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Building Maintainable Elixir Applications with TDD
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=== Tips for Effective TDD in Elixir === Here are some tips to help you practice effective TDD when building Elixir applications: * '''Keep tests focused and isolated''': Write small, focused tests that cover a specific piece of functionality. Avoid writing tests that depend on the state of other tests. * '''Use Elixir's built-in testing frameworks''': Elixir provides powerful testing frameworks like ExUnit and Doctest. Familiarize yourself with these frameworks and leverage their features to write expressive and concise tests. * '''Make use of Elixir's pattern matching''': Elixir's pattern matching capabilities can greatly simplify the creation of test cases. Take advantage of pattern matching in both your tests and production code. * '''Mock external dependencies when necessary''': When testing code that interacts with external dependencies, such as APIs or databases, consider using mocks or stubs to isolate the code under test. * '''Refactor with confidence''': With a solid test suite in place, feel free to refactor your code to improve its design or performance. If your tests pass after refactoring, you can be confident that you haven't introduced any regressions.
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