/*
    * 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.applet.Applet;
  import java.util.Properties;
  
  import org.apache.commons.configuration2.AbstractConfiguration;
  import org.apache.commons.configuration2.BaseConfiguration;
  import org.apache.commons.configuration2.MapConfiguration;
  import org.apache.commons.configuration2.TestAbstractConfiguration;
  import org.apache.commons.configuration2.convert.DefaultListDelimiterHandler;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test case for the {@link AppletConfiguration} class.
   */
  public class TestAppletConfiguration extends TestAbstractConfiguration {
  
      /** A flag whether tests with an applet can be run. */
      private boolean supportsApplet;
  
      @Override
      protected AbstractConfiguration getConfiguration() {
          final AbstractConfiguration config;
          final Properties parameters = new Properties();
          parameters.setProperty("key1", "value1");
          parameters.setProperty("key2", "value2");
          parameters.setProperty("list", "value1, value2");
          parameters.setProperty("listesc", "value1\\,value2");
  
          if (supportsApplet) {
              final Applet applet = new Applet() {
                  /**
                   * Serial version UID.
                   */
                  private static final long serialVersionUID = 1L;
  
                  @Override
                  public String getParameter(final String key) {
                      return parameters.getProperty(key);
                  }
  
                  @Override
                  public String[][] getParameterInfo() {
                      return new String[][] {{"key1", "String", ""}, {"key2", "String", ""}, {"list", "String[]", ""}, {"listesc", "String", ""}};
                  }
              };
  
              config = new AppletConfiguration(applet);
          } else {
              config = new MapConfiguration(parameters);
          }
  
          config.setListDelimiterHandler(new DefaultListDelimiterHandler(','));
          return config;
      }
  
      @Override
      protected AbstractConfiguration getEmptyConfiguration() {
          if (supportsApplet) {
              return new AppletConfiguration(new Applet());
          }
          return new BaseConfiguration();
      }
  
      /**
       * Initializes the tests. This implementation checks whether an applet can be used. Some environments, which do not
       * support a GUI, don't allow creating an {@code Applet} instance. If we are in such an environment, some tests need to
       * behave differently or be completely dropped.
       */
      @BeforeEach
      public void setUp() throws Exception {
          try {
              new Applet();
              supportsApplet = true;
          } catch (final Exception ex) {
              // cannot use applets
              supportsApplet = false;
          }
     }
 
     @Override
     @Test
     public void testAddPropertyDirect() {
         if (supportsApplet) {
             assertThrows(UnsupportedOperationException.class, super::testAddPropertyDirect);
         }
     }
 
     @Override
     @Test
     public void testClearProperty() {
         if (supportsApplet) {
             assertThrows(UnsupportedOperationException.class, super::testClearProperty);
         }
     }
 
     @Override
     @Test
     public void testContainsValue() {
         assertFalse(getConfiguration().containsValue(null));
         assertFalse(getConfiguration().containsValue(""));
     }
 }