MoreoverJsonActivitySerializerIT.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
 *
 *   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.streams.moreover.test;

import org.apache.streams.data.ActivitySerializer;
import org.apache.streams.moreover.MoreoverJsonActivitySerializer;
import org.apache.streams.moreover.MoreoverTestUtil;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.io.IOUtils;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

import java.io.InputStream;
import java.io.StringWriter;
import java.nio.charset.Charset;

/**
 * Tests ability to serialize moreover json Strings.
 */
public class MoreoverJsonActivitySerializerIT {

  JsonNode json;
  ActivitySerializer serializer = new MoreoverJsonActivitySerializer();
  ObjectMapper mapper;

  /**
   * Before.
   * @throws Exception Exception
   */
  @BeforeClass
  public void setup() throws Exception {

    StringWriter writer = new StringWriter();
    InputStream resourceAsStream = this.getClass().getResourceAsStream("/moreover.json");
    IOUtils.copy(resourceAsStream, writer, Charset.forName("UTF-8"));

    mapper = new ObjectMapper();
    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, Boolean.FALSE);
    mapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, Boolean.TRUE);
    mapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, Boolean.TRUE);

    json = mapper.readValue(writer.toString(), JsonNode.class);
  }

  @Test
  public void loadData() throws Exception {
    for (JsonNode item : json) {
      MoreoverTestUtil.validate(serializer.deserialize(getString(item)));
    }
  }


  private String getString(JsonNode jsonNode)  {
    try {
      return new ObjectMapper().writeValueAsString(jsonNode);
    } catch (JsonProcessingException ex) {
      throw new RuntimeException(ex);
    }
  }

}