mandoline/tab/frame_apptest.cc

   1 // Copyright 2015 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 "mandoline/tab/frame.h"
   6
   7 #include "base/bind.h"
   8 #include "base/location.h"
   9 #include "base/logging.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "base/run_loop.h"
  12 #include "base/test/test_timeouts.h"
  13 #include "components/view_manager/public/cpp/lib/view_manager_client_impl.h"
  14 #include "components/view_manager/public/cpp/view_manager_client_factory.h"
  15 #include "components/view_manager/public/cpp/view_manager_delegate.h"
  16 #include "components/view_manager/public/cpp/view_manager_init.h"
  17 #include "components/view_manager/public/cpp/view_observer.h"
  18 #include "mandoline/tab/frame.h"
  19 #include "mandoline/tab/frame_tree.h"
  20 #include "mandoline/tab/frame_tree_delegate.h"
  21 #include "mandoline/tab/frame_user_data.h"
  22 #include "mojo/application/public/cpp/application_connection.h"
  23 #include "mojo/application/public/cpp/application_delegate.h"
  24 #include "mojo/application/public/cpp/application_impl.h"
  25 #include "mojo/application/public/cpp/application_test_base.h"
  26 #include "mojo/application/public/cpp/service_provider_impl.h"
  27
  28 using mojo::View;
  29 using mojo::ViewManager;
  30
  31 namespace mandoline {
  32
  33 namespace {
  34
  35 base::RunLoop* current_run_loop = nullptr;
  36
  37 void TimeoutRunLoop(const base::Closure& timeout_task, bool* timeout) {
  38   CHECK(current_run_loop);
  39   *timeout = true;
  40   timeout_task.Run();
  41 }
  42
  43 bool DoRunLoopWithTimeout() {
  44   if (current_run_loop != nullptr)
  45     return false;
  46
  47   bool timeout = false;
  48   base::RunLoop run_loop;
  49   base::MessageLoop::current()->PostDelayedTask(
  50       FROM_HERE, base::Bind(&TimeoutRunLoop, run_loop.QuitClosure(), &timeout),
  51       TestTimeouts::action_timeout());
  52
  53   current_run_loop = &run_loop;
  54   current_run_loop->Run();
  55   current_run_loop = nullptr;
  56   return !timeout;
  57 }
  58
  59 void QuitRunLoop() {
  60   current_run_loop->Quit();
  61   current_run_loop = nullptr;
  62 }
  63
  64 }  // namespace
  65
  66 class FrameTest : public mojo::test::ApplicationTestBase,
  67                   public mojo::ApplicationDelegate,
  68                   public mojo::ViewManagerDelegate {
  69  public:
  70   FrameTest() : most_recent_view_manager_(nullptr), window_manager_(nullptr) {}
  71
  72   ViewManager* most_recent_view_manager() { return most_recent_view_manager_; }
  73
  74   // Overridden from ApplicationDelegate:
  75   void Initialize(mojo::ApplicationImpl* app) override {
  76     view_manager_client_factory_.reset(
  77         new mojo::ViewManagerClientFactory(app->shell(), this));
  78   }
  79
  80   // ApplicationDelegate implementation.
  81   bool ConfigureIncomingConnection(
  82       mojo::ApplicationConnection* connection) override {
  83     connection->AddService(view_manager_client_factory_.get());
  84     return true;
  85   }
  86
  87   ViewManager* window_manager() { return window_manager_; }
  88
  89   // ApplicationTestBase:
  90   ApplicationDelegate* GetApplicationDelegate() override { return this; }
  91
  92   // Overridden from ViewManagerDelegate:
  93   void OnEmbed(View* root) override {
  94     most_recent_view_manager_ = root->view_manager();
  95     QuitRunLoop();
  96   }
  97   void OnViewManagerDestroyed(ViewManager* view_manager) override {}
  98
  99  private:
 100   // Overridden from testing::Test:
 101   void SetUp() override {
 102     ApplicationTestBase::SetUp();
 103
 104     view_manager_init_.reset(
 105         new mojo::ViewManagerInit(application_impl(), this, nullptr));
 106     ASSERT_TRUE(DoRunLoopWithTimeout());
 107     std::swap(window_manager_, most_recent_view_manager_);
 108   }
 109
 110   // Overridden from testing::Test:
 111   void TearDown() override {
 112     view_manager_init_.reset();  // Uses application_impl() from base class.
 113     ApplicationTestBase::TearDown();
 114   }
 115
 116   scoped_ptr<mojo::ViewManagerInit> view_manager_init_;
 117
 118   scoped_ptr<mojo::ViewManagerClientFactory> view_manager_client_factory_;
 119
 120   // Used to receive the most recent view manager loaded by an embed action.
 121   ViewManager* most_recent_view_manager_;
 122   // The View Manager connection held by the window manager (app running at the
 123   // root view).
 124   ViewManager* window_manager_;
 125
 126   MOJO_DISALLOW_COPY_AND_ASSIGN(FrameTest);
 127 };
 128
 129 class TestFrameTreeDelegate : public FrameTreeDelegate {
 130  public:
 131   TestFrameTreeDelegate() {}
 132   ~TestFrameTreeDelegate() override {}
 133
 134   // TestFrameTreeDelegate:
 135   bool CanPostMessageEventToFrame(const Frame* source,
 136                                   const Frame* target,
 137                                   MessageEvent* event) override {
 138     return false;
 139   }
 140   void LoadingStateChanged(bool loading) override {}
 141   void ProgressChanged(double progress) override {}
 142
 143  private:
 144   DISALLOW_COPY_AND_ASSIGN(TestFrameTreeDelegate);
 145 };
 146
 147 class TestFrameTreeClient : public FrameTreeClient {
 148  public:
 149   TestFrameTreeClient() : connect_count_(0) {}
 150   ~TestFrameTreeClient() override {}
 151
 152   int connect_count() const { return connect_count_; }
 153
 154   mojo::Array<FrameDataPtr> connect_frames() { return connect_frames_.Pass(); }
 155
 156   mojo::Array<FrameDataPtr> adds() { return adds_.Pass(); }
 157
 158   // TestFrameTreeClient:
 159   void OnConnect(FrameTreeServerPtr server,
 160                  mojo::Array<FrameDataPtr> frames) override {
 161     connect_count_++;
 162     connect_frames_ = frames.Pass();
 163     server_ = server.Pass();
 164   }
 165   void OnFrameAdded(FrameDataPtr frame) override {
 166     adds_.push_back(frame.Pass());
 167   }
 168   void OnFrameRemoved(uint32_t frame_id) override {}
 169   void OnFrameNameChanged(uint32_t frame_id,
 170                           const mojo::String& name) override {}
 171
 172  private:
 173   int connect_count_;
 174   mojo::Array<FrameDataPtr> connect_frames_;
 175   FrameTreeServerPtr server_;
 176   mojo::Array<FrameDataPtr> adds_;
 177
 178   DISALLOW_COPY_AND_ASSIGN(TestFrameTreeClient);
 179 };
 180
 181 // Verifies the root gets a connect.
 182 TEST_F(FrameTest, RootGetsConnect) {
 183   TestFrameTreeDelegate tree_delegate;
 184   TestFrameTreeClient root_client;
 185   FrameTree tree(window_manager()->GetRoot(), &tree_delegate, &root_client,
 186                  nullptr);
 187   ASSERT_EQ(1, root_client.connect_count());
 188   mojo::Array<FrameDataPtr> frames = root_client.connect_frames();
 189   ASSERT_EQ(1u, frames.size());
 190   EXPECT_EQ(tree.root()->view()->id(), frames[0]->frame_id);
 191   EXPECT_EQ(0u, frames[0]->parent_id);
 192 }
 193
 194 // Verifies adding a child to the root.
 195 TEST_F(FrameTest, SingleChild) {
 196   TestFrameTreeDelegate tree_delegate;
 197   TestFrameTreeClient root_client;
 198   FrameTree tree(window_manager()->GetRoot(), &tree_delegate, &root_client,
 199                  nullptr);
 200
 201   View* child = window_manager()->CreateView();
 202   EXPECT_EQ(nullptr, Frame::FindFirstFrameAncestor(child));
 203   window_manager()->GetRoot()->AddChild(child);
 204   EXPECT_EQ(tree.root(), Frame::FindFirstFrameAncestor(child));
 205
 206   TestFrameTreeClient child_client;
 207   Frame* child_frame =
 208       tree.CreateAndAddFrame(child, tree.root(), &child_client, nullptr);
 209   EXPECT_EQ(tree.root(), child_frame->parent());
 210
 211   ASSERT_EQ(1, child_client.connect_count());
 212   mojo::Array<FrameDataPtr> frames_in_child = child_client.connect_frames();
 213   // We expect 2 frames. One for the root, one for the child.
 214   ASSERT_EQ(2u, frames_in_child.size());
 215   EXPECT_EQ(tree.root()->view()->id(), frames_in_child[0]->frame_id);
 216   EXPECT_EQ(0u, frames_in_child[0]->parent_id);
 217   EXPECT_EQ(child_frame->view()->id(), frames_in_child[1]->frame_id);
 218   EXPECT_EQ(tree.root()->view()->id(), frames_in_child[1]->parent_id);
 219
 220   // The root did the add, so it shouldn't get an add.
 221   EXPECT_EQ(0u, root_client.adds().size());
 222 }
 223
 224 }  // namespace mandoline