Test Smell: Multiple Assertions

Learn the importance of writing one assert per test.

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We’ll sometimes find reasons to assert multiple postconditions in a single test. However, more often the multiple assertions indicate that we have two test cases.

Split me

Our longer test screams, “Split me!” The first case represents successfully finding a search result in the input, and the second case represents finding no match. Split the test into two, providing each with a name that concisely states the expected behavior given the context for the test:

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