Spring Testing Fundamentals

Signals: assertThat, assertThatThrownBy, given/willReturn, then(mock).should, ArgumentCaptor, @MockitoBean, @MockitoSpyBean, @DirtiesContext, context caching, testing pyramid

Tested With

• Spring Boot 3.2+ / Spring Boot 4.x
• Spring Framework 6.x / Spring Framework 7.x
• AssertJ 3.24+
• Mockito 5.x
• JUnit 5

Do NOT Use This Skill When