How can I ensure comprehensive coverage of a catch block list in my test class?

297    Asked by DanielCameron in Salesforce , Asked on Feb 6, 2024

 I am currently managing a test class in the context of Salesforce. How can I ensure comprehensive coverage of a particular catch block list in my test class during the time dealing with a specific exception scenario in my code? 

Answered by Charles Parr

 In the context of Salesforce, you can comprehensively cover the catch block in your particular test class by using the following approach:-

@Test

Public void testExceptionHandling() {
    Try {
        // Code that may throw an exception
        // …
    } catch (SpecificException e) {
        // Ensure the catch block is covered
        assertNotNull(e.getMessage());
        // Add specific assertions related to the caught exception
    } catch (AnotherException ae) {
        // Handle other exceptions if applicable
        // …
    } finally {
        // Optional: Test any cleanup or finalization logic
        // …
    }
}

In this above example, the test method would include the code which can throw an exception in the environment of a try block. The catch block for the specific exception is then tested by asserting on aspects such as the message of exception and many other relevant properties. This would ensure that the catch block should be effectively covered in your test class. Moreover, you can also handle other exception scenarios if you want and also include logic in the block called “finally” if applicable.



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