/*
    * 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.web;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.util.Enumeration;
  import java.util.Properties;
  
  import javax.servlet.FilterConfig;
  import javax.servlet.ServletContext;
  
  import org.apache.commons.configuration2.AbstractConfiguration;
  import org.apache.commons.configuration2.TestAbstractConfiguration;
  import org.apache.commons.configuration2.convert.DefaultListDelimiterHandler;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test case for the {@link ServletFilterConfiguration} class.
   */
  public class TestServletFilterConfiguration extends TestAbstractConfiguration {
      private static final class MockFilterConfig implements FilterConfig {
          private final Properties parameters = new Properties();
  
          @Override
          public String getFilterName() {
              return null;
          }
  
          @Override
          public String getInitParameter(final String key) {
              return parameters.getProperty(key);
          }
  
          @Override
          public Enumeration<?> getInitParameterNames() {
              return parameters.keys();
          }
  
          @Override
          public ServletContext getServletContext() {
              return null;
          }
  
          public void setInitParameter(final String key, final String value) {
              parameters.setProperty(key, value);
          }
      }
  
      @Override
      protected AbstractConfiguration getConfiguration() {
          final MockFilterConfig config = new MockFilterConfig();
          config.setInitParameter("key1", "value1");
          config.setInitParameter("key2", "value2");
          config.setInitParameter("list", "value1, value2");
          config.setInitParameter("listesc", "value1\\,value2");
  
          final AbstractConfiguration resultConfig = new ServletFilterConfiguration(config);
          resultConfig.setListDelimiterHandler(new DefaultListDelimiterHandler(','));
          return resultConfig;
      }
  
      @Override
      protected AbstractConfiguration getEmptyConfiguration() {
          return new ServletFilterConfiguration(new MockFilterConfig());
      }
  
      @Override
      @Test
      public void testAddPropertyDirect() {
          assertThrows(UnsupportedOperationException.class, super::testAddPropertyDirect);
      }
  
      @Override
      @Test
      public void testClearProperty() {
          assertThrows(UnsupportedOperationException.class, super::testClearProperty);
      }
  
      @Override
      @Test
      public void testContainsValue() {
          assertFalse(getConfiguration().containsValue(null));
         assertFalse(getConfiguration().containsValue(""));
     }
 }