content: /*
   * 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 org.apache.beam.it.gcp.datastore.matchers;
  
  import static org.apache.beam.it.truthmatchers.PipelineAsserts.assertThatRecords;
  
  import com.google.cloud.datastore.Entity;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import org.apache.beam.it.truthmatchers.RecordsSubject;
  
  @SuppressWarnings({
    "nullness" // TODO(https://github.com/apache/beam/issues/27438)
  })
  public class DatastoreAsserts {
  
    /**
     * Convert Datastore {@link com.google.cloud.datastore.QueryResults} to a list of maps.
     *
     * @param results Results to parse.
     * @return List of maps to use in {@link RecordsSubject}.
     */
    public static List<Map<String, Object>> datastoreResultsToRecords(Collection<Entity> results) {
      try {
        List<Map<String, Object>> records = new ArrayList<>();
  
        for (Entity entity : results) {
          Map<String, Object> converted = new HashMap<>();
  
          for (Map.Entry<String, com.google.cloud.datastore.Value<?>> entry :
              entity.getProperties().entrySet()) {
            converted.put(entry.getKey(), entry.getValue().get());
          }
          records.add(converted);
        }
  
        return records;
      } catch (Exception e) {
        throw new RuntimeException("Error converting Datastore Entities to Records", e);
      }
    }
  
    /**
     * Creates a {@link RecordsSubject} to assert information within a list of records.
     *
     * @param results Records in Datastore {@link Entity} format to use in the comparison.
     * @return Truth subject to chain assertions.
     */
    public static RecordsSubject assertThatDatastoreRecords(Collection<Entity> results) {
      return assertThatRecords(datastoreResultsToRecords(results));
    }
  }
  