JUnit 5: The Next Step in Automated Testing for Java

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" summary

JUnit 5 targets a Java 8 baseline and ships as modular Platform/Vintage/Jupiter artifacts, so existing JUnit 4 suites run under Vintage while Jupiter provides the new programming model. Migration includes a junit-jupiter-migration-support dependency to keep rules/runners working; a demo shows a suite passing once that migration artifact is added. Key features shown are assertAll (multiple failures reported), the extension model (replaces rules/runners, supports Mockito/Testcontainers injection), parameterized/dynamic tests, CSV/aggregators, conditional disable, and parallel execution added in 5.3.

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" chapters (14)

1. 0:00Introduction
2. 0:54IBM
3. 1:38Why change
4. 2:59Modularity
5. 3:36Backward Compatibility
6. 7:08Migration Requirements
7. 8:09Upgrading to JUnit 5
8. 14:32Language Changes
9. 15:11Extension Framework
10. 19:08Dependency Injection
11. 22:59Parameterised Tests
12. 28:10Repeated Tests
13. 31:18Test Interfaces
14. 34:55Disable Filtering

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