library/src/test/java/com/datatorrent/lib/appdata/query/serde/MessageDeserializerFactoryTest.java

/**
 * 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 com.datatorrent.lib.appdata.query.serde;

import java.io.IOException;

import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.datatorrent.lib.appdata.schemas.Message;
import com.datatorrent.lib.appdata.schemas.SchemaQuery;

public class MessageDeserializerFactoryTest
{
  @Test
  public void testMalformedQuery()
  {
    @SuppressWarnings("unchecked")
    MessageDeserializerFactory qdf = new MessageDeserializerFactory(SchemaQuery.class);

    String malformed = "{\"}";
    boolean exception = false;

    try {
      qdf.deserialize(malformed);
    } catch (IOException e) {
      exception = true;
    }

    Assert.assertTrue("Resulting query should throw IOException.", exception);
  }

  @Test
  public void testUnregisteredQueryType()
  {
    @SuppressWarnings("unchecked")
    MessageDeserializerFactory qdf = new MessageDeserializerFactory(SchemaQuery.class);

    String unsupportedQuery = "{\"id\":\"1\",\"type\":\"Invalid type\"}";
    boolean exception = false;

    Message data = null;

    try {
      data = qdf.deserialize(unsupportedQuery);
    } catch (IOException e) {
      exception = true;
    }

    Assert.assertTrue("Resulting query should be null.", exception);
  }

  private static final Logger LOG = LoggerFactory.getLogger(MessageDeserializerFactoryTest.class);
}