JUnit 5 Release Notes

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If @ParameterizedTest(autoCloseArguments = true), all arguments returned by the used ArgumentsProvider implementations are now closed even if the test method declares fewer parameters.

AutoCloseable arguments returned by an ArgumentsProvider are now closed even if they are wrapped with Named.

AutoCloseable arguments returned by an ArgumentsProvider are now closed even if a failure happens prior to invoking the parameterized method.

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Introduce @ContainerTemplate and ContainerTemplateInvocationContextProvider that allow declaring a top-level or @Nested test class as a template to be invoked multiple times. This may be used, for example, to inject different parameters to be used by all tests in the container template class or to set up each invocation of the container template differently.

New TestTemplateInvocationContext.prepareInvocation(ExtensionContext) callback method allows preparing the ExtensionContext before the test template method is invoked. This may be used, for example, to store entries in its Store to benefit from its cleanup support or for retrieval by other extensions.

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