/*
 * Copyright (c) 2007 Mockito contributors
 * This program is made available under the terms of the MIT License.
 */

package org.mockitousage.bugs;

import java.io.OutputStream;
import java.io.PrintStream;
import org.junit.Test;
import org.junit.internal.TextListener;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.RunWith;
import org.mockito.exceptions.base.MockitoException;
import org.mockito.junit.MockitoJUnitRunner;
import org.mockitoutil.TestBase;

import static junit.framework.TestCase.assertEquals;
import static junit.framework.TestCase.assertFalse;
import static junit.framework.TestCase.assertTrue;


// @Ignore("for demo only. this test cannot be enabled as it fails :)")
public class MockitoRunnerBreaksWhenNoTestMethodsTest extends TestBase {

    @Test
    public void ensure_the_test_runner_breaks() throws Exception {
        JUnitCore runner = new JUnitCore();
//        runner.addListener(new TextListener(System.out));
        runner.addListener(new TextListener(DevNull.out));

        Result result = runner.run(TestClassWithoutTestMethod.class);

        assertEquals(1, result.getFailureCount());
        assertTrue(result.getFailures().get(0).getException() instanceof MockitoException);
        assertFalse(result.wasSuccessful());
    }

    @RunWith(MockitoJUnitRunner.class)
    static class TestClassWithoutTestMethod { // package visibility is important
        public void notATestMethod() { }
    }

    public static final class DevNull {
        public final static PrintStream out = new PrintStream(new OutputStream() {
            public void close() {}
            public void flush() {}
            public void write(byte[] b) {}
            public void write(byte[] b, int off, int len) {}
            public void write(int b) {}

        } );
    }
}