org.localmatters.serializer.serialization.MapSerializationTest.java Source code

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Here is the source code for org.localmatters.serializer.serialization.MapSerializationTest.java

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/*
   Copyright 2010-present Local Matters, Inc.
    
   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.localmatters.serializer.serialization;

import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.eq;
import static org.easymock.EasyMock.expectLastCall;
import static org.easymock.EasyMock.getCurrentArguments;
import static org.easymock.EasyMock.isA;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.same;
import static org.easymock.EasyMock.verify;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import junit.framework.TestCase;

import org.apache.commons.collections.CollectionUtils;
import org.easymock.IAnswer;
import org.localmatters.serializer.SerializationContext;
import org.localmatters.serializer.serialization.MapSerialization.SameKeyValueEntry;
import org.localmatters.serializer.writer.Writer;

/**
 * Tests the <code>MapSerialization</code>
 */
public class MapSerializationTest extends TestCase {
    private MapSerialization ser;
    private Serialization parentSer;
    private Serialization value;
    private List<String> comments;
    private Writer writer;
    private SerializationContext ctx;

    /**
     * @see junit.framework.TestCase#setUp()
     */
    @Override
    protected void setUp() throws Exception {
        value = createMock(Serialization.class);
        parentSer = createMock(Serialization.class);
        comments = new ArrayList<String>();
        ser = new MapSerialization();
        ser.setKey("key");
        ser.setValue(value);
        ser.setComments(comments);
        writer = createMock(Writer.class);
        ctx = new SerializationContext(writer, null, null);
    }

    /**
     * Tests the serialization when the object is not a map, an array or an 
     * iterable
     */
    public void testHandleWhenNotMapArrayIterable() throws Exception {
        replay(writer, value, parentSer);
        try {
            ser.serialize(parentSer, "addresses", new Object(), ctx);
            fail("MapExpectedException expected");
        } catch (MapExpectedException e) {
        }
        verify(writer, value, parentSer);
    }

    /**
     * Tests the serialization when the object is null
     */
    public void testHandleWhenNull() throws Exception {
        writer.writeMap(parentSer, "addresses", null, "key", value, comments, ctx);
        replay(writer, value, parentSer);
        ser.serialize(parentSer, "addresses", null, ctx);
        verify(writer, value, parentSer);
    }

    /**
     * Tests the serialization of an array
     */
    @SuppressWarnings("unchecked")
    public void testHandleArray() throws Exception {
        String[] array = new String[] { "hello", "world" };
        writer.writeMap(same(parentSer), eq("addresses"), isA(Collection.class), eq("key"), same(value),
                same(comments), same(ctx));
        expectLastCall().andAnswer(new IAnswer<Object>() {
            public Object answer() throws Throwable {
                Collection<SameKeyValueEntry<String>> entries = (Collection<SameKeyValueEntry<String>>) getCurrentArguments()[2];
                assertEquals(2, CollectionUtils.size(entries));
                Iterator<SameKeyValueEntry<String>> itr = entries.iterator();
                SameKeyValueEntry<String> entry = itr.next();
                assertEquals("hello", entry.getEntry());
                assertEquals("hello", entry.getKey());
                assertEquals("hello", entry.getValue());
                entry = itr.next();
                assertEquals("world", entry.getEntry());
                assertEquals("world", entry.getKey());
                assertEquals("world", entry.getValue());
                return null;
            }
        });
        replay(writer, value, parentSer);
        ser.serialize(parentSer, "addresses", array, ctx);
        verify(writer, value, parentSer);
    }

    /**
     * Tests the serialization of an iterable
     */
    @SuppressWarnings("unchecked")
    public void testHandleIterable() throws Exception {
        Iterable<String> iterable = Arrays.asList("hello", "world");
        writer.writeMap(same(parentSer), eq("addresses"), isA(Collection.class), eq("key"), same(value),
                same(comments), same(ctx));
        expectLastCall().andAnswer(new IAnswer<Object>() {
            public Object answer() throws Throwable {
                Collection<SameKeyValueEntry<String>> entries = (Collection<SameKeyValueEntry<String>>) getCurrentArguments()[2];
                assertEquals(2, CollectionUtils.size(entries));
                Iterator<SameKeyValueEntry<String>> itr = entries.iterator();
                SameKeyValueEntry<String> entry = itr.next();
                assertEquals("hello", entry.getEntry());
                assertEquals("hello", entry.getKey());
                assertEquals("hello", entry.getValue());
                entry = itr.next();
                assertEquals("world", entry.getEntry());
                assertEquals("world", entry.getKey());
                assertEquals("world", entry.getValue());
                return null;
            }
        });
        replay(writer, value, parentSer);
        ser.serialize(parentSer, "addresses", iterable, ctx);
        verify(writer, value, parentSer);
    }

    /**
     * Tests the serialization of a map
     */
    @SuppressWarnings({ "rawtypes", "unchecked" })
    public void testHandle() throws Exception {
        Map map = new HashMap<String, String>();
        writer.writeMap(parentSer, "addresses", map.entrySet(), "key", value, comments, ctx);
        replay(writer, value, parentSer);
        ser.serialize(parentSer, "addresses", map, ctx);
        verify(writer, value, parentSer);
    }
}