[FLINK-39767][tests][JUnit5 migration] Module: flink-statebackend-forst#28261
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[FLINK-39767][tests][JUnit5 migration] Module: flink-statebackend-forst#28261spuru9 wants to merge 1 commit into
spuru9 wants to merge 1 commit into
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Migrate all JUnit 4 tests in flink-statebackend-forst to JUnit 5 (Jupiter): - Replace org.junit.* imports with org.junit.jupiter.api.* - @Before/@After/@BeforeClass/@afterclass -> @BeforeEach/@AfterEach/@BeforeAll/@afterall - @Rule/@ClassRule TemporaryFolder -> @tempdir + TempDirUtils helpers - @test(expected = X.class) -> assertThatThrownBy(...).isInstanceOf(X.class) - @RunWith(Parameterized.class) -> @ExtendWith(ParameterizedTestExtension.class) with Flink's @Parameters/@parameter annotations and @testtemplate - Hamcrest + org.junit.Assert.* assertions -> AssertJ (project convention) - Drop extends TestLogger and public modifiers per the migration guide
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What is the purpose of the change
Migrate all JUnit 4 tests in
flink-state-backends/flink-statebackend-forstto JUnit 5 (Jupiter) as part of the ongoing migration tracked under FLINK-25325. This eliminates the last JUnit 4 imports from the ForSt module.JIRA: FLINK-39767
Brief change log
9 test files migrated:
ForStIncrementalCheckpointRescalingTest— parameterized:@RunWith(Parameterized.class)→@ExtendWith(ParameterizedTestExtension.class)with@TestTemplateForStInitITCaseForStMemoryControllerUtilsTestForStMultiClassLoaderTestForStNativeMetricOptionsTestForStOperationsUtilsTestForStResourceContainerTestForStStateBackendConfigTestForStStateBackendFactoryTestPer-file changes:
org.junit.*imports →org.junit.jupiter.api.*@Before/@After/@BeforeClass/@AfterClass→@BeforeEach/@AfterEach/@BeforeAll/@AfterAll@Rule TemporaryFolder/@ClassRule TemporaryFolder→@TempDir java.nio.file.Path+TempDirUtils.newFolder(...)/TempDirUtils.newFile(...)@Test(expected = X.class)→assertThatThrownBy(...).isInstanceOf(X.class)org.junit.Assert.*→ AssertJ (project convention)extends TestLoggerandpublicmodifiers per the Flink JUnit 5 Migration GuideNo production code is touched.
Verifying this change
This change is a test refactor and is covered by the migrated tests themselves:
Result: 976 tests run, 0 failures, 0 errors, 5 skipped. Total test count and pass/skip distribution match the pre-migration baseline.
Does this pull request potentially affect one of the following parts:
@Public(Evolving): (no)Documentation
Was generative AI tooling used to co-author this PR?