ViolationMatchers.java 文件源码

public static Matcher<Violation> hasType(final String expectedType) {
    return new TypeSafeDiagnosingMatcher<Violation>() {
        @Override
        protected boolean matchesSafely(final Violation violation, final Description mismatchDescription) {
            final String actualType = violation.getViolationType();
            if (!Objects.equals(actualType, expectedType)) {
                mismatchDescription.appendText("type was ").appendValue(actualType);
                return false;
            } else {
                return true;
            }
        }

        @Override
        public void describeTo(final Description description) {
            description.appendText("violation of type ").appendValue(expectedType);
        }
    };
}