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.common.config.provider;
  
  import java.io.IOException;
  import java.io.Reader;
  import java.io.StringReader;
  import java.nio.file.Path;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class MockFileConfigProvider extends FileConfigProvider {
  
      private static final Map<String, MockFileConfigProvider> INSTANCES = Collections.synchronizedMap(new HashMap<>());
      private String id;
      private boolean closed = false;
  
      public void configure(Map<String, ?> configs) {
          super.configure(configs);
  
          Object id = configs.get("testId");
          if (id == null) {
              throw new RuntimeException(getClass().getName() + " missing 'testId' config");
          }
          if (this.id != null) {
              throw new RuntimeException(getClass().getName() + " instance was configured twice");
          }
          this.id = id.toString();
          INSTANCES.put(id.toString(), this);
      }
  
      @Override
      protected Reader reader(Path path) throws IOException {
          return new StringReader("key=testKey\npassword=randomPassword");
      }
  
      @Override
      public synchronized void close() {
          closed = true;
      }
  
      public static void assertClosed(String id) {
          MockFileConfigProvider instance = INSTANCES.remove(id);
          assertNotNull(instance);
          synchronized (instance) {
              assertTrue(instance.closed);
          }
      }
  }
  