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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
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package org.apache.shindig.gadgets.rewrite;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.shindig.common.uri.Uri;
import org.apache.shindig.config.AbstractContainerConfig;
import org.apache.shindig.config.ContainerConfig;
import org.apache.shindig.gadgets.GadgetContext;
import org.apache.shindig.gadgets.http.HttpRequest;
import org.apache.shindig.gadgets.http.HttpResponseBuilder;
import org.apache.shindig.gadgets.parse.caja.CajaCssParser;
import org.apache.shindig.gadgets.uri.DefaultProxyUriManager;
import org.apache.shindig.gadgets.uri.ProxyUriManager;
import org.easymock.EasyMock;
import org.junit.Before;
import org.junit.Test;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static org.junit.Assert.assertEquals;
/**
* Tests for CssResponseRewriter.
*/
public class CssResponseRewriterTest extends RewriterTestBase {
private static class FakeContainerConfig extends AbstractContainerConfig {
private Map<String, Map<String, Object>> containers = new HashMap<String, Map<String, Object>>();
private FakeContainerConfig() {
containers.put(ContainerConfig.DEFAULT_CONTAINER, ImmutableMap.<String, Object>builder()
.put(DefaultProxyUriManager.PROXY_HOST_PARAM, "www.test.com")
.put(DefaultProxyUriManager.PROXY_PATH_PARAM, "/dir/proxy")
.build());
containers.put(MOCK_CONTAINER, ImmutableMap.<String, Object>builder()
.put(DefaultProxyUriManager.PROXY_HOST_PARAM, "www.mock.com")
.build());
}
@Override
public Object getProperty(String container, String name) {
Map<String, Object> data = containers.get(container);
//if there is no value by this key inherit from default
if (!data.containsKey(name)) {
data = containers.get(ContainerConfig.DEFAULT_CONTAINER);
}
return data.get(name);
}
}
private CssResponseRewriter rewriter;
private CssResponseRewriter rewriterNoOverrideExpires;
private Uri dummyUri;
private GadgetContext gadgetContext;
private ProxyUriManager proxyUriManager;
private ContentRewriterFeature.Factory factory;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
final ContentRewriterFeature.Config overrideFeatureNoOverrideExpires =
rewriterFeatureFactory.get(createSpecWithRewrite(".*", ".*exclude.*", null, tags));
ContentRewriterFeature.Factory factoryNoOverrideExpires =
new ContentRewriterFeature.Factory(null, null) {
@Override
public ContentRewriterFeature.Config get(HttpRequest req) {
return overrideFeatureNoOverrideExpires;
}
};
ContainerConfig config = new FakeContainerConfig();
proxyUriManager = new DefaultProxyUriManager(config, null);
rewriterNoOverrideExpires = new CssResponseRewriter(new CajaCssParser(),
proxyUriManager, factoryNoOverrideExpires);
final ContentRewriterFeature.Config overrideFeature =
rewriterFeatureFactory.get(createSpecWithRewrite(".*", ".*exclude.*", "3600", tags));
factory = new ContentRewriterFeature.Factory(null, null) {
@Override
public ContentRewriterFeature.Config get(HttpRequest req) {
return overrideFeature;
}
};
rewriter = new CssResponseRewriter(new CajaCssParser(),
proxyUriManager, factory);
dummyUri = Uri.parse("http://www.w3c.org");
gadgetContext = new GadgetContext() {
@Override
public Uri getUrl() {
return dummyUri;
}
};
}
@Test
public void testCssBasic() throws Exception {
String content = IOUtils.toString(this.getClass().getClassLoader().
getResourceAsStream("org/apache/shindig/gadgets/rewrite/rewritebasic.css"));
String expected = IOUtils.toString(this.getClass().getClassLoader().
getResourceAsStream("org/apache/shindig/gadgets/rewrite/rewritebasic-expected.css"));
HttpRequest request = new HttpRequest(Uri.parse("http://www.example.org/path/rewritebasic.css"));
request.setMethod("GET");
request.setGadget(SPEC_URL);
HttpResponseBuilder response = new HttpResponseBuilder().setHeader("Content-Type", "text/css")
.setResponseString(content);
rewriter.rewrite(request, response);
assertEquals(StringUtils.deleteWhitespace(expected),
StringUtils.deleteWhitespace(response.getContent()));
}
@Test
public void testCssBasicNoOverrideExpires() throws Exception {
String content = IOUtils.toString(this.getClass().getClassLoader().
getResourceAsStream("org/apache/shindig/gadgets/rewrite/rewritebasic.css"));
String expected = IOUtils.toString(this.getClass().getClassLoader().
getResourceAsStream("org/apache/shindig/gadgets/rewrite/rewritebasic-expected.css"));
expected = expected.replace("refresh=3600", "refresh=86400");
HttpRequest request = new HttpRequest(Uri.parse("http://www.example.org/path/rewritebasic.css"));
request.setMethod("GET");
request.setGadget(SPEC_URL);
HttpResponseBuilder response = new HttpResponseBuilder().setHeader("Content-Type", "text/css")
.setResponseString(content);
rewriterNoOverrideExpires.rewrite(request, response);
assertEquals(StringUtils.deleteWhitespace(expected),
StringUtils.deleteWhitespace(response.getContent()));
}
@Test
public void testCssBasicNoCache() throws Exception {
String content = IOUtils.toString(this.getClass().getClassLoader().
getResourceAsStream("org/apache/shindig/gadgets/rewrite/rewritebasic.css"));
String expected = IOUtils.toString(this.getClass().getClassLoader().
getResourceAsStream("org/apache/shindig/gadgets/rewrite/rewritebasic-expected.css"));
expected = expected.replace("nocache=0", "nocache=1");
HttpRequest request = new HttpRequest(Uri.parse("http://www.example.org/path/rewritebasic.css"));
request.setMethod("GET");
request.setGadget(SPEC_URL);
request.setIgnoreCache(true);
HttpResponseBuilder response = new HttpResponseBuilder().setHeader("Content-Type", "text/css")
.setResponseString(content);
rewriter.rewrite(request, response);
assertEquals(StringUtils.deleteWhitespace(expected),
StringUtils.deleteWhitespace(response.getContent()));
}
@Test
public void testCssWithContainerProxy() throws Exception {
String content = IOUtils.toString(this.getClass().getClassLoader().
getResourceAsStream("org/apache/shindig/gadgets/rewrite/rewritebasic.css"));
String expected = IOUtils.toString(this.getClass().getClassLoader().
getResourceAsStream("org/apache/shindig/gadgets/rewrite/rewritebasic-expected.css"));
expected = replaceDefaultWithMockServer(expected);
expected = expected.replace("container=default", "container=" + MOCK_CONTAINER);
rewriter = new CssResponseRewriter(new CajaCssParser(),
proxyUriManager, factory);
HttpRequest request = new HttpRequest(Uri.parse("http://www.example.org/path/rewritebasic.css"));
request.setMethod("GET");
request.setGadget(SPEC_URL);
request.setContainer(MOCK_CONTAINER);
HttpResponseBuilder response = new HttpResponseBuilder().setHeader("Content-Type", "text/css")
.setResponseString(content);
rewriter.rewrite(request, response);
assertEquals(StringUtils.deleteWhitespace(expected),
StringUtils.deleteWhitespace(response.getContent()));
}
@Test
public void testNoRewriteUnknownMimeType() throws Exception {
HttpRequest req = control.createMock(HttpRequest.class);
EasyMock.expect(req.getRewriteMimeType()).andReturn("unknown");
control.replay();
int changesBefore = fakeResponse.getNumChanges();
rewriter.rewrite(req, fakeResponse);
assertEquals(changesBefore, fakeResponse.getNumChanges());
control.verify();
}
private void validateRewritten(String content, Uri base, String expected) throws Exception {
HttpResponseBuilder response = new HttpResponseBuilder().setHeader("Content-Type", "text/css");
response.setContent(content);
HttpRequest request = new HttpRequest(base);
rewriter.rewrite(request, response);
assertEquals(StringUtils.deleteWhitespace(expected),
StringUtils.deleteWhitespace(response.getContent()));
}
private void validateRewritten(String content, String expected) throws Exception {
validateRewritten(content, dummyUri, expected);
}
@Test
public void testUrlDeclarationRewrite() throws Exception {
String original =
"div {list-style-image:url('http://a.b.com/bullet.gif');list-style-position:outside;margin:5px;padding:0}\n" +
".someid {background-image:url(http://a.b.com/bigimg.png);float:right;width:165px;height:23px;margin-top:4px;margin-left:5px}";
String rewritten =
"div {list-style-image:url('//www.test.com/dir/proxy?container=default"
+ "&gadget=http%3A%2F%2Fwww.w3c.org&debug=0&nocache=0"
+ "&url=http%3A%2F%2Fa.b.com%2Fbullet.gif');\n"
+ "list-style-position:outside;margin:5px;padding:0}\n"
+ ".someid {background-image:url('//www.test.com/dir/proxy?container=default"
+ "&gadget=http%3A%2F%2Fwww.w3c.org&debug=0&nocache=0"
+ "&url=http%3A%2F%2Fa.b.com%2Fbigimg.png');\n"
+ "float:right;width:165px;height:23px;margin-top:4px;margin-left:5px}";
validateRewritten(original, rewritten);
}
@Test
public void testExtractImports() throws Exception {
String original = " @import url(www.example.org/some.css);\n" +
"@import url('www.example.org/someother.css');\n" +
"@import url(\"www.example.org/another.css\");\n" +
" div { color: blue; }\n" +
" p { color: black; }\n" +
" span { color: red; }";
String expected = " div { color: blue; }\n" +
" p { color: black; }\n" +
" span { color: red; }";
StringWriter sw = new StringWriter();
List<String> stringList = rewriter
.rewrite(new StringReader(original), dummyUri,
CssResponseRewriter.uriMaker(proxyUriManager, defaultRewriterFeature), sw,
true, gadgetContext);
assertEquals(StringUtils.deleteWhitespace(expected),
StringUtils.deleteWhitespace(sw.toString()));
assertEquals(Lists.newArrayList("www.example.org/some.css",
"www.example.org/someother.css", "www.example.org/another.css"), stringList);
}
@Test
public void testMalformedImport() throws Exception {
String original = " @import \"www.example.org/some.css\";\n" +
" span { color: red; }";
String expected = " span { color: red; }";
StringWriter sw = new StringWriter();
List<String> stringList = rewriter
.rewrite(new StringReader(original), dummyUri,
CssResponseRewriter.uriMaker(proxyUriManager, defaultRewriterFeature), sw,
true, gadgetContext);
assertEquals(StringUtils.deleteWhitespace(expected),
StringUtils.deleteWhitespace(sw.toString()));
assertEquals(Lists.newArrayList("www.example.org/some.css"), stringList);
}
}