content: /*
   * Copyright (c) 2010. All rights reserved.
   */
  package ro.isdc.wro.extensions.processor;
  
  import java.io.File;
  import java.io.FileReader;
  import java.io.IOException;
  import java.io.StringReader;
  import java.io.StringWriter;
  import java.net.URL;
  import java.util.concurrent.Callable;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.junit.Assert;
  import org.junit.Assume;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import ro.isdc.wro.WroRuntimeException;
  import ro.isdc.wro.extensions.processor.css.NodeLessCssProcessor;
  import ro.isdc.wro.extensions.processor.js.NodeCoffeeScriptProcessor;
  import ro.isdc.wro.model.resource.ResourceType;
  import ro.isdc.wro.model.resource.processor.ResourcePreProcessor;
  import ro.isdc.wro.model.resource.processor.decorator.ExceptionHandlingProcessorDecorator;
  import ro.isdc.wro.util.Function;
  import ro.isdc.wro.util.WroTestUtils;
  
  
  /**
   * Test less css processor based on lessc shell which uses node.
   *
   * @author Alex Objelean
   */
  public class TestNodeCoffeeScriptProcessor {
    private static boolean isSupported = false;
    @BeforeClass
    public static void beforeClass() {
      //initialize this field only once.
      isSupported = new NodeCoffeeScriptProcessor().isSupported();
    }
  
    /**
     * Checks if the test can be run by inspecting {@link NodeLessCssProcessor#isSupported()}
     */
    @Before
    public void beforeMethod() {
      Assume.assumeTrue(isSupported);
    }
  
    @Test
    public void shouldCompileAllFromFolder()
        throws Exception {
      final ResourcePreProcessor processor = new NodeCoffeeScriptProcessor();
      final URL url = getClass().getResource("coffeeScript/advanced");
  
      final File testFolder = new File(url.getFile(), "test");
      final File expectedFolder = new File(url.getFile(), "expectedNode");
      WroTestUtils.compareFromDifferentFoldersByExtension(testFolder, expectedFolder, "js", processor);
    }
  
    @Test
    public void shouldCompileAllFromFolderUsingBareOption()
        throws Exception {
      final ResourcePreProcessor processor = new NodeCoffeeScriptProcessor() {
        @Override
        protected String[] buildOptionalArguments() {
          return new String[] {"--bare"};
        }
      };
      final URL url = getClass().getResource("coffeeScript/advanced");
  
      final File testFolder = new File(url.getFile(), "test");
      final File expectedFolder = new File(url.getFile(), "expectedNodeBareOption");
      WroTestUtils.compareFromDifferentFoldersByExtension(testFolder, expectedFolder, "js", processor);
    }
  
    @Test
    public void shouldBeThreadSafe() throws Exception {
      final NodeCoffeeScriptProcessor processor = new NodeCoffeeScriptProcessor() {
        @Override
        protected void onException(final Exception e, final String content) {
          throw WroRuntimeException.wrap(e);
        }
      };
      final Callable<Void> task = new Callable<Void>() {
        @Override
        public Void call() {
          try {
            processor.process(new StringReader("square = (x) -> x * x"), new StringWriter());
          } catch (final Exception e) {
            throw new RuntimeException(e);
          }
          return null;
        }
      };
      WroTestUtils.runConcurrently(task);
    }
  
    /**
     * Test that processing invalid less css produces exceptions
     */
    @Test
    public void shouldFailWhenInvalidScriptIsProcessed()
        throws Exception {
      final ResourcePreProcessor processor = new NodeCoffeeScriptProcessor();
      final URL url = getClass().getResource("coffeeScript/exceptions");
  
      final File testFolder = new File(url.getFile(), "test");
      WroTestUtils.forEachFileInFolder(testFolder, new Function<File, Void>() {
        @Override
        public Void apply(final File input)
            throws Exception {
          try {
            processor.process(null, new FileReader(input), new StringWriter());
            Assert.fail("Expected to fail, but didn't");
          } catch (final WroRuntimeException e) {
            //expected to throw exception, continue
          }
          return null;
        }
      });
    }
  
  
    /**
     * Test that by default, failing to process a js with coffeeScript, will leave the result unchanged.
     */
    @Test
    public void testExceptions()
      throws IOException {
      final URL url = getClass().getResource("coffeeScript/exceptions");
      final AtomicInteger counter = new AtomicInteger();
      final ResourcePreProcessor processor = new ExceptionHandlingProcessorDecorator(new NodeCoffeeScriptProcessor() {
        @Override
        protected void onException(final Exception e, final String content) {
          counter.incrementAndGet();
          throw WroRuntimeException.wrap(e);
        }
      }) {
        @Override
        protected boolean isIgnoreFailingProcessor() {
          return true;
        }
      };
  
      final File testFolder = new File(url.getFile(), "test");
      final File expectedFolder = new File(url.getFile(), "expected");
      WroTestUtils.compareFromDifferentFoldersByExtension(testFolder, expectedFolder, "js",
        processor);
      Assert.assertEquals(2, counter.get());
    }
  
    @Test
    public void shouldSupportCorrectResourceTypes() {
      WroTestUtils.assertProcessorSupportResourceTypes(new NodeCoffeeScriptProcessor(), ResourceType.JS);
    }
  }
  