Automaters: Full Stack QA_SDET: How to rerun only failed test cases using testng in automation testing framework? TestNG listeners for Automation Framework

Wednesday 12 August 2020

How to rerun only failed test cases using testng in automation testing framework? TestNG listeners for Automation Framework

1. Create a class which implements IRetryAnalyzer and provide the retry count @maxRetryCount

public class FailRetry implements IRetryAnalyzer {

private int retryCount = 0;
private static final int maxRetryCount = 2;

@Override
public boolean retry(ITestResult result) {
    if (retryCount < maxRetryCount) {
      retryCount++;
      return true;
    }
    return false;
}
}

2. Create a class which implements IAnnotationTransformer and pass the class name that we have created in step-1 @setRetryAnalyzer

public class RetryListener implements IAnnotationTransformer {

    @Override
    public void transform(ITestAnnotation testannotation, Class testClass,
            Constructor testConstructor, Method testMethod)    {
        IRetryAnalyzer retry = testannotation.getRetryAnalyzer();

        if (retry == null)    {
            testannotation.setRetryAnalyzer(FailRetry.class);//pass the class name created in Step-1
        }

    }
}

3. Add listener in testng.xml file after the suite tag as below and define the class name created in Step-2 with the package path

<suite name="Automation Test Suite for IX Onespace">
<listeners>
        <listener class-name="com.task.automation.util.RetryListener"/>
</listeners>

Need more Framework Design related code: Check out below post==>https://automationreinvented.blogspot.com/search/label/FrameworkDesign