library/src/test/java/org/apache/apex/malhar/lib/appdata/schemas/SnapshotSchemaTest.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.schemas;

import java.util.Map;

import org.junit.Assert;
import org.junit.Test;

import com.google.common.collect.Maps;

public class SnapshotSchemaTest
{
  public static final String TEST_JSON = "{\n"
      + " \"values\": [\n"
      + "   {\"name\": \"url\", \"type\":\"string\"},\n"
      + "   {\"name\": \"count\", \"type\":\"integer\"}\n"
      + " ]\n"
      + "}";

  @Test
  public void schemaSnapshotFieldTypeTest()
  {
    SnapshotSchema schema = new SnapshotSchema(TEST_JSON);

    Assert.assertEquals("The schemaType must match.", SnapshotSchema.SCHEMA_TYPE, schema.getSchemaType());
    Assert.assertEquals("The schemaVersion must match", SnapshotSchema.SCHEMA_VERSION, schema.getSchemaVersion());

    Map<String, Type> expectedFieldToType = Maps.newHashMap();
    expectedFieldToType.put("url", Type.STRING);
    expectedFieldToType.put("count", Type.INTEGER);

    Map<String, Type> fieldToType = schema.getValuesDescriptor().getFieldToType();

    Assert.assertEquals("The field to type must match", expectedFieldToType, fieldToType);
  }
}