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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/process.h"
#include "base/process_util.h"
#include "content/common/request_extra_data.h"
#include "content/common/resource_dispatcher.h"
#include "content/common/resource_messages.h"
#include "content/public/common/resource_response.h"
#include "net/base/upload_data.h"
#include "net/http/http_response_headers.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/appcache/appcache_interfaces.h"
using webkit_glue::ResourceLoaderBridge;
using webkit_glue::ResourceResponseInfo;
static const char test_page_url[] = "http://www.google.com/";
static const char test_page_headers[] =
"HTTP/1.1 200 OK\nContent-Type:text/html\n\n";
static const char test_page_mime_type[] = "text/html";
static const char test_page_charset[] = "";
static const char test_page_contents[] =
"<html><head><title>Google</title></head><body><h1>Google</h1></body></html>";
static const uint32 test_page_contents_len = arraysize(test_page_contents) - 1;
static const char kShmemSegmentName[] = "DeferredResourceLoaderTest";
// Listens for request response data and stores it so that it can be compared
// to the reference data.
class TestRequestCallback : public ResourceLoaderBridge::Peer {
public:
TestRequestCallback() : complete_(false) {
}
virtual void OnUploadProgress(uint64 position, uint64 size) {
}
virtual bool OnReceivedRedirect(
const GURL& new_url,
const ResourceResponseInfo& info,
bool* has_new_first_party_for_cookies,
GURL* new_first_party_for_cookies) {
*has_new_first_party_for_cookies = false;
return true;
}
virtual void OnReceivedResponse(const ResourceResponseInfo& info) {
}
virtual void OnDownloadedData(int len) {
}
virtual void OnReceivedData(const char* data,
int data_length,
int encoded_data_length) {
EXPECT_FALSE(complete_);
data_.append(data, data_length);
total_encoded_data_length_ += encoded_data_length;
}
virtual void OnCompletedRequest(const net::URLRequestStatus& status,
const std::string& security_info,
const base::TimeTicks& completion_time) {
EXPECT_FALSE(complete_);
complete_ = true;
}
bool complete() const {
return complete_;
}
const std::string& data() const {
return data_;
}
int total_encoded_data_length() const {
return total_encoded_data_length_;
}
private:
bool complete_;
std::string data_;
int total_encoded_data_length_;
};
// Sets up the message sender override for the unit test
class ResourceDispatcherTest : public testing::Test, public IPC::Sender {
public:
// Emulates IPC send operations (IPC::Sender) by adding
// pending messages to the queue.
virtual bool Send(IPC::Message* msg) {
message_queue_.push_back(IPC::Message(*msg));
delete msg;
return true;
}
// Emulates the browser process and processes the pending IPC messages,
// returning the hardcoded file contents.
void ProcessMessages() {
while (!message_queue_.empty()) {
int request_id;
ResourceHostMsg_Request request;
ASSERT_TRUE(ResourceHostMsg_RequestResource::Read(
&message_queue_[0], &request_id, &request));
// check values
EXPECT_EQ(test_page_url, request.url.spec());
// received response message
content::ResourceResponseHead response;
std::string raw_headers(test_page_headers);
std::replace(raw_headers.begin(), raw_headers.end(), '\n', '\0');
response.headers = new net::HttpResponseHeaders(raw_headers);
response.mime_type = test_page_mime_type;
response.charset = test_page_charset;
dispatcher_->OnReceivedResponse(request_id, response);
// received data message with the test contents
base::SharedMemory shared_mem;
EXPECT_TRUE(shared_mem.CreateAndMapAnonymous(test_page_contents_len));
char* put_data_here = static_cast<char*>(shared_mem.memory());
memcpy(put_data_here, test_page_contents, test_page_contents_len);
base::SharedMemoryHandle dup_handle;
EXPECT_TRUE(shared_mem.GiveToProcess(
base::Process::Current().handle(), &dup_handle));
dispatcher_->OnReceivedData(
message_queue_[0],
request_id,
dup_handle,
test_page_contents_len,
test_page_contents_len);
message_queue_.erase(message_queue_.begin());
// read the ack message.
Tuple1<int> request_ack;
ASSERT_TRUE(ResourceHostMsg_DataReceived_ACK::Read(
&message_queue_[0], &request_ack));
ASSERT_EQ(request_ack.a, request_id);
message_queue_.erase(message_queue_.begin());
}
}
protected:
// testing::Test
virtual void SetUp() {
dispatcher_.reset(new ResourceDispatcher(this));
}
virtual void TearDown() {
dispatcher_.reset();
}
ResourceLoaderBridge* CreateBridge() {
webkit_glue::ResourceLoaderBridge::RequestInfo request_info;
request_info.method = "GET";
request_info.url = GURL(test_page_url);
request_info.first_party_for_cookies = GURL(test_page_url);
request_info.referrer = GURL();
request_info.headers = std::string();
request_info.load_flags = 0;
request_info.requestor_pid = 0;
request_info.request_type = ResourceType::SUB_RESOURCE;
request_info.appcache_host_id = appcache::kNoHostId;
request_info.routing_id = 0;
RequestExtraData extra_data(WebKit::WebReferrerPolicyDefault,
true, 0, false, -1, true,
content::PAGE_TRANSITION_LINK, -1, -1);
request_info.extra_data = &extra_data;
return dispatcher_->CreateBridge(request_info);
}
std::vector<IPC::Message> message_queue_;
static scoped_ptr<ResourceDispatcher> dispatcher_;
};
/*static*/
scoped_ptr<ResourceDispatcher> ResourceDispatcherTest::dispatcher_;
// Does a simple request and tests that the correct data is received.
TEST_F(ResourceDispatcherTest, RoundTrip) {
TestRequestCallback callback;
ResourceLoaderBridge* bridge = CreateBridge();
bridge->Start(&callback);
ProcessMessages();
// FIXME(brettw) when the request complete messages are actually handledo
// and dispatched, uncomment this.
//EXPECT_TRUE(callback.complete());
//EXPECT_STREQ(test_page_contents, callback.data().c_str());
//EXPECT_EQ(test_page_contents_len, callback.total_encoded_data_length());
delete bridge;
}
// Tests that the request IDs are straight when there are multiple requests.
TEST_F(ResourceDispatcherTest, MultipleRequests) {
// FIXME
}
// Tests that the cancel method prevents other messages from being received
TEST_F(ResourceDispatcherTest, Cancel) {
// FIXME
}
TEST_F(ResourceDispatcherTest, Cookies) {
// FIXME
}
TEST_F(ResourceDispatcherTest, SerializedPostData) {
// FIXME
}
// This class provides functionality to validate whether the ResourceDispatcher
// object honors the deferred loading contract correctly, i.e. if deferred
// loading is enabled it should queue up any responses received. If deferred
// loading is enabled/disabled in the context of a dispatched message, other
// queued messages should not be dispatched until deferred load is turned off.
class DeferredResourceLoadingTest : public ResourceDispatcherTest,
public ResourceLoaderBridge::Peer {
public:
DeferredResourceLoadingTest()
: defer_loading_(false) {
}
virtual bool Send(IPC::Message* msg) {
delete msg;
return true;
}
void InitMessages() {
set_defer_loading(true);
content::ResourceResponseHead response_head;
response_head.status.set_status(net::URLRequestStatus::SUCCESS);
IPC::Message* response_message =
new ResourceMsg_ReceivedResponse(0, 0, response_head);
dispatcher_->OnMessageReceived(*response_message);
delete response_message;
// Duplicate the shared memory handle so both the test and the callee can
// close their copy.
base::SharedMemoryHandle duplicated_handle;
EXPECT_TRUE(shared_handle_.ShareToProcess(base::GetCurrentProcessHandle(),
&duplicated_handle));
response_message =
new ResourceMsg_DataReceived(0, 0, duplicated_handle, 100, 100);
dispatcher_->OnMessageReceived(*response_message);
delete response_message;
set_defer_loading(false);
}
// ResourceLoaderBridge::Peer methods.
virtual void OnUploadProgress(uint64 position, uint64 size) {
}
virtual bool OnReceivedRedirect(
const GURL& new_url,
const ResourceResponseInfo& info,
bool* has_new_first_party_for_cookies,
GURL* new_first_party_for_cookies) {
*has_new_first_party_for_cookies = false;
return true;
}
virtual void OnReceivedResponse(const ResourceResponseInfo& info) {
EXPECT_EQ(defer_loading_, false);
set_defer_loading(true);
}
virtual void OnDownloadedData(int len) {
}
virtual void OnReceivedData(const char* data,
int data_length,
int encoded_data_length) {
EXPECT_EQ(defer_loading_, false);
set_defer_loading(false);
}
virtual void OnCompletedRequest(const net::URLRequestStatus& status,
const std::string& security_info,
const base::TimeTicks& completion_time) {
}
protected:
virtual void SetUp() {
ResourceDispatcherTest::SetUp();
shared_handle_.Delete(kShmemSegmentName);
EXPECT_TRUE(shared_handle_.CreateNamed(kShmemSegmentName, false, 100));
}
virtual void TearDown() {
shared_handle_.Close();
EXPECT_TRUE(shared_handle_.Delete(kShmemSegmentName));
ResourceDispatcherTest::TearDown();
}
private:
void set_defer_loading(bool defer) {
defer_loading_ = defer;
dispatcher_->SetDefersLoading(0, defer);
}
bool defer_loading() const {
return defer_loading_;
}
bool defer_loading_;
base::SharedMemory shared_handle_;
};
TEST_F(DeferredResourceLoadingTest, DeferredLoadTest) {
MessageLoop message_loop(MessageLoop::TYPE_IO);
ResourceLoaderBridge* bridge = CreateBridge();
bridge->Start(this);
InitMessages();
// Dispatch deferred messages.
message_loop.RunAllPending();
delete bridge;
}
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