How to use Interface IInvokedMethodListener class of org.testng package

Best Testng code snippet using org.testng.Interface IInvokedMethodListener

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1package org.testng.internal.invokers;2import org.testng.IInvokedMethod;3import org.testng.IInvokedMethodListener;4import org.testng.IInvokedMethodListener2;5import org.testng.ITestContext;6import org.testng.ITestResult;7import org.testng.collections.Maps;8import java.util.Map;9import static org.testng.internal.invokers.InvokedMethodListenerMethod.AFTER_INVOCATION;10import static org.testng.internal.invokers.InvokedMethodListenerMethod.BEFORE_INVOCATION;11import static org.testng.internal.invokers.InvokedMethodListenerSubtype.EXTENDED_LISTENER;12import static org.testng.internal.invokers.InvokedMethodListenerSubtype.SIMPLE_LISTENER;13/​**14 * Hides complexity of calling methods of {@link IInvokedMethodListener} and15 * {@link IInvokedMethodListener2}.16 *17 * @author Ansgar Konermann18 */​19public class InvokedMethodListenerInvoker {20 private InvokedMethodListenerMethod m_listenerMethod;21 private ITestContext m_testContext;22 private ITestResult m_testResult;23 /​**24 * Creates a new invoker instance which can be used to call the specified {@code listenerMethod}25 * on any number of {@link IInvokedMethodListener}s.26 *27 * @param listenerMethod method which should be called28 * @param testResult test result which should be passed to the listener method upon invocation29 * @param testContext test context which should be passed to the listener method upon invocation.30 * This parameter is only used when calling methods on an {@link IInvokedMethodListener2}.31 */​32 public InvokedMethodListenerInvoker(InvokedMethodListenerMethod listenerMethod,33 ITestResult testResult, ITestContext testContext) {34 m_listenerMethod = listenerMethod;35 m_testContext = testContext;36 m_testResult = testResult;37 }38 /​**39 * Invoke the given {@code listenerInstance}, calling the method specified in the constructor of40 * this {@link InvokedMethodListenerInvoker}.41 *42 * @param listenerInstance the listener instance which should be invoked.43 * @param invokedMethod the {@link IInvokedMethod} instance which should be passed to the44 * {@link IInvokedMethodListener#beforeInvocation(IInvokedMethod, ITestResult)},45 * {@link IInvokedMethodListener#afterInvocation(IInvokedMethod, ITestResult)},46 * {@link IInvokedMethodListener2#beforeInvocation(IInvokedMethod, ITestResult, ITestContext)}47 * or {@link IInvokedMethodListener2#afterInvocation(IInvokedMethod, ITestResult, ITestContext)}48 * method.49 */​50 @SuppressWarnings("unchecked")51 public void invokeListener(IInvokedMethodListener listenerInstance,52 IInvokedMethod invokedMethod) {53 final InvocationStrategy strategy = obtainStrategyFor(listenerInstance, m_listenerMethod);54 strategy.callMethod(listenerInstance, invokedMethod, m_testResult, m_testContext);55 }56 private InvocationStrategy obtainStrategyFor(IInvokedMethodListener listenerInstance,57 InvokedMethodListenerMethod listenerMethod) {58 InvokedMethodListenerSubtype invokedMethodListenerSubtype = InvokedMethodListenerSubtype59 .fromListener(listenerInstance);60 Map<InvokedMethodListenerMethod, InvocationStrategy> strategiesForListenerType = strategies61 .get(invokedMethodListenerSubtype);62 InvocationStrategy invocationStrategy = strategiesForListenerType.get(listenerMethod);63 return invocationStrategy;64 }65 private static interface InvocationStrategy<LISTENER_TYPE extends IInvokedMethodListener> {66 void callMethod(LISTENER_TYPE listener, IInvokedMethod invokedMethod, ITestResult testResult,67 ITestContext testContext);68 }69 private static class InvokeBeforeInvocationWithoutContextStrategy implements70 InvocationStrategy<IInvokedMethodListener> {71 public void callMethod(IInvokedMethodListener listener, IInvokedMethod invokedMethod,72 ITestResult testResult, ITestContext testContext) {73 listener.beforeInvocation(invokedMethod, testResult);74 }75 }76 private static class InvokeBeforeInvocationWithContextStrategy implements77 InvocationStrategy<IInvokedMethodListener2> {78 public void callMethod(IInvokedMethodListener2 listener, IInvokedMethod invokedMethod,79 ITestResult testResult, ITestContext testContext) {80 listener.beforeInvocation(invokedMethod, testResult, testContext);81 }82 }83 private static class InvokeAfterInvocationWithoutContextStrategy implements84 InvocationStrategy<IInvokedMethodListener> {85 public void callMethod(IInvokedMethodListener listener, IInvokedMethod invokedMethod,86 ITestResult testResult, ITestContext testContext) {87 listener.afterInvocation(invokedMethod, testResult);88 }89 }90 private static class InvokeAfterInvocationWithContextStrategy implements91 InvocationStrategy<IInvokedMethodListener2> {92 public void callMethod(IInvokedMethodListener2 listener, IInvokedMethod invokedMethod,93 ITestResult testResult, ITestContext testContext) {94 listener.afterInvocation(invokedMethod, testResult, testContext);95 }96 }97 private static final Map<InvokedMethodListenerSubtype, Map<InvokedMethodListenerMethod,98 InvocationStrategy>> strategies = Maps.newHashMap();99 private static final Map<InvokedMethodListenerMethod, InvocationStrategy>100 INVOKE_WITH_CONTEXT_STRATEGIES = Maps.newHashMap();101 private static final Map<InvokedMethodListenerMethod, InvocationStrategy>102 INVOKE_WITHOUT_CONTEXT_STRATEGIES = Maps.newHashMap();103 static {104 INVOKE_WITH_CONTEXT_STRATEGIES.put(BEFORE_INVOCATION,105 new InvokeBeforeInvocationWithContextStrategy());106 INVOKE_WITH_CONTEXT_STRATEGIES.put(AFTER_INVOCATION,107 new InvokeAfterInvocationWithContextStrategy());108 INVOKE_WITHOUT_CONTEXT_STRATEGIES.put(BEFORE_INVOCATION,109 new InvokeBeforeInvocationWithoutContextStrategy());110 INVOKE_WITHOUT_CONTEXT_STRATEGIES.put(AFTER_INVOCATION,111 new InvokeAfterInvocationWithoutContextStrategy());112 strategies.put(EXTENDED_LISTENER, INVOKE_WITH_CONTEXT_STRATEGIES);113 strategies.put(SIMPLE_LISTENER, INVOKE_WITHOUT_CONTEXT_STRATEGIES);114 }115}...

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1package com.HFramework.utility;2import org.testng.IInvokedMethod;3import org.testng.IInvokedMethodListener;4import org.testng.ISuite;5import org.testng.ISuiteListener;6import org.testng.ITestContext;7import org.testng.ITestListener;8import org.testng.ITestNGMethod;9import org.testng.ITestResult;10import org.testng.Reporter;11public class Listener implements ITestListener, ISuiteListener, IInvokedMethodListener {12 /​*13 * What is Listeners in Selenium WebDriver? 14 * Listener is defined as interface that modifes the default TestNG's behavior. As the name suggests Listeners15 * "listen" to the event defined in the selenium script and behave accordingly.16 * It is used in selenium by implementing Listeners Interface. It allows17 * customizing TestNG reports or logs. There are many types of TestNG listeners18 * available19 * 20 * Types of Listeners in TestNG There are many types of listeners which allows21 * you to change the TestNG's behavior.22 * 23 * Below are the few TestNG listeners:24 * 25 * IAnnotationTransformer , IAnnotationTransformer2 , IConfigurable ,26 * IConfigurationListener , IExecutionListener, IHookable ,27 * IInvokedMethodListener , IInvokedMethodListener2 , IMethodInterceptor ,28 * IReporter, ISuiteListener, ITestListener . Above Interface are called TestNG29 * Listeners. These interfaces are used in selenium to generate logs or30 * customize the Testing reports.31 */​32 /​/​ This belongs to ISuiteListener and will execute before the Suite start33 public void onStart(ISuite isuitestart) {34 Reporter.log("About to begin executing Suite " + isuitestart.getName(), true);35 }36 /​/​ This belongs to ISuiteListener and will execute, once the Suite is finished37 public void onFinish(ISuite isuiteend) {38 Reporter.log("About to end executing Suite " + isuiteend.getName(), true);39 }40 /​/​ This belongs to ITestListener and will execute before starting of Test41 /​/​ set/​batch42 public void onStart(ITestContext iteststart) {43 Reporter.log("About to begin executing Test " + iteststart.getName(), true);44 }45 /​/​ This belongs to ITestListener and will execute, once the Test set/​batch is46 /​/​ finished47 public void onFinish(ITestContext itestend) {48 Reporter.log("Completed executing test " + itestend.getName(), true);49 }50 /​/​ This belongs to ITestListener and will execute only when the test is pass51 public void onTestSuccess(ITestResult itestpass) {52 /​/​ This is calling the printTestResults method53 printTestResults(itestpass);54 }55 /​/​ This belongs to ITestListener and will execute only on the event of fail test56 public void onTestFailure(ITestResult itestfail) {57 /​/​ This is calling the printTestResults method58 printTestResults(itestfail);59 }60 /​/​ This belongs to ITestListener and will execute before the main test start61 /​/​ (@Test)62 public void onTestStart(ITestResult mainiteststart) {63 System.out.println("The execution of the main test starts now");64 }65 /​/​ This belongs to ITestListener and will execute only if any of the main66 /​/​ test(@Test) get skipped67 public void onTestSkipped(ITestResult mainitestskiped) {68 printTestResults(mainitestskiped);69 }70 /​/​ This is just a piece of shit, ignore this71 public void onTestFailedButWithinSuccessPercentage(ITestResult successpercentage) {72 73 System.out.println(successpercentage);74 }75 /​/​ This is the method which will be executed in case of test pass or fail76 /​/​ This will provide the information on the test77 private void printTestResults(ITestResult result) {78 Reporter.log("Test Method resides in " + result.getTestClass().getName(), true);79 if (result.getParameters().length != 0) {80 String params = null;81 for (Object parameter : result.getParameters()) {82 params += parameter.toString() + ",";83 }84 Reporter.log("Test Method had the following parameters : " + params, true);85 }86 String status = null;87 switch (result.getStatus()) {88 case ITestResult.SUCCESS:89 status = "Pass";90 break;91 case ITestResult.FAILURE:92 status = "Failed";93 break;94 case ITestResult.SKIP:95 status = "Skipped";96 }97 Reporter.log("Test Status: " + status, true);98 }99 /​/​ This belongs to IInvokedMethodListener and will execute before every method100 /​/​ including @Before @After @Test101 public void beforeInvocation(IInvokedMethod methodname, ITestResult itestresults) {102 String textMsg = "About to begin executing following method : " + returnMethodName(methodname.getTestMethod());103 Reporter.log(textMsg, true);104 }105 /​/​ This belongs to IInvokedMethodListener and will execute after every method106 /​/​ including @Before @After @Test107 public void afterInvocation(IInvokedMethod arg1, ITestResult arg2) {108 String textMsg = "Completed executing following method : " + returnMethodName(arg1.getTestMethod());109 Reporter.log(textMsg, true);110 }111 /​/​ This will return method names to the calling function112 private String returnMethodName(ITestNGMethod method) {113 return method.getRealClass().getSimpleName() + "." + method.getMethodName();114 }115}...

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1package components.reporting.xray;2import components.testbase.*;3import org.testng.*;4/​**5 * The listener interface for receiving Xray events.6 * The Listener can be automatically invoked when TestNG tests are run by using ServiceLoader mechanism.7 * You can also add this listener to a TestNG Test class by adding8 * <code>@Listeners({com.xpand.java.XrayAnnotationListener.class})</​code>9 * before the test class10 *11 * @see Xray12 */​13public class XrayListener extends TestBase implements IInvokedMethodListener, ITestListener {14 boolean testSuccess = true;15 /​* (non-Javadoc)16 * @see org.testng.IInvokedMethodListener#beforeInvocation(org.testng.IInvokedMethod, org.testng.ITestResult)17 */​18 public void beforeInvocation(IInvokedMethod method, ITestResult testResult) {19 if(method.isTestMethod() && annotationPresent(method, Xray.class) ) {20 testResult.setAttribute("requirement", method.getTestMethod().getConstructorOrMethod().getMethod().getAnnotation(Xray.class).requirement());21 testResult.setAttribute("test", method.getTestMethod().getConstructorOrMethod().getMethod().getAnnotation(Xray.class).test());22 testResult.setAttribute("labels", method.getTestMethod().getConstructorOrMethod().getMethod().getAnnotation(Xray.class).labels());23 }24 }25 private boolean annotationPresent(IInvokedMethod method, Class clazz) {26 boolean retVal = method.getTestMethod().getConstructorOrMethod().getMethod().isAnnotationPresent(clazz) ? true : false;27 return retVal;28 }29 /​* (non-Javadoc)30 * @see org.testng.IInvokedMethodListener#afterInvocation(org.testng.IInvokedMethod, org.testng.ITestResult)31 */​32 public void afterInvocation(IInvokedMethod method, ITestResult testResult) {33 if(method.isTestMethod()) {34 if( !testSuccess ) {35 testResult.setStatus(ITestResult.FAILURE);36 testResult.setAttribute("env",System.getProperty("testedEnv"));37 testResult.setAttribute("version",System.getProperty("ActualVersion"));38 }39 }40 }41 public void onTestStart(ITestResult result) {42 /​/​ TODO Auto-generated method stub43 }44 public void onTestSuccess(ITestResult result) {45 /​/​ TODO Auto-generated method stub46 }47 public void onTestFailure(ITestResult result) {48 /​/​ TODO Auto-generated method stub49 }50 public void onTestSkipped(ITestResult result) {51 /​/​ TODO Auto-generated method stub52 }53 public void onTestFailedButWithinSuccessPercentage(ITestResult result) {54 /​/​ TODO Auto-generated method stub55 }56 public void onStart(ITestContext context) {57 }58 public void onFinish(ITestContext context) {59 /​/​ TODO Auto-generated method stub60 }61}...

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1package omelet.support.saucelabs;2import omelet.driver.Driver;3import org.apache.log4j.Logger;4import org.openqa.selenium.remote.RemoteWebDriver;5import org.testng.IInvokedMethod;6import org.testng.IInvokedMethodListener;7import org.testng.ITestResult;8import org.testng.Reporter;9public class SauceLabsIntegration implements IInvokedMethodListener {10 private static final Logger LOGGER = Logger11 .getLogger(SauceLabsIntegration.class);12 @Override13 public void afterInvocation(IInvokedMethod method, ITestResult testResult) {14 try {15 /​/​ it will throw Null pointer exception for the method who are not16 /​/​ omelet driven , should be fixed as using try catch is a temporary17 /​/​ one!18 if (Driver.getBrowserConf().host().contains("sauce")19 && Driver.getBrowserConf().isRemoteFlag()) {20 RemoteWebDriver driver = (RemoteWebDriver) Driver.getDriver();21 LOGGER.debug("After in SL Integration driver Session ID: "22 + driver.getSessionId());23 WebInterface slWebInterface = new WebInterface();24 slWebInterface.updateSauceLabsJob(driver.getSessionId()25 .toString(), method.getTestMethod().getMethodName(),26 method.getTestResult().isSuccess());27 Reporter.setCurrentTestResult(testResult);28 Reporter.log("SauceLabs Report :: ");29 Reporter.log(slWebInterface.generateLinkForJob(driver30 .getSessionId().toString()));31 /​/​ Reporter.log(slWebInterface.generateLinkForEmbedScript(driver32 /​/​ .getSessionId().toString(), true));33 /​/​ Reporter.log("<br>");34 /​/​ Reporter.log("SauceLabs Video :: "35 /​/​ + slWebInterface.generateLinkForEmbedScript(driver36 /​/​ .getSessionId().toString(), false));37 Reporter.log("<br>");38 }39 } catch (Exception e) {40 LOGGER.error("Not to interfere in the test result!, but needs to be taken care!");41 }42 }43 @Override44 public void beforeInvocation(IInvokedMethod arg0, ITestResult arg1) {45 }46}...

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1package org.testng.internal.invokers;2import org.testng.IInvokedMethodListener;3import org.testng.IInvokedMethodListener2;4import org.testng.TestNGException;5/​**6 * Indicates whether a {@link InvokedMethodListenerMethod} is to be called on a simple or an7 * extended invoked method listener. All {@link IInvokedMethodListener}s are considered8 * {@link #SIMPLE_LISTENER}, instances of {@link IInvokedMethodListener2} are all considered9 * {@link #EXTENDED_LISTENER}.10 *11 * @author Ansgar Konermann12 */​13enum InvokedMethodListenerSubtype {14 EXTENDED_LISTENER(IInvokedMethodListener2.class),15 SIMPLE_LISTENER(IInvokedMethodListener.class);16 private Class<? extends IInvokedMethodListener> m_matchingInterface;17 private InvokedMethodListenerSubtype(Class<? extends IInvokedMethodListener> listenerClass) {18 m_matchingInterface = listenerClass;19 }20 private boolean isInstance(IInvokedMethodListener listenerInstance) {21 return m_matchingInterface.isInstance(listenerInstance);22 }23 public static InvokedMethodListenerSubtype fromListener(IInvokedMethodListener listenerInstance) {24 if (EXTENDED_LISTENER.isInstance(listenerInstance)) {25 return EXTENDED_LISTENER;26 }27 else if (SIMPLE_LISTENER.isInstance(listenerInstance)) {28 return SIMPLE_LISTENER;29 }30 throw new TestNGException("Illegal " + IInvokedMethodListener.class.getSimpleName()31 + " instance: " + listenerInstance.getClass().getName() + ".");32 }33}...

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1package com.nordstrom.automation.testng;23import org.testng.IInvokedMethod;4import org.testng.IInvokedMethodListener;5import org.testng.ITestResult;67/​**8 * This interface extends {@link IInvokedMethodListener} without adding any new method signatures. While any class that9 * implements {@link IInvokedMethodListenerEx} can be activated as an invoked method listener, the intended target for10 * this interface is test classes whose execution will be orchestrated by {@link ExecutionFlowController}. During test11 * execution, the execution flow controller forwards calls received by its own {@link #beforeInvocation(IInvokedMethod,12 * ITestResult)} and {@link #afterInvocation(IInvokedMethod, ITestResult)} implementations to those of the test class.13 * 14 * @see ExecutionFlowController15 * @see IInvokedMethodListener16 */​17public interface IInvokedMethodListenerEx extends IInvokedMethodListener {1819} ...

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Interface IInvokedMethodListener

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1import org.testng.IInvokedMethod;2import org.testng.IInvokedMethodListener;3import org.testng.ITestResult;4import org.testng.annotations.Test;5public class TestNGListenerDemo implements IInvokedMethodListener {6 public void beforeInvocation(IInvokedMethod method, ITestResult testResult) {7 System.out.println("About to begin executing following method : " + testResult.getTestClass().getName() + " => " + method.getTestMethod().getMethodName());8 }9 public void afterInvocation(IInvokedMethod method, ITestResult testResult) {10 System.out.println("Completed executing following method : " + testResult.getTestClass().getName() + " => " + method.getTestMethod().getMethodName());11 }12}13import org.testng.ITestContext;14import org.testng.ITestListener;15import org.testng.ITestResult;16public class TestNGListenerDemo implements ITestListener {17 public void onFinish(ITestContext result) {18 System.out.println("Test Suite execution is finished.");19 }20 public void onStart(ITestContext result) {21 System.out.println("Test Suite execution is started.");22 }23 public void onTestFailedButWithinSuccessPercentage(ITestResult result) {24 System.out.println("onTestFailedButWithinSuccessPercentage for " + result.getMethod().getMethodName());25 }26 public void onTestFailure(ITestResult result) {27 System.out.println("onTestFailure for " + result.getMethod().getMethodName());28 }29 public void onTestSkipped(ITestResult result) {30 System.out.println("onTestSkipped for " + result.getMethod().getMethodName());31 }32 public void onTestStart(ITestResult result) {33 System.out.println("onTestStart for " + result.getMethod().getMethodName());34 }35 public void onTestSuccess(ITestResult result) {36 System.out.println("onTestSuccess for " + result.getMethod().getMethodName());37 }38}39import org.testng.ISuite;40import org.testng.ISuiteListener;41public class TestNGListenerDemo implements ISuiteListener {42 public void onFinish(ISuite suite) {

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Interface IInvokedMethodListener

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1package com.testng;2import org.testng.IInvokedMethod;3import org.testng.IInvokedMethodListener;4import org.testng.ITestResult;5import org.testng.annotations.Test;6public class TestNGListener implements IInvokedMethodListener {7 public void beforeInvocation(IInvokedMethod method, ITestResult testResult) {8 System.out.println("Before Invocation of Method :"+method.getTestMethod().getMethodName());9 }10 public void afterInvocation(IInvokedMethod method, ITestResult testResult) {11 System.out.println("After Invocation of Method :"+method.getTestMethod().getMethodName());12 }13}14package com.testng;15import org.testng.annotations.Listeners;16import org.testng.annotations.Test;17@Listeners(com.testng.TestNGListener.class)18public class TestNG {19 public void test1()20 {21 System.out.println("Test 1");22 }23 public void test2()24 {25 System.out.println("Test 2");26 }27 public void test3()28 {29 System.out.println("Test 3");30 }31}32public void onTestStart(ITestResult result);33public void onTestSuccess(ITestResult result);34public void onTestFailure(ITestResult result);35public void onTestSkipped(ITestResult result);36public void onTestFailedButWithinSuccessPercentage(ITestResult result);37public void onStart(ITestContext context);38public void onFinish(ITestContext context);

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Interface IInvokedMethodListener

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1public class TestNGListeners implements IInvokedMethodListener {2public void beforeInvocation(IInvokedMethod method, ITestResult testResult) {3String textMsg = "About to begin executing following method : " + returnMethodName(method.getTestMethod());4System.out.println(textMsg);5ExtentTestManager.getTest().log(LogStatus.INFO, textMsg);6}7public void afterInvocation(IInvokedMethod method, ITestResult testResult) {8String textMsg = "Completed executing following method : " + returnMethodName(method.getTestMethod());9System.out.println(textMsg);10ExtentTestManager.getTest().log(LogStatus.INFO, textMsg);11}12private String returnMethodName(ITestNGMethod method) {13return method.getRealClass().getSimpleName() + "." + method.getMethodName();14}15}16package com.qa.testbase; import com.relevantcodes.extentreports.ExtentReports; import com.relevantcodes.extentreports.ExtentTest; public class ExtentTestManager { static ExtentReports extent = ExtentManager.getReporter(); static ExtentTest test; public static synchronized ExtentTest getTest() { return test; } public static synchronized void endTest() { extent.endTest(test); } public static synchronized ExtentTest startTest(String testName, String desc) { test = extent.startTest(testName, desc); return test; } }

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classesToRun is a list of XmlClass, It can't be cast to a single XmlClass. You need to iterate over the list

for (XmlClass xmlClass : classesToRun) {
    xmlClass.setIncludedMethods(methodsToRun);
}
https://stackoverflow.com/questions/55948610/java-util-arraylist-cannot-be-cast-to-org-testng-xml-xmlclass-this-error-is-th

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