How to use Interface IMethodInterceptor class of org.testng package

Best Testng code snippet using org.testng.Interface IMethodInterceptor

Source:AbstractListenerChain.java Github

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1package com.nordstrom.automation.testng;2import java.lang.annotation.Annotation;3import java.lang.reflect.Constructor;4import java.lang.reflect.InvocationTargetException;5import java.lang.reflect.Method;6import java.util.ArrayList;7import java.util.Collections;8import java.util.HashSet;9import java.util.List;10import java.util.Objects;11import java.util.ServiceLoader;12import java.util.Set;13import org.testng.IAnnotationTransformer;14import org.testng.IClassListener;15import org.testng.IConfigurationListener;16import org.testng.IExecutionListener;17import org.testng.IInvokedMethod;18import org.testng.IInvokedMethodListener;19import org.testng.IMethodInstance;20import org.testng.IMethodInterceptor;21import org.testng.ISuite;22import org.testng.ISuiteListener;23import org.testng.ITestClass;24import org.testng.ITestContext;25import org.testng.ITestListener;26import org.testng.ITestNGListener;27import org.testng.ITestResult;28import org.testng.annotations.ITestAnnotation;29import com.google.common.base.Optional;30import com.google.common.collect.Lists;31/**32 * This TestNG listener enables the addition of other listeners at runtime and guarantees the order in which they're33 * invoked. This is similar in behavior to a JUnit rule chain.34 */35public abstract class AbstractListenerChain implements IAnnotationTransformer, IExecutionListener, ISuiteListener,36 IConfigurationListener, IInvokedMethodListener, ITestListener, IMethodInterceptor, IClassListener {37 38 private Set<Class<?>> markedClasses = Collections.synchronizedSet(new HashSet<Class<?>>());39 private Set<Class<? extends ITestNGListener>> listenerSet = 40 Collections.synchronizedSet(new HashSet<Class<? extends ITestNGListener>>());41 42 protected List<ITestNGListener> listeners;43 protected List<IAnnotationTransformer> annotationXformers;44 protected List<IExecutionListener> executionListeners;45 protected List<ISuiteListener> suiteListeners;46 protected List<IConfigurationListener> configListeners;47 protected List<IInvokedMethodListener> methodListeners;48 protected List<ITestListener> testListeners;49 protected List<IMethodInterceptor> methodInterceptors;50 protected List<IClassListener> classListeners;51 52 private static final String LISTENER_CHAIN = "ListenerChain";53 54 public AbstractListenerChain() {55 initialize();56 for (LinkedListener listener : ServiceLoader.load(LinkedListener.class)) {57 attachListener(null, listener);58 }59 }60 /**61 * [IAnnotationTransformer]62 * This method will be invoked by TestNG to give you a chance to modify a TestNG annotation read from your test63 * classes. You can change the values you need by calling any of the setters on the ITest interface. Note that64 * only one of the three parameters testClass, testCtor and testMethod will be non-null.65 * 66 * @param annotation The annotation that was read from your test class.67 * @param testClass If the annotation was found on a class, this parameter represents this class (null otherwise).68 * @param testCtor If the annotation was found on a constructor, this parameter represents this constructor (null69 * otherwise).70 * @param testMethod If the annotation was found on a method, this parameter represents this method (null71 * otherwise).72 */73 @Override74 @SuppressWarnings("rawtypes")75 public void transform(ITestAnnotation annotation, Class testClass, Constructor testCtor, Method testMethod) {76 attachListeners(testClass, testCtor, testMethod);77 78 synchronized(annotationXformers) {79 for (IAnnotationTransformer annotationXformer : annotationXformers) {80 annotationXformer.transform(annotation, testClass, testCtor, testMethod);81 }82 }83 }84 /**85 * [IExecutionListener]86 * Invoked before the TestNG run starts.87 */88 @Override89 public void onExecutionStart() {90 synchronized(executionListeners) {91 for (IExecutionListener executionListener : executionListeners) {92 executionListener.onExecutionStart();93 }94 }95 }96 /**97 * [IExecutionListener]98 * Invoked once all the suites have been run.99 */100 @Override101 public void onExecutionFinish() {102 synchronized(executionListeners) {103 for (IExecutionListener executionListener : executionListeners) {104 executionListener.onExecutionFinish();105 }106 }107 }108 109 /**110 * [ISuiteListener]111 * This method is invoked before the SuiteRunner starts.112 * 113 * @param suite current test suite114 */115 @Override116 public void onStart(ISuite suite) {117 suite.setAttribute(LISTENER_CHAIN, this);118 119 synchronized(suiteListeners) {120 for (ISuiteListener suiteListener : Lists.reverse(suiteListeners)) {121 suiteListener.onStart(suite);122 }123 }124 }125 /**126 * [ISuiteListener]127 * This method is invoked after the SuiteRunner has run all128 * the test suites.129 * 130 * @param suite current test suite131 */132 @Override133 public void onFinish(ISuite suite) {134 synchronized(suiteListeners) {135 for (ISuiteListener suiteListener : suiteListeners) {136 suiteListener.onFinish(suite);137 }138 }139 }140 /**141 * [IConfigurationListener]142 * Invoked whenever a configuration method succeeded.143 * 144 * @param itr test result object for the associated configuration method145 */146 @Override147 public void onConfigurationSuccess(ITestResult itr) {148 synchronized(configListeners) {149 for (IConfigurationListener configListener : configListeners) {150 configListener.onConfigurationSuccess(itr);151 }152 }153 }154 /**155 * [IConfigurationListener]156 * Invoked whenever a configuration method failed.157 * 158 * @param itr test result object for the associated configuration method159 */160 @Override161 public void onConfigurationFailure(ITestResult itr) {162 synchronized(configListeners) {163 for (IConfigurationListener configListener : configListeners) {164 configListener.onConfigurationFailure(itr);165 }166 }167 }168 /**169 * [IConfigurationListener]170 * Invoked whenever a configuration method was skipped.171 * 172 * @param itr test result object for the associated configuration method173 */174 @Override175 public void onConfigurationSkip(ITestResult itr) {176 synchronized(configListeners) {177 for (IConfigurationListener configListener : configListeners) {178 configListener.onConfigurationSkip(itr);179 }180 }181 }182 /**183 * [IInvokedMethodListener]184 * Invoked before each test or configuration method is invoked by TestNG185 * 186 * @param method TestNG representation of the method that's about to be invoked187 * @param testResult test result object for the method that's about to be invoked188 */189 @Override190 public void beforeInvocation(IInvokedMethod method, ITestResult testResult) {191 // NOTE: This method will never be called192 }193 /**194 * [IInvokedMethodListener]195 * Invoked after each test or configuration method is invoked by TestNG196 * 197 * @param method TestNG representation of the method that's just been invoked198 * @param testResult test result object for the method that's just been invoked199 */200 @Override201 public void afterInvocation(IInvokedMethod method, ITestResult testResult) {202 // NOTE: This method will never be called203 }204 205 /**206 * [IInvokedMethodListener(2)]207 * Invoked before each test or configuration method is invoked by TestNG208 * 209 * @param method TestNG representation of the method that's about to be invoked210 * @param testResult test result object for the method that's about to be invoked211 * @param context test context212 */213 // @Override omitted to avoid interface conflict214 public void beforeInvocation(IInvokedMethod method, ITestResult testResult, ITestContext context) {215 synchronized(methodListeners) {216 for (IInvokedMethodListener methodListener : Lists.reverse(methodListeners)) {217 methodListener.beforeInvocation(method, testResult);218 }219 }220 }221 /**222 * [IInvokedMethodListener(2)]223 * Invoked after each test or configuration method is invoked by TestNG224 * 225 * @param method TestNG representation of the method that's just been invoked226 * @param testResult test result object for the method that's just been invoked227 * @param context text context228 */229 // @Override omitted to avoid interface conflict230 public void afterInvocation(IInvokedMethod method, ITestResult testResult, ITestContext context) {231 synchronized(methodListeners) {232 for (IInvokedMethodListener methodListener : methodListeners) {233 methodListener.afterInvocation(method, testResult);234 }235 }236 }237 /**238 * [ITestListener]239 * Invoked each time before a test will be invoked.240 * The {@code ITestResult} is only partially filled with the references to241 * class, method, start millis and status.242 *243 * @param result the partially filled {@code ITestResult}244 * @see ITestResult#STARTED245 */246 @Override247 public void onTestStart(ITestResult result) {248 synchronized(testListeners) {249 for (ITestListener testListener : Lists.reverse(testListeners)) {250 testListener.onTestStart(result);251 }252 }253 }254 /**255 * [ITestListener]256 * Invoked each time a test succeeds.257 *258 * @param result {@code ITestResult} containing information about the run test259 * @see ITestResult#SUCCESS260 */261 @Override262 public void onTestSuccess(ITestResult result) {263 synchronized (testListeners) {264 for (ITestListener testListener : testListeners) {265 testListener.onTestSuccess(result);266 }267 }268 }269 /**270 * [ITestListener]271 * Invoked each time a test fails.272 *273 * @param result {@code ITestResult} containing information about the run test274 * @see ITestResult#FAILURE275 */276 @Override277 public void onTestFailure(ITestResult result) {278 synchronized (testListeners) {279 for (ITestListener testListener : testListeners) {280 testListener.onTestFailure(result);281 }282 }283 }284 /**285 * [ITestListener]286 * Invoked each time a test is skipped.287 *288 * @param result {@code ITestResult} containing information about the run test289 * @see ITestResult#SKIP290 */291 @Override292 public void onTestSkipped(ITestResult result) {293 synchronized (testListeners) {294 for (ITestListener testListener : testListeners) {295 testListener.onTestSkipped(result);296 }297 }298 }299 /**300 * [ITestListener]301 * Invoked each time a method fails but has been annotated with302 * successPercentage and this failure still keeps it within the303 * success percentage requested.304 *305 * @param result {@code ITestResult} containing information about the run test306 * @see ITestResult#SUCCESS_PERCENTAGE_FAILURE307 */308 @Override309 public void onTestFailedButWithinSuccessPercentage(ITestResult result) {310 synchronized (testListeners) {311 for (ITestListener testListener : testListeners) {312 testListener.onTestFailedButWithinSuccessPercentage(result);313 }314 }315 }316 /**317 * [ITestListener]318 * Invoked after the test class is instantiated and before319 * any configuration method is called.320 * 321 * @param context context for the test run322 */323 @Override324 public void onStart(ITestContext context) {325 synchronized (testListeners) {326 for (ITestListener testListener : Lists.reverse(testListeners)) {327 testListener.onStart(context);328 }329 }330 }331 /**332 * [ITestListener]333 * Invoked after all the tests have run and all their334 * Configuration methods have been called.335 * 336 * @param context context for the test run337 */338 @Override339 public void onFinish(ITestContext context) {340 synchronized (testListeners) {341 for (ITestListener testListener : testListeners) {342 testListener.onFinish(context);343 }344 }345 }346 /**347 * [IMethodInterceptor]348 * Invoked to enable alteration of the list of test methods that TestNG is about to run.349 * 350 * @param methods list of test methods.351 * @param context test context.352 * @return the list of test methods to run.353 */354 @Override355 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {356 synchronized (methodInterceptors) {357 for (IMethodInterceptor interceptor : methodInterceptors) {358 methods = interceptor.intercept(methods, context);359 }360 }361 return methods;362 }363 /**364 * [IClassListener]365 * Invoked after the test class is instantiated and before366 * {@link org.testng.annotations.BeforeClass &#64;BeforeClass} 367 * configuration methods are called.368 * 369 * @param testClass TestNG representation for the current test class370 */371 @Override372 public void onBeforeClass(ITestClass testClass) {373 synchronized (classListeners) {374 for (IClassListener classListener : Lists.reverse(classListeners)) {375 classListener.onBeforeClass(testClass);376 }377 }378 }379 /**380 * [IClassListener]381 * Invoked after all of the test methods of the test class have been invoked382 * and before {@link org.testng.annotations.AfterClass &#64;AfterClass}383 * configuration methods are called.384 * 385 * @param testClass TestNG representation for the current test class386 */387 @Override388 public void onAfterClass(ITestClass testClass) {389 synchronized (classListeners) {390 for (IClassListener classListener : classListeners) {391 classListener.onAfterClass(testClass);392 }393 }394 }395 396 /**397 * Get reference to an instance of the specified listener type.398 * 399 * @param <T> listener type400 * @param result TestNG test result object401 * @param listenerType listener type402 * @return optional listener instance403 */404 public static <T extends ITestNGListener> Optional<T>405 getAttachedListener(ITestResult result, Class<T> listenerType) {406 407 Objects.requireNonNull(result, "[result] must be non-null");408 return getAttachedListener(result.getTestContext(), listenerType);409 }410 411 /**412 * Get reference to an instance of the specified listener type.413 * 414 * @param <T> listener type415 * @param context TestNG test context object416 * @param listenerType listener type417 * @return optional listener instance418 */419 public static <T extends ITestNGListener> Optional<T>420 getAttachedListener(ITestContext context, Class<T> listenerType) {421 422 Objects.requireNonNull(context, "[context] must be non-null");423 return getAttachedListener(context.getSuite(), listenerType);424 }425 426 /**427 * Get reference to an instance of the specified listener type.428 * 429 * @param <T> listener type430 * @param suite TestNG suite object431 * @param listenerType listener type432 * @return optional listener instance433 */434 public static <T extends ITestNGListener> Optional<T>435 getAttachedListener(ISuite suite, Class<T> listenerType) {436 437 Objects.requireNonNull(suite, "[suite] must be non-null");438 Objects.requireNonNull(listenerType, "[listenerType] must be non-null");439 ListenerChain chain = (ListenerChain) suite.getAttribute(LISTENER_CHAIN);440 Objects.requireNonNull(chain, "Specified suite has no ListenerChain");441 return chain.getAttachedListener(listenerType);442 }443 /**444 * Get reference to an instance of the specified listener type.445 * 446 * @param <T> listener type447 * @param listenerType listener type448 * @return optional listener instance449 */450 @SuppressWarnings("unchecked")451 public <T extends ITestNGListener> Optional<T> getAttachedListener(Class<T> listenerType) {452 for (ITestNGListener listener : listeners) {453 if (listener.getClass() == listenerType) {454 return Optional.of((T) listener);455 }456 }457 return Optional.absent();458 }459 /**460 * Attach linked listeners that are active on the test class that contains the specified test method.461 * 462 * @param testMethod test method463 */464 protected void attachListeners(Method testMethod) {465 if (testMethod != null) {466 processLinkedListeners(testMethod.getDeclaringClass());467 }468 }469 470 /**471 * Attach linked listeners that are active on the test class defined by the specified test context. Note that only472 * one of the three parameters testClass, testCtor and testMethod will be non-null.473 * 474 * @param testClass If the annotation was found on a class, this parameter represents this class (null otherwise).475 * @param testCtor If the annotation was found on a constructor, this parameter represents this constructor (null476 * otherwise).477 * @param testMethod If the annotation was found on a method, this parameter represents this method (null478 * otherwise).479 */480 protected void attachListeners(Class<?> testClass, Constructor<?> testCtor, Method testMethod) {481 if (testClass != null) {482 processLinkedListeners(testClass);483 } else if (testCtor != null) {484 processLinkedListeners(testCtor.getDeclaringClass());485 } else if (testMethod != null) {486 processLinkedListeners(testMethod.getDeclaringClass());487 }488 }489 490 /**491 * Attach linked listeners that are active on the specified test class.492 * 493 * @param testClass test class494 */495 protected void attachListeners(Class<?> testClass) {496 if (testClass != null) {497 processLinkedListeners(testClass);498 }499 }500 501 /**502 * Process the {@link LinkedListeners} annotation of the specified test class.503 * 504 * @param testClass test class505 */506 protected void processLinkedListeners(Class<?> testClass) {507 Objects.requireNonNull(testClass, "[testClass] must be non-null");508 509 LinkedListeners annotation = testClass.getAnnotation(LinkedListeners.class);510 if (null != annotation) {511 Class<?> markedClass = getMarkedClass(testClass);512 if ( ! markedClasses.contains(markedClass)) {513 markedClasses.add(markedClass);514 for (Class<? extends ITestNGListener> listener : annotation.value()) {515 attachListener(listener, null);516 }517 }518 }519 }520 521 protected void initialize() {522 listeners = new ArrayList<>();523 annotationXformers = new ArrayList<>();524 executionListeners = new ArrayList<>();525 suiteListeners = new ArrayList<>();526 configListeners = new ArrayList<>();527 methodListeners = new ArrayList<>();528 testListeners = new ArrayList<>();529 methodInterceptors = new ArrayList<>();530 classListeners = new ArrayList<>();531 }532 533 /**534 * Wrap the current listener chain with an instance of the specified listener class.535 * <p>536 * <b>NOTE</b>: The order in which listener methods are invoked is determined by the537 * order in which listener objects are added to the chain. Listener <i>before</i> methods538 * are invoked in last-added-first-called order. Listener <i>after</i> methods are invoked539 * in first-added-first-called order.<br>540 * <b>NOTE</b>: Only one instance of any given listener class will be included in the chain.541 * 542 * @param listenerTyp listener class to add to the chain (may be 'null')543 * @param listenerObj listener object to add to the chain (may be 'null')544 */545 protected void attachListener(Class<? extends ITestNGListener> listenerTyp, ITestNGListener listenerObj) { //NOSONAR546 Class<? extends ITestNGListener> type;547 ITestNGListener object;548 549 if ((listenerTyp == null) && (listenerObj == null)) {550 throw new IllegalArgumentException("Neither [listenerTyp] nor [listenerObj] was specified");551 } else if (listenerObj != null) {552 object = listenerObj;553 type = listenerObj.getClass();554 } else {555 object = null;556 type = listenerTyp;557 }558 559 if ( ! listenerSet.contains(type)) { //NOSONAR560 listenerSet.add(type);561 562 if (object == null) {563 try {564 object = type.getDeclaredConstructor().newInstance();565 } catch (InstantiationException | IllegalAccessException | IllegalArgumentException566 | InvocationTargetException | NoSuchMethodException | SecurityException e) {567 throw new RuntimeException("Unable to instantiate listener: " + type.getName(), e);568 }569 }570 571 synchronized(listeners) {572 listeners.add(object);573 }574 575 bucketizeListener(object);576 }577 }578 protected void bucketizeListener(ITestNGListener object) {579 if (object instanceof IExecutionListener) {580 synchronized(executionListeners) {581 executionListeners.add((IExecutionListener) object);582 }583 }584 585 if (object instanceof ISuiteListener) {586 synchronized(suiteListeners) {587 suiteListeners.add((ISuiteListener) object);588 }589 }590 591 if (object instanceof ITestListener) {592 synchronized(testListeners) {593 testListeners.add((ITestListener) object);594 }595 }596 597 if (object instanceof IMethodInterceptor) {598 synchronized(methodInterceptors) {599 methodInterceptors.add((IMethodInterceptor) object);600 }601 }602 603 if (object instanceof IClassListener) {604 synchronized(classListeners) {605 classListeners.add((IClassListener) object);606 }607 }608 }609 610 /**611 * Get the class in the hierarchy of the specified test class that declares the {@link LinkedListeners} annotation.612 * 613 * @param testClass test class to be evaluated614 * @return class that declares the {@link LinkedListeners} annotation; {@code null} if annotation isn't found615 */616 private static Class<?> getMarkedClass(Class<?> testClass) {617 for (Class<?> thisClass = testClass; thisClass != null; thisClass = thisClass.getSuperclass()) {618 for (Annotation annotation : thisClass.getDeclaredAnnotations()) {619 if (annotation.annotationType().isAssignableFrom(LinkedListeners.class)) {620 return thisClass;621 }622 }623 }624 return null;625 }626}...

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Source:LoginPage.java Github

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1package org.orange.Pages;2import java.io.File;3import java.util.ArrayList;4import java.util.List;5import org.openqa.selenium.By;6import org.openqa.selenium.OutputType;7import org.openqa.selenium.WebDriver;8import org.openqa.selenium.WebElement;9import org.openqa.selenium.interactions.Actions;10import org.openqa.selenium.support.FindBy;11import org.openqa.selenium.support.FindBys;12import org.openqa.selenium.support.PageFactory;13import org.openqa.selenium.support.ui.FluentWait;14import org.orange.testbase.TestBase;15import org.seleniumhq.jetty9.util.annotation.Name;16import org.testng.IMethodInstance;17import org.testng.IMethodInterceptor;18import org.testng.ITestContext;19import org.testng.annotations.AfterMethod;20import org.testng.annotations.AfterSuite;21import org.testng.annotations.BeforeMethod;22import org.testng.annotations.BeforeSuite;23import org.testng.annotations.Test;24import okhttp3.Interceptor;25interface my{26 27 int x=10;28 29}30public class LoginPage extends TestBase implements IMethodInterceptor{31 WebDriver driver;32 33@FindBy(xpath="//input[@id='email']")34WebElement userName;35@FindBys({36 37 @FindBy(xpath="//input[@id='email']"),38 @FindBy(xpath="//input[@id= 'pass']")39 40 })41 List <WebElement> arrr = new ArrayList<WebElement>();42 public LoginPage(WebDriver drv)43 { System.out.println(my.x);44 driver = drv;45 PageFactory.initElements(driver,this);46 FluentWait flw = new FluentWait(driver);47 48 49 }50 51public void userName()52 {53 System.out.println(arrr.size());54 System.out.println("in suername");55 System.out.println(driver.getTitle());56 Actions act = new Actions(driver);57 act.click();58// File ghl;59 60//File f = driver.getScreenShotAs(OutputType.FILE);61 }62 63public void userNameDP(String a , String b)64{65System.out.println("in suername");66System.out.println(driver.getTitle());67userName.sendKeys(a);68}69public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {70 // TODO Auto-generated method stub71 return null;72}73 74 75}...

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Source:IMethodInterceptorClass.java Github

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1package common;2import java.lang.annotation.Retention;3import java.lang.annotation.Target;4import java.util.ArrayList;5import java.util.List;6import org.testng.IMethodInstance;7import org.testng.IMethodInterceptor;8import org.testng.ITestContext;9import org.testng.ITestNGListener;10public interface IMethodInterceptorClass extends ITestNGListener {11 List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context);12 }13/*14public class IMethodInterceptorClass implements IMethodInterceptor {15 16 @Override17 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {18 List<IMethodInstance> methodlist = new ArrayList<IMethodInstance>();19 // Read these flags from somewhere, system var / test context / file or20 // where ever21 Boolean shouldRunTest1 = Boolean.valueOf(context.getAttribute("SHOULD_RUN_TEST1")22 .toString());23 Boolean shouldRunTest2 = Boolean.valueOf(context.getAttribute("SHOULD_RUN_TEST2")24 .toString());25 for (IMethodInstance iMethodInstance : methods) {26 // decide based on method name / group / priority / description or27 // what ever28 String methodName = iMethodInstance.getMethod().getMethodName();29 if (iMethodInstance.getMethod().isTest()) {30 if (shouldRunTest1 && methodName.equals("testCase1")) {31 methodlist.add(iMethodInstance);32 } else if (shouldRunTest2 && methodName.equals("testCase2")) {33 methodlist.add(iMethodInstance);34 }35 }36 }37 // Here we return the test cases to be run38 return methodlist;39 }40 41}42*/ 43 44 ...

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Source:MethodInterceptorListener.java Github

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1package com.ad.listeners;2import java.util.ArrayList;3import java.util.HashSet;4import java.util.List;5import java.util.Set;6import org.testng.IMethodInstance;7import org.testng.IMethodInterceptor;8import org.testng.ITestContext;9import org.testng.annotations.Test;10/**11 * 12 * IMethodInterceptor interface is used to modify the list of test methods that we want TestNG to run. 13 * It will be invoked right before TestNG starts invoking test methods.14 * It has just one method to implement intercept which returns the altered list of methods.15 *16 * **/17public class MethodInterceptorListener implements IMethodInterceptor {18 @Override19 public List<IMethodInstance> intercept(List<IMethodInstance> methods,20 ITestContext context) {21 // TODO Auto-generated method stub22 List result = new ArrayList();23 for (IMethodInstance m : methods) {24 Test test = m.getMethod().getMethod().getAnnotation(Test.class);25 Set groups = new HashSet();26 for (String group : test.groups()) {27 groups.add(group);28 29 }30 if (groups.contains("perf")) {31 result.add(m);32 }else{33 String testMethod = m.getMethod().getMethod().getName();34 System.out.println(testMethod+ " not a performance test so remove it");35 }36 }37 return result;38 }39}...

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Source:CombinedListener.java Github

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1/*2 * Copyright 2016 Harald Wellmann3 *4 * Licensed under the Apache License, Version 2.0 (the "License");5 * you may not use this file except in compliance with the License.6 * You may obtain a copy of the License at7 *8 * http://www.apache.org/licenses/LICENSE-2.09 *10 * Unless required by applicable law or agreed to in writing, software11 * distributed under the License is distributed on an "AS IS" BASIS,12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or13 * implied.14 *15 * See the License for the specific language governing permissions and16 * limitations under the License.17 */18package org.ops4j.pax.exam.testng.listener;19import org.testng.IClassListener;20import org.testng.IConfigurable;21import org.testng.IHookable;22import org.testng.IMethodInterceptor;23import org.testng.ISuiteListener;24/**25 * Union of all relevant TestNG listener interfaces.26 *27 * @author Harald Wellmann28 * @since 5.0.029 */30public interface CombinedListener31 extends ISuiteListener, IClassListener, IMethodInterceptor, IHookable, IConfigurable {32}...

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Source:TestSelector.java Github

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1package org.infinispan.test.fwk;2import java.lang.annotation.ElementType;3import java.lang.annotation.Retention;4import java.lang.annotation.RetentionPolicy;5import java.lang.annotation.Target;6import java.util.function.Predicate;7import org.testng.IMethodInstance;8import org.testng.IMethodInterceptor;9/**10 * See {@link ChainMethodInterceptor}. Works in a similar way as annotating test class11 * with {@link org.testng.annotations.Listeners} with {@link IMethodInterceptor} but allows12 * multiple interceptors and multiple filters.13 *14 * @author Radim Vansa &lt;rvansa@redhat.com&gt;15 */16@Retention(RetentionPolicy.RUNTIME)17@Target(ElementType.TYPE)18public @interface TestSelector {19 /**20 * Filters are applied before the interceptors to remove unwanted methods.21 */22 Class<? extends Predicate<IMethodInstance>>[] filters() default {};23 /**24 * Interceptors are applied later to e.g. sort methods.25 */26 Class<? extends IMethodInterceptor>[] interceptors() default {};27}...

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Source:ExecutionOrdering.java Github

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1package clear.utils;2import java.util.Collections;3import java.util.Comparator;4import java.util.List;5import org.testng.IMethodInstance;6import org.testng.IMethodInterceptor;7import org.testng.ITestContext;8/**9* This class is implementation of IMethodInterceptor interface, to sort the orderting of test10* @author ptt4kor11* @version 1.012*/13public class ExecutionOrdering implements IMethodInterceptor {14 @Override15 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {16 17 Collections.sort(methods, new MyComparator());18 return methods;19 }20 21 public static class MyComparator implements Comparator<IMethodInstance> {22 23 @Override24 public int compare(IMethodInstance o1, IMethodInstance o2) {25 // o1.getMethod().getConstructorOrMethod().get26 // o1.getInstance().toString()27 return o1.getInstance().toString().compareTo(o2.getInstance().toString());28 }29 30 }31}...

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Source:MyTestNGListeners.java Github

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1package listeners;2import org.testng.IAnnotationTransformer;3import org.testng.IExecutionListener;4import org.testng.IHookable;5import org.testng.IInvokedMethodListener;6import org.testng.IMethodInterceptor;7import org.testng.IReporter;8import org.testng.ISuiteListener;9import org.testng.ITestListener;10public interface MyTestNGListeners extends IAnnotationTransformer, 11 IHookable, 12 IExecutionListener, 13 IInvokedMethodListener,14 IMethodInterceptor,15 IReporter,16 ISuiteListener,17 ITestListener18{19}...

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Interface IMethodInterceptor

Using AI Code Generation

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1public class TestNGInterceptor implements IMethodInterceptor {2 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {3 List<IMethodInstance> result = new ArrayList<IMethodInstance>();4 for (IMethodInstance each : methods) {5 ITestNGMethod method = each.getMethod();6 if (method.isTest()) {7 result.add(each);8 }9 }10 return result;11 }12}13public class TestNGInterceptor implements IMethodInterceptor {14 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {15 List<IMethodInstance> result = new ArrayList<IMethodInstance>();16 for (IMethodInstance each : methods) {17 ITestNGMethod method = each.getMethod();18 if (method.isTest()) {19 result.add(each);20 }21 }22 return result;23 }24}25public class TestNGInterceptor implements IMethodInterceptor {26 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {27 List<IMethodInstance> result = new ArrayList<IMethodInstance>();28 for (IMethodInstance each : methods) {29 ITestNGMethod method = each.getMethod();30 if (method.isTest()) {31 result.add(each);32 }33 }34 return result;35 }36}37public class TestNGInterceptor implements IMethodInterceptor {38 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {39 List<IMethodInstance> result = new ArrayList<IMethodInstance>();40 for (IMethodInstance each : methods) {41 ITestNGMethod method = each.getMethod();42 if (method.isTest()) {43 result.add(each);44 }45 }46 return result;47 }48}49public class TestNGInterceptor implements IMethodInterceptor {50 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {51 List<IMethodInstance> result = new ArrayList<IMethodInstance>();52 for (IMethodInstance each : methods) {

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Interface IMethodInterceptor

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1public class TestInterceptor implements IMethodInterceptor {2 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {3 List<IMethodInstance> result = new ArrayList<IMethodInstance>();4 for (IMethodInstance m : methods) {5 result.add(m);6 }7 return result;8 }9}10public class TestListener implements ITestListener {11 public void onTestStart(ITestResult result) {12 System.out.println("Test Started");13 }14 public void onTestSuccess(ITestResult result) {15 System.out.println("Test Success");16 }17 public void onTestFailure(ITestResult result) {18 System.out.println("Test Failed");19 }20 public void onTestSkipped(ITestResult result) {21 System.out.println("Test Skipped");22 }23 public void onTestFailedButWithinSuccessPercentage(ITestResult result) {24 System.out.println("Test Failed But Within Success Percentage");25 }26 public void onStart(ITestContext context) {27 System.out.println("Test Started");28 }29 public void onFinish(ITestContext context) {30 System.out.println("Test Finished");31 }32}33public class Transform implements IAnnotationTransformer {34 public void transform(ITestAnnotation annotation, Class testClass, Constructor testConstructor, Method testMethod) {35 annotation.setRetryAnalyzer(Retry.class);36 }37}38public class Retry implements IRetryAnalyzer {39 private int retryCount = 0;40 private static final int maxRetryCount = 0;41 public boolean retry(ITestResult result) {42 if (retryCount < maxRetryCount) {43 retryCount++;44 return true;45 }46 return false;47 }48}49public class TestClassListener implements IClassListener {50 public void onBeforeClass(ITestClass testClass) {51 System.out.println("Before Class");52 }

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Interface IMethodInterceptor

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1public class TestNGInterceptor implements IMethodInterceptor {2 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {3 List<IMethodInstance> result = new ArrayList<IMethodInstance>();4 for (IMethodInstance method : methods) {5 result.add(method);6 }7 Collections.sort(result, new Comparator<IMethodInstance>() {8 public int compare(IMethodInstance o1, IMethodInstance o2) {9 int priority1 = o1.getMethod().getConstructorOrMethod().getMethod().getAnnotation(Test.class).priority();10 int priority2 = o2.getMethod().getConstructorOrMethod().getMethod().getAnnotation(Test.class).priority();11 if (priority1 > priority2) {12 return 1;13 } else if (priority1 < priority2) {14 return -1;15 } else {16 return 0;17 }18 }19 });20 return result;21 }22}23public class TestNGListener implements IInvokedMethodListener {24 public void beforeInvocation(IInvokedMethod method, ITestResult testResult) {25 System.out.println("Before Invocation of method " + method.getTestMethod().getMethodName());26 }27 public void afterInvocation(IInvokedMethod method, ITestResult testResult) {28 System.out.println("After Invocation of method " + method.getTestMethod().getMethodName());29 }30}31public class TestNGAnnotationTransformer implements IAnnotationTransformer {32 public void transform(ITestAnnotation annotation, Class testClass, Constructor testConstructor, Method testMethod) {33 annotation.setRetryAnalyzer(RetryAnalyzer.class);34 annotation.setInvocationCount(3);35 }36}37public class RetryAnalyzer implements IRetryAnalyzer {38 private int retryCount = 0;39 private static final int maxRetryCount = 3;40 public boolean retry(ITestResult result) {41 if (retryCount < maxRetryCount) {42 retryCount++;43 return true;44 }45 return false;46 }47}

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Interface IMethodInterceptor

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1package TestNGTests;2import org.testng.IMethodInstance;3import org.testng.IMethodInterceptor;4import org.testng.ITestContext;5import java.util.List;6public class MyMethodInterceptor implements IMethodInterceptor {7public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {8System.out.println("Intercepting methods: " + methods);9return methods;10}11}12package TestNGTests;13import org.testng.ITestContext;14import org.testng.ITestListener;15import org.testng.ITestResult;16public class MyTestListener implements ITestListener {17public void onTestStart(ITestResult result) {18System.out.println("Test Started: " + result.getName());19}20public void onTestSuccess(ITestResult result) {21System.out.println("Test Passed: " + result.getName());22}23public void onTestFailure(ITestResult result) {24System.out.println("Test Failed: " + result.getName());25}26public void onTestSkipped(ITestResult result) {27System.out.println("Test Skipped: " + result.getName());28}29public void onTestFailedButWithinSuccessPercentage(ITestResult result) {30System.out.println("Test Failed but within Success Percentage: " + result.getName());31}32public void onStart(ITestContext context) {33System.out.println("Test Suite Started: " + context.getName());34}35public void onFinish(ITestContext context) {36System.out.println("Test Suite Completed: " + context.getName());37}38}39package TestNGTests;40import org.testng.IRetryAnalyzer;41import org.testng.ITestResult;42public class RetryFailedTestCases implements IRetryAnalyzer {43int counter = 0;44int retryLimit = 3;45public boolean retry(ITestResult result) {46if (counter < retryLimit) {47counter++;48return true;49}50return false;51}52}53package TestNGTests;54import org.testng.ITestNGMethod;55import org.testng.annotations.Test;56public class TestNGMethod {57public void test1() {58System.out.println("Test1");59}60public void test2() {61System.out.println("Test2");62}63public void test3() {64System.out.println("Test3");65}

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Interface IMethodInterceptor

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1package com.test;2import org.testng.IMethodInterceptor;3import org.testng.IMethodInstance;4import org.testng.ITestContext;5import java.util.List;6public class TestMethodInterceptor implements IMethodInterceptor {7 public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {8 System.out.println("Intercepted");9 return methods;10 }11}12package com.test;13import org.testng.IMethodInstance;14import org.testng.IMethodSelector;15import org.testng.ITestContext;16import java.util.List;17public class TestMethodSelector implements IMethodSelector {18 public boolean includeMethod(IMethodInstance method, ITestContext context) {19 System.out.println("Selected");20 return true;21 }22 public void setTestMethods(List<IMethodInstance> testMethods) {23 }24}25package com.test;26import org.testng.annotations.Test;27public class TestClass {28 public void testMethod(){29 System.out.println("Test method");30 }31}

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Interface IMethodInterceptor

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1public class TestNGInterceptor implements IMethodInterceptor {2public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {3System.out.println("Before Test Method");4return methods;5}6}7public class TestNGInterceptor2 implements IMethodInterceptor {8public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {9System.out.println("After Test Method");10return methods;11}12}13public class AnnotationTransformer implements IAnnotationTransformer {14public void transform(ITestAnnotation annotation, Class testClass, Constructor testConstructor, Method testMethod) {15annotation.setRetryAnalyzer(RetryAnalyzer.class);16}17}18public class TestListener implements ITestListener {19public void onTestStart(ITestResult result) {20System.out.println("onTestStart method " + result.getName() + " start");21}22public void onTestSuccess(ITestResult result) {23System.out.println("onTestSuccess method " + result.getName() + " succeed");24}25public void onTestFailure(ITestResult result) {26System.out.println("onTestFailure method " + result.getName() + " failed");27}28public void onTestSkipped(ITestResult result) {29System.out.println("onTestSkipped method " + result.getName() + " skipped");30}31public void onTestFailedButWithinSuccessPercentage(ITestResult result) {32System.out.println("onTestFailedButWithinSuccessPercentage for " + result.getName());33}34public void onStart(ITestContext context) {35System.out.println("onStart method " + context.getName());36}37public void onFinish(ITestContext context) {38System.out.println("onFinish method " + context.getName());39}40}41public class RetryAnalyzer implements IRetryAnalyzer {42private int retryCount = 0;43private static final int maxRetryCount = 2;44public boolean retry(ITestResult result) {45if (retryCount < maxRetryCount) {46System.out.println("Retrying test " + result.getName() + " with status "

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Source: Is it possible to put a condition to TestNG to run the test if that is member of two groups? ...

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1public interface SomeInterfaceOne {23 void usualAbstractMethod(String inputString);45 default void defaultMethod(String inputString){6 System.out.println("Inside SomeInterfaceOne defaultMethod::"+inputString);7 }8}9
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Source:Is it possible to put a condition to TestNG to run the test if that is member of two groups?

public interface SomeInterfaceOne {

    void usualAbstractMethod(String inputString);

    default void defaultMethod(String inputString){
        System.out.println("Inside SomeInterfaceOne defaultMethod::"+inputString);
    }
}

Source: Selenium suite failed on runtime with error message &quot;Liastener interface org.testng.ITestListener must be one of ITestListener...&quot; ...

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1public interface Payment2{3 void makePayment();//by default it is a abstract method4}5public class PayPal implements Payment6{7 public void makePayment()8 {9 //some logic for PayPal payment10 //e.g. Paypal uses username and password for payment11 }12}13public class CreditCard implements Payment14{15 public void makePayment()16 {17 //some logic for CreditCard payment18 //e.g. CreditCard uses card number, date of expiry etc...19 }20}21
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Source:Selenium suite failed on runtime with error message &quot;Liastener interface org.testng.ITestListener must be one of ITestListener...&quot;

public interface Payment
{
    void makePayment();//by default it is a abstract method
}
public class PayPal implements Payment
{
    public void makePayment()
    {
        //some logic for PayPal payment
        //e.g. Paypal uses username and password for payment
    }
}
public class CreditCard implements Payment
{
    public void makePayment()
    {
        //some logic for CreditCard payment
        //e.g. CreditCard uses card number, date of expiry etc...
    }
}

TestNG tutorial

TestNG is a Java-based open-source framework for test automation that includes various test types, such as unit testing, functional testing, E2E testing, etc. TestNG is in many ways similar to JUnit and NUnit. But in contrast to its competitors, its extensive features make it a lot more reliable framework. One of the major reasons for its popularity is its ability to structure tests and improve the scripts' readability and maintainability. Another reason can be the important characteristics like the convenience of using multiple annotations, reliance, and priority that make this framework popular among developers and testers for test design. You can refer to the TestNG tutorial to learn why you should choose the TestNG framework.

Chapters

  1. JUnit 5 vs. TestNG: Compare and explore the core differences between JUnit 5 and TestNG from the Selenium WebDriver viewpoint.
  2. Installing TestNG in Eclipse: Start installing the TestNG Plugin and learn how to set up TestNG in Eclipse to begin constructing a framework for your test project.
  3. Create TestNG Project in Eclipse: Get started with creating a TestNG project and write your first TestNG test script.
  4. Automation using TestNG: Dive into how to install TestNG in this Selenium TestNG tutorial, the fundamentals of developing an automation script for Selenium automation testing.
  5. Parallel Test Execution in TestNG: Here are some essential elements of parallel testing with TestNG in this Selenium TestNG tutorial.
  6. Creating TestNG XML File: Here is a step-by-step tutorial on creating a TestNG XML file to learn why and how it is created and discover how to run the TestNG XML file being executed in parallel.
  7. Automation with Selenium, Cucumber & TestNG: Explore for an in-depth tutorial on automation using Selenium, Cucumber, and TestNG, as TestNG offers simpler settings and more features.
  8. JUnit Selenium Tests using TestNG: Start running your regular and parallel tests by looking at how to run test cases in Selenium using JUnit and TestNG without having to rewrite the tests.
  9. Group Test Cases in TestNG: Along with the explanation and demonstration using relevant TestNG group examples, learn how to group test cases in TestNG.
  10. Prioritizing Tests in TestNG: Get started with how to prioritize test cases in TestNG for Selenium automation testing.
  11. Assertions in TestNG: Examine what TestNG assertions are, the various types of TestNG assertions, and situations that relate to Selenium automated testing.
  12. DataProviders in TestNG: Deep dive into learning more about TestNG's DataProvider and how to effectively use it in our test scripts for Selenium test automation.
  13. Parameterization in TestNG: Here are the several parameterization strategies used in TestNG tests and how to apply them in Selenium automation scripts.
  14. TestNG Listeners in Selenium WebDriver: Understand the various TestNG listeners to utilize them effectively for your next plan when working with TestNG and Selenium automation.
  15. TestNG Annotations: Learn more about the execution order and annotation attributes, and refer to the prerequisites required to set up TestNG.
  16. TestNG Reporter Log in Selenium: Find out how to use the TestNG Reporter Log and learn how to eliminate the need for external software with TestNG Reporter Class to boost productivity.
  17. TestNG Reports in Jenkins: Discover how to generate TestNG reports in Jenkins if you want to know how to create, install, and share TestNG reports in Jenkins.

Certification

You can push your abilities to do automated testing using TestNG and advance your career by earning a TestNG certification. Check out our TestNG certification.

YouTube

Watch this complete tutorial to learn how you can leverage the capabilities of the TestNG framework for Selenium automation testing.

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