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Fixed non-idempotent unit tests in JSONObjectTest#889
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May 3, 2024
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Motivation:
A couple of tests in
JSONObjectTestare not idempotent and fail in the second runs in the same JVM, because they pollute states reused by themselves. Specifically, these tests first assume thatSingletonEnum.getInstance()orSingleton.getInstance()are in a clean state, and then modify them. However, these instances are not cleaned up after the tests, so the repeated runs fail in the initial sanity check. It shall be good to clean the state pollution so that potential newly introduced tests do not fail in the future due to the shared state polluted by these tests.Two non-idempotent tests are:
testSingletonEnumBean()testSingletonBean()Error messages for both failed tests in the second run:
Proposed Fix
Add a
tearDown()method to restore the instances ofSingletonEnumandSingletonto default states.