package org.junit.experimental.results; import org.hamcrest.BaseMatcher; import org.hamcrest.Description; import org.hamcrest.Matcher; import org.junit.internal.matchers.TypeSafeMatcher; /** * Matchers on a PrintableResult, to enable JUnit self-tests. * For example: * *
 * 		assertThat(testResult(HasExpectedException.class), isSuccessful());
 * 
*/ public class ResultMatchers { /** * Matches if the tests are all successful */ public static Matcher isSuccessful() { return failureCountIs(0); } /** * Matches if there are {@code count} failures */ public static Matcher failureCountIs(final int count) { return new TypeSafeMatcher() { public void describeTo(Description description) { description.appendText("has " + count + " failures"); } @Override public boolean matchesSafely(PrintableResult item) { return item.failureCount() == count; } }; } /** * Matches if the result has exactly one failure, and it contains {@code string} */ public static Matcher hasSingleFailureContaining(final String string) { return new BaseMatcher() { public boolean matches(Object item) { return item.toString().contains(string) && failureCountIs(1).matches(item); } public void describeTo(Description description) { description.appendText("has single failure containing " + string); } }; } /** * Matches if the result has one or more failures, and at least one of them * contains {@code string} */ public static Matcher hasFailureContaining(final String string) { return new BaseMatcher() { public boolean matches(Object item) { return item.toString().contains(string); } public void describeTo(Description description) { description.appendText("has failure containing " + string); } }; } }