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.ambari.server.utils;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  import java.util.regex.Pattern;
  
  import org.junit.Test;
  
  import com.google.gson.JsonElement;
  import com.google.gson.JsonParser;
  
  import junit.framework.Assert;
  
  /**
   * Complementary class used in tests to check if string representation corresponds to Set/Map
   */
  public class CollectionPresentationUtils {
  
    /**
     * Checks if string representation corresponds to the collection. Parts of an expected collection should not contain
     * delimiter.
     */
    public static boolean isStringPermutationOfCollection(String input, Collection<String> expected, String delimeter,
                                                          int trimFromStart, int trimFromEnd) {
      input = input.substring(trimFromStart, input.length() - trimFromEnd);
      List<String> parts = new ArrayList<>(Arrays.asList(input.split(Pattern.quote(delimeter))));
      for (String part : expected) {
        if (parts.contains(part)) {
          parts.remove(part);
        }
      }
      return parts.isEmpty();
    }
  
    public static boolean isJsonsEquals(String input1, String input2) {
      JsonParser parser = new JsonParser();
      JsonElement input1Parsed = parser.parse(input1);
      JsonElement input2Parsed = parser.parse(input2);
      return input1Parsed.equals(input2Parsed);
    }
  
    @Test
    public void testIsStringPermutationOfCollection() {
      String input1 = "{\"foo\":\"bar\",\"foobar\":\"baz\"}";
      String input2 = "{\"foobar\":\"baz\",\"foo\":\"bar\"}";
      String input3 = "{\"fooba\":\"baz\",\"foo\":\"bar\"}";
      Set<String> expected = new HashSet<>(Arrays.asList(new String[]{"\"foo\":\"bar\"", "\"foobar\":\"baz\""}));
  
      Assert.assertTrue(CollectionPresentationUtils.isStringPermutationOfCollection(input1, expected, ",", 1, 1));
      Assert.assertTrue(CollectionPresentationUtils.isStringPermutationOfCollection(input2, expected, ",", 1, 1));
      Assert.assertFalse(CollectionPresentationUtils.isStringPermutationOfCollection(input3, expected, ",", 1, 1));
    }
  }
  