/*
    * 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.commons.configuration2.builder;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.ArgumentMatchers.eq;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.verifyNoMoreInteractions;
  import static org.mockito.Mockito.when;
  
  import org.apache.commons.configuration2.Configuration;
  import org.apache.commons.configuration2.PropertiesConfiguration;
  import org.apache.commons.configuration2.ex.ConfigurationException;
  import org.apache.commons.configuration2.reloading.ReloadingController;
  import org.apache.commons.configuration2.reloading.ReloadingDetector;
  import org.apache.commons.configuration2.reloading.ReloadingEvent;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test class for {@code ReloadingBuilderSupportListener}.
   */
  public class TestReloadingBuilderSupportListener {
      /**
       * Tests that the builder is reset when a reloading event notification occurs.
       */
      @Test
      public void testResetBuilderOnReloadingEvent() {
          final ReloadingDetector detector = mock(ReloadingDetector.class);
  
          when(detector.isReloadingRequired()).thenReturn(true);
  
          final ReloadingController controller = new ReloadingController(detector);
          final BasicConfigurationBuilder<Configuration> builder = new BasicConfigurationBuilder<>(PropertiesConfiguration.class);
          final BuilderEventListenerImpl builderListener = new BuilderEventListenerImpl();
          builder.addEventListener(ConfigurationBuilderEvent.ANY, builderListener);
  
          final ReloadingBuilderSupportListener listener = ReloadingBuilderSupportListener.connect(builder, controller);
          assertNotNull(listener);
          controller.checkForReloading(null);
          builderListener.nextEvent(ConfigurationBuilderEvent.RESET);
          builderListener.assertNoMoreEvents();
      }
  
      /**
       * Tests that the controller's reloading state is reset when a new result object is created.
       */
      @Test
      public void testResetReloadingStateOnResultCreation() throws ConfigurationException {
          final ReloadingController controller = mock(ReloadingController.class);
  
          final BasicConfigurationBuilder<Configuration> builder = new BasicConfigurationBuilder<>(PropertiesConfiguration.class);
  
          final ReloadingBuilderSupportListener listener = ReloadingBuilderSupportListener.connect(builder, controller);
          assertNotNull(listener);
          builder.getConfiguration();
  
          verify(controller).addEventListener(eq(ReloadingEvent.ANY), any());
          verify(controller).resetReloadingState();
          verifyNoMoreInteractions(controller);
      }
  }