Best Testng code snippet using org.testng.DataProviderHolder.getListeners
Source:TestNG.java  
...810    m_configuration.setAlwaysRunListeners(this.m_alwaysRun);811    m_configuration.setExecutorFactory(getExecutorFactory());812  }813  private void addListeners(XmlSuite s) {814    for (String listenerName : s.getListeners()) {815      Class<?> listenerClass = ClassHelper.forName(listenerName);816      // If specified listener does not exist, a TestNGException will be thrown817      if (listenerClass == null) {818        throw new TestNGException(819            "Listener " + listenerName + " was not found in project's classpath");820      }821      ITestNGListener listener = (ITestNGListener) InstanceCreator.newInstance(listenerClass);822      addListener(listener);823    }824    // Add the child suite listeners825    List<XmlSuite> childSuites = s.getChildSuites();826    for (XmlSuite c : childSuites) {827      addListeners(c);828    }...Source:Parameters.java  
...713      for (int i = 0; i < parameterCount; i++) {714        String n = "param" + i;715        allParameterNames.put(n, n);716      }717      for (IDataProviderListener dataProviderListener : holder.getListeners()) {718        dataProviderListener.beforeDataProviderExecution(719            dataProviderMethod, testMethod, methodParams.context);720      }721      Iterator<Object[]> initParams;722      try {723        initParams = MethodInvocationHelper.invokeDataProvider(724            dataProviderMethod725                .getInstance(), /* a test instance or null if the dataprovider is static*/726            dataProviderMethod.getMethod(),727            testMethod,728            methodParams.context,729            fedInstance,730            annotationFinder);731      } catch (RuntimeException e) {732        for (IDataProviderListener each : holder.getListeners()) {733          each.onDataProviderFailure(testMethod, methodParams.context, e);734        }735        throw e;736      }737      final Iterator<Object[]> parameters = initParams;738      for (IDataProviderListener dataProviderListener : holder.getListeners()) {739        dataProviderListener.afterDataProviderExecution(740            dataProviderMethod, testMethod, methodParams.context);741      }742      // If the data provider is restricting the indices to return, filter them out743      final List<Integer> allIndices = new ArrayList<>();744      allIndices.addAll(testMethod.getInvocationNumbers());745      allIndices.addAll(dataProviderMethod.getIndices());746      Iterator<Object[]> filteredParameters =747          new Iterator<Object[]>() {748            int index = 0;749            boolean hasWarn = false;750            @Override751            public boolean hasNext() {752              if (index == 0 && !parameters.hasNext() && !hasWarn) {...Source:TestInvoker.java  
...194    TestListenerHelper.runTestListeners(tr, m_notifier.getTestListeners());195  }196  private Collection<IDataProviderListener> dataProviderListeners() {197    ISuite suite = this.m_testContext.getSuite();198    Collection<IDataProviderListener> dpListeners = Sets.newHashSet(this.holder.getListeners());199    if (suite instanceof SuiteRunner) {200      Collection<IDataProviderListener> listeners = ((SuiteRunner) suite)201          .getDataProviderListeners();202      dpListeners.addAll(listeners);203    }204    return dpListeners;205  }206  private DataProviderHolder buildDataProviderHolder() {207    DataProviderHolder holder = new DataProviderHolder();208    holder.addListeners(dataProviderListeners());209    holder.addInterceptors(this.holder.getInterceptors());210    return holder;211  }212  /**...Source:SuiteRunner.java  
...307  public List<IReporter> getReporters() {308    return reporters;309  }310  public Collection<IDataProviderListener> getDataProviderListeners() {311    return this.holder.getListeners();312  }313  private void runSequentially() {314    for (TestRunner tr : testRunners) {315      runTest(tr);316    }317  }318  private void runTest(TestRunner tr) {319    visualisers.forEach(tr::addListener);320    tr.run();321    ISuiteResult sr = new SuiteResult(xmlSuite, tr);322    synchronized (suiteResults) {323      suiteResults.put(tr.getName(), sr);324    }325  }...Source:DataProviderHolder.java  
...8 */9public class DataProviderHolder {10  private final Collection<IDataProviderListener> listeners = Sets.newHashSet();11  private final Collection<IDataProviderInterceptor> interceptors = Sets.newHashSet();12  public Collection<IDataProviderListener> getListeners() {13    return Collections.unmodifiableCollection(listeners);14  }15  public Collection<IDataProviderInterceptor> getInterceptors() {16    return Collections.unmodifiableCollection(interceptors);17  }18  public void addListeners(Collection<IDataProviderListener> listeners) {19    listeners.forEach(this::addListener);20  }21  public void addListener(IDataProviderListener listener) {22    listeners.add(listener);23  }24  public void addInterceptors(Collection<IDataProviderInterceptor> interceptors) {25    interceptors.forEach(this::addInterceptor);26  }27  public void addInterceptor(IDataProviderInterceptor interceptor) {28    interceptors.add(interceptor);29  }30  public void merge(DataProviderHolder other) {31    this.listeners.addAll(other.getListeners());32    this.interceptors.addAll(other.getInterceptors());33  }34}getListeners
Using AI Code Generation
1import org.testng.annotations.DataProvider; 2import org.testng.annotations.Test; 3import org.testng.xml.XmlClass; 4import org.testng.xml.XmlInclude; 5import org.testng.xml.XmlSuite; 6import org.testng.xml.XmlTest; 7import java.util.List; 8import java.util.Iterator; 9import java.util.ArrayList; 10import java.util.Arrays; 11import java.util.HashMap; 12import java.util.Map; 13import java.util.Set; 14import java.util.HashSet; 15import java.util.Arrays; 16import org.testng.IAnnotationTransformer; 17import org.testng.IRetryAnalyzer; 18import org.testng.ITestResult; 19import org.testng.annotations.ITestAnnotation; 20import org.testng.annotations.Test; 21import org.testng.collections.Lists; 22import org.testng.annotations.DataProvider; 23import org.testng.annotations.Test; 24import org.testng.xml.XmlClass; 25import org.testng.xml.XmlInclude; 26import org.testng.xml.XmlSuite; 27import org.testng.xml.XmlTest; 28import java.util.List; 29import java.util.Iterator; 30import java.util.ArrayList; 31import java.util.Arrays; 32import java.util.HashMap; 33import java.util.Map; 34import java.util.Set; 35import java.util.HashSet; 36import java.util.Arrays; 37import org.testng.IAnnotationTransformer; 38import org.testng.IRetryAnalyzer; 39import org.testng.ITestResult; 40import org.testng.annotations.ITestAnnotation; 41import org.testng.annotations.Test; 42import org.testng.collections.Lists; 43import org.testng.annotations.DataProvider; 44import org.testng.annotations.Test; 45import org.testng.xml.XmlClass; 46import org.testng.xml.XmlInclude; 47import org.testng.xml.XmlSuite; 48import org.testng.xml.XmlTest; 49import java.util.List; 50import java.util.Iterator; 51import java.util.ArrayList; 52import java.util.Arrays; 53import java.util.HashMap; 54import java.util.Map; 55import java.util.Set; 56import java.util.HashSet; 57import java.util.Arrays; 58import org.testng.IAnnotationTransformer; 59import org.testng.IRetryAnalyzer; 60import org.testng.ITestResult; 61import org.testng.annotations.ITestAnnotation; 62import org.testng.annotations.Test; 63import org.testng.collections.Lists; 64import org.testng.annotations.DataProvider; 65import org.testng.annotations.Test; 66import org.testng.xml.XmlClass; 67import org.testng.xml.XmlInclude; 68import org.testng.xml.XmlSuite; 69import org.testng.xml.XmlTest; 70import java.util.ListgetListeners
Using AI Code Generation
1package com.test;2import java.lang.reflect.Method;3import java.util.Arrays;4import java.util.List;5import org.testng.IInvokedMethod;6import org.testng.IInvokedMethodListener;7import org.testng.IRetryAnalyzer;8import org.testng.ITestContext;9import org.testng.ITestListener;10import org.testng.ITestNGListener;11import org.testng.ITestResult;12import org.testng.annotations.DataProvider;13import org.testng.annotations.Test;14import org.testng.internal.DataProviderHolder;15import org.testng.internal.TestResult;16public class TestNGTest implements ITestListener, IInvokedMethodListener {17    @Test(dataProvider = "dataProvider")18    public void test(String data) {19        System.out.println("data: " + data);20    }21    @DataProvider(name = "dataProvider")22    public Object[][] dataProvider() {23        return new Object[][] { { "data1" }, { "data2" }, { "data3" } };24    }25    public void onTestStart(ITestResult result) {26        System.out.println("onTestStart: " + result.getName());27        ITestNGListener[] listeners = ((TestResult) result).getTestContext().getSuite().getListeners();28        List<ITestNGListener> list = Arrays.asList(listeners);29        for (ITestNGListener listener : list) {30            if (listener instanceof DataProviderHolder) {31                for (ITestNGListener listener1 : ((DataProviderHolder) listener).getListeners()) {32                    if (listener1 instanceof ITestListener) {33                        ITestListener testListener = (ITestListener) listener1;34                        for (ITestResult testResult : testListener.getConfigurationFailures()) {35                            System.out.println("Configuration failure: " + testResult.getThrowable().getMessage());36                            System.out.println("Stack trace: " + Arrays.toString(testgetListeners
Using AI Code Generation
1public void onTestStart(ITestResult result) {2    ITestNGMethod method = result.getMethod();3    String methodName = method.getMethodName();4    String className = method.getTestClass().getName();5    String testFullName = className + "." + methodName;6    System.out.println("Test Name : " + testFullName);7    DataProviderHolder dataProviderHolder = new DataProviderHolder();8    List<ITestNGListener> listeners = dataProviderHolder.getListeners();9    for (ITestNGListener listener : listeners) {10        if (listener instanceof IInvokedMethodListener) {11            IInvokedMethodListener methodListener = (IInvokedMethodListener) listener;12            System.out.println("Listener Name : " + methodListener.getClass().getName());13        }14    }15}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.
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