package com.atlassian.plugin.loaders;
   
   import com.atlassian.plugin.loaders.classloading.DeploymentUnit;
   import junit.framework.TestCase;
   
   import java.io.File;
   import java.util.Arrays;
   import java.util.Collection;
   import java.util.Iterator;
  
  /**
   * 
   */
  public class TestFileListScanner extends TestCase
  {
      public void testNormalOperation() throws Exception
      {
          FileListScanner scanner = new FileListScanner(Arrays.asList(new File("foo.txt"), new File("bar.txt")));
          assertContainsFooAndBar(scanner);
  
          assertEquals(0, scanner.scan().size()); // second time, no new units
  
          scanner.reset();
          assertContainsFooAndBar(scanner);
      }
  
      private void assertContainsFooAndBar(final FileListScanner scanner)
      {
          Collection<DeploymentUnit> scan = scanner.scan();
          assertEquals(2, scan.size());
          final Iterator<DeploymentUnit> i = scan.iterator();
          i.hasNext();
          assertEquals("foo.txt", i.next().getPath().getName());
          i.hasNext();
          assertEquals("bar.txt", i.next().getPath().getName());
      }
  
  }