Testing Patterns

Common testing patterns and practices. This skill is designed to be included in composite skills via the 'includes' feature.

dicklesworthstone 98def5a 908 B Updated

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Testing Patterns

Foundational testing practices applicable across languages and frameworks.

Rules

  • Write tests for happy paths and error cases
  • Test edge cases and boundary conditions
  • Each test should test one thing
  • Tests should be deterministic and repeatable
  • Use descriptive test names that explain the scenario

Checklist

  • Happy path is covered
  • Error cases are tested
  • Edge cases are identified and tested
  • Tests are independent and can run in any order
  • Test data is isolated per test
  • No flaky tests in the suite

Pitfalls

  • Testing implementation details instead of behavior
  • Not testing error paths
  • Shared mutable state between tests
  • Tests that depend on execution order

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