/*
    * 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
    *
    *     https://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.combined;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.mockito.Mockito.mock;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.commons.configuration2.beanutils.BeanHelper;
  import org.apache.commons.configuration2.builder.BuilderParameters;
  import org.apache.commons.configuration2.builder.FileBasedBuilderParametersImpl;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test class for {@code MultiFileBuilderParametersImpl}.
   */
  public class TestMultiFileBuilderParametersImpl {
  
      /** The parameters object to be tested. */
      private MultiFileBuilderParametersImpl params;
  
      @BeforeEach
      public void setUp() throws Exception {
          params = new MultiFileBuilderParametersImpl();
      }
  
      /**
       * Tests whether bean property access is possible.
       */
      @Test
      void testBeanProperties() throws Exception {
          final BuilderParameters bp = mock(BuilderParameters.class);
          final String pattern = "testPattern";
          BeanHelper.setProperty(params, "filePattern", pattern);
          BeanHelper.setProperty(params, "managedBuilderParameters", bp);
          BeanHelper.setProperty(params, "throwExceptionOnMissing", Boolean.TRUE);
          final Map<String, Object> map = params.getParameters();
          assertEquals(Boolean.TRUE, map.get("throwExceptionOnMissing"));
          assertSame(params, MultiFileBuilderParametersImpl.fromParameters(map));
          assertEquals(pattern, params.getFilePattern());
          assertSame(bp, params.getManagedBuilderParameters());
      }
  
      /**
       * Tests extended cloning functionality.
       */
      @Test
      void testClone() {
          final FileBasedBuilderParametersImpl managedParams = new FileBasedBuilderParametersImpl();
          managedParams.setFileName("test.xml");
          params.setManagedBuilderParameters(managedParams);
          params.setFilePattern("somePattern");
          final MultiFileBuilderParametersImpl clone = params.clone();
          assertEquals(params.getFilePattern(), clone.getFilePattern());
          assertNotSame(params.getManagedBuilderParameters(), clone.getManagedBuilderParameters());
          assertEquals(managedParams.getFileHandler().getFileName(),
                  ((FileBasedBuilderParametersImpl) clone.getManagedBuilderParameters()).getFileHandler().getFileName());
      }
  
      /**
       * Tests whether an instance can be obtained from a parameters map.
       */
      @Test
      void testFromParametersFound() {
          final Map<String, Object> map = params.getParameters();
          assertSame(params, MultiFileBuilderParametersImpl.fromParameters(map, true));
      }
  
      /**
       * Tests whether a new instance is created if the parameters map does not contain one.
       */
      @Test
      void testFromParametersNewInstance() {
          params = MultiFileBuilderParametersImpl.fromParameters(new HashMap<>(), true);
          assertNotNull(params);
      }
  
      /**
      * Tests whether an instance can be obtained from a map if it cannot be found.
      */
     @Test
     void testFromParatersNotFound() {
         assertNull(MultiFileBuilderParametersImpl.fromParameters(new HashMap<>()));
     }
 
     /**
      * Tests whether a file pattern can be set.
      */
     @Test
     void testSetFilePattern() {
         final String pattern = "somePattern";
         assertSame(params, params.setFilePattern(pattern));
         assertEquals(pattern, params.getFilePattern());
     }
 
     /**
      * Tests whether parameters for managed configurations can be set.
      */
     @Test
     void testSetManagedBuilderParameters() {
         final BuilderParameters bp = mock(BuilderParameters.class);
         assertSame(params, params.setManagedBuilderParameters(bp));
         assertSame(bp, params.getManagedBuilderParameters());
     }
 }