TestMapEntryDeserialization.java

/**
 * Copyright (C) 2012 Ness Computing, 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 com.nesscomputing.jackson;

import static org.junit.Assert.assertEquals;

import java.util.Map.Entry;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.Maps;
import com.google.inject.Guice;
import com.google.inject.Inject;

import org.junit.Before;
import org.junit.Test;

import com.nesscomputing.config.ConfigModule;

public class TestMapEntryDeserialization
{
    @Inject
    ObjectMapper mapper;

    @Before
    public void setUp()
    {
        Guice.createInjector(ConfigModule.forTesting(), new NessJacksonModule()).injectMembers(this);
    }

    @Test
    public void testMapEntrySerialization() throws Exception
    {
        Entry<String, Integer> entry = Maps.immutableEntry("hi", 3);
        assertEquals(entry, mapper.readValue(mapper.writeValueAsString(entry), new TypeReference<Entry<String, Integer>>() {}));
    }

    @Test
    public void testMapEntryNullValueSerialization() throws Exception
    {
        Entry<String, Integer> entry = Maps.immutableEntry("hi", null);
        assertEquals(entry, mapper.readValue(mapper.writeValueAsString(entry), new TypeReference<Entry<String, Integer>>() {}));
    }

    @Test
    public void testMapEntryNullKeySerialization() throws Exception
    {
        Entry<String, Integer> entry = Maps.immutableEntry(null, 3);
        assertEquals(entry, mapper.readValue(mapper.writeValueAsString(entry), new TypeReference<Entry<String, Integer>>() {}));
    }
}