I have the following exception while mocking a final method with PowerMock.
My previous code was:
java.lang.illegalStateException: missing behavior definition for the preceding method call
My previous code was:
ReloadableResourceBundleMessageSource mockMessage = createMock(ReloadableResourceBundleMessageSource.class); expect(mockMessage.getMessage("text", null, Locale.ENGLISH)).andReturn("error_message"); replay(mockMessage);
Then I realized that createMock() and replay() belongs to EasyMock not PowerMock.
I explicitly did these calls:
ReloadableResourceBundleMessageSource mockMessage = PowerMock.createMock(ReloadableResourceBundleMessageSource .class); expect(mockMessage.getMessage("text", null, Locale.ENGLISH)).andReturn("error_message"); PowerMock.replay(mockMessage);
But that's not enough. For PowerMock to work, you'll also need to add few annotations before the class definition.
@RunWith(PowerMockRunner.class) @PrepareForTest(ReloadableResourceBundleMessageSource.class)
Notice that @PrepareForTest can also be defined just before the test method.
After these fixes my test begins to work.
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