/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package org.apache.shindig.gadgets.rewrite;
import com.google.common.base.Joiner;
import com.google.inject.util.Providers;
import org.apache.shindig.common.PropertiesModule;
import org.apache.shindig.common.uri.Uri;
import org.apache.shindig.gadgets.Gadget;
import org.apache.shindig.gadgets.GadgetContext;
import org.apache.shindig.gadgets.GadgetException;
import org.apache.shindig.gadgets.GadgetSpecFactory;
import org.apache.shindig.gadgets.http.HttpRequest;
import org.apache.shindig.gadgets.http.HttpResponse;
import org.apache.shindig.gadgets.http.HttpResponseBuilder;
import org.apache.shindig.gadgets.http.RequestPipeline;
import org.apache.shindig.gadgets.parse.GadgetHtmlParser;
import org.apache.shindig.gadgets.parse.ParseModule;
import org.apache.shindig.gadgets.parse.nekohtml.NekoSimplifiedHtmlParser;
import org.apache.shindig.gadgets.spec.GadgetSpec;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Module;
import com.google.inject.util.Modules;
import org.easymock.EasyMock;
import org.easymock.IMocksControl;
import org.junit.Before;
import java.util.Set;
/**
* Base class for testing content rewriting functionality
*/
public abstract class BaseRewriterTestCase {
public static final Uri SPEC_URL = Uri.parse("http://www.example.org/dir/g.xml");
public static final String DEFAULT_PROXY_BASE = "http://www.test.com/dir/proxy?url=";
public static final String DEFAULT_CONCAT_BASE = "http://www.test.com/dir/concat?";
public static final String MOCK_CONTAINER = "mock";
public static final String MOCK_PROXY_BASE =
replaceDefaultWithMockServer(DEFAULT_PROXY_BASE);
public static final String MOCK_CONCAT_BASE =
replaceDefaultWithMockServer(DEFAULT_CONCAT_BASE);
protected final String TAGS = "embed,img,script,link,style";
protected Set<String> tags;
protected ContentRewriterFeature.Config defaultRewriterFeature;
protected ContentRewriterFeature.Factory rewriterFeatureFactory;
protected GadgetHtmlParser parser;
protected Injector injector;
protected HttpResponseBuilder fakeResponse;
protected IMocksControl control;
@Before
public void setUp() throws Exception {
rewriterFeatureFactory = new ContentRewriterFeature.Factory(null,
Providers.of(new ContentRewriterFeature.DefaultConfig(".*", "", "86400", "embed,img,script,link,style", false, false, false)));
defaultRewriterFeature = rewriterFeatureFactory.getDefault();
tags = defaultRewriterFeature.getIncludedTags();
injector = Guice.createInjector(getParseModule(), new PropertiesModule(), new TestModule());
parser = injector.getInstance(GadgetHtmlParser.class);
fakeResponse = new HttpResponseBuilder().setHeader("Content-Type", "unknown")
.setResponse(new byte[]{ (byte)0xFE, (byte)0xFF});
control = EasyMock.createControl();
}
private Module getParseModule() {
return Modules.override(new ParseModule()).with(new AbstractModule() {
@Override
protected void configure() {
bind(GadgetHtmlParser.class).to(getParserClass());
}
});
}
protected Class<? extends GadgetHtmlParser> getParserClass() {
return NekoSimplifiedHtmlParser.class;
}
public static GadgetSpec createSpecWithRewrite(String include, String exclude, String expires,
Set<String> tags) throws GadgetException {
StringBuilder xml = new StringBuilder();
xml.append("<Module>");
xml.append("<ModulePrefs title=\"title\">");
xml.append("<Optional feature=\"content-rewrite\">\n");
if(expires != null)
xml.append(" <Param name=\"expires\">" + expires + "</Param>\n");
if(include != null)
xml.append(" <Param name=\"include-urls\">" + include + "</Param>\n");
if(exclude != null)
xml.append(" <Param name=\"exclude-urls\">" + exclude + "</Param>\n");
if(tags != null)
xml.append(" <Param name=\"include-tags\">" + Joiner.on(',').join(tags) + "</Param>\n");
xml.append("</Optional>");
xml.append("</ModulePrefs>");
xml.append("<Content type=\"html\">Hello!</Content>");
xml.append("</Module>");
return new GadgetSpec(SPEC_URL, xml.toString());
}
public static GadgetSpec createSpecWithRewriteOS9(String[] includes, String[] excludes, String expires,
Set<String> tags) throws GadgetException {
StringBuilder xml = new StringBuilder();
xml.append("<Module>");
xml.append("<ModulePrefs title=\"title\">");
xml.append("<Optional feature=\"content-rewrite\">\n");
if(expires != null)
xml.append(" <Param name=\"expires\">" + expires + "</Param>\n");
if(includes != null)
for (String include : includes) {
xml.append(" <Param name=\"include-url\">" + include + "</Param>\n");
}
if(excludes != null)
for (String exclude : excludes) {
xml.append(" <Param name=\"exclude-url\">" + exclude + "</Param>\n");
}
if(tags != null)
xml.append(" <Param name=\"include-tags\">" + Joiner.on(',').join(tags) + "</Param>\n");
xml.append("</Optional>");
xml.append("</ModulePrefs>");
xml.append("<Content type=\"html\">Hello!</Content>");
xml.append("</Module>");
return new GadgetSpec(SPEC_URL, xml.toString());
}
public static GadgetSpec createSpecWithoutRewrite() throws GadgetException {
String xml = "<Module>" +
"<ModulePrefs title=\"title\">" +
"</ModulePrefs>" +
"<Content type=\"html\">Hello!</Content>" +
"</Module>";
return new GadgetSpec(SPEC_URL, xml);
}
public static String replaceDefaultWithMockServer(String originalText) {
return originalText.replace("test.com", "mock.com");
}
protected ContentRewriterFeature.Factory mockContentRewriterFeatureFactory(
ContentRewriterFeature.Config feature) {
return new FakeRewriterFeatureFactory(feature);
}
String rewriteHelper(GadgetRewriter rewriter, String s)
throws Exception {
MutableContent mc = rewriteContent(rewriter, s, null);
String rewrittenContent = mc.getContent();
// Strip around the HTML tags for convenience
int htmlTagIndex = rewrittenContent.indexOf("<HTML>");
if (htmlTagIndex != -1) {
return rewrittenContent.substring(htmlTagIndex + 6,
rewrittenContent.lastIndexOf("</HTML>"));
}
return rewrittenContent;
}
protected MutableContent rewriteContent(GadgetRewriter rewriter, String s,
final String container) throws Exception {
return rewriteContent(rewriter, s, container, false, false);
}
protected MutableContent rewriteContent(GadgetRewriter rewriter, String s,
final String container, final boolean debug, final boolean ignoreCache)
throws Exception {
MutableContent mc = new MutableContent(parser, s);
GadgetSpec spec = new GadgetSpec(SPEC_URL,
"<Module><ModulePrefs title=''/><Content><![CDATA[" + s + "]]></Content></Module>");
GadgetContext context = new GadgetContext() {
@Override
public Uri getUrl() {
return SPEC_URL;
}
@Override
public String getContainer() {
return container;
}
@Override
public boolean getDebug() {
return debug;
}
@Override
public boolean getIgnoreCache() {
return ignoreCache;
}
};
Gadget gadget = new Gadget()
.setContext(context)
.setSpec(spec);
rewriter.rewrite(gadget, mc);
return mc;
}
private static class FakeRewriterFeatureFactory extends ContentRewriterFeature.Factory {
private final ContentRewriterFeature.Config feature;
public FakeRewriterFeatureFactory(ContentRewriterFeature.Config feature) {
super(null, Providers.of(new ContentRewriterFeature.DefaultConfig(".*", "", "HTTP", "", false, false, false)));
this.feature = feature;
}
@Override
public ContentRewriterFeature.Config get(GadgetSpec spec) {
return feature;
}
@Override
public ContentRewriterFeature.Config get(HttpRequest request) {
return feature;
}
}
private static class TestModule extends AbstractModule {
@Override
protected void configure() {
bind(RequestPipeline.class).toInstance(new RequestPipeline() {
public HttpResponse execute(HttpRequest request) { return null; }
});
bind(GadgetSpecFactory.class).toInstance(new GadgetSpecFactory() {
public GadgetSpec getGadgetSpec(GadgetContext context) {
return null;
}
});
}
}
}