Testing strategies
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The document discusses different strategies for testing software, including testing with mocks and fakes, as well as types of tests like unit, integration, contract and system tests. It also covers types of external dependencies applications may have like read/write to databases, and challenges of testing with external adapters like availability and speed issues.
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Testing strategies
- 1. Testing strategies Software Craft Grenoble 20/09/2022
- 2. Test SUT Stub Spy Test SUT Fake / Simulator Other classes Setup Setup Veri fi cation Veri fi cation Testing with mocks Testing with fakes
- 3. Test SUT Fake / Simulator Other classes Setup Veri fi cation Domai n Interface Read depencency
- 4. Test SUT Fake / Simulator Other classes Setup Veri fi cation Domai n Interface Write depencency
- 5. Test SUT Fake / Simulator Other classes Setup Veri fi cation Read-Write depencency
- 6. Syste m test
- 8. Uni t test
- 10. Test Real adapter Simulator Contract = running the same test Domai n Interface Including anti-corruptio n layer External Service
- 11. Values of a test • Protect against regressions • Allow refactoring • Allow changes • Fast • Deterministic • Con fi dence • Precise • Documentation
- 12. Types of external dependencies Rea d - Registries - Pdf extraction - Weather Writ e - Emailing - Payments - Job launching Read - Writ e - Data stores - Identity pools - File systems
- 13. Annoyances with adapter tests • Availability • Speed • External changes? - and frequency • Cost of call • Accessible locally?