/*
    * 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.StringReader;
  
  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 JDomExtensionTest {
      private SAXBuilder builder = new SAXBuilder();
  
      @Test
      public void testGetArtifactId() throws Exception {
          String content = "<extension></extension>";
          Element extensionElm = builder.build(new StringReader(content)).getRootElement();
          assertNull(new JDomExtension(extensionElm).getArtifactId());
  
          content = "<extension><artifactId>ARTIFACTID</artifactId></extension>";
          extensionElm = builder.build(new StringReader(content)).getRootElement();
          assertEquals("ARTIFACTID", new JDomExtension(extensionElm).getArtifactId());
      }
  
      @Test
      public void testGetGroupId() throws Exception {
          String content = "<extension></extension>";
          Element extensionElm = builder.build(new StringReader(content)).getRootElement();
          assertNull(new JDomExtension(extensionElm).getGroupId());
  
          content = "<extension><groupId>GROUPID</groupId></extension>";
          extensionElm = builder.build(new StringReader(content)).getRootElement();
          assertEquals("GROUPID", new JDomExtension(extensionElm).getGroupId());
      }
  
      @Test
      public void testGetVersion() throws Exception {
          String content = "<extension></extension>";
          Element extensionElm = builder.build(new StringReader(content)).getRootElement();
          assertNull(new JDomExtension(extensionElm).getVersion());
  
          content = "<extension><version>VERSION</version></extension>";
          extensionElm = builder.build(new StringReader(content)).getRootElement();
          assertEquals("VERSION", new JDomExtension(extensionElm).getVersion());
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testSetArtifactId() {
          new JDomExtension(null).setArtifactId(null);
      }
  
      @Test(expected = UnsupportedOperationException.class)
      public void testSetGroupId() {
          new JDomExtension(null).setGroupId(null);
      }
  
      @Test
      public void testSetVersion() throws Exception {
          String content = "<extension><version>OLD_VERSION</version></extension>";
          Element extensionElm = builder.build(new StringReader(content)).getRootElement();
          new JDomExtension(extensionElm).setVersion("NEW_VERSION");
          assertEquals("NEW_VERSION", getVersion(extensionElm));
      }
  
      @Test
      public void testGetName() {
          assertEquals("extension", new JDomExtension(null).getName());
      }
  
      private String getVersion(Element extensionElm) {
          return extensionElm.getChildTextTrim("version", extensionElm.getNamespace());
      }
  }