package ro.isdc.wro.model.resource.processor.support;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import java.net.URL;
import org.apache.commons.io.IOUtils;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import ro.isdc.wro.config.Context;
import ro.isdc.wro.model.resource.Resource;
import ro.isdc.wro.model.resource.processor.ResourcePreProcessor;
import ro.isdc.wro.model.resource.processor.support.CssUrlInspector.ItemHandler;
import ro.isdc.wro.util.WroTestUtils;
/**
* @author Alex Objelean
*/
public class TestFallbackCssDataUriUrlInspector {
private FallbackCssDataUriUrlInspector victim;
@BeforeClass
public static void onBeforeClass() {
assertEquals(0, Context.countActive());
}
@Before
public void setUp() {
victim = new FallbackCssDataUriUrlInspector();
}
@Test
public void shouldRemoveOriginalUrl()
throws Exception {
compareResultsFromFolderUsingProcessor("expectedDataUri", createProcessorWithHandler(new ItemHandler() {
public String replace(final String originalDeclaration, final String originalUrl) {
return originalDeclaration.replace(originalUrl, "");
}
}));
}
private void compareResultsFromFolderUsingProcessor(final String expectedFolderName,
final ResourcePreProcessor processor)
throws Exception {
final URL url = getClass().getResource("cssurlinspector");
final File testFolder = new File(url.getFile(), "test");
final File expectedFolder = new File(url.getFile(), expectedFolderName);
WroTestUtils.compareFromDifferentFoldersByExtension(testFolder, expectedFolder, "css", processor);
}
private ResourcePreProcessor createProcessorWithHandler(final ItemHandler handler) {
return new ResourcePreProcessor() {
public void process(final Resource resource, final Reader reader, final Writer writer)
throws IOException {
writer.write(victim.findAndReplace(IOUtils.toString(reader), handler));
}
};
}
}