How @Listener annotation can be used in TestNG?

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Jun 10, 2019 in Selenium by Barkha
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1 answer to this question.

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Hey Barkha, TestNG @listeners are used to configure reports and logging. One of the most widely used listeners in TestNG is ITestListener interface. Listener is basically an interface that modifies the default TestNG's behavior. As the name suggests Listeners "listen" to the event defined in the selenium script and behave accordingly. It is used in selenium by implementing Listeners Interface. It allows customizing TestNG reports or logs. There are many types of TestNG listeners available. ITestListener has following methods: 

  • OnStart- OnStart method is called when any Test starts.
  • onTestSuccess- onTestSuccess method is called on the success of any Test.
  • onTestFailure- onTestFailure method is called on the failure of any Test.
  • onTestSkipped- onTestSkipped method is called on skipped of any Test.
  • onTestFailedButWithinSuccessPercentage- method is called each time Test fails but is within success percentage.
  • onFinish- onFinish method is called after all Tests are executed.
answered Jun 10, 2019 by Abha
• 27,910 points

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