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Extracting Application Logic

Explore how to extract application logic from intertwined threading code for better testing. Learn to write unit tests that verify method calls using Mockito, improving the clarity and maintainability of your Java tests.

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The findMatchingProfiles() method is pretty short but still manages to present a good testing challenge. The method intermingles application logic and threading logic. Our first goal is to separate the two.

Start by extracting the logic that gathers MatchSet instances into its own ...