/*
 * $Id$
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.tiles.request.velocity;

import static org.easymock.classextension.EasyMock.*;
import static org.junit.Assert.*;

import java.util.Set;

import org.apache.velocity.context.Context;
import org.junit.Before;
import org.junit.Test;

/**
 * Tests {@link VelocityScopeMap}.
 *
 * @version $Rev$ $Date$
 */
public class VelocityScopeMapTest {

    /**
     * The Velocity context.
     */
    private Context request;

    /**
     * The map to test.
     */
    private VelocityScopeMap map;

    /**
     * Sets up the test.
     */
    @Before
    public void setUp() {
        request = createMock(Context.class);
        map = new VelocityScopeMap(request);
    }

    /**
     * Test method for {@link org.apache.tiles.request.velocity.VelocityScopeMap#containsKey(java.lang.Object)}.
     */
    @Test
    public void testContainsKey() {
        expect(request.containsKey("key")).andReturn(true);

        replay(request);
        assertTrue(map.containsKey("key"));
        verify(request);
    }

    /**
     * Test method for {@link org.apache.tiles.request.velocity.VelocityScopeMap#isEmpty()}.
     */
    @Test
    public void testIsEmpty() {
        expect(request.getKeys()).andReturn(new Object[0]);

        replay(request);
        assertTrue(map.isEmpty());
        verify(request);
    }

    /**
     * Test method for {@link org.apache.tiles.request.velocity.VelocityScopeMap#isEmpty()}.
     */
    @Test
    public void testIsEmptyFalse() {
        expect(request.getKeys()).andReturn(new Object[] {"one", "two"});

        replay(request);
        assertFalse(map.isEmpty());
        verify(request);
    }

    /**
     * Test method for {@link org.apache.tiles.request.velocity.VelocityScopeMap#keySet()}.
     */
    @Test
    public void testKeySet() {
        expect(request.getKeys()).andReturn(new Object[] {"one", "two"});

        replay(request);
        Set<String> set = map.keySet();
        assertEquals(2, set.size());
        assertTrue(set.contains("one"));
        assertTrue(set.contains("two"));
        verify(request);
    }

    /**
     * Test method for {@link org.apache.tiles.request.velocity.VelocityScopeMap#size()}.
     */
    @Test
    public void testSize() {
        expect(request.getKeys()).andReturn(new Object[] {"one", "two"});

        replay(request);
        assertEquals(2, map.size());
        verify(request);
    }

    /**
     * Test method for {@link VelocityScopeMap#put(String, Object)}.
     */
    @Test
    public void testPutStringObject() {
        expect(request.put("key", "value")).andReturn("oldValue");

        replay(request);
        assertEquals("oldValue", map.put("key", "value"));
        verify(request);
    }

    /**
     * Test method for {@link org.apache.tiles.request.velocity.VelocityScopeMap#remove(java.lang.Object)}.
     */
    @Test
    public void testRemoveObject() {
        expect(request.remove("key")).andReturn("value");

        replay(request);
        assertEquals("value", map.remove("key"));
        verify(request);
    }
}