Testing Patterns

Principles for reliable test suites.

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1. Testing Pyramid

        /\          E2E (Few)
       /  \         Critical flows
      /----\
     /      \       Integration (Some)
    /--------\      API, DB queries
   /          \
  /------------\    Unit (Many)
                    Functions, classes

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2. AAA Pattern

Step	Purpose
Arrange	Set up test data
Act	Execute code under test
Assert	Verify outcome

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3. Test Type Selection

🧠 Knowledge Modules (Fractal Skills)

1. When to Use Each

2. Good Unit Tests

3. What to Unit Test

4. What to Test

5. Setup/Teardown

6. When to Mock

7. Mock Types

8. Naming

9. Grouping

10. Strategies

11. Principles