/*
 * Copyright (c) 2010 Lockheed Martin Corporation
 *
 * 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.eurekastreams.server.persistence.mappers.cache;

import static org.junit.Assert.assertEquals;

import org.jmock.Expectations;
import org.jmock.Mockery;
import org.jmock.integration.junit4.JUnit4Mockery;
import org.jmock.lib.legacy.ClassImposteriser;
import org.junit.Test;

/**
 * Test fixture for SingleValueCacheMapper.
 */
public class SingleValueCacheMapperTest
{
    /**
     * Context for building mock objects.
     */
    private final Mockery context = new JUnit4Mockery()
    {
        {
            setImposteriser(ClassImposteriser.INSTANCE);
        }
    };

    /**
     * Cache.
     */
    private Cache cache = context.mock(Cache.class);

    /**
     * Cache key suffix transformer.
     */
    private Transformer<String, String> keySuffixTransformer = context.mock(Transformer.class);

    /**
     * Cache key prefix.
     */
    private String cacheKeyPrefix;

    /**
     * Test execute.
     */
    @Test
    public void testExecute()
    {
        SingleValueCacheMapper sut = new SingleValueCacheMapper<String, String>("PREFIX:", keySuffixTransformer);
        sut.setCache(cache);

        context.checking(new Expectations()
        {
            {
                oneOf(keySuffixTransformer).transform("SUFFIX");
                will(returnValue("FOO"));

                oneOf(cache).get("PREFIX:FOO");
                will(returnValue("RESULT"));
            }
        });

        assertEquals("RESULT", sut.execute("SUFFIX"));

        context.assertIsSatisfied();
    }
}