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Bootstrapping the TestContext Framework
The default configuration for the internals of the Spring TestContext Framework is
sufficient for all common use cases. However, there are times when a development team or
third party framework would like to change the default ContextLoader
, implement a
custom TestContext
or ContextCache
, augment the default sets of
ContextCustomizerFactory
and TestExecutionListener
implementations, and so on. For
such low-level control over how the TestContext framework operates, Spring provides a
bootstrapping strategy.
TestContextBootstrapper
defines the SPI for bootstrapping the TestContext framework. A
TestContextBootstrapper
is used by the TestContextManager
to load the
TestExecutionListener
implementations for the current test and to build the
TestContext
that it manages. You can configure a custom bootstrapping strategy for a
test class (or test class hierarchy) by using @BootstrapWith
, either directly or as a
meta-annotation. If a bootstrapper is not explicitly configured by using
@BootstrapWith
, either the DefaultTestContextBootstrapper
or the
WebTestContextBootstrapper
is used, depending on the presence of @WebAppConfiguration
.
Since the TestContextBootstrapper
SPI is likely to change in the future (to accommodate
new requirements), we strongly encourage implementers not to implement this interface
directly but rather to extend AbstractTestContextBootstrapper
or one of its concrete
subclasses instead.