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.kafka.metadata;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.Properties;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class MockConfigRepositoryTest {
  
      @Test
      public void testEmptyRepository() {
          MockConfigRepository repository = new MockConfigRepository();
          assertEquals(new Properties(), repository.brokerConfig(0));
          assertEquals(new Properties(), repository.topicConfig("foo"));
          assertEquals(new Properties(), repository.groupConfig("group"));
      }
  
      @Test
      public void testSetTopicConfig() {
          MockConfigRepository repository = new MockConfigRepository();
          String topic0 = "topic0";
          repository.setTopicConfig(topic0, "foo", null);
  
          String topic1 = "topic1";
          repository.setTopicConfig(topic1, "foo", "bar");
          Properties topicProperties = new Properties();
          topicProperties.put("foo", "bar");
          assertEquals(topicProperties, repository.topicConfig(topic1));
  
          Properties topicProperties2 = new Properties();
          topicProperties2.put("foo", "bar");
          topicProperties2.put("foo2", "baz");
          repository.setTopicConfig(topic1, "foo2", "baz"); // add another prop
          assertEquals(topicProperties2, repository.topicConfig(topic1)); // should get both props
  
          repository.setTopicConfig(topic1, "foo2", null);
          assertEquals(topicProperties, repository.topicConfig(topic1));
      }
  }
  