content: package ro.isdc.wro.model.resource.processor.support;
  
  import static org.junit.Assert.assertEquals;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.Reader;
  import java.io.Writer;
  import java.net.URL;
  
  import org.apache.commons.io.IOUtils;
  import org.junit.AfterClass;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import ro.isdc.wro.config.Context;
  import ro.isdc.wro.model.resource.Resource;
  import ro.isdc.wro.model.resource.processor.ResourcePreProcessor;
  import ro.isdc.wro.model.resource.processor.support.CssUrlInspector.ItemHandler;
  import ro.isdc.wro.util.WroTestUtils;
  
  
  /**
   * @author Alex Objelean
   */
  public class TestCssUrlInspector {
    private CssUrlInspector victim;
  
    @BeforeClass
    public static void onBeforeClass() {
      assertEquals(0, Context.countActive());
    }
  
    @AfterClass
    public static void onAfterClass() {
      assertEquals(0, Context.countActive());
    }
  
    @Before
    public void setUp() {
      victim = new CssUrlInspector();
    }
  
    @Test
    public void shouldRemoveOriginalUrl()
        throws Exception {
      compareResultsFromFolderUsingProcessor("expectedEmptyReplace", createProcessorWithHandler(new ItemHandler() {
        public String replace(final String originalDeclaration, final String originalUrl) {
          return originalDeclaration.replace(originalUrl, "");
        }
      }));
    }
  
    private void compareResultsFromFolderUsingProcessor(final String expectedFolderName,
        final ResourcePreProcessor processor)
        throws Exception {
      final URL url = getClass().getResource("cssurlinspector");
  
      final File testFolder = new File(url.getFile(), "test");
      final File expectedFolder = new File(url.getFile(), expectedFolderName);
      WroTestUtils.compareFromDifferentFoldersByExtension(testFolder, expectedFolder, "css", processor);
    }
  
    private ResourcePreProcessor createProcessorWithHandler(final ItemHandler handler) {
      return new ResourcePreProcessor() {
        public void process(final Resource resource, final Reader reader, final Writer writer)
            throws IOException {
          writer.write(victim.findAndReplace(IOUtils.toString(reader), handler));
        }
      };
    }
  }
  