Unit testing a checkout service in isolation: 5 hand-written test doubles (dummy, stub, spy, mock, fake), then Mockito 5 with captors, InOrder, spies and BDDMockito. 22 tests.
java unit-testing maven mocking mockito assertj software-testing junit5 test-doubles bddmockito qa-automation software-testing-methodologies
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Updated
Oct 17, 2026 - Java