assertRaises must check for a specific exception
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ID: python-best-practices/assertraises-specific-exception
Language: Python
Severity: Warning
Category: Error Prone
Description
When checking an exception, check for a specific exception. Checking for Exception may bypass the verification of the correct behavior of the program.
Using a generic exception is error-prone and give a false sense of correctness. Instead, use the correct exception to check against.
Non-Compliant Code Examples
self.assertRaises(Exception, foo) # check a specific Exception, not a generic one
Compliant Code Examples
self.assertRaises(ValueError, foo)
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