Conditional Tests and Assumptions
Control when tests run in JUnit 5 using conditional execution annotations and assumptions, so your suite adapts to the operating system, environment, and runtime conditions.
Not Every Test Fits Every Environment
Some tests only make sense on a particular OS, JRE, or when a service is available. Running them everywhere causes false failures.
JUnit 5 offers conditional execution and assumptions to handle this gracefully.
Disabling and Enabling Tests
The simplest control is @Disabled, which skips a test entirely. Always include a reason so the team knows why.
@Test
@Disabled("flaky until APIv2 lands")
void legacyFlow() { /* ... */ }All lessons in this course
- Test Lifecycle and Ordering
- Parameterized and Dynamic Tests
- Exception Testing & Timeouts
- Conditional Tests and Assumptions