Interface BeforeEachCallback
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- All Superinterfaces:
Extension
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface @API(status=STABLE, since="5.0") public interface BeforeEachCallback extends ExtensionBeforeEachCallbackdefines the API forExtensionsthat wish to provide additional behavior to tests before each test is invoked.In this context, the term test refers to the actual test method plus any user defined setup methods (e.g.,
@BeforeEachmethods).Concrete implementations often implement
AfterEachCallbackas well.Constructor Requirements
Consult the documentation in
Extensionfor details on constructor requirements.Wrapping Behavior
JUnit Jupiter guarantees wrapping behavior for multiple registered extensions that implement lifecycle callbacks such as
BeforeAllCallback,AfterAllCallback,BeforeEachCallback,AfterEachCallback,BeforeTestExecutionCallback, andAfterTestExecutionCallback.That means that, given two extensions
Extension1andExtension2withExtension1registered beforeExtension2, any "before" callbacks implemented byExtension1are guaranteed to execute before any "before" callbacks implemented byExtension2. Similarly, given the two same two extensions registered in the same order, any "after" callbacks implemented byExtension1are guaranteed to execute after any "after" callbacks implemented byExtension2.Extension1is therefore said to wrapExtension2.- Since:
- 5.0
- See Also:
BeforeEach,AfterEachCallback,BeforeTestExecutionCallback,AfterTestExecutionCallback,BeforeAllCallback,AfterAllCallback
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description voidbeforeEach(ExtensionContext context)Callback that is invoked before each test is invoked.
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Method Detail
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beforeEach
void beforeEach(ExtensionContext context) throws java.lang.Exception
Callback that is invoked before each test is invoked.- Parameters:
context- the current extension context; nevernull- Throws:
java.lang.Exception
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