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      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_client_host.h"
     14 #include "content/public/browser/devtools_external_agent_proxy.h"
     15 #include "content/public/browser/devtools_external_agent_proxy_delegate.h"
     16 #include "content/public/browser/web_contents_delegate.h"
     17 #include "content/test/test_content_browser_client.h"
     18 #include "content/test/test_render_view_host.h"
     19 #include "content/test/test_web_contents.h"
     20 #include "testing/gtest/include/gtest/gtest.h"
     21 
     22 using base::TimeDelta;
     23 
     24 namespace content {
     25 namespace {
     26 
     27 class TestDevToolsClientHost : public DevToolsClientHost {
     28  public:
     29   TestDevToolsClientHost()
     30       : last_sent_message(NULL),
     31         closed_(false) {
     32   }
     33 
     34   virtual ~TestDevToolsClientHost() {
     35     EXPECT_TRUE(closed_);
     36   }
     37 
     38   virtual void Close(DevToolsManager* manager) {
     39     EXPECT_FALSE(closed_);
     40     close_counter++;
     41     manager->ClientHostClosing(this);
     42     closed_ = true;
     43   }
     44   virtual void InspectedContentsClosing() OVERRIDE {
     45     FAIL();
     46   }
     47 
     48   virtual void DispatchOnInspectorFrontend(
     49       const std::string& message) OVERRIDE {
     50     last_sent_message = &message;
     51   }
     52 
     53   virtual void ReplacedWithAnotherClient() OVERRIDE {
     54   }
     55 
     56   static void ResetCounters() {
     57     close_counter = 0;
     58   }
     59 
     60   static int close_counter;
     61 
     62   const std::string* last_sent_message;
     63 
     64  private:
     65   bool closed_;
     66 
     67   DISALLOW_COPY_AND_ASSIGN(TestDevToolsClientHost);
     68 };
     69 
     70 int TestDevToolsClientHost::close_counter = 0;
     71 
     72 
     73 class TestWebContentsDelegate : public WebContentsDelegate {
     74  public:
     75   TestWebContentsDelegate() : renderer_unresponsive_received_(false) {}
     76 
     77   // Notification that the contents is hung.
     78   virtual void RendererUnresponsive(WebContents* source) OVERRIDE {
     79     renderer_unresponsive_received_ = true;
     80   }
     81 
     82   bool renderer_unresponsive_received() const {
     83     return renderer_unresponsive_received_;
     84   }
     85 
     86  private:
     87   bool renderer_unresponsive_received_;
     88 };
     89 
     90 }  // namespace
     91 
     92 class DevToolsManagerTest : public RenderViewHostImplTestHarness {
     93  protected:
     94   virtual void SetUp() OVERRIDE {
     95     RenderViewHostImplTestHarness::SetUp();
     96     TestDevToolsClientHost::ResetCounters();
     97   }
     98 };
     99 
    100 TEST_F(DevToolsManagerTest, OpenAndManuallyCloseDevToolsClientHost) {
    101   DevToolsManager* manager = DevToolsManager::GetInstance();
    102 
    103   scoped_refptr<DevToolsAgentHost> agent(
    104       DevToolsAgentHost::GetOrCreateFor(rvh()));
    105   EXPECT_FALSE(agent->IsAttached());
    106 
    107   TestDevToolsClientHost client_host;
    108   manager->RegisterDevToolsClientHostFor(agent.get(), &client_host);
    109   // Test that the connection is established.
    110   EXPECT_TRUE(agent->IsAttached());
    111   EXPECT_EQ(agent, manager->GetDevToolsAgentHostFor(&client_host));
    112   EXPECT_EQ(0, TestDevToolsClientHost::close_counter);
    113 
    114   client_host.Close(manager);
    115   EXPECT_EQ(1, TestDevToolsClientHost::close_counter);
    116   EXPECT_FALSE(agent->IsAttached());
    117 }
    118 
    119 TEST_F(DevToolsManagerTest, ForwardMessageToClient) {
    120   DevToolsManagerImpl* manager = DevToolsManagerImpl::GetInstance();
    121 
    122   TestDevToolsClientHost client_host;
    123   scoped_refptr<DevToolsAgentHost> agent_host(
    124       DevToolsAgentHost::GetOrCreateFor(rvh()));
    125   manager->RegisterDevToolsClientHostFor(agent_host.get(), &client_host);
    126   EXPECT_EQ(0, TestDevToolsClientHost::close_counter);
    127 
    128   std::string m = "test message";
    129   agent_host = DevToolsAgentHost::GetOrCreateFor(rvh());
    130   manager->DispatchOnInspectorFrontend(agent_host.get(), m);
    131   EXPECT_TRUE(&m == client_host.last_sent_message);
    132 
    133   client_host.Close(manager);
    134   EXPECT_EQ(1, TestDevToolsClientHost::close_counter);
    135 }
    136 
    137 TEST_F(DevToolsManagerTest, NoUnresponsiveDialogInInspectedContents) {
    138   TestRenderViewHost* inspected_rvh = test_rvh();
    139   inspected_rvh->set_render_view_created(true);
    140   EXPECT_FALSE(contents()->GetDelegate());
    141   TestWebContentsDelegate delegate;
    142   contents()->SetDelegate(&delegate);
    143 
    144   TestDevToolsClientHost client_host;
    145   scoped_refptr<DevToolsAgentHost> agent_host(
    146       DevToolsAgentHost::GetOrCreateFor(inspected_rvh));
    147   DevToolsManager::GetInstance()->RegisterDevToolsClientHostFor(
    148       agent_host.get(), &client_host);
    149 
    150   // Start with a short timeout.
    151   inspected_rvh->StartHangMonitorTimeout(TimeDelta::FromMilliseconds(10));
    152   // Wait long enough for first timeout and see if it fired.
    153   base::MessageLoop::current()->PostDelayedTask(
    154       FROM_HERE,
    155       base::MessageLoop::QuitClosure(),
    156       TimeDelta::FromMilliseconds(10));
    157   base::MessageLoop::current()->Run();
    158   EXPECT_FALSE(delegate.renderer_unresponsive_received());
    159 
    160   // Now close devtools and check that the notification is delivered.
    161   client_host.Close(DevToolsManager::GetInstance());
    162   // Start with a short timeout.
    163   inspected_rvh->StartHangMonitorTimeout(TimeDelta::FromMilliseconds(10));
    164   // Wait long enough for first timeout and see if it fired.
    165   base::MessageLoop::current()->PostDelayedTask(
    166       FROM_HERE,
    167       base::MessageLoop::QuitClosure(),
    168       TimeDelta::FromMilliseconds(10));
    169   base::MessageLoop::current()->Run();
    170   EXPECT_TRUE(delegate.renderer_unresponsive_received());
    171 
    172   contents()->SetDelegate(NULL);
    173 }
    174 
    175 TEST_F(DevToolsManagerTest, ReattachOnCancelPendingNavigation) {
    176   // Navigate to URL.  First URL should use first RenderViewHost.
    177   const GURL url("http://www.google.com");
    178   controller().LoadURL(
    179       url, Referrer(), PAGE_TRANSITION_TYPED, std::string());
    180   contents()->TestDidNavigate(rvh(), 1, url, PAGE_TRANSITION_TYPED);
    181   EXPECT_FALSE(contents()->cross_navigation_pending());
    182 
    183   TestDevToolsClientHost client_host;
    184   DevToolsManager* devtools_manager = DevToolsManager::GetInstance();
    185   devtools_manager->RegisterDevToolsClientHostFor(
    186       DevToolsAgentHost::GetOrCreateFor(rvh()).get(), &client_host);
    187 
    188   // Navigate to new site which should get a new RenderViewHost.
    189   const GURL url2("http://www.yahoo.com");
    190   controller().LoadURL(
    191       url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
    192   EXPECT_TRUE(contents()->cross_navigation_pending());
    193   EXPECT_EQ(devtools_manager->GetDevToolsAgentHostFor(&client_host),
    194       DevToolsAgentHost::GetOrCreateFor(pending_rvh()));
    195 
    196   // Interrupt pending navigation and navigate back to the original site.
    197   controller().LoadURL(
    198       url, Referrer(), PAGE_TRANSITION_TYPED, std::string());
    199   contents()->TestDidNavigate(rvh(), 1, url, PAGE_TRANSITION_TYPED);
    200   EXPECT_FALSE(contents()->cross_navigation_pending());
    201   EXPECT_EQ(devtools_manager->GetDevToolsAgentHostFor(&client_host),
    202       DevToolsAgentHost::GetOrCreateFor(rvh()));
    203   client_host.Close(DevToolsManager::GetInstance());
    204 }
    205 
    206 class TestExternalAgentDelegate: public DevToolsExternalAgentProxyDelegate {
    207   std::map<std::string,int> event_counter_;
    208 
    209   void recordEvent(const std::string& name) {
    210     if (event_counter_.find(name) == event_counter_.end())
    211       event_counter_[name] = 0;
    212     event_counter_[name] = event_counter_[name] + 1;
    213   }
    214 
    215   void expectEvent(int count, const std::string& name) {
    216     EXPECT_EQ(count, event_counter_[name]);
    217   }
    218 
    219   virtual void Attach() OVERRIDE {
    220     recordEvent("Attach");
    221   };
    222 
    223   virtual void Detach() OVERRIDE {
    224     recordEvent("Detach");
    225   };
    226 
    227   virtual void SendMessageToBackend(const std::string& message) OVERRIDE {
    228     recordEvent(std::string("SendMessageToBackend.") + message);
    229   };
    230 
    231  public :
    232   virtual ~TestExternalAgentDelegate() {
    233     expectEvent(1, "Attach");
    234     expectEvent(1, "Detach");
    235     expectEvent(0, "SendMessageToBackend.message0");
    236     expectEvent(1, "SendMessageToBackend.message1");
    237     expectEvent(2, "SendMessageToBackend.message2");
    238   }
    239 };
    240 
    241 TEST_F(DevToolsManagerTest, TestExternalProxy) {
    242   TestExternalAgentDelegate delegate;
    243 
    244   scoped_ptr<DevToolsExternalAgentProxy> proxy(
    245       DevToolsExternalAgentProxy::Create(&delegate));
    246 
    247   scoped_refptr<DevToolsAgentHost> agent_host = proxy->GetAgentHost();
    248   EXPECT_EQ(agent_host, DevToolsAgentHost::GetForId(agent_host->GetId()));
    249 
    250   DevToolsManager* manager = DevToolsManager::GetInstance();
    251 
    252   TestDevToolsClientHost client_host;
    253   manager->RegisterDevToolsClientHostFor(agent_host.get(), &client_host);
    254 
    255   manager->DispatchOnInspectorBackend(&client_host, "message1");
    256   manager->DispatchOnInspectorBackend(&client_host, "message2");
    257   manager->DispatchOnInspectorBackend(&client_host, "message2");
    258 
    259   client_host.Close(manager);
    260 }
    261 
    262 }  // namespace content
    263