mock_render_thread.cc revision 868fa2fe829687343ffae624259930155e16dbd8 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/public/test/mock_render_thread.h"
6
7#include "base/message_loop/message_loop_proxy.h"
8#include "base/process_util.h"
9#include "content/common/view_messages.h"
10#include "ipc/ipc_message_utils.h"
11#include "ipc/ipc_sync_message.h"
12#include "testing/gtest/include/gtest/gtest.h"
13
14namespace content {
15
16MockRenderThread::MockRenderThread()
17    : routing_id_(0),
18      surface_id_(0),
19      opener_id_(0),
20      new_window_routing_id_(0),
21      new_window_main_frame_routing_id_(0) {
22}
23
24MockRenderThread::~MockRenderThread() {
25}
26
27void MockRenderThread::VerifyRunJavaScriptMessageSend(
28    const string16& expected_alert_message) {
29  const IPC::Message* alert_msg =
30      sink_.GetUniqueMessageMatching(ViewHostMsg_RunJavaScriptMessage::ID);
31  ASSERT_TRUE(alert_msg);
32  PickleIterator iter = IPC::SyncMessage::GetDataIterator(alert_msg);
33  ViewHostMsg_RunJavaScriptMessage::SendParam alert_param;
34  ASSERT_TRUE(IPC::ReadParam(alert_msg, &iter, &alert_param));
35  EXPECT_EQ(expected_alert_message, alert_param.a);
36}
37
38// Called by the Widget. Used to send messages to the browser.
39// We short-circuit the mechanism and handle the messages right here on this
40// class.
41bool MockRenderThread::Send(IPC::Message* msg) {
42  // We need to simulate a synchronous channel, thus we are going to receive
43  // through this function messages, messages with reply and reply messages.
44  // We can only handle one synchronous message at a time.
45  if (msg->is_reply()) {
46    if (reply_deserializer_) {
47      reply_deserializer_->SerializeOutputParameters(*msg);
48      reply_deserializer_.reset();
49    }
50  } else {
51    if (msg->is_sync()) {
52      // We actually need to handle deleting the reply deserializer for sync
53      // messages.
54      reply_deserializer_.reset(
55          static_cast<IPC::SyncMessage*>(msg)->GetReplyDeserializer());
56    }
57    OnMessageReceived(*msg);
58  }
59  delete msg;
60  return true;
61}
62
63base::MessageLoop* MockRenderThread::GetMessageLoop() {
64  return NULL;
65}
66
67IPC::SyncChannel* MockRenderThread::GetChannel() {
68  return NULL;
69}
70
71std::string MockRenderThread::GetLocale() {
72  return "en-US";
73}
74
75IPC::SyncMessageFilter* MockRenderThread::GetSyncMessageFilter() {
76  return NULL;
77}
78
79scoped_refptr<base::MessageLoopProxy>
80    MockRenderThread::GetIOMessageLoopProxy() {
81  return scoped_refptr<base::MessageLoopProxy>();
82}
83
84void MockRenderThread::AddRoute(int32 routing_id, IPC::Listener* listener) {
85  // We may hear this for views created from OnCreateWindow as well,
86  // in which case we don't want to track the new widget.
87  if (routing_id_ == routing_id)
88    widget_ = listener;
89}
90
91void MockRenderThread::RemoveRoute(int32 routing_id) {
92  // We may hear this for views created from OnCreateWindow as well,
93  // in which case we don't want to track the new widget.
94  if (routing_id_ == routing_id)
95    widget_ = NULL;
96}
97
98int MockRenderThread::GenerateRoutingID() {
99  NOTREACHED();
100  return MSG_ROUTING_NONE;
101}
102
103void MockRenderThread::AddFilter(IPC::ChannelProxy::MessageFilter* filter) {
104  filter->OnFilterAdded(&sink());
105  // Add this filter to a vector so the MockRenderThread::RemoveFilter function
106  // can check if this filter is added.
107  filters_.push_back(make_scoped_refptr(filter));
108}
109
110void MockRenderThread::RemoveFilter(IPC::ChannelProxy::MessageFilter* filter) {
111  // Emulate the IPC::ChannelProxy::OnRemoveFilter function.
112  for (size_t i = 0; i < filters_.size(); ++i) {
113    if (filters_[i].get() == filter) {
114      filter->OnFilterRemoved();
115      filters_.erase(filters_.begin() + i);
116      return;
117    }
118  }
119  NOTREACHED() << "filter to be removed not found";
120}
121
122void MockRenderThread::SetOutgoingMessageFilter(
123    IPC::ChannelProxy::OutgoingMessageFilter* filter) {
124}
125
126void MockRenderThread::AddObserver(RenderProcessObserver* observer) {
127}
128
129void MockRenderThread::RemoveObserver(RenderProcessObserver* observer) {
130}
131
132void MockRenderThread::SetResourceDispatcherDelegate(
133    ResourceDispatcherDelegate* delegate) {
134}
135
136void MockRenderThread::WidgetHidden() {
137}
138
139void MockRenderThread::WidgetRestored() {
140}
141
142void MockRenderThread::EnsureWebKitInitialized() {
143}
144
145void MockRenderThread::RecordUserMetrics(const std::string& action) {
146}
147
148scoped_ptr<base::SharedMemory>
149    MockRenderThread::HostAllocateSharedMemoryBuffer(
150        size_t buffer_size) {
151  scoped_ptr<base::SharedMemory> shared_buf(new base::SharedMemory);
152  if (!shared_buf->CreateAndMapAnonymous(buffer_size)) {
153    NOTREACHED() << "Cannot map shared memory buffer";
154    return scoped_ptr<base::SharedMemory>();
155  }
156
157  return scoped_ptr<base::SharedMemory>(shared_buf.release());
158}
159
160void MockRenderThread::RegisterExtension(v8::Extension* extension) {
161}
162
163void MockRenderThread::ScheduleIdleHandler(int64 initial_delay_ms) {
164}
165
166void MockRenderThread::IdleHandler() {
167}
168
169int64 MockRenderThread::GetIdleNotificationDelayInMs() const {
170  return 0;
171}
172
173void MockRenderThread::SetIdleNotificationDelayInMs(
174    int64 idle_notification_delay_in_ms) {
175}
176
177void MockRenderThread::ToggleWebKitSharedTimer(bool suspend) {
178}
179
180void MockRenderThread::UpdateHistograms(int sequence_number) {
181}
182
183bool MockRenderThread::ResolveProxy(const GURL& url, std::string* proxy_list) {
184  return false;
185}
186
187#if defined(OS_WIN)
188void MockRenderThread::PreCacheFont(const LOGFONT& log_font) {
189}
190
191void MockRenderThread::ReleaseCachedFonts() {
192}
193
194#endif  // OS_WIN
195
196void MockRenderThread::SendCloseMessage() {
197  ViewMsg_Close msg(routing_id_);
198  widget_->OnMessageReceived(msg);
199}
200
201// The Widget expects to be returned valid route_id.
202void MockRenderThread::OnCreateWidget(int opener_id,
203                                      WebKit::WebPopupType popup_type,
204                                      int* route_id,
205                                      int* surface_id) {
206  opener_id_ = opener_id;
207  *route_id = routing_id_;
208  *surface_id = surface_id_;
209}
210
211// The View expects to be returned a valid route_id different from its own.
212void MockRenderThread::OnCreateWindow(
213    const ViewHostMsg_CreateWindow_Params& params,
214    int* route_id,
215    int* main_frame_route_id,
216    int* surface_id,
217    int64* cloned_session_storage_namespace_id) {
218  *route_id = new_window_routing_id_;
219  *main_frame_route_id = new_window_main_frame_routing_id_;
220  *surface_id = surface_id_;
221  *cloned_session_storage_namespace_id = 0;
222}
223
224bool MockRenderThread::OnMessageReceived(const IPC::Message& msg) {
225  // Save the message in the sink.
226  sink_.OnMessageReceived(msg);
227
228  bool handled = true;
229  bool msg_is_ok = true;
230  IPC_BEGIN_MESSAGE_MAP_EX(MockRenderThread, msg, msg_is_ok)
231    IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWidget, OnCreateWidget)
232    IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWindow, OnCreateWindow)
233    IPC_MESSAGE_UNHANDLED(handled = false)
234  IPC_END_MESSAGE_MAP_EX()
235  return handled;
236}
237
238#if defined(OS_WIN)
239void MockRenderThread::OnDuplicateSection(
240    base::SharedMemoryHandle renderer_handle,
241    base::SharedMemoryHandle* browser_handle) {
242  // We don't have to duplicate the input handles since RenderViewTest does not
243  // separate a browser process from a renderer process.
244  *browser_handle = renderer_handle;
245}
246#endif  // defined(OS_WIN)
247
248}  // namespace content
249