package ro.isdc.wro.extensions.processor.css;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.io.IOUtils;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import ro.isdc.wro.config.Context;
import ro.isdc.wro.manager.factory.BaseWroManagerFactory;
import ro.isdc.wro.model.group.processor.Injector;
import ro.isdc.wro.model.group.processor.InjectorBuilder;
import ro.isdc.wro.model.group.processor.PreProcessorExecutor;
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.model.resource.processor.decorator.LazyProcessorDecorator;
import ro.isdc.wro.model.resource.processor.factory.SimpleProcessorsFactory;
import ro.isdc.wro.model.resource.processor.impl.css.CssImportPreProcessor;
import ro.isdc.wro.model.resource.processor.support.ProcessingCriteria;
import ro.isdc.wro.model.resource.processor.support.ProcessingType;
import ro.isdc.wro.util.LazyInitializer;
import ro.isdc.wro.util.WroTestUtils;
/**
* @author Alex Objelean
*/
public class TestLessCssProcessor {
@Mock
private Resource mockResource;
@Mock
private Reader mockReader;
@Mock
private Writer mockWriter;
@Mock
private NodeLessCssProcessor mockNodeProcessor;
@Mock
private ResourcePreProcessor mockRhinoProcessor;
private ResourcePreProcessor victim;
@BeforeClass
public static void onBeforeClass() {
assertEquals(0, Context.countActive());
}
@AfterClass
public static void onAfterClass() {
assertEquals(0, Context.countActive());
}
@Before
public void setUp() {
Context.set(Context.standaloneContext());
MockitoAnnotations.initMocks(this);
// use lazy initialization to defer constructor invocation
victim = new LazyProcessorDecorator(new LazyInitializer<ResourcePreProcessor>() {
@Override
protected ResourcePreProcessor initialize() {
return new LessCssProcessor() {
@Override
protected ResourcePreProcessor createFallbackProcessor() {
return mockRhinoProcessor;
}
@Override
protected NodeLessCssProcessor createNodeProcessor() {
return mockNodeProcessor;
}
};
}
});
WroTestUtils.createInjector().inject(victim);
}
@After
public void tearDown() {
Context.unset();
}
@Test
public void shouldUseNodeProcessorWhenSupported()
throws Exception {
when(mockNodeProcessor.isSupported()).thenReturn(true);
victim.process(mockResource, mockReader, mockWriter);
verify(mockNodeProcessor, Mockito.times(1)).process(mockResource, mockReader, mockWriter);
verify(mockRhinoProcessor, Mockito.never()).process(mockResource, mockReader, mockWriter);
}
@Test
public void shouldUseFallbackProcessorWhenNodeNotSupported()
throws Exception {
when(mockNodeProcessor.isSupported()).thenReturn(false);
victim.process(mockResource, mockReader, mockWriter);
verify(mockNodeProcessor, Mockito.never()).process(mockResource, mockReader, mockWriter);
verify(mockRhinoProcessor, Mockito.times(1)).process(mockResource, mockReader, mockWriter);
}
@Test
public void shouldWorkAsAPreProcessorWithCssImportPreProcessor()
throws Exception {
final BaseWroManagerFactory managerFactory = new BaseWroManagerFactory();
managerFactory.setProcessorsFactory(new SimpleProcessorsFactory().addPreProcessor(new CssImportPreProcessor()).addPreProcessor(
new LessCssProcessor()));
final Injector injector = InjectorBuilder.create(managerFactory).build();
final PreProcessorExecutor preProcessorExecutor = new PreProcessorExecutor();
injector.inject(preProcessorExecutor);
final List<Resource> resources = new ArrayList<Resource>();
final String baseFolder = "ro/isdc/wro/extensions/processor/lesscss";
resources.add(Resource.create(String.format("classpath:%s/test/import.css", baseFolder)));
final String noImports = preProcessorExecutor.processAndMerge(resources,
ProcessingCriteria.create(ProcessingType.IMPORT_ONLY, true));
final StringWriter actual = new StringWriter();
victim = new LessCssProcessor();
WroTestUtils.createInjector().inject(victim);
victim.process(null, new StringReader(noImports), actual);
final String expected = IOUtils.toString(managerFactory.create().getUriLocatorFactory().locate(
String.format("classpath:%s/expected/import.cssx", baseFolder)));
assertEquals(expected, actual.toString());
}
@Test
public void shouldSupportCorrectResourceTypes() {
WroTestUtils.assertProcessorSupportResourceTypes(new LessCssProcessor(), ResourceType.CSS);
}
}