package com.atlassian.plugins.rest.common.expand;
   
   import static org.junit.Assert.*;
   
   import com.atlassian.plugins.rest.common.expand.parameter.DefaultExpandParameter;
   import com.google.common.collect.Lists;
   import org.junit.Before;
   import org.junit.Test;
   
  import javax.xml.bind.annotation.XmlAttribute;
  
  public class SelfExpandingTest {
      private EntityCrawler entityCrawler;
  
      @Before
      public void setUp() {
          entityCrawler = new EntityCrawler();
      }
  
      @Test
      public void testSelfExpanding() {
          final SomeClass someClass = new SomeClass();
          assertFalse(someClass.expandable.isExpanded());
          entityCrawler.crawl(
                  someClass,
                  new DefaultExpandParameter(Lists.newArrayList("*")),
                  new SelfExpandingExpander.Resolver());
          assertTrue(someClass.expandable.isExpanded());
      }
  
      public static class SomeClass {
          @Expandable
          public final SomeExpandableEntity expandable = new SomeExpandableEntity();
      }
  
      public static class SomeExpandableEntity implements SelfExpanding {
          @XmlAttribute
          private String expand;
          private boolean expanded = false;
  
          public void expand() {
              expanded = true;
          }
  
          public boolean isExpanded() {
              return expanded;
          }
      }
  }