src/extensions/browser/guest_view/guest_view_manager_unittest.cc

   1 // Copyright 2014 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 "extensions/browser/guest_view/guest_view_manager.h"
   6
   7 #include "content/public/browser/notification_service.h"
   8 #include "content/public/test/test_browser_context.h"
   9 #include "content/public/test/test_browser_thread_bundle.h"
  10 #include "content/public/test/web_contents_tester.h"
  11 #include "extensions/browser/extensions_test.h"
  12
  13 using content::WebContents;
  14 using content::WebContentsTester;
  15
  16 namespace extensions {
  17
  18 namespace guestview {
  19
  20 // This class allows us to access some private variables in
  21 // GuestViewManager.
  22 class TestGuestViewManager : public GuestViewManager {
  23  public:
  24   explicit TestGuestViewManager(content::BrowserContext* context)
  25       : GuestViewManager(context) {}
  26
  27   int last_instance_id_removed_for_testing() {
  28     return last_instance_id_removed_;
  29   }
  30
  31   size_t GetRemovedInstanceIdSize() { return removed_instance_ids_.size(); }
  32
  33  private:
  34   using GuestViewManager::last_instance_id_removed_;
  35   using GuestViewManager::removed_instance_ids_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(TestGuestViewManager);
  38 };
  39
  40 } // namespace guestview
  41
  42 namespace {
  43
  44 class GuestViewManagerTest : public extensions::ExtensionsTest {
  45  public:
  46   GuestViewManagerTest() :
  47     notification_service_(content::NotificationService::Create()) {}
  48   ~GuestViewManagerTest() override {}
  49
  50   scoped_ptr<WebContents> CreateWebContents() {
  51     return scoped_ptr<WebContents>(
  52         WebContentsTester::CreateTestWebContents(&browser_context_, NULL));
  53   }
  54
  55  private:
  56   scoped_ptr<content::NotificationService> notification_service_;
  57   content::TestBrowserThreadBundle thread_bundle_;
  58   content::TestBrowserContext browser_context_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(GuestViewManagerTest);
  61 };
  62
  63 }  // namespace
  64
  65 TEST_F(GuestViewManagerTest, AddRemove) {
  66   content::TestBrowserContext browser_context;
  67   scoped_ptr<guestview::TestGuestViewManager> manager(
  68       new guestview::TestGuestViewManager(&browser_context));
  69
  70   scoped_ptr<WebContents> web_contents1(CreateWebContents());
  71   scoped_ptr<WebContents> web_contents2(CreateWebContents());
  72   scoped_ptr<WebContents> web_contents3(CreateWebContents());
  73
  74   EXPECT_EQ(0, manager->last_instance_id_removed_for_testing());
  75
  76   EXPECT_TRUE(manager->CanUseGuestInstanceID(1));
  77   EXPECT_TRUE(manager->CanUseGuestInstanceID(2));
  78   EXPECT_TRUE(manager->CanUseGuestInstanceID(3));
  79
  80   manager->AddGuest(1, web_contents1.get());
  81   manager->AddGuest(2, web_contents2.get());
  82   manager->RemoveGuest(2);
  83
  84   // Since we removed 2, it would be an invalid ID.
  85   EXPECT_TRUE(manager->CanUseGuestInstanceID(1));
  86   EXPECT_FALSE(manager->CanUseGuestInstanceID(2));
  87   EXPECT_TRUE(manager->CanUseGuestInstanceID(3));
  88
  89   EXPECT_EQ(0, manager->last_instance_id_removed_for_testing());
  90
  91   EXPECT_TRUE(manager->CanUseGuestInstanceID(3));
  92
  93   manager->AddGuest(3, web_contents3.get());
  94   manager->RemoveGuest(1);
  95   EXPECT_FALSE(manager->CanUseGuestInstanceID(1));
  96   EXPECT_FALSE(manager->CanUseGuestInstanceID(2));
  97
  98   EXPECT_EQ(2, manager->last_instance_id_removed_for_testing());
  99   manager->RemoveGuest(3);
 100   EXPECT_EQ(3, manager->last_instance_id_removed_for_testing());
 101
 102   EXPECT_FALSE(manager->CanUseGuestInstanceID(1));
 103   EXPECT_FALSE(manager->CanUseGuestInstanceID(2));
 104   EXPECT_FALSE(manager->CanUseGuestInstanceID(3));
 105
 106   EXPECT_EQ(0u, manager->GetRemovedInstanceIdSize());
 107 }
 108
 109 }  // namespace extensions