@Test public void testConfigure() { WildcardMatchConstraint wildcardMatchConstraint = new WildcardMatchConstraint(); WildcardMatch annotation = mock(WildcardMatch.class); String pattern = "foo"; stub(annotation.value()).toReturn(pattern); wildcardMatchConstraint.configure(annotation); assertEquals( "method must return the same pattern as was set to annotation when configure", wildcardMatchConstraint.getPattern(), pattern); }