Introduction Unit testing requires isolating individual components from their dependencies. Dependencies are replaced with mocks, which simulate certain use cases. This way, we can validate the in-test component behavior across various external context scenarios. Web components can be unit tested using mock business logic services. Services can be tested against mock data access repositories. But the data access layer is not a good candidate for unit testing because database statements need to be validated against an actual running database system. Integration testing database options Ideally, our tests should run against a production-like… Read More