Automatic evaluation of test code quality

Abstract

Techniques and solutions are described for automatically evaluating test code. In one technique, test code quality is evaluated by comparing assertions in test code with output values in target code tested by the test code. Output values that are not associated with assertions, or an insufficient number or variety of assertions can indicate that a test can be improved. In another technique, test quality is assessed by dynamically changing target code or test data used with a test. Room for test improvement can be indicated if test code provides a passing result despite changes to test data used with the test or changes to target code executed in conducting the test.