Mocking
Test doubles for AI systems: mocks, stubs, fakes, and spies explained, with guidance on when to use each for testing AI applications.
Mocking
Mocking AI Services for Testing
Strategies for mocking LLM APIs, embedding services, and vector databases in tests: fixture responses, VCR pattern, deterministic stubs, and …
VCR Pattern for AI API Testing
Record-and-replay pattern for AI API testing: capture real model responses once, replay them in CI for deterministic, fast, and free tests.