/*
    * 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.maven.shared.release.transform.jdom2;
  
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.io.PrintStream;
  import java.io.PrintWriter;
  import java.io.Reader;
  import java.io.StringReader;
  import java.io.Writer;
  
  import org.jdom2.Element;
  import org.jdom2.input.SAXBuilder;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  
  public class JDomPropertiesTest {
      private SAXBuilder builder = new SAXBuilder();
  
      @Test
      public void testSetProperty() throws Exception {
          String content = "<properties></properties>";
          Element propertiesElm = builder.build(new StringReader(content)).getRootElement();
          assertNull(getProperty(propertiesElm, "KEY"));
  
          // Adding not allowed, prepare properties
          content = "<properties><KEY>OLD_VALUE</KEY></properties>";
          propertiesElm = builder.build(new StringReader(content)).getRootElement();
          assertEquals("OLD_VALUE", getProperty(propertiesElm, "KEY"));
          new JDomProperties(propertiesElm).setProperty("KEY", "NEW_VALUE");
          assertEquals("NEW_VALUE", getProperty(propertiesElm, "KEY"));
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testLoadReader() throws Exception {
          new JDomProperties(null).load((Reader) null);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testLoadInputStream() throws Exception {
          new JDomProperties(null).load((InputStream) null);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testSave() {
          new JDomProperties(null).save(null, null);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testStoreWriter() throws Exception {
          new JDomProperties(null).store((Writer) null, null);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testStoreOutputStream() throws Exception {
          new JDomProperties(null).store((OutputStream) null, null);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testLoadFromXML() throws Exception {
          new JDomProperties(null).loadFromXML(null);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testStoreToXML() throws Exception {
          new JDomProperties(null).storeToXML(null, null);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testStoreToXMLEncoded() throws Exception {
          new JDomProperties(null).storeToXML((OutputStream) null, null, (String) null);
      }
  
      @Test
      public void testGetProperty() throws Exception {
          String content = "<properties></properties>";
          Element propertiesElm = builder.build(new StringReader(content)).getRootElement();
          assertNull(new JDomProperties(propertiesElm).getProperty("KEY"));
  
          content = "<properties><KEY>VALUE</KEY></properties>";
         propertiesElm = builder.build(new StringReader(content)).getRootElement();
         assertEquals("VALUE", new JDomProperties(propertiesElm).getProperty("KEY"));
     }
 
     @Test(expected = UnsupportedOperationException.class)
     public void testGetPropertyDefault() {
         new JDomProperties(null).getProperty(null, null);
     }
 
     @Test(expected = UnsupportedOperationException.class)
     public void testPropertyNames() {
         new JDomProperties(null).propertyNames();
     }
 
     @Test(expected = UnsupportedOperationException.class)
     public void testStringPropertyNames() {
         new JDomProperties(null).stringPropertyNames();
     }
 
     @Test(expected = UnsupportedOperationException.class)
     public void testListPrintStream() {
         new JDomProperties(null).list((PrintStream) null);
     }
 
     @Test(expected = UnsupportedOperationException.class)
     public void testListPrintWriter() {
         new JDomProperties(null).list((PrintWriter) null);
     }
 
     private String getProperty(Element propertiesElm, String key) {
         return propertiesElm.getChildText(key, propertiesElm.getNamespace());
     }
 }