/*
* 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);
}
}