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How do I test expectedExceptionsMessageRegExp (exception message) using TestNG?


How do I test expectedExceptionsMessageRegExp (exception message) using TestNG?

By : Ad1081
Date : January 10 2021, 01:57 PM
To fix the issue you can do I'm using the expectedExceptionsMessageRegExp propery on the @Test annotation to test an exception message, but it is not executing correctly. See the code below. , It seems to work for me:
code :


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TestNG test fails with wrong message even when the message is correct

TestNG test fails with wrong message even when the message is correct


By : Ulaş Atakan Şahin
Date : March 29 2020, 07:55 AM
should help you out Yes it expects a regex. You need to escape the brackets (and the dots but it makes little difference in this case). The test below passes:
code :
@Test(expectedExceptions = RuntimeException.class,
      expectedExceptionsMessageRegExp = "'authority' Uri should have at least one segment in the path \\(i.e. https://<host>/<path>/...\\)")
public void test() {
    String input = "'authority' Uri should have at least one segment in the path (i.e. https://<host>/<path>/...)";
    throw new RuntimeException(input);
}
TestNG expectedExceptionsMessageRegExp and externalized messages

TestNG expectedExceptionsMessageRegExp and externalized messages


By : Naizy Monteiro
Date : March 29 2020, 07:55 AM
hop of those help? Why not using an annotation transformer here?
You will be able to do something like:
code :
@LocalizedException(expectedExceptionsMessageBundle = "bundle.name.goes.here",
      expectedExceptionsMessageLocaleProvider = "functionReturningListOfLocales"
      expectedExceptionsMessageKey = "MESSAGE_KEY_GOES_HERE")
@Test(dataProvider = "getInvalidLetters",
      expectedExceptions = {IllegalArgumentException.class)
public void test() {
  // ...
}
public class LocalizedExceptionTransformer implements IAnnotationTransformer {
  public void transform(ITest annotation, Class testClass,
      Constructor testConstructor, Method testMethod) {
    if (testMethod != null) {
      LocalizedException le = testMethod.getAnnotation(LocalizedException.class);
      if (le != null) {
         String regexp = regexize(le);
         annotation.setExpectedExceptionsMessageRegExp(regexp);
      }
    }
  }
}
Testng test for specific exception with message

Testng test for specific exception with message


By : Nickwong
Date : March 29 2020, 07:55 AM
I hope this helps you . I would use catchThrowable method from AssertJ fluent assertions. This way you can check the exception in test body, like
code :
Throwable t = catchThrowable(() -> databaseManager.findAll(value));
assertThat(t).isInstanceOf(e);
How to call instances of input arguments of TestNg @Test method, after test execution using TestNg ITestResult interface

How to call instances of input arguments of TestNg @Test method, after test execution using TestNg ITestResult interface


By : parimal
Date : March 29 2020, 07:55 AM
should help you out In order to get instances, I created TestNg CustomListener class, where I manually set the input argument (TestCase) as an attribute of every executed test ITestResult:
code :
    public class CustomListener extends TestListenerAdapter {

    @Override
    public void onTestFailure(ITestResult iTestResult) {
        super.onTestFailure(iTestResult);
        TestCase tCase = (TestCase) iTestResult.getParameters()[0];
        iTestResult.setAttribute("failed_case", tCase);
    }

    @Override
    public void onTestSuccess(ITestResult iTestResult) {
        super.onTestSuccess(iTestResult);
        TestCase tCase = (TestCase) iTestResult.getParameters()[0];
        iTestResult.setAttribute("passed_case", tCase);
    }

    @Override
    public void onTestSkipped(ITestResult iTestResult) {
        super.onTestSkipped(iTestResult);
        TestCase tCase = (TestCase) iTestResult.getParameters()[0];
        iTestResult.setAttribute("skipped_case", tCase);
    }
  }
        TestCase failedCase = (TestCase) testResult.getAttribute("failed_case");
        TestCase passedCase = (TestCase) testResult.getAttribute("passed_case");
        TestCase skippedCase = (TestCase) testResult.getAttribute("skipped_case");
Can we use TestNG expectedExceptionsMessageRegExp to match the cause text?

Can we use TestNG expectedExceptionsMessageRegExp to match the cause text?


By : Lay Lay
Date : March 29 2020, 07:55 AM
To fix this issue TestNG relies on Reflection to instantiate your test class and then invoke the @Test method. So an exception from the @Test method would trigger an java.lang.reflect.InvocationTargetException whose getCause() actually results in the exception raised by the @Test method.
TestNG is designed to query the InvocationTargetException.getCause().getMessage() to get the error message of the exception that was raised and then try and match it using the regex that is supplied via the expectedExceptionsMessageRegExp attribute of the @Test annotation.
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