Explain the Test Pyramid and its strategic use
Tests your grasp of balanced testing trade-offs. A good answer defines the Unit, Service, and UI layers, explains the cost/speed rationale, and applies it to a feature strategy. A red flag is describing the pyramid but not its strategic 'why'.
This tests your understanding of a balanced, automated testing portfolio and its trade-offs in speed, cost, and reliability. A great answer defines the Unit, Service, and UI layers, explains why you want many fast unit tests and few slow E2E tests, and applies this by prioritizing unit/integration tests for business logic while using E2E tests sparingly for critical user flows.
Read the original → martinfowler.com
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- #agile
- #architecture
- #strategy
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