Sam Brannen 9181cce65f Support @⁠MockitoBean at the type level on test classes ...

Prior to this commit, @⁠MockitoBean could only be declared on fields
within test classes, which prevented developers from being able to
easily reuse mock configuration across a test suite.

With this commit, @⁠MockitoBean is now supported at the type level on
test classes, their superclasses, and interfaces implemented by those
classes. @⁠MockitoBean is also supported on enclosing classes for
@⁠Nested test classes, their superclasses, and interfaces implemented
by those classes, while honoring @⁠NestedTestConfiguration semantics.

In addition, @⁠MockitoBean:

- has a new `types` attribute that can be used to declare the type or
  types to mock when @⁠MockitoBean is declared at the type level

- can be declared as a repeatable annotation at the type level

- can be declared as a meta-annotation on a custom composed annotation
  which can be reused across a test suite (see the @⁠SharedMocks
  example in the reference manual)

To support these new features, this commit also includes the following
changes.

- The `field` property in BeanOverrideHandler is now @⁠Nullable.

- BeanOverrideProcessor has a new `default` createHandlers() method
  which is invoked when a @⁠BeanOverride annotation is found at the
  type level.

- MockitoBeanOverrideProcessor implements the new createHandlers()
  method.

- The internal findHandlers() method in BeanOverrideHandler has been
  completely overhauled.

- The @⁠MockitoBean and @⁠MockitoSpyBean section of the reference
  manual has been completely overhauled.

Closes gh-33925

2025-01-15 17:13:35 +01:00

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Support @⁠MockitoBean at the type level on test classes

2025-01-15 17:13:35 +01:00