content/browser/devtools/devtools_manager_unittest.cc

   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 "base/basictypes.h"
   6 #include "base/memory/scoped_ptr.h"
   7 #include "base/time/time.h"
   8 #include "content/browser/devtools/devtools_manager_impl.h"
   9 #include "content/browser/devtools/render_view_devtools_agent_host.h"
  10 #include "content/common/view_messages.h"
  11 #include "content/public/browser/content_browser_client.h"
  12 #include "content/public/browser/devtools_agent_host.h"
  13 #include "content/public/browser/devtools_external_agent_proxy.h"
  14 #include "content/public/browser/devtools_external_agent_proxy_delegate.h"
  15 #include "content/public/browser/web_contents_delegate.h"
  16 #include "content/test/test_content_browser_client.h"
  17 #include "content/test/test_render_view_host.h"
  18 #include "content/test/test_web_contents.h"
  19 #include "testing/gtest/include/gtest/gtest.h"
  20
  21 using base::TimeDelta;
  22
  23 namespace content {
  24 namespace {
  25
  26 class TestDevToolsClientHost : public DevToolsAgentHostClient {
  27  public:
  28   TestDevToolsClientHost()
  29       : last_sent_message(NULL),
  30         closed_(false) {
  31   }
  32
  33   virtual ~TestDevToolsClientHost() {
  34     EXPECT_TRUE(closed_);
  35   }
  36
  37   void Close() {
  38     EXPECT_FALSE(closed_);
  39     close_counter++;
  40     agent_host_->DetachClient();
  41     closed_ = true;
  42   }
  43
  44   virtual void AgentHostClosed(
  45       DevToolsAgentHost* agent_host, bool replaced) OVERRIDE {
  46     FAIL();
  47   }
  48
  49   virtual void DispatchProtocolMessage(
  50       DevToolsAgentHost* agent_host, const std::string& message) OVERRIDE {
  51     last_sent_message = &message;
  52   }
  53
  54   void InspectAgentHost(DevToolsAgentHost* agent_host) {
  55     agent_host_ = agent_host;
  56     agent_host_->AttachClient(this);
  57   }
  58
  59   DevToolsAgentHost* agent_host() { return agent_host_.get(); }
  60
  61   static void ResetCounters() {
  62     close_counter = 0;
  63   }
  64
  65   static int close_counter;
  66
  67   const std::string* last_sent_message;
  68
  69  private:
  70   bool closed_;
  71   scoped_refptr<DevToolsAgentHost> agent_host_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(TestDevToolsClientHost);
  74 };
  75
  76 int TestDevToolsClientHost::close_counter = 0;
  77
  78
  79 class TestWebContentsDelegate : public WebContentsDelegate {
  80  public:
  81   TestWebContentsDelegate() : renderer_unresponsive_received_(false) {}
  82
  83   // Notification that the contents is hung.
  84   virtual void RendererUnresponsive(WebContents* source) OVERRIDE {
  85     renderer_unresponsive_received_ = true;
  86   }
  87
  88   bool renderer_unresponsive_received() const {
  89     return renderer_unresponsive_received_;
  90   }
  91
  92  private:
  93   bool renderer_unresponsive_received_;
  94 };
  95
  96 }  // namespace
  97
  98 class DevToolsManagerTest : public RenderViewHostImplTestHarness {
  99  protected:
 100   virtual void SetUp() OVERRIDE {
 101     RenderViewHostImplTestHarness::SetUp();
 102     TestDevToolsClientHost::ResetCounters();
 103   }
 104 };
 105
 106 TEST_F(DevToolsManagerTest, OpenAndManuallyCloseDevToolsClientHost) {
 107   scoped_refptr<DevToolsAgentHost> agent(
 108       DevToolsAgentHost::GetOrCreateFor(web_contents()));
 109   EXPECT_FALSE(agent->IsAttached());
 110
 111   TestDevToolsClientHost client_host;
 112   client_host.InspectAgentHost(agent.get());
 113   // Test that the connection is established.
 114   EXPECT_TRUE(agent->IsAttached());
 115   EXPECT_EQ(0, TestDevToolsClientHost::close_counter);
 116
 117   client_host.Close();
 118   EXPECT_EQ(1, TestDevToolsClientHost::close_counter);
 119   EXPECT_FALSE(agent->IsAttached());
 120 }
 121
 122 TEST_F(DevToolsManagerTest, NoUnresponsiveDialogInInspectedContents) {
 123   TestRenderViewHost* inspected_rvh = test_rvh();
 124   inspected_rvh->set_render_view_created(true);
 125   EXPECT_FALSE(contents()->GetDelegate());
 126   TestWebContentsDelegate delegate;
 127   contents()->SetDelegate(&delegate);
 128
 129   TestDevToolsClientHost client_host;
 130   scoped_refptr<DevToolsAgentHost> agent_host(DevToolsAgentHost::GetOrCreateFor(
 131       WebContents::FromRenderViewHost(inspected_rvh)));
 132   client_host.InspectAgentHost(agent_host.get());
 133
 134   // Start with a short timeout.
 135   inspected_rvh->StartHangMonitorTimeout(TimeDelta::FromMilliseconds(10));
 136   // Wait long enough for first timeout and see if it fired.
 137   base::MessageLoop::current()->PostDelayedTask(
 138       FROM_HERE,
 139       base::MessageLoop::QuitClosure(),
 140       TimeDelta::FromMilliseconds(10));
 141   base::MessageLoop::current()->Run();
 142   EXPECT_FALSE(delegate.renderer_unresponsive_received());
 143
 144   // Now close devtools and check that the notification is delivered.
 145   client_host.Close();
 146   // Start with a short timeout.
 147   inspected_rvh->StartHangMonitorTimeout(TimeDelta::FromMilliseconds(10));
 148   // Wait long enough for first timeout and see if it fired.
 149   base::MessageLoop::current()->PostDelayedTask(
 150       FROM_HERE,
 151       base::MessageLoop::QuitClosure(),
 152       TimeDelta::FromMilliseconds(10));
 153   base::MessageLoop::current()->Run();
 154   EXPECT_TRUE(delegate.renderer_unresponsive_received());
 155
 156   contents()->SetDelegate(NULL);
 157 }
 158
 159 TEST_F(DevToolsManagerTest, ReattachOnCancelPendingNavigation) {
 160   // Navigate to URL.  First URL should use first RenderViewHost.
 161   const GURL url("http://www.google.com");
 162   controller().LoadURL(
 163       url, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 164   contents()->TestDidNavigate(
 165       contents()->GetMainFrame(), 1, url, PAGE_TRANSITION_TYPED);
 166   EXPECT_FALSE(contents()->cross_navigation_pending());
 167
 168   TestDevToolsClientHost client_host;
 169   client_host.InspectAgentHost(
 170       DevToolsAgentHost::GetOrCreateFor(web_contents()).get());
 171
 172   // Navigate to new site which should get a new RenderViewHost.
 173   const GURL url2("http://www.yahoo.com");
 174   controller().LoadURL(
 175       url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 176   EXPECT_TRUE(contents()->cross_navigation_pending());
 177   EXPECT_EQ(client_host.agent_host(),
 178       DevToolsAgentHost::GetOrCreateFor(web_contents()));
 179
 180   // Interrupt pending navigation and navigate back to the original site.
 181   controller().LoadURL(
 182       url, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 183   contents()->TestDidNavigate(
 184       contents()->GetMainFrame(), 1, url, PAGE_TRANSITION_TYPED);
 185   EXPECT_FALSE(contents()->cross_navigation_pending());
 186   EXPECT_EQ(client_host.agent_host(),
 187             DevToolsAgentHost::GetOrCreateFor(web_contents()));
 188   client_host.Close();
 189 }
 190
 191 class TestExternalAgentDelegate: public DevToolsExternalAgentProxyDelegate {
 192   std::map<std::string,int> event_counter_;
 193
 194   void recordEvent(const std::string& name) {
 195     if (event_counter_.find(name) == event_counter_.end())
 196       event_counter_[name] = 0;
 197     event_counter_[name] = event_counter_[name] + 1;
 198   }
 199
 200   void expectEvent(int count, const std::string& name) {
 201     EXPECT_EQ(count, event_counter_[name]);
 202   }
 203
 204   virtual void Attach(DevToolsExternalAgentProxy* proxy) OVERRIDE {
 205     recordEvent("Attach");
 206   };
 207
 208   virtual void Detach() OVERRIDE {
 209     recordEvent("Detach");
 210   };
 211
 212   virtual void SendMessageToBackend(const std::string& message) OVERRIDE {
 213     recordEvent(std::string("SendMessageToBackend.") + message);
 214   };
 215
 216  public :
 217   virtual ~TestExternalAgentDelegate() {
 218     expectEvent(1, "Attach");
 219     expectEvent(1, "Detach");
 220     expectEvent(0, "SendMessageToBackend.message0");
 221     expectEvent(1, "SendMessageToBackend.message1");
 222     expectEvent(2, "SendMessageToBackend.message2");
 223   }
 224 };
 225
 226 TEST_F(DevToolsManagerTest, TestExternalProxy) {
 227   TestExternalAgentDelegate* delegate = new TestExternalAgentDelegate();
 228
 229   scoped_refptr<DevToolsAgentHost> agent_host =
 230       DevToolsAgentHost::Create(delegate);
 231   EXPECT_EQ(agent_host, DevToolsAgentHost::GetForId(agent_host->GetId()));
 232
 233   TestDevToolsClientHost client_host;
 234   client_host.InspectAgentHost(agent_host.get());
 235   agent_host->DispatchProtocolMessage("message1");
 236   agent_host->DispatchProtocolMessage("message2");
 237   agent_host->DispatchProtocolMessage("message2");
 238
 239   client_host.Close();
 240 }
 241
 242 }  // namespace content