content: package ro.isdc.wro.extensions.processor.js;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assume.assumeTrue;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.io.StringReader;
  import java.io.StringWriter;
  import java.net.URL;
  
  import org.apache.commons.exec.ExecuteException;
  import org.junit.After;
  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.processor.ResourcePostProcessor;
  import ro.isdc.wro.util.WroTestUtils;
  
  
  public class TestNgMinProcessor {
    private ResourcePostProcessor victim;
    private static boolean isSupported = false;
  
  
    @BeforeClass
    public static void onBeforeClass() {
      assertEquals(0, Context.countActive());
    }
  
    @AfterClass
    public static void onAfterClass() {
      assertEquals(0, Context.countActive());
    }
  
    @BeforeClass
    public static void beforeClass() {
      isSupported = new NgMinProcessor().isSupported();
    }
  
    /**
     * Checks if the test can be run by inspecting {@link NgMinProcessor#isSupported()}
     */
    @Before
    public void beforeMethod() {
      victim = new NgMinProcessor();
      Context.set(Context.standaloneContext());
      assumeTrue(isSupported);
    }
  
    @After
    public void tearDown() {
      Context.unset();
    }
  
    @Test
    public void shouldProcessInvalidJsUnchanged()
        throws Exception {
      final String invalidJs = "qwertwi42o";
      final StringWriter writer = new StringWriter();
      victim.process(new StringReader(invalidJs), writer);
      assertEquals(invalidJs + ";", writer.toString());
    }
  
    @Test
    public void shouldSupportProcessorNgMinInstalled() {
      victim = new NgMinProcessor() {
        @Override
        void doProcess(final InputStream in, final OutputStream out)
            throws ExecuteException, IOException {
          super.doProcess(in, out);
        }
      };
      assertTrue(((NgMinProcessor) victim).isSupported());
    }
  
    @Test
    public void testFromFolder()
        throws Exception {
      final URL url = getClass().getResource("../ngmin");
  
      final File testFolder = new File(url.getFile(), "test");
      final File expectedFolder = new File(url.getFile(), "expected");
      WroTestUtils.compareFromDifferentFoldersByExtension(testFolder, expectedFolder, "js", victim);
    }
  }
  