/*
* Copyright (c) 2010. All rights reserved.
*/
package ro.isdc.wro.extensions.processor;
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.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import ro.isdc.wro.config.Context;
import ro.isdc.wro.extensions.processor.css.Less4jProcessor;
import ro.isdc.wro.model.resource.Resource;
import ro.isdc.wro.model.resource.ResourceType;
import ro.isdc.wro.model.resource.processor.ResourcePreProcessor;
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 TestLess4jProcessor {
private ResourcePreProcessor victim;
@Before
public void setUp() {
victim = new Less4jProcessor();
Context.set(Context.standaloneContext());
victim = new Less4jProcessor();
WroTestUtils.createInjector().inject(victim);
}
@After
public void tearDown() {
Context.unset();
}
@Test
public void testFromFolder()
throws Exception {
final URL url = getClass().getResource("lesscss");
final File testFolder = new File(url.getFile(), "test");
final File expectedFolder = new File(url.getFile(), "expectedLess4j");
WroTestUtils.compareFromDifferentFoldersByExtension(testFolder, expectedFolder, "css", victim);
}
@Test
public void shouldBeThreadSafe() throws Exception {
final Callable<Void> task = new Callable<Void>() {
@Override
public Void call() {
try {
victim.process(null, new StringReader("#id {.class {color: red;}}"), 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 shouldFailWhenInvalidLessCssIsProcessed()
throws Exception {
final URL url = getClass().getResource("lesscss");
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 {
victim.process(Resource.create(input.getPath(), ResourceType.CSS), new FileReader(input),
new StringWriter());
Assert.fail("Expected to fail, but didn't");
} catch (final Exception e) {
//expected to throw exception, continue
}
return null;
}
});
}
@Test
public void shouldDetectProperlyCssImportStatements()
throws Exception {
final ResourcePreProcessor processor = victim;
final URL url = getClass().getResource("lesscss");
final File testFolder = new File(url.getFile(), "test");
final File expectedFolder = new File(url.getFile(), "expectedLessCssImport");
WroTestUtils.compareFromDifferentFoldersByExtension(testFolder, expectedFolder, "css", processor);
}
@Test
public void shouldSupportCorrectResourceTypes() {
WroTestUtils.assertProcessorSupportResourceTypes(new Less4jProcessor(), ResourceType.CSS);
}
}