How to use run method of org.testng.junit.JUnit4TestRunner class

Best Testng code snippet using org.testng.junit.JUnit4TestRunner.run

Source:JUnit4TestRunner.java Github

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1package org.testng.junit; // (rank 773) copied from https://github.com/cbeust/testng/blob/0b0f714e3d424acddcfb7e7567d5fd385416bd6b/src/main/java/org/testng/junit/JUnit4TestRunner.java2import java.util.*;3import java.util.regex.Pattern;4import org.junit.runner.Description;5import org.junit.runner.JUnitCore;6import org.junit.runner.Request;7import org.junit.runner.Result;8import org.junit.runner.manipulation.Filter;9import org.junit.runner.notification.Failure;10import org.junit.runner.notification.RunListener;11import org.testng.*;12import org.testng.collections.Lists;13import org.testng.internal.IInvocationStatus;14import org.testng.internal.ITestResultNotifier;15import org.testng.internal.InvokedMethod;16import org.testng.internal.TestResult;17/**18 * A JUnit TestRunner that records/triggers all information/events necessary to TestNG.19 *20 * @author Lukas Jungmann21 */22public class JUnit4TestRunner implements IJUnitTestRunner {23 private ITestResultNotifier m_parentRunner;24 private List<ITestNGMethod> m_methods = Lists.newArrayList();25 private List<ITestListener> m_listeners = Lists.newArrayList();26 private Collection<IInvokedMethodListener> m_invokeListeners = Lists.newArrayList();27 private Map<Description, ITestResult> m_findedMethods = new WeakHashMap<>();28 public JUnit4TestRunner() {}29 public JUnit4TestRunner(ITestResultNotifier tr) {30 m_parentRunner = tr;31 m_listeners = m_parentRunner.getTestListeners();32 }33 /**34 * Needed from TestRunner in order to figure out what JUnit test methods were run.35 *36 * @return the list of all JUnit test methods run37 */38 @Override39 public List<ITestNGMethod> getTestMethods() {40 return m_methods;41 }42 @Override43 public void setTestResultNotifier(ITestResultNotifier notifier) {44 m_parentRunner = notifier;45 m_listeners = m_parentRunner.getTestListeners();46 }47 public void setInvokedMethodListeners(Collection<IInvokedMethodListener> listeners) {48 m_invokeListeners = listeners;49 }50 /**51 * A <code>start</code> implementation that ignores the <code>TestResult</code>52 *53 * @param testClass the JUnit test class54 */55 @Override56 public void run(Class testClass, String... methods) {57 start(testClass, methods);58 }59 /**60 * Starts a test run. Analyzes the command line arguments and runs the given test suite.61 *62 * @param testCase The test class63 * @param methods The test methods64 * @return The result65 */66 public Result start(final Class testCase, final String... methods) {67 try {68 JUnitCore core = new JUnitCore();69 core.addListener(new RL());70 Request r = Request.aClass(testCase);71 return core.run(72 r.filterWith(73 new Filter() {74 @Override75 public boolean shouldRun(Description description) {76 if (description == null) {77 return false;78 }79 if (methods.length == 0) {80 if (description.getTestClass() != null) {81 ITestResult tr = createTestResult(description);82 m_findedMethods.put(description, tr);83 }84 // run everything85 return true;86 }87 for (String m : methods) {88 Pattern p = Pattern.compile(m);89 if (p.matcher(description.getMethodName()).matches()) {90 ITestResult tr = createTestResult(description);91 m_findedMethods.put(description, tr);92 return true;93 }94 }95 return false;96 }97 @Override98 public String describe() {99 return "TestNG method filter";100 }101 }));102 } catch (Throwable t) {103 throw new TestNGException("Failure in JUnit mode for class " + testCase.getName(), t);104 }105 }106 private class RL extends RunListener {107 private List<Description> notified = new LinkedList<>();108 @Override109 public void testAssumptionFailure(Failure failure) {110 notified.add(failure.getDescription());111 ITestResult tr = m_findedMethods.get(failure.getDescription());112 validate(tr, failure.getDescription());113 runAfterInvocationListeners(tr);114 tr.setStatus(TestResult.SKIP);115 tr.setEndMillis(Calendar.getInstance().getTimeInMillis());116 tr.setThrowable(failure.getException());117 m_parentRunner.addSkippedTest(tr.getMethod(), tr);118 for (ITestListener l : m_listeners) {119 l.onTestSkipped(tr);120 }121 }122 @Override123 public void testFailure(Failure failure) throws Exception {124 if (failure == null) {125 return;126 }127 if (isAssumptionFailed(failure)) {128 this.testAssumptionFailure(failure);129 return;130 }131 notified.add(failure.getDescription());132 ITestResult tr = m_findedMethods.get(failure.getDescription());133 if (tr == null) {134 // Not a test method, should be a config135 tr = createTestResult(failure.getDescription());136 runAfterInvocationListeners(tr);137 tr.setStatus(TestResult.FAILURE);138 tr.setEndMillis(Calendar.getInstance().getTimeInMillis());139 tr.setThrowable(failure.getException());140 for (IConfigurationListener l : m_parentRunner.getConfigurationListeners()) {141 l.onConfigurationFailure(tr);142 }143 for (Description childDesc : failure.getDescription().getChildren()) {144 testIgnored(childDesc);145 }146 } else {147 runAfterInvocationListeners(tr);148 tr.setStatus(TestResult.FAILURE);149 tr.setEndMillis(Calendar.getInstance().getTimeInMillis());150 tr.setThrowable(failure.getException());151 m_parentRunner.addFailedTest(tr.getMethod(), tr);152 for (ITestListener l : m_listeners) {153 l.onTestFailure(tr);154 }155 }156 }157 @Override158 public void testFinished(Description description) throws Exception {159 ITestResult tr = m_findedMethods.get(description);160 validate(tr, description);161 runAfterInvocationListeners(tr);162 if (!notified.contains(description)) {163 tr.setStatus(TestResult.SUCCESS);164 tr.setEndMillis(Calendar.getInstance().getTimeInMillis());165 m_parentRunner.addPassedTest(tr.getMethod(), tr);166 for (ITestListener l : m_listeners) {167 l.onTestSuccess(tr);168 }169 }170 m_methods.add(tr.getMethod());171 }172 @Override173 public void testIgnored(Description description) throws Exception {174 if (!notified.contains(description)) {175 notified.add(description);176 ITestResult tr = m_findedMethods.get(description);177 validate(tr, description);178 runAfterInvocationListeners(tr);179 tr.setStatus(TestResult.SKIP);180 tr.setEndMillis(tr.getStartMillis());181 m_parentRunner.addSkippedTest(tr.getMethod(), tr);182 m_methods.add(tr.getMethod());183 for (ITestListener l : m_listeners) {184 l.onTestSkipped(tr);185 }186 }187 }188 @Override189 public void testRunFinished(Result result) throws Exception {}190 @Override191 public void testRunStarted(Description description) throws Exception {}192 @Override193 public void testStarted(Description description) throws Exception {194 ITestResult tr = m_findedMethods.get(description);195 validate(tr, description);196 for (ITestListener l : m_listeners) {197 l.onTestStart(tr);198 }199 }200 private void runAfterInvocationListeners(ITestResult tr) {201 InvokedMethod im =202 new InvokedMethod(tr.getEndMillis(), tr);203 for (IInvokedMethodListener l : m_invokeListeners) {204 l.afterInvocation(im, tr);205 }206 }207 private void validate(ITestResult tr, Description description) {208 if (tr == null) {209 throw new TestNGException(stringify(description));210 }211 }212 private String stringify(Description description) {213 return description.getClassName() + "." + description.getMethodName() + "()";214 }...

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Source:IJUnitTestRunner.java Github

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...8import org.testng.internal.ClassHelper;9import org.testng.internal.ITestResultNotifier;10import org.testng.internal.Utils;11/**12 * An abstraction interface over JUnit test runners.13 *14 */15public interface IJUnitTestRunner {16 String JUNIT_TESTRUNNER = "org.testng.junit.JUnitTestRunner";17 String JUNIT_4_TESTRUNNER = "org.testng.junit.JUnit4TestRunner";18 void setInvokedMethodListeners(Collection<IInvokedMethodListener> listener);19 void setTestResultNotifier(ITestResultNotifier notifier);20 void run(Class junitTestClass, String... methods);21 List<ITestNGMethod> getTestMethods();22 static IJUnitTestRunner createTestRunner(TestRunner runner) {23 IJUnitTestRunner tr = null;24 try {25 // try to get runner for JUnit 4 first26 Class.forName("org.junit.Test");27 Class<?> clazz = ClassHelper.forName(JUNIT_4_TESTRUNNER);28 if (clazz != null) {29 tr = (IJUnitTestRunner) clazz.newInstance();30 tr.setTestResultNotifier(runner);31 }32 } catch (Throwable t) {33 Utils.log(IJUnitTestRunner.class.getSimpleName(), 2, "JUnit 4 was not found on the classpath");34 try {35 // fallback to JUnit 336 Class.forName("junit.framework.Test");37 Class<?> clazz = ClassHelper.forName(JUNIT_TESTRUNNER);38 if (clazz != null) {39 tr = (IJUnitTestRunner) clazz.newInstance();40 tr.setTestResultNotifier(runner);41 }42 } catch (Exception ex) {43 Utils.log(IJUnitTestRunner.class.getSimpleName(), 2, "JUnit 3 was not found on the classpath");44 // there's no JUnit on the classpath45 throw new TestNGException("Cannot create JUnit runner", ex);46 }47 }48 return tr;49 }50}...

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Source:Junit5Example.java Github

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1package qatest.tests;2import static org.junit.jupiter.api.Assertions.assertTrue;3import org.junit.jupiter.api.BeforeAll;4import org.junit.jupiter.api.Test;5import org.junit.platform.runner.JUnitPlatform;6import org.junit.runner.RunWith;7import org.junit.runners.JUnit4;8import org.openqa.selenium.WebDriver;9import org.openqa.selenium.chrome.ChromeDriver;10import org.testng.junit.JUnit3TestClass;11import org.testng.junit.JUnit4TestRunner;12import org.junit.jupiter.api.BeforeEach;13import io.github.bonigarcia.wdm.WebDriverManager;14import qatest.patterns.impl.DuckDukcGoImpl;15@RunWith(JUnit4.class)16public class Junit5Example {17 private WebDriver driver;18 private DuckDukcGoImpl duckduckGoTest;19 20 @BeforeAll21 public void setup() {...

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run

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1import org.testng.junit.JUnit4TestRunner;2import org.testng.TestNG;3import org.testng.xml.XmlSuite;4import java.util.ArrayList;5import java.util.List;6import java.util.logging.Level;7import java.util.logging.Logger;8import org.testng.xml.XmlSuite.ParallelMode;9public class TestNGRunner {10 public static void main(String[] args) {11 TestNGRunner runner = new TestNGRunner();12 runner.run();13 }14 public void run() {15 List<Class> classes = new ArrayList<Class>();16 classes.add(ClassName.class);17 XmlSuite suite = new XmlSuite();18 suite.setName("TestNG Runner");19 suite.setParallel(ParallelMode.METHODS);20 for (Class clazz : classes) {21 JUnit4TestRunner runner = new JUnit4TestRunner(clazz);22 runner.setTestNG(new TestNG());23 runner.run();24 }25 }26}

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run

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1package testng;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4import org.testng.junit.JUnit4TestRunner;5public class TestNGRunner {6 public static void main(String[] args) throws Exception {7 Class<?> testClass = Class.forName("testng.TestNGDemo");8 JUnit4TestRunner runner = new JUnit4TestRunner(testClass);9 try {10 Method runMethod = JUnit4TestRunner.class.getMethod("run", new Class[] {});11 runMethod.invoke(runner, new Object[] {});12 } catch (InvocationTargetException e) {13 Throwable t = e.getTargetException();14 if (t instanceof Exception) {15 throw (Exception) t;16 } else if (t instanceof Error) {17 throw (Error) t;18 }19 }20 }21}22package testng;23import org.testng.Assert;24import org.testng.annotations.Test;25public class TestNGDemo {26 public void test1() {27 Assert.assertEquals(1, 1);28 }29}30package testng;31import org.testng.Assert;32import org.testng.annotations.Test;33public class TestNGDemo {34 public void test1() {35 Assert.assertEquals(1, 1);36 }37}38package testng;39import org.testng.Assert;40import org.testng.annotations.Test;41public class TestNGDemo {42 public void test1() {43 Assert.assertEquals(1, 1);44 }45}46package testng;47import org.testng.Assert;48import org.testng.annotations.Test;49public class TestNGDemo {50 public void test1() {51 Assert.assertEquals(1, 1);52 }53}54package testng;55import org.testng.Assert;56import org.testng.annotations.Test;57public class TestNGDemo {58 public void test1() {59 Assert.assertEquals(1, 1);60 }61}62package testng;63import org.testng.Assert;64import org.testng.annotations.Test;65public class TestNGDemo {66 public void test1() {67 Assert.assertEquals(1, 1);68 }69}70package testng;71import org.testng.Assert;72import org.testng.annotations.Test;73public class TestNGDemo {74 public void test1() {75 Assert.assertEquals(1, 1);76 }77}78package testng;79import org.testng

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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.

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

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