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//
// ========================================================================
// Copyright (c) 1995-2012 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.spdy.server.http;
import java.util.Arrays;
import java.util.Set;
import org.eclipse.jetty.spdy.api.SPDY;
import org.eclipse.jetty.spdy.api.Session;
import org.eclipse.jetty.spdy.api.Stream;
import org.eclipse.jetty.util.Fields;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.when;
@RunWith(MockitoJUnitRunner.class)
public class ReferrerPushStrategyUnitTest
{
public static final short VERSION = SPDY.V3;
public static final String SCHEME = "http";
public static final String HOST = "localhost";
public static final String MAIN_URI = "/index.html";
public static final String METHOD = "GET";
// class under test
private ReferrerPushStrategy referrerPushStrategy = new ReferrerPushStrategy();
@Mock
Stream stream;
@Mock
Session session;
@Before
public void setup()
{
referrerPushStrategy.setUserAgentBlacklist(Arrays.asList(".*(?i)firefox/16.*"));
}
@Test
public void testReferrerCallsAfterTimeoutAreNotAddedAsPushResources() throws InterruptedException
{
Fields requestHeaders = getBaseHeaders(VERSION);
int referrerCallTimeout = 1000;
referrerPushStrategy.setReferrerPushPeriod(referrerCallTimeout);
setMockExpectations();
String referrerUrl = fillPushStrategyCache(requestHeaders);
// sleep to pretend that the user manually clicked on a linked resource instead the browser requesting sub
// resources immediately
Thread.sleep(referrerCallTimeout + 1);
requestHeaders.put(HTTPSPDYHeader.URI.name(VERSION), "image2.jpg");
requestHeaders.put("referer", referrerUrl);
Set<String> pushResources = referrerPushStrategy.apply(stream, requestHeaders, new Fields());
assertThat("pushResources is empty", pushResources.size(), is(0));
requestHeaders.put(HTTPSPDYHeader.URI.name(VERSION), MAIN_URI);
pushResources = referrerPushStrategy.apply(stream, requestHeaders, new Fields());
// as the image2.jpg request has been a link and not a sub resource, we expect that pushResources.size() is
// still 2
assertThat("pushResources contains two elements image.jpg and style.css", pushResources.size(), is(2));
}
@Test
public void testUserAgentFilter() throws InterruptedException
{
Fields requestHeaders = getBaseHeaders(VERSION);
setMockExpectations();
fillPushStrategyCache(requestHeaders);
Set<String> pushResources = referrerPushStrategy.apply(stream, requestHeaders, new Fields());
assertThat("pushResources contains two elements image.jpg and style.css as no user-agent header is present",
pushResources.size(), is(2));
requestHeaders.put("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4");
pushResources = referrerPushStrategy.apply(stream, requestHeaders, new Fields());
assertThat("pushResources contains two elements image.jpg and style.css as chrome is not blacklisted",
pushResources.size(), is(2));
requestHeaders.put("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:16.0) Gecko/20100101 Firefox/16.0");
pushResources = referrerPushStrategy.apply(stream, requestHeaders, new Fields());
assertThat("no resources are returned as we want to filter firefox", pushResources.size(), is(0));
}
private Fields getBaseHeaders(short version)
{
Fields requestHeaders = new Fields();
requestHeaders.put(HTTPSPDYHeader.SCHEME.name(version), SCHEME);
requestHeaders.put(HTTPSPDYHeader.HOST.name(version), HOST);
requestHeaders.put(HTTPSPDYHeader.URI.name(version), MAIN_URI);
requestHeaders.put(HTTPSPDYHeader.METHOD.name(version), METHOD);
return requestHeaders;
}
private void setMockExpectations()
{
when(stream.getSession()).thenReturn(session);
when(session.getVersion()).thenReturn(VERSION);
}
private String fillPushStrategyCache(Fields requestHeaders)
{
Set<String> pushResources = referrerPushStrategy.apply(stream, requestHeaders, new Fields());
assertThat("pushResources is empty", pushResources.size(), is(0));
String origin = SCHEME + "://" + HOST;
String referrerUrl = origin + MAIN_URI;
requestHeaders.put(HTTPSPDYHeader.URI.name(VERSION), "image.jpg");
requestHeaders.put("referer", referrerUrl);
pushResources = referrerPushStrategy.apply(stream, requestHeaders, new Fields());
assertThat("pushResources is empty", pushResources.size(), is(0));
requestHeaders.put(HTTPSPDYHeader.URI.name(VERSION), "style.css");
pushResources = referrerPushStrategy.apply(stream, requestHeaders, new Fields());
assertThat("pushResources is empty", pushResources.size(), is(0));
requestHeaders.put(HTTPSPDYHeader.URI.name(VERSION), MAIN_URI);
pushResources = referrerPushStrategy.apply(stream, requestHeaders, new Fields());
assertThat("pushResources contains two elements image.jpg and style.css", pushResources.size(), is(2));
return referrerUrl;
}
}
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