Modern Testing Tools for Java Developers
summary
Five concrete tools and how they change tests: AssertJ replaces brittle asserts with recursive comparison, soft assertions and custom assertion classes so one line verifies nested DTO fields; RestAssured integrates with OpenAPI-generated clients to remove repetitive request/response plumbing; Awaitility polls up to 10 seconds for asynchronous events instead of Thread.sleep; WireMock runs as a Dockerized service virtualization using JSON mappings (can record traffic) to replace fragile team stubs; PiTest runs mutation testing, surfaces a missed equals/edge case and raises test quality by exposing live mutants.
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chapters (7)
- 0:00Introduction to testing tools
- 2:00Advanced AssertJ features
- 13:46Custom assertions and design
- 21:01API testing with RestAssured
- 30:12Asynchronous testing
- 38:12Service virtualization
- 48:23Mutation testing with PITest
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