content: /*
   * Copyright (c) 2010. All rights reserved.
   */
  package ro.isdc.wro.extensions.processor;
  
  import static org.junit.Assert.fail;
  
  import java.io.File;
  import java.io.FileReader;
  import java.io.StringReader;
  import java.io.StringWriter;
  import java.net.URL;
  import java.util.concurrent.Callable;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import ro.isdc.wro.WroRuntimeException;
  import ro.isdc.wro.extensions.processor.css.RubySassCssProcessor;
  import ro.isdc.wro.extensions.processor.support.sass.RubySassEngine;
  import ro.isdc.wro.util.Function;
  import ro.isdc.wro.util.WroTestUtils;
  
  
  /**
   * Test ruby sass css processor.
   *
   * @author Simon van der Sluis
   * @created Created on Apr 21, 2010
   */
  public class TestRubySassCssProcessor {
    /** Location (base) of ruby sass css test resources. */
    private final URL url = getClass().getResource("rubysasscss");
  
    /** A RubySassEngine to test */
    private RubySassCssProcessor processor;
  
    @Before
    public void setUp() {
      processor = new RubySassCssProcessor();
    }
  
    @Test
    public void shouldTestFromFolder()
        throws Exception {
      final File testFolder = new File(url.getFile(), "test");
      final File expectedFolder = new File(url.getFile(), "expected");
      WroTestUtils.compareFromDifferentFoldersByName(testFolder, expectedFolder, "css", "css", processor);
    }
  
    @Test
    public void executeMultipleTimesDoesntThrowOutOfMemoryException() {
      final RubySassEngine engine = new RubySassEngine();
      for (int i = 0; i < 100; i++) {
        engine.process("#navbar {width: 80%;}");
      }
    }
  
    @Test
    public void shouldBeThreadSafe()
        throws Exception {
      final Callable<Void> task = new Callable<Void>() {
        @Override
        public Void call() {
          try {
            processor.process(new StringReader(
                "$side: top;$radius: 10px;.rounded-#{$side} {border-#{$side}-radius: $radius;}"), new StringWriter());
          } catch (final Exception e) {
            throw new RuntimeException(e);
          }
          return null;
        }
      };
      WroTestUtils.runConcurrently(task);
    }
  
    /**
     * Test that processing invalid sass css produces exceptions.
     */
    @Test
    public void shouldFailWhenInvalidSassCssIsProcessed()
        throws Exception {
      final File testFolder = new File(url.getFile(), "invalid");
      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());
            fail("Shouldn't have failed");
          } catch (final WroRuntimeException e) {
            // expected to throw exception, continue
          }
          return null;
        }
      });
    }
  
    /**
     * This test proves that Sass Engine behave strangely after the first failure.
     */
    @Test
    public void shouldSucceedAfterAFailure()
        throws Exception {
      try {
        processor.process(null, new StringReader("$base= #f938ab;"), new StringWriter());
        fail("Should have failed");
      } catch (final Exception e) {
  
      }
      final String sass = ".valid {color: red}  @mixin rounded($side, $radius: 10px) { border-#{$side}-radius: $radius; -moz-border-radius-#{$side}: $radius; -webkit-border-#{$side}-radius: $radius;}#navbar li { @include rounded(top); }";
      processor.process(null, new StringReader(sass), new StringWriter());
    }
  
  }
  