/*
    * 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.fluent;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.io.File;
  import java.net.URL;
  import java.util.Map;
  
  import org.apache.commons.configuration2.CombinedConfiguration;
  import org.apache.commons.configuration2.Configuration;
  import org.apache.commons.configuration2.ConfigurationAssert;
  import org.apache.commons.configuration2.INIConfiguration;
  import org.apache.commons.configuration2.PropertiesConfiguration;
  import org.apache.commons.configuration2.XMLConfiguration;
  import org.apache.commons.configuration2.builder.BasicConfigurationBuilder;
  import org.apache.commons.configuration2.builder.FileBasedConfigurationBuilder;
  import org.apache.commons.configuration2.builder.combined.CombinedConfigurationBuilder;
  import org.apache.commons.configuration2.ex.ConfigurationException;
  import org.apache.commons.configuration2.plist.PropertyListConfiguration;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test class for {@code Configurations}.
   */
  public class TestConfigurations {
      /** Constant for the name of the test properties file. */
      private static final String TEST_PROPERTIES = "test.properties";
  
      /** Constant for the name of the test XML file. */
      private static final String TEST_XML = "test.xml";
  
      /** Constant for the name of the test ini file. */
      private static final String TEST_INI = "test.ini";
  
      /** Constant for the name of the configuration definition file. */
      private static final String TEST_COMBINED = "testDigesterConfiguration.xml";
  
      /** Constant for the name of the test PList file. */
      private static final String TEST_PLIST = "test.plist";
  
      /**
       * Generates an absolute path for the test file with the given name.
       *
       * @param name the name of the test file
       * @return the full path to this file
       */
      private static String absolutePath(final String name) {
          return ConfigurationAssert.getTestFile(name).getAbsolutePath();
      }
  
      /**
       * Checks whether a combined configuration was successfully loaded.
       *
       * @param config the configuration instance to be checked.
       */
      private static void checkCombined(final Configuration config) {
          checkProperties(config);
          checkXML(config);
      }
  
      /**
       * Checks whether a test INI configuration was correctly loaded.
       *
       * @param config the configuration instance to be checked.
       */
      private static void checkINI(final INIConfiguration config) {
          assertEquals("yes", config.getProperty("testini.loaded"));
      }
  
      /**
       * Checks whether a property list configuration was correctly loaded.
       *
       * @param config the configuration instance to be checked.
       */
      private static void checkPList(final Configuration config) {
          assertEquals("string1", config.getProperty("simple-string"));
      }
  
      /**
       * Checks whether a test properties configuration was correctly loaded.
      *
      * @param config the configuration instance to be checked.
      */
     private static void checkProperties(final Configuration config) {
         assertEquals("true", config.getString("configuration.loaded"));
     }
 
     /**
      * Checks whether a test XML configuration was correctly loaded.
      *
      * @param config the configuration instance to be checked.
      */
     private static void checkXML(final Configuration config) {
         assertEquals("value", config.getProperty("element"));
     }
 
     /**
      * Tests whether a combined configuration builder can be constructed for a file.
      */
     @Test
     public void testCombinedBuilderFromFile() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final CombinedConfigurationBuilder builder = configs.combinedBuilder(ConfigurationAssert.getTestFile(TEST_COMBINED));
         checkCombined(builder.getConfiguration());
     }
 
     /**
      * Tests whether a combined configuration builder can be constructed for a file path.
      */
     @Test
     public void testCombinedBuilderFromPath() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final CombinedConfigurationBuilder builder = configs.combinedBuilder(absolutePath(TEST_COMBINED));
         checkCombined(builder.getConfiguration());
     }
 
     /**
      * Tests whether a combined configuration builder can be constructed for a URL.
      */
     @Test
     public void testCombinedBuilderFromURL() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final CombinedConfigurationBuilder builder = configs.combinedBuilder(ConfigurationAssert.getTestURL(TEST_COMBINED));
         checkCombined(builder.getConfiguration());
     }
 
     /**
      * Tests whether a combined configuration can be loaded from a file.
      */
     @Test
     public void testCombinedFromFile() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final CombinedConfiguration config = configs.combined(ConfigurationAssert.getTestFile(TEST_COMBINED));
         checkCombined(config);
     }
 
     /**
      * Tests whether a combined configuration can be loaded from a file path.
      */
     @Test
     public void testCombinedFromPath() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final CombinedConfiguration config = configs.combined(absolutePath(TEST_COMBINED));
         checkCombined(config);
     }
 
     /**
      * Tests whether a combined configuration can be loaded from a URL.
      */
     @Test
     public void testCombinedFromURL() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final CombinedConfiguration config = configs.combined(ConfigurationAssert.getTestURL(TEST_COMBINED));
         checkCombined(config);
     }
 
     /**
      * Tests whether a default {@code Parameters} instance is created if necessary.
      */
     @Test
     public void testDefaultParameters() {
         final Configurations configs = new Configurations();
         assertNotNull(configs.getParameters());
     }
 
     /**
      * Tests whether a builder for a file-based configuration can be created if an input File is specified.
      */
     @Test
     public void testFileBasedBuilderWithFile() {
         final Configurations configs = new Configurations();
         final File file = ConfigurationAssert.getTestFile(TEST_PROPERTIES);
         final FileBasedConfigurationBuilder<PropertiesConfiguration> builder = configs.fileBasedBuilder(PropertiesConfiguration.class, file);
         assertEquals(file.toURI(), builder.getFileHandler().getFile().toURI());
     }
 
     /**
      * Tests whether a builder for a file-based configuration can be created if a file name is specified.
      */
     @Test
     public void testFileBasedBuilderWithPath() {
         final Configurations configs = new Configurations();
         final String filePath = absolutePath(TEST_PROPERTIES);
         final FileBasedConfigurationBuilder<PropertiesConfiguration> builder = configs.fileBasedBuilder(PropertiesConfiguration.class, filePath);
         assertEquals(filePath, builder.getFileHandler().getFileName());
     }
 
     /**
      * Tests whether a builder for a file-based configuration can be created if a URL is specified.
      */
     @Test
     public void testFileBasedBuilderWithURL() {
         final Configurations configs = new Configurations();
         final URL url = ConfigurationAssert.getTestURL("test.properties");
         final FileBasedConfigurationBuilder<PropertiesConfiguration> builder = configs.fileBasedBuilder(PropertiesConfiguration.class, url);
         assertEquals(url, builder.getFileHandler().getURL());
     }
 
     /**
      * Tests whether a file-based configuration can be loaded from a file.
      */
     @Test
     public void testFileBasedFile() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final PropertyListConfiguration config = configs.fileBased(PropertyListConfiguration.class, ConfigurationAssert.getTestFile(TEST_PLIST));
         checkPList(config);
     }
 
     /**
      * Tests whether a file-based configuration can be loaded from a file path.
      */
     @Test
     public void testFileBasedPath() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final PropertyListConfiguration config = configs.fileBased(PropertyListConfiguration.class, absolutePath(TEST_PLIST));
         checkPList(config);
     }
 
     /**
      * Tests whether a file-based configuration can be loaded from a URL.
      */
     @Test
     public void testFileBasedURL() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final PropertyListConfiguration config = configs.fileBased(PropertyListConfiguration.class, ConfigurationAssert.getTestURL(TEST_PLIST));
         checkPList(config);
     }
 
     /**
      * Tests whether a builder for a INI configuration can be created for a given file.
      */
     @Test
     public void testINIBuilderFromFile() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<INIConfiguration> builder = configs.iniBuilder(ConfigurationAssert.getTestFile(TEST_INI));
         checkINI(builder.getConfiguration());
     }
 
     /**
      * Tests whether a builder for a INI configuration can be created for a given file path.
      */
     @Test
     public void testINIBuilderFromPath() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<INIConfiguration> builder = configs.iniBuilder(absolutePath(TEST_INI));
         checkINI(builder.getConfiguration());
     }
 
     /**
      * Tests whether a builder for a INI configuration can be created for a given URL.
      */
     @Test
     public void testINIBuilderFromURL() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<INIConfiguration> builder = configs.iniBuilder(ConfigurationAssert.getTestURL(TEST_INI));
         checkINI(builder.getConfiguration());
     }
 
     /**
      * Tests whether a INI configuration can be loaded from a file.
      */
     @Test
     public void testINIFromFile() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final INIConfiguration config = configs.ini(ConfigurationAssert.getTestFile(TEST_INI));
         checkINI(config);
     }
 
     /**
      * Tests whether a INI configuration can be loaded from a file path.
      */
     @Test
     public void testINIFromPath() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final INIConfiguration config = configs.ini(absolutePath(TEST_INI));
         checkINI(config);
     }
 
     /**
      * Tests whether a INI configuration can be loaded from a URL.
      */
     @Test
     public void testINIFromURL() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final INIConfiguration config = configs.ini(ConfigurationAssert.getTestURL(TEST_INI));
         checkINI(config);
     }
 
     /**
      * Tests whether parameters can be passed in at construction time.
      */
     @Test
     public void testInitWithParameters() {
         final Parameters params = new Parameters();
         final Configurations configs = new Configurations(params);
         assertSame(params, configs.getParameters());
     }
 
     /**
      * Tests whether a builder for a properties configuration can be created for a given file.
      */
     @Test
     public void testPropertiesBuilderFromFile() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<PropertiesConfiguration> builder = configs.propertiesBuilder(ConfigurationAssert.getTestFile(TEST_PROPERTIES));
         checkProperties(builder.getConfiguration());
     }
 
     /**
      * Tests whether a builder for a properties configuration can be created for a given file path.
      */
     @Test
     public void testPropertiesBuilderFromPath() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<PropertiesConfiguration> builder = configs.propertiesBuilder(absolutePath(TEST_PROPERTIES));
         checkProperties(builder.getConfiguration());
     }
 
     /**
      * Tests whether a builder for a properties configuration can be created for a given file path when an include is not
      * found.
      */
     @Test
     public void testPropertiesBuilderFromPathIncludeNotFoundFail() {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<PropertiesConfiguration> builder = configs.propertiesBuilder(absolutePath("include-not-found.properties"));
         assertThrows(ConfigurationException.class, builder::getConfiguration);
     }
 
     /**
      * Tests whether a builder for a properties configuration can be created for a given file path when an include is not
      * found.
      */
     @Test
     public void testPropertiesBuilderFromPathIncludeNotFoundPass() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final String absPath = absolutePath("include-not-found.properties");
         final FileBasedConfigurationBuilder<PropertiesConfiguration> builderFail = configs.propertiesBuilder(absPath);
         assertThrows(ConfigurationException.class, builderFail::getConfiguration);
         assertThrows(ConfigurationException.class, () -> configs.properties(absPath));
         {
             // Expect success:
             // @formatter:off
             final Map<String, Object> map =
                     new Parameters().properties()
                             .setPath(absPath)
                             .setIncludeListener(PropertiesConfiguration.NOOP_INCLUDE_LISTENER)
                             .getParameters();
             // @formatter:on
             final BasicConfigurationBuilder<PropertiesConfiguration> builderOk = configs.propertiesBuilder(absPath).addParameters(map);
             final PropertiesConfiguration configuration = builderOk.getConfiguration();
             assertEquals("valueA", configuration.getString("keyA"));
         }
         {
             // Expect success:
             // @formatter:off
             final BasicConfigurationBuilder<PropertiesConfiguration> builderOk = configs.propertiesBuilder(
                     new Parameters().properties()
                         .setPath(absPath)
                         .setIncludeListener(PropertiesConfiguration.NOOP_INCLUDE_LISTENER));
             // @formatter:on
             final PropertiesConfiguration configuration = builderOk.getConfiguration();
             assertEquals("valueA", configuration.getString("keyA"));
         }
     }
 
     /**
      * Tests whether a builder for a properties configuration can be created for a given URL.
      */
     @Test
     public void testPropertiesBuilderFromURL() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<PropertiesConfiguration> builder = configs.propertiesBuilder(ConfigurationAssert.getTestURL(TEST_PROPERTIES));
         checkProperties(builder.getConfiguration());
     }
 
     /**
      * Tests whether a properties configuration can be loaded from a file.
      */
     @Test
     public void testPropertiesFromFile() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final PropertiesConfiguration config = configs.properties(ConfigurationAssert.getTestFile(TEST_PROPERTIES));
         checkProperties(config);
     }
 
     /**
      * Tests whether a properties configuration can be loaded from a file path.
      */
     @Test
     public void testPropertiesFromPath() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final PropertiesConfiguration config = configs.properties(absolutePath(TEST_PROPERTIES));
         checkProperties(config);
     }
 
     /**
      * Tests whether a properties configuration can be loaded from a URL.
      */
     @Test
     public void testPropertiesFromURL() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final PropertiesConfiguration config = configs.properties(ConfigurationAssert.getTestURL(TEST_PROPERTIES));
         checkProperties(config);
     }
 
     /**
      * Tests whether a builder for a XML configuration can be created for a given file.
      */
     @Test
     public void testXMLBuilderFromFile() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<XMLConfiguration> builder = configs.xmlBuilder(ConfigurationAssert.getTestFile(TEST_XML));
         checkXML(builder.getConfiguration());
     }
 
     /**
      * Tests whether a builder for a XML configuration can be created for a given file path.
      */
     @Test
     public void testXMLBuilderFromPath() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<XMLConfiguration> builder = configs.xmlBuilder(absolutePath(TEST_XML));
         checkXML(builder.getConfiguration());
     }
 
     /**
      * Tests whether a builder for a XML configuration can be created for a given URL.
      */
     @Test
     public void testXMLBuilderFromURL() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final FileBasedConfigurationBuilder<XMLConfiguration> builder = configs.xmlBuilder(ConfigurationAssert.getTestURL(TEST_XML));
         checkXML(builder.getConfiguration());
     }
 
     /**
      * Tests whether a XML configuration can be loaded from a file.
      */
     @Test
     public void testXMLFromFile() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final XMLConfiguration config = configs.xml(ConfigurationAssert.getTestFile(TEST_XML));
         checkXML(config);
     }
 
     /**
      * Tests whether a XML configuration can be loaded from a URL.
      */
     @Test
     public void testXMLFromPath() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final XMLConfiguration config = configs.xml(absolutePath(TEST_XML));
         checkXML(config);
     }
 
     /**
      * Tests whether a XML configuration can be loaded from a URL.
      */
     @Test
     public void testXMLFromURL() throws ConfigurationException {
         final Configurations configs = new Configurations();
         final XMLConfiguration config = configs.xml(ConfigurationAssert.getTestURL(TEST_XML));
         checkXML(config);
     }
 }