How to use formatFailures method of org.mockitoutil.JUnitResultAssert class

Best Mockito code snippet using org.mockitoutil.JUnitResultAssert.formatFailures

Source:JUnitResultAssert.java

...20    public void isSuccessful() {21        if (result.wasSuccessful()) {22            return;23        }24        throw new AssertionError(formatFailures(result.getFailures()));25    }26    /**27     * @param expectedFailureCount - expected number of failures28     * @param expectedException - the exception of each failure29     */30    public JUnitResultAssert fails(int expectedFailureCount, Class expectedException) {31        fails(expectedFailureCount);32        for (Failure f : result.getFailures()) {33            if (!expectedException.isInstance(f.getException())) {34                throw new AssertionError("Incorrect failure type, expected: " + expectedException + ", actual: " + f.getException().getClass().getSimpleName() + "\n" +35                        formatFailures(result.getFailures()));36            }37        }38        return this;39    }40    /**41     * @param expectedFailureCount - exact number of expected failures42     */43    public JUnitResultAssert fails(int expectedFailureCount) {44        if (result.getFailures().size() != expectedFailureCount) {45            throw new AssertionError("Wrong number of failures, expected: " + expectedFailureCount + ", actual: " + result.getFailures().size() + "\n" +46                    formatFailures(result.getFailures()));47        }48        return this;49    }50    /**51     * @param expectedExceptions - failures must match the supplied sequence in order,52     *                           if supplied input is empty, this method is a no-op53     */54    public JUnitResultAssert failsExactly(Class ... expectedExceptions) {55        fails(expectedExceptions.length);56        int i = 0;57        for (Failure f : result.getFailures()) {58            if (!expectedExceptions[i].isInstance(f.getException())) {59                throw new AssertionError("Actual failure #" + (i+1)60                        + " should be of type: " + expectedExceptions[i].getSimpleName()61                        + " but is of type: " + f.getException().getClass().getSimpleName()62                        + "\n" + formatFailures(result.getFailures()));63            }64            i++;65        }66        return this;67    }68    /**69     * Expects single failure with specific exception and exception message.70     * Automatically filters line numbers from exception messages.71     */72    public JUnitResultAssert fails(Class expectedException, String exceptionMessage) {73        fails(1, expectedException);74        Failure f = firstOf(result.getFailures());75        assertEquals(filterLineNo(exceptionMessage), filterLineNo(f.getException().getMessage()));76        return this;77    }78    /**79     * Expects failure of given test method with given exception80     */81    public JUnitResultAssert fails(String methodName, Class expectedException) {82        for (Failure f : result.getFailures()) {83            if (methodName.equals(f.getDescription().getMethodName()) && expectedException.isInstance(f.getException())) {84                return this;85            }86        }87        throw new AssertionError("Method '" + methodName + "' did not fail with: " + expectedException.getSimpleName()88                + "\n" + formatFailures(result.getFailures()));89    }90    /**91     * Expects given amount of failures, with given exception triggered by given test method92     */93    public JUnitResultAssert fails(int expectedFailureCount, String methodName, Class expectedException) {94        return fails(expectedFailureCount, expectedException)95                .fails(methodName, expectedException);96    }97    public JUnitResultAssert succeeds(int successCount) {98        int i = result.getRunCount() - result.getFailureCount();99        if (i != successCount) {100            throw new AssertionError("Expected " + successCount + " passes but " + i + "/" + result.getRunCount() + " passed." +101                    "\n" + formatFailures(result.getFailures()));102        }103        return this;104    }105    private static String formatFailures(List<Failure> failures) {106        if (failures.isEmpty()) {107            return "<no failures>";108        }109        StringBuilder sb = new StringBuilder("There were " + failures.size() + " test failures:\n");110        int count = 0;111        for (Failure f : failures) {112            sb.append("  <-----> ").append(++count).append(". ").append(f.getTrace()).append("\n");113        }114        return sb.toString();115    }116    /**117     * Clean assertions for JUnit's result object118     */119    public static JUnitResultAssert assertThat(Result result) {...

formatFailures

Using AI Code Generation

1import org.junit.runner.JUnitCore;2import org.junit.runner.Result;3import org.junit.runner.notification.Failure;4import org.mockitoutil.JUnitResultAssert;5public class TestRunner {6    public static void main(String[] args) {7        Result result = JUnitCore.runClasses(TestJunit.class);8        for (Failure failure : result.getFailures()) {9            System.out.println(failure.toString());10        }11        System.out.println(JUnitResultAssert.formatFailures(result));

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