/*
 * Copyright 2006-2007,  Unitils.org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.unitils.mock.core;

import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.junit.Before;
import org.junit.Test;

/**
 * Tests the mock object functionality.
 *
 * @author Tim Ducheyne
 * @author Filip Neven
 */
public class MockObjectRaisesTest {

    /* Class under test */
    private MockObject<TestClass> mockObject;


    @Before
    public void setUp() {
        mockObject = new MockObject<TestClass>("testMock", TestClass.class, this);
    }


    /**
     * Tests setting an exception behavior for the mock. The behavior is an always matching behavior
     * so the method should keep throwing that same exception.
     */
    @Test
    public void raises() {
        mockObject.raises(new ThreadDeath()).testMethodString();

        boolean exception1 = false;
        try {
            mockObject.getMock().testMethodString();
        } catch (ThreadDeath e) {
            exception1 = true;
        }
        boolean exception2 = false;
        try {
            mockObject.getMock().testMethodString();
        } catch (ThreadDeath e) {
            exception2 = true;
        }
        assertTrue(exception1);
        assertTrue(exception2);
    }


    /**
     * Tests setting an once exception behavior for the mock. The behavior should be executed only once, the second time
     * no exception should be raised.
     */
    @Test
    public void onceRaises() {
        mockObject.onceRaises(new ThreadDeath()).testMethodString();

        boolean exception1 = false;
        try {
            mockObject.getMock().testMethodString();
        } catch (ThreadDeath e) {
            exception1 = true;
        }
        boolean exception2 = false;
        try {
            mockObject.getMock().testMethodString();
        } catch (ThreadDeath e) {
            exception2 = true;
        }
        assertTrue(exception1);
        assertFalse(exception2);
    }


    @Test
    public void raisesWithExceptionClass() {
        mockObject.raises(IllegalArgumentException.class).testMethodString();

        try {
            mockObject.getMock().testMethodString();
            fail("Expected exception");
        } catch (IllegalArgumentException e) {
            // expected
        }
    }


    @Test
    public void onceRaisesWithexceptionClass() {
        mockObject.onceRaises(IllegalArgumentException.class).testMethodString();

        try {
            mockObject.getMock().testMethodString();
            fail("Expected exception");
        } catch (IllegalArgumentException e) {
            // expected
        }
    }


    /**
     * Interface that is mocked during the tests
     */
    private static interface TestClass {

        public String testMethodString();

    }
}