Introduce abstractions to allow embedders to test RenderViewHost

chrome/browser/visitedlink/visitedlink_unittest.cc

 // 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 <cstdio>
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/shared_memory.h"
 #include "base/string_util.h"
 #include "chrome/browser/visitedlink/visitedlink_event_listener.h"
 #include "chrome/browser/visitedlink/visitedlink_master.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/visitedlink_slave.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/browser/renderer_host/mock_render_process_host.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/test/test_browser_thread.h"
+#include "content/test/test_renderer_host.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
+using content::RenderViewHostTester;
 
 namespace {
 
 // a nice long URL that we can append numbers to to get new URLs
 const char g_test_prefix[] =
   "http://www.google.com/products/foo/index.html?id=45028640526508376&seq=";
 const int g_test_count = 1000;
 
 // Returns a test URL for index |i|
 GURL TestURL(int i) {
@@ skipping 520 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(VisitedLinkRenderProcessHostFactory);
 };
 
 class VisitedLinkEventsTest : public ChromeRenderViewHostTestHarness {
  public:
   VisitedLinkEventsTest()
       : ui_thread_(BrowserThread::UI, &message_loop_),
         file_thread_(BrowserThread::FILE, &message_loop_) {}
   virtual ~VisitedLinkEventsTest() {}
   virtual void SetUp() {
-    rvh_factory_.set_render_process_host_factory(&vc_rph_factory_);
+    SetRenderProcessHostFactory(&vc_rph_factory_);
     browser_context_.reset(new VisitCountingProfile());
     ChromeRenderViewHostTestHarness::SetUp();
   }
 
   VisitCountingProfile* profile() const {
     return static_cast<VisitCountingProfile*>(browser_context_.get());
   }
 
   void WaitForCoalescense() {
     // Let the timer fire.
@@ skipping 62 matching lines @@
   WaitForCoalescense();
 
   // We should have no change in results except for one new reset event.
   EXPECT_EQ(6, profile()->add_count());
   EXPECT_EQ(2, profile()->add_event_count());
   EXPECT_EQ(1, profile()->reset_event_count());
 }
 
 TEST_F(VisitedLinkEventsTest, Basics) {
   VisitedLinkMaster* master = profile()->GetVisitedLinkMaster();
-  rvh()->CreateRenderView(string16(), -1);
+  rvh_tester()->CreateRenderView(string16(), -1);
 
   // Add a few URLs.
   master->AddURL(GURL("http://acidtests.org/"));
   master->AddURL(GURL("http://google.com/"));
   master->AddURL(GURL("http://chromium.org/"));
 
   WaitForCoalescense();
 
   // We now should have 1 add event.
   EXPECT_EQ(1, profile()->add_event_count());
   EXPECT_EQ(0, profile()->reset_event_count());
 
   master->DeleteAllURLs();
 
   WaitForCoalescense();
 
   // We should have no change in add results, plus one new reset event.
   EXPECT_EQ(1, profile()->add_event_count());
   EXPECT_EQ(1, profile()->reset_event_count());
 }
 
 TEST_F(VisitedLinkEventsTest, TabVisibility) {
   VisitedLinkMaster* master = profile()->GetVisitedLinkMaster();
-  rvh()->CreateRenderView(string16(), -1);
+  rvh_tester()->CreateRenderView(string16(), -1);
 
   // Simulate tab becoming inactive.
-  rvh()->WasHidden();
+  rvh_tester()->SimulateWasHidden();
 
   // Add a few URLs.
   master->AddURL(GURL("http://acidtests.org/"));
   master->AddURL(GURL("http://google.com/"));
   master->AddURL(GURL("http://chromium.org/"));
 
   WaitForCoalescense();
 
   // We shouldn't have any events.
   EXPECT_EQ(0, profile()->add_event_count());
   EXPECT_EQ(0, profile()->reset_event_count());
 
   // Simulate the tab becoming active.
-  rvh()->WasRestored();
+  rvh_tester()->SimulateWasRestored();
 
   // We should now have 3 add events, still no reset events.
   EXPECT_EQ(1, profile()->add_event_count());
   EXPECT_EQ(0, profile()->reset_event_count());
 
   // Deactivate the tab again.
-  rvh()->WasHidden();
+  rvh_tester()->SimulateWasHidden();
 
   // Add a bunch of URLs (over 50) to exhaust the link event buffer.
   for (int i = 0; i < 100; i++)
     master->AddURL(TestURL(i));
 
   WaitForCoalescense();
 
   // Again, no change in events until tab is active.
   EXPECT_EQ(1, profile()->add_event_count());
   EXPECT_EQ(0, profile()->reset_event_count());
 
   // Activate the tab.
-  rvh()->WasRestored();
+  rvh_tester()->SimulateWasRestored();
 
   // We should have only one more reset event.
   EXPECT_EQ(1, profile()->add_event_count());
   EXPECT_EQ(1, profile()->reset_event_count());
 }