@FunctionalInterface @API(status=STABLE, since="5.0") public interface BeforeEachCallback extends Extension
BeforeEachCallback
defines the API for Extensions
that 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.,
@BeforeEach
methods).
Concrete implementations often implement AfterEachCallback
as well.
Consult the documentation in Extension
for details on
constructor requirements.
JUnit Jupiter guarantees wrapping behavior for multiple
registered extensions that implement lifecycle callbacks such as
BeforeAllCallback
, AfterAllCallback
,
BeforeEachCallback
, AfterEachCallback
,
BeforeTestExecutionCallback
, and AfterTestExecutionCallback
.
That means that, given two extensions Extension1
and
Extension2
with Extension1
registered before
Extension2
, any "before" callbacks implemented by Extension1
are guaranteed to execute before any "before" callbacks implemented by
Extension2
. Similarly, given the two same two extensions registered
in the same order, any "after" callbacks implemented by Extension1
are guaranteed to execute after any "after" callbacks implemented by
Extension2
. Extension1
is therefore said to wrap
Extension2
.
BeforeEach
,
AfterEachCallback
,
BeforeTestExecutionCallback
,
AfterTestExecutionCallback
,
BeforeAllCallback
,
AfterAllCallback
Modifier and Type | Method and Description |
---|---|
void |
beforeEach(ExtensionContext context)
Callback that is invoked before each test is invoked.
|
void beforeEach(ExtensionContext context) throws Exception
context
- the current extension context; never null
Exception
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