30 }31 public void setName(String name) {32 }33 public boolean isSuccess() {34 return false;35 }36 public void setStatus(int status) {37 }38 public int getStatus() {39 return 0;40 }41 public Object getAttribute(String name) {42 return null;43 }44 public void setAttribute(String name, Object value) {45 }46 public Object removeAttribute(String name) {47 return null;48 }49 public boolean hasAttributes() {50 return false;51 }52 public String[] getAttributeNames() {53 return new String[0];54 }55 public Object getInstance() {56 return null;57 }58 public void setInstance(Object instance) {59 }60 public Method getMethod() {61 return null;62 }63 public void setMethod(Method method) {64 }65 public Object[] getParameters() {66 return new Object[0];67 }68 public void setParameters(Object[] parameters) {69 }70 public String getTestName() {71 return null;

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isThrowableMatching

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1private def isThrowableMatching(expectedExceptions: Class<? extends Throwable>[], throwable: Throwable): Boolean {2 for (expectedException in expectedExceptions) {3 if (expectedException.isAssignableFrom(throwable.getClass())) {4 }5 }6 }7 private def getTestMethods(methods: Method[]): List<Method> {8 val testMethods = new ArrayList<Method>()9 for (method in methods) {10 if (method.getAnnotation(Test.class) != null) {11 testMethods.add(method)12 }13 }14 }15 private def getTestMethodsHavingExpectedExceptions(methods: Method[]): List<Method> {16 val testMethodsHavingExpectedExceptions = new ArrayList<Method>()17 for (method in methods) {18 if (method.getAnnotation(Test.class) != null) {19 val testAnnotation = method.getAnnotation(Test.class)20 if (testAnnotation.expectedExceptions().length > 0) {21 testMethodsHavingExpectedExceptions.add(method)22 }23 }24 }25 }26 private def getTestMethodsHavingNoExpectedExceptions(methods: Method[]): List<Method> {27 val testMethodsHavingNoExpectedExceptions = new ArrayList<Method>()28 for (method in methods) {29 if (method.getAnnotation(Test.class) != null) {30 val testAnnotation = method.getAnnotation(Test.class)31 if (testAnnotation.expectedExceptions().length == 0) {32 testMethodsHavingNoExpectedExceptions.add(method)33 }34 }35 }36 }37 private def getTestMethodsHavingExpectedExceptionsInClassHierarchy(methods: Method[]): List<Method> {38 val testMethodsHavingExpectedExceptionsInClassHierarchy = new ArrayList<Method>()39 for (method in methods) {40 if (method.getAnnotation(Test.class) !=

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isThrowableMatching

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1 public Object[][] data() {2 return new Object[][] {3 { new IllegalArgumentException("foo") },4 { new IllegalArgumentException("bar") },5 { new IllegalArgumentException("baz") },6 };7 }8 @Test(dataProvider = "data")9 public void testException(Exception e) {10 throw e;11 }12}13at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:83)14at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)15at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)16at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)17at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)18at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)19at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)20at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)21at java.lang.Thread.run(Thread.java:748)22import org.testng.annotations.DataProvider;23import org.testng.annotations.Test;24public class TestException {25 public Object[][] data() {26 return new Object[][] {27 { new IllegalArgumentException("foo") },28 { new IllegalArgumentException("bar") },29 { new IllegalArgumentException("baz") },30 };31 }32 @Test(expectedExceptions = IllegalArgumentException.class, dataProvider = "data")33 public void testException(Exception e) {34 if (isThrowableMatching(IllegalArgumentException.class, e)) {35 System.out.println("Exception matches");36 }37 throw e;38 }39}

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isThrowableMatching

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1public class TestNGExceptionTest {2 private static final Logger logger = LoggerFactory.getLogger(TestNGExceptionTest.class);3 public void testException() {4 logger.info("testException");5 throw new RuntimeException("testException");6 }7 @Test(expectedExceptions = RuntimeException.class)8 public void testExceptionWithExpected() {9 logger.info("testExceptionWithExpected");10 throw new RuntimeException("testExceptionWithExpected");11 }12 public void testExceptionWithExpectedExceptionsHolder() {13 logger.info("testExceptionWithExpectedExceptionsHolder");14 throw new RuntimeException("testExceptionWithExpectedExceptionsHolder");15 }16 public void testExceptionWithExpectedExceptionsHolderAndMatcher() {17 logger.info("testExceptionWithExpectedExceptionsHolderAndMatcher");18 throw new RuntimeException("testExceptionWithExpectedExceptionsHolderAndMatcher");19 }20 public void testExceptionWithExpectedExceptionsHolderAndMatcherAndMessage() {21 logger.info("testExceptionWithExpectedExceptionsHolderAndMatcherAndMessage");22 throw new RuntimeException("testExceptionWithExpectedExceptionsHolderAndMatcherAndMessage");23 }24 public IExpectedExceptionsHolder getExpectedExceptions() {25 return new IExpectedExceptionsHolder() {26 public List<Class<? extends Throwable>> getExpectedExceptions() {27 return Collections.singletonList(RuntimeException.class);28 }29 public List<Class<? extends Throwable>> getUnexpectedExceptions() {30 return Collections.emptyList();31 }32 public List<Class<? extends Throwable>> getExpectedExceptionsHierarchy() {33 return Collections.emptyList();34 }35 public List<Class<? extends Throwable>> getUnexpectedExceptionsHierarchy() {36 return Collections.emptyList();37 }38 public List<Matcher<? extends Throwable>> getExpectedExceptionsMatchers() {39 return Collections.singletonList(new Matcher<Throwable>() {40 public boolean matches(Throwable throwable) {41 return throwable.getMessage().contains("testExceptionWithExpectedExceptionsHolderAndMatcher");42 }43 });44 }45 public List<Matcher<? extends Throwable>> getUnexpectedExceptionsMatchers() {46 return Collections.emptyList();47 }48 };49 }50}

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isThrowableMatching

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1@Test(expectedExceptions = {Exception.class})2public void testExpectedException() throws Exception {3 throw new Exception("Exception thrown");4}5@Test(expectedExceptions = {Exception.class})6public void testExpectedException() throws Exception {7 throw new Exception("Exception thrown");8}9@Test(expectedExceptions = {Exception.class})10public void testExpectedException() throws Exception {11 throw new Exception("Exception thrown");12}13@Test(expectedExceptions = {Exception.class})14public void testExpectedException() throws Exception {15 throw new Exception("Exception thrown");16}17@Test(expectedExceptions = {Exception.class})18public void testExpectedException() throws Exception {19 throw new Exception("Exception thrown");20}21@Test(expectedExceptions = {Exception.class})22public void testExpectedException() throws Exception {23 throw new Exception("Exception thrown");24}25@Test(expectedExceptions = {Exception.class})26public void testExpectedException() throws Exception {27 throw new Exception("Exception thrown");28}29@Test(expectedExceptions = {Exception.class})30public void testExpectedException() throws Exception {31 throw new Exception("Exception thrown");32}33@Test(expectedExceptions = {Exception.class})34public void testExpectedException() throws Exception {35 throw new Exception("Exception thrown");36}

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isThrowableMatching

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1import org.testng.*;2public class TestNGTest implements IExpectedExceptionsHolder {3 @Test(expectedExceptions = RuntimeException.class)4 public void test() {5 throw new RuntimeException("Test");6 }7 public boolean isThrowableMatching(ITestResult result, Class<? extends Throwable> throwable) {8 return true;9 }10}

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isThrowableMatching

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1import org.testng.annotations.Test;2import org.testng.IExpectedExceptionsHolder;3public class TestClassSample implements IExpectedExceptionsHolder {4 public void testMethod() {5 throw new NullPointerException("Message", new IllegalArgumentException("Cause"));6 }7 public Class<? extends Throwable>[] getExpectedExceptions() {8 return new Class[] {NullPointerException.class};9 }10 public boolean isThrowableMatching(Throwable throwable) {11 return throwable.getMessage().equals("Message")12 && throwable.getCause().getMessage().equals("Cause")13 && throwable.getCause() instanceof IllegalArgumentException;14 }15}16public boolean isThrowableMatching(Throwable throwable) {17 return throwable.getMessage().equals("Message")18 && throwable.getCause().getMessage().equals("Cause")19 && throwable.getCause() instanceof IllegalArgumentException;20}21public Class<? extends Throwable>[] getExpectedExceptions() {22 return new Class[] {NullPointerException.class};23}24public boolean isThrowableMatching(Throwable throwable) {25 return throwable.getMessage().equals("Message")26 && throwable.getCause().getMessage().equals("Cause")27 && throwable.getCause() instanceof IllegalArgumentException;28}29public Class<? extends Throwable>[] getExpectedExceptions() {30 return new Class[] {NullPointerException.class};31}32public boolean isThrowableMatching(Throwable throwable) {33 return throwable.getMessage().equals("Message")34 && throwable.getCause().getMessage().equals("Cause")35 && throwable.getCause() instanceof IllegalArgumentException;36}37public Class<? extends Throwable>[] getExpectedExceptions() {38 return new Class[] {NullPointerException.class};39}40public boolean isThrowableMatching(Throwable throwable)

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1import org.testng.annotations.Test;2import org.testng.IExpectedExceptionsHolder;3public class TestClassSample implements IExpectedExceptionsHolder {4 public void testMethod() {5 throw new NullPointerException("Message", new IllegalArgumentException("Cause"));6 }7 public Class<? extends Throwable>[] getExpectedExceptions() {8 return new Class[] {NullPointerException.class};9 }10 public boolean isThrowableMatching(Throwable throwable) {11 return throwable.getMessage().equals("Message")12 && throwable.getCause().getMessage().equals("Cause")13 && throwable.getCause() instanceof IllegalArgumentException;14 }15}16public boolean isThrowableMatching(Throwable throwable) {17 return throwable.getMessage().equals("Message")18 && throwable.getCause().getMessage().equals("Cause")19 && throwable.getCause() instanceof IllegalArgumentException;20}21public Class<? extends Throwable>[] getExpectedExceptions() {22 return new Class[] {NullPointerException.class};23}24public boolean isThrowableMatching(Throwable throwable) {25 return throwable.getMessage().equals("Message")26 && throwable.getCause().getMessage().equals("Cause")27 && throwable.getCause() instanceof IllegalArgumentException;28}29public Class<? extends Throwable>[] getExpectedExceptions() {30 return new Class[] {NullPointerException.class};31}32public boolean isThrowableMatching(Throwable throwable) {33 return throwable.getMessage().equals("Message")34 && throwable.getCause().getMessage().equals("Cause")35 && throwable.getCause() instanceof IllegalArgumentException;36}37public Class<? extends Throwable>[] getExpectedExceptions() {38 return new Class[] {NullPointerException.class};39}40public boolean isThrowableMatching(Throwable throwable)

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1 public Object[][] data() {2 return new Object[][] {3 { new IllegalArgumentException("foo") },4 { new IllegalArgumentException("bar") },5 { new IllegalArgumentException("baz") },6 };7 }8 @Test(dataProvider = "data")9 public void testException(Exception e) {10 throw e;11 }12}13at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:83)14at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)15at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)16at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)17at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)18at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)19at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)20at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)21at java.lang.Thread.run(Thread.java:748)22import org.testng.annotations.DataProvider;23import org.testng.annotations.Test;24public class TestException {25 public Object[][] data() {26 return new Object[][] {27 { new IllegalArgumentException("foo") },28 { new IllegalArgumentException("bar") },29 { new IllegalArgumentException("baz") },30 };31 }32 @Test(expectedExceptions = IllegalArgumentException.class, dataProvider = "data")33 public void testException(Exception e) {34 if (isThrowableMatching(IllegalArgumentException.class, e)) {35 System.out.println("Exception matches");36 }37 throw e;38 }39}

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1import org.testng.*;2public class TestNGTest implements IExpectedExceptionsHolder {3 @Test(expectedExceptions = RuntimeException.class)4 public void test() {5 throw new RuntimeException("Test");6 }7 public boolean isThrowableMatching(ITestResult result, Class<? extends Throwable> throwable) {8 return true;9 }10}

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When you enable parallel then there will be some time between the beforeInvocation and afterInvocation in the logs as you have noticed and that difference in time varies from test to test hence the staggered output.

If what you want is the start and end messages next to each other then you are basically throwing out the time factor and as such can simply add your beforeInvocation message to the afterInvocation method as follows:

public class TestExecutionListener implements IInvokedMethodListener {

    @Override
    public void beforeInvocation(IInvokedMethod iInvokedMethod, ITestResult iTestResult) {
    }

    @Override
    public void afterInvocation(IInvokedMethod iInvokedMethod, ITestResult iTestResult) {
        System.out.println("Testing : " + iInvokedMethod.getTestMethod().getMethodName());
        System.out.println("Successfully Tested : " + iInvokedMethod.getTestMethod().getMethodName());
    }
}

IMO this is the only way to do it as per your spec. However, if there is other information that must be gathered during the tests then perhaps you could buffer some logs in the TestExecutionListener for example:

public class TestExecutionListener implements IInvokedMethodListener {
    private Map<Integer, Deque<String>> logsMap = new HashMap<Integer, Deque<String>>();

    public void log(IInvokedMethod iInvokedMethod, String log) {
        if(!logsMap.containsKey(iInvokedMethod.getId())) {
            logsMap.put(iInvokedMethod.getId(), new ArrayDeque<String>());
        }

        logsMap.get(iInvokedMethod.getId()).add(log);
    }

    @Override
    public void beforeInvocation(IInvokedMethod iInvokedMethod, ITestResult iTestResult) {
        log(iInvokedMethod, "Testing : " + iInvokedMethod.getTestMethod().getMethodName());
    }

    @Override
    public void afterInvocation(IInvokedMethod iInvokedMethod, ITestResult iTestResult) {
        log(iInvokedMethod, "Successfully Tested : " + iInvokedMethod.getTestMethod().getMethodName());

        Deque<String> logs = logsMap.get(iInvokedMethod.getId());
        while(!logs.isEmpty()) {
            System.out.println(logs.poll());
        }
    }
}
https://stackoverflow.com/questions/38987504/getting-sequential-logs-while-executing-tests-in-parallel

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