shift-left-testing
Shift-Left Testing
<default_to_action> When implementing early testing practices:
- VALIDATE requirements before coding (testability, BDD scenarios)
- WRITE tests before implementation (TDD)
- AUTOMATE in CI pipeline (every commit triggers tests)
- FIX defects immediately - never let them accumulate
Quick Shift-Left Levels:
- Level 1: Unit tests with each PR (developer responsibility)
- Level 2: TDD practice (tests before code)
- Level 3: BDD/Example mapping in refinement (requirements testing)
- Level 4: Risk analysis in design (architecture testing) </default_to_action>
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