content/public/test/test_renderer_host.h

   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 #ifndef CONTENT_PUBLIC_TEST_TEST_RENDERER_HOST_H_
   6 #define CONTENT_PUBLIC_TEST_TEST_RENDERER_HOST_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "content/public/browser/render_frame_host.h"
  11 #include "content/public/browser/render_view_host.h"
  12 #include "content/public/test/test_browser_thread_bundle.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "ui/base/page_transition_types.h"
  15
  16 #if defined(USE_AURA)
  17 #include "ui/aura/test/aura_test_helper.h"
  18 #endif
  19
  20 namespace aura {
  21 namespace test {
  22 class AuraTestHelper;
  23 }
  24 }
  25
  26 namespace ui {
  27 class ScopedOleInitializer;
  28 }
  29
  30 namespace content {
  31
  32 class BrowserContext;
  33 class MockRenderProcessHost;
  34 class MockRenderProcessHostFactory;
  35 class NavigationController;
  36 class RenderProcessHostFactory;
  37 class RenderViewHostDelegate;
  38 class TestRenderFrameHostFactory;
  39 class TestRenderViewHostFactory;
  40 class WebContents;
  41
  42 // An interface and utility for driving tests of RenderFrameHost.
  43 class RenderFrameHostTester {
  44  public:
  45   // Retrieves the RenderFrameHostTester that drives the specified
  46   // RenderFrameHost. The RenderFrameHost must have been created while
  47   // RenderFrameHost testing was enabled; use a
  48   // RenderViewHostTestEnabler instance (see below) to do this.
  49   static RenderFrameHostTester* For(RenderFrameHost* host);
  50
  51   virtual ~RenderFrameHostTester() {}
  52
  53   // Gives tests access to RenderFrameHostImpl::OnCreateChild. The returned
  54   // RenderFrameHost is owned by the parent RenderFrameHost.
  55   virtual RenderFrameHost* AppendChild(const std::string& frame_name) = 0;
  56
  57   // Calls OnMsgNavigate on the RenderViewHost with the given information,
  58   // including a custom PageTransition.  Sets the rest of the
  59   // parameters in the message to the "typical" values. This is a helper
  60   // function for simulating the most common types of loads.
  61   virtual void SendNavigateWithTransition(int page_id,
  62                                           const GURL& url,
  63                                           ui::PageTransition transition) = 0;
  64 };
  65
  66 // An interface and utility for driving tests of RenderViewHost.
  67 class RenderViewHostTester {
  68  public:
  69   // Retrieves the RenderViewHostTester that drives the specified
  70   // RenderViewHost.  The RenderViewHost must have been created while
  71   // RenderViewHost testing was enabled; use a
  72   // RenderViewHostTestEnabler instance (see below) to do this.
  73   static RenderViewHostTester* For(RenderViewHost* host);
  74
  75   // If the given WebContentsImpl has a pending RVH, returns it, otherwise NULL.
  76   static RenderViewHost* GetPendingForController(
  77       NavigationController* controller);
  78
  79   // This removes the need to expose
  80   // RenderViewHostImpl::is_swapped_out() outside of content.
  81   //
  82   // This is safe to call on any RenderViewHost, not just ones
  83   // constructed while a RenderViewHostTestEnabler is in play.
  84   static bool IsRenderViewHostSwappedOut(RenderViewHost* rvh);
  85
  86   // Calls the RenderViewHosts' private OnMessageReceived function with the
  87   // given message.
  88   static bool TestOnMessageReceived(RenderViewHost* rvh,
  89                                     const IPC::Message& msg);
  90
  91   // Returns whether the underlying web-page has any touch-event handlers.
  92   static bool HasTouchEventHandler(RenderViewHost* rvh);
  93
  94   virtual ~RenderViewHostTester() {}
  95
  96   // Gives tests access to RenderViewHostImpl::CreateRenderView.
  97   virtual bool CreateRenderView(const base::string16& frame_name,
  98                                 int opener_route_id,
  99                                 int proxy_routing_id,
 100                                 int32 max_page_id,
 101                                 bool created_with_opener) = 0;
 102
 103   // Calls OnMsgNavigate on the RenderViewHost with the given information,
 104   // setting the rest of the parameters in the message to the "typical" values.
 105   // This is a helper function for simulating the most common types of loads.
 106   virtual void SendNavigate(int page_id, const GURL& url) = 0;
 107   virtual void SendFailedNavigate(int page_id, const GURL& url) = 0;
 108
 109   // Calls OnMsgNavigate on the RenderViewHost with the given information,
 110   // including a custom PageTransition.  Sets the rest of the
 111   // parameters in the message to the "typical" values. This is a helper
 112   // function for simulating the most common types of loads.
 113   virtual void SendNavigateWithTransition(int page_id, const GURL& url,
 114                                           ui::PageTransition transition) = 0;
 115
 116   // Calls OnBeforeUnloadACK on the main RenderFrameHost with the given
 117   // parameter.
 118   virtual void SendBeforeUnloadACK(bool proceed) = 0;
 119
 120   // If set, future loads will have |mime_type| set as the mime type.
 121   // If not set, the mime type will default to "text/html".
 122   virtual void SetContentsMimeType(const std::string& mime_type) = 0;
 123
 124   // Simulates the SwapOut_ACK that fires if you commit a cross-site
 125   // navigation without making any network requests.
 126   virtual void SimulateSwapOutACK() = 0;
 127
 128   // Makes the WasHidden/WasShown calls to the RenderWidget that
 129   // tell it it has been hidden or restored from having been hidden.
 130   virtual void SimulateWasHidden() = 0;
 131   virtual void SimulateWasShown() = 0;
 132 };
 133
 134 // You can instantiate only one class like this at a time.  During its
 135 // lifetime, RenderViewHost and RenderFrameHost objects created may be used via
 136 // RenderViewHostTester and RenderFrameHostTester respectively.
 137 class RenderViewHostTestEnabler {
 138  public:
 139   RenderViewHostTestEnabler();
 140   ~RenderViewHostTestEnabler();
 141
 142  private:
 143   DISALLOW_COPY_AND_ASSIGN(RenderViewHostTestEnabler);
 144   friend class RenderViewHostTestHarness;
 145
 146   scoped_ptr<MockRenderProcessHostFactory> rph_factory_;
 147   scoped_ptr<TestRenderViewHostFactory> rvh_factory_;
 148   scoped_ptr<TestRenderFrameHostFactory> rfh_factory_;
 149 };
 150
 151 // RenderViewHostTestHarness ---------------------------------------------------
 152 class RenderViewHostTestHarness : public testing::Test {
 153  public:
 154   RenderViewHostTestHarness();
 155   virtual ~RenderViewHostTestHarness();
 156
 157   NavigationController& controller();
 158
 159   // The contents under test.
 160   WebContents* web_contents();
 161
 162   // RVH/RFH getters are shorthand for oft-used bits of web_contents().
 163
 164   // rvh() is equivalent to either of:
 165   //   web_contents()->GetMainFrame()->GetRenderViewHost()
 166   //   web_contents()->GetRenderViewHost()
 167   RenderViewHost* rvh();
 168
 169   // pending_rvh() is equivalent to:
 170   //   WebContentsTester::For(web_contents())->GetPendingRenderViewHost()
 171   RenderViewHost* pending_rvh();
 172
 173   // active_rvh() is equivalent to pending_rvh() ? pending_rvh() : rvh()
 174   RenderViewHost* active_rvh();
 175
 176   // main_rfh() is equivalent to web_contents()->GetMainFrame()
 177   RenderFrameHost* main_rfh();
 178
 179   // pending_main_rfh() is equivalent to:
 180   //   WebContentsTester::For(web_contents())->GetPendingMainFrame()
 181   RenderFrameHost* pending_main_rfh();
 182
 183   BrowserContext* browser_context();
 184   MockRenderProcessHost* process();
 185
 186   // Frees the current WebContents for tests that want to test destruction.
 187   void DeleteContents();
 188
 189   // Sets the current WebContents for tests that want to alter it. Takes
 190   // ownership of the WebContents passed.
 191   void SetContents(WebContents* contents);
 192
 193   // Creates a new test-enabled WebContents. Ownership passes to the
 194   // caller.
 195   WebContents* CreateTestWebContents();
 196
 197   // Cover for |contents()->NavigateAndCommit(url)|. See
 198   // WebContentsTester::NavigateAndCommit for details.
 199   void NavigateAndCommit(const GURL& url);
 200
 201   // Simulates a reload of the current page.
 202   void Reload();
 203   void FailedReload();
 204
 205  protected:
 206   // testing::Test
 207   virtual void SetUp() OVERRIDE;
 208   virtual void TearDown() OVERRIDE;
 209
 210   // Derived classes should override this method to use a custom BrowserContext.
 211   // It is invoked by SetUp after threads were started.
 212   // RenderViewHostTestHarness will take ownership of the returned
 213   // BrowserContext.
 214   virtual BrowserContext* CreateBrowserContext();
 215
 216   // Configures which TestBrowserThreads inside |thread_bundle| are backed by
 217   // real threads. Must be called before SetUp().
 218   void SetThreadBundleOptions(int options) {
 219     DCHECK(thread_bundle_.get() == NULL);
 220     thread_bundle_options_ = options;
 221   }
 222
 223   TestBrowserThreadBundle* thread_bundle() { return thread_bundle_.get(); }
 224
 225 #if defined(USE_AURA)
 226   aura::Window* root_window() { return aura_test_helper_->root_window(); }
 227 #endif
 228
 229   // Replaces the RPH being used.
 230   void SetRenderProcessHostFactory(RenderProcessHostFactory* factory);
 231
 232  private:
 233   scoped_ptr<BrowserContext> browser_context_;
 234
 235   scoped_ptr<WebContents> contents_;
 236 #if defined(OS_WIN)
 237   scoped_ptr<ui::ScopedOleInitializer> ole_initializer_;
 238 #endif
 239 #if defined(USE_AURA)
 240   scoped_ptr<aura::test::AuraTestHelper> aura_test_helper_;
 241 #endif
 242   RenderViewHostTestEnabler rvh_test_enabler_;
 243
 244   int thread_bundle_options_;
 245   scoped_ptr<TestBrowserThreadBundle> thread_bundle_;
 246
 247   DISALLOW_COPY_AND_ASSIGN(RenderViewHostTestHarness);
 248 };
 249
 250 }  // namespace content
 251
 252 #endif  // CONTENT_PUBLIC_TEST_TEST_RENDERER_HOST_H_