/*
 * Copyright 2005-2011 the original author or authors.
 * 
 * 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.wamblee.xmlrouter.impl;

import static junit.framework.Assert.*;
import static org.mockito.Mockito.*;

import java.util.concurrent.atomic.AtomicLong;

import org.junit.Before;
import org.junit.Test;
import org.wamblee.xmlrouter.common.Id;

public class ConfigImplTest {

    private static interface MyType {

    }

    private static class MyTypeWrapper implements MyType {
        private Id<MyType> id;
        private MyType type;

        public MyTypeWrapper(Id<MyType> aId, MyType aType) {
            id = aId;
            type = aType;
        }

        public MyType getType() {
            return type;
        }
    }

    private AtomicLong sequence;
    private ExtendedConfig<MyType> config;

    @Before
    public void setUp() {
        sequence = new AtomicLong(1L);
        config = new ConfigImpl<MyType>(sequence) {
            @Override
            public MyType wrap(Id<MyType> aId, MyType aT) {
                return new MyTypeWrapper(aId, aT);
            }
        };
    }

    @Test
    public void testAdd() {
        MyType type1 = mock(MyType.class);
        assertFalse(config.isDirty());

        Id<MyType> id1 = config.add(type1);

        assertNotNull(id1);
        assertEquals(1, config.map().size());
        assertTrue(config.map().get(id1) instanceof MyTypeWrapper);
        assertSame(type1, ((MyTypeWrapper) config.map().get(id1)).getType());
        assertTrue(config.isDirty());

        config.resetDirty();
        assertFalse(config.isDirty());

        // add another one.
        MyType type2 = mock(MyType.class);
        Id<MyType> id2 = config.add(type2);
        assertNotNull(id2);
        assertEquals(2, config.map().size());
        assertFalse(id1.equals(id2));
        assertTrue(config.isDirty());

    }

    @Test
    public void testRemove() {
        MyType type1 = mock(MyType.class);
        Id<MyType> id1 = config.add(type1);

        assertNotNull(id1);
        assertEquals(1, config.map().size());

        config.resetDirty();
        assertFalse(config.isDirty());

        config.remove(id1);
        assertTrue(config.map().isEmpty());
        assertTrue(config.isDirty());
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testUnmodifiable() {
        config.map().put(new Id<MyType>(100L), mock(MyType.class));
    }
}