ash/display/projecting_observer_chromeos_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 "ash/display/projecting_observer_chromeos.h"
   6
   7 #include "base/memory/scoped_vector.h"
   8 #include "chromeos/dbus/fake_dbus_thread_manager.h"
   9 #include "chromeos/dbus/fake_power_manager_client.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "ui/display/chromeos/test/test_display_snapshot.h"
  12
  13 namespace ash {
  14 namespace {
  15
  16 ui::TestDisplaySnapshot* CreateInternalSnapshot() {
  17   ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
  18   output->set_type(ui::OUTPUT_TYPE_INTERNAL);
  19   return output;
  20 }
  21
  22 ui::TestDisplaySnapshot* CreateVGASnapshot() {
  23   ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
  24   output->set_type(ui::OUTPUT_TYPE_VGA);
  25   return output;
  26 }
  27
  28 ui::OutputConfigurator::DisplayStateList CreateOutputs(
  29     const ScopedVector<ui::TestDisplaySnapshot>& displays) {
  30   ui::OutputConfigurator::DisplayStateList outputs;
  31   for (size_t i = 0; i < displays.size(); ++i) {
  32     ui::OutputConfigurator::DisplayState state;
  33     state.display = displays[i];
  34     outputs.push_back(state);
  35   }
  36
  37   return outputs;
  38 }
  39
  40 class ProjectingObserverTest : public testing::Test {
  41  public:
  42   ProjectingObserverTest() : observer_(new ProjectingObserver()) {
  43     chromeos::FakeDBusThreadManager* dbus_manager =
  44         new chromeos::FakeDBusThreadManager();
  45     fake_power_client_ = new chromeos::FakePowerManagerClient();
  46
  47     dbus_manager->SetPowerManagerClient(
  48         scoped_ptr<chromeos::PowerManagerClient>(fake_power_client_));
  49
  50     // Takes ownership of |dbus_manager|.
  51     chromeos::DBusThreadManager::InitializeForTesting(dbus_manager);
  52   }
  53
  54   virtual ~ProjectingObserverTest() {
  55     chromeos::DBusThreadManager::Shutdown();
  56   }
  57
  58  protected:
  59   scoped_ptr<ProjectingObserver> observer_;
  60   chromeos::FakePowerManagerClient* fake_power_client_;  //  Not owned.
  61
  62   DISALLOW_COPY_AND_ASSIGN(ProjectingObserverTest);
  63 };
  64
  65 }  // namespace
  66
  67 TEST_F(ProjectingObserverTest, CheckNoDisplay) {
  68   ScopedVector<ui::TestDisplaySnapshot> displays;
  69   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  70   observer_->OnDisplayModeChanged(outputs);
  71
  72   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
  73   EXPECT_FALSE(fake_power_client_->is_projecting());
  74 }
  75
  76 TEST_F(ProjectingObserverTest, CheckWithoutInternalDisplay) {
  77   ScopedVector<ui::TestDisplaySnapshot> displays;
  78   displays.push_back(CreateVGASnapshot());
  79   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  80   observer_->OnDisplayModeChanged(outputs);
  81
  82   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
  83   EXPECT_FALSE(fake_power_client_->is_projecting());
  84 }
  85
  86 TEST_F(ProjectingObserverTest, CheckWithInternalDisplay) {
  87   ScopedVector<ui::TestDisplaySnapshot> displays;
  88   displays.push_back(CreateInternalSnapshot());
  89   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
  90   observer_->OnDisplayModeChanged(outputs);
  91
  92   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
  93   EXPECT_FALSE(fake_power_client_->is_projecting());
  94 }
  95
  96 TEST_F(ProjectingObserverTest, CheckWithTwoVGADisplays) {
  97   ScopedVector<ui::TestDisplaySnapshot> displays;
  98   displays.push_back(CreateVGASnapshot());
  99   displays.push_back(CreateVGASnapshot());
 100   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 101   observer_->OnDisplayModeChanged(outputs);
 102
 103   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
 104   // We need at least 1 internal display to set projecting to on.
 105   EXPECT_FALSE(fake_power_client_->is_projecting());
 106 }
 107
 108 TEST_F(ProjectingObserverTest, CheckWithInternalAndVGADisplays) {
 109   ScopedVector<ui::TestDisplaySnapshot> displays;
 110   displays.push_back(CreateInternalSnapshot());
 111   displays.push_back(CreateVGASnapshot());
 112   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 113   observer_->OnDisplayModeChanged(outputs);
 114
 115   EXPECT_EQ(1, fake_power_client_->num_set_is_projecting_calls());
 116   EXPECT_TRUE(fake_power_client_->is_projecting());
 117 }
 118
 119 TEST_F(ProjectingObserverTest, CheckWithVGADisplayAndOneCastingSession) {
 120   ScopedVector<ui::TestDisplaySnapshot> displays;
 121   displays.push_back(CreateVGASnapshot());
 122   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 123   observer_->OnDisplayModeChanged(outputs);
 124
 125   observer_->OnCastingSessionStartedOrStopped(true);
 126
 127   EXPECT_EQ(2, fake_power_client_->num_set_is_projecting_calls());
 128   // Need at least one internal display to set projecting state to |true|.
 129   EXPECT_FALSE(fake_power_client_->is_projecting());
 130 }
 131
 132 TEST_F(ProjectingObserverTest, CheckWithInternalDisplayAndOneCastingSession) {
 133   ScopedVector<ui::TestDisplaySnapshot> displays;
 134   displays.push_back(CreateInternalSnapshot());
 135   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 136   observer_->OnDisplayModeChanged(outputs);
 137
 138   observer_->OnCastingSessionStartedOrStopped(true);
 139
 140   EXPECT_EQ(2, fake_power_client_->num_set_is_projecting_calls());
 141   EXPECT_TRUE(fake_power_client_->is_projecting());
 142 }
 143
 144 TEST_F(ProjectingObserverTest, CheckProjectingAfterClosingACastingSession) {
 145   ScopedVector<ui::TestDisplaySnapshot> displays;
 146   displays.push_back(CreateInternalSnapshot());
 147   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 148   observer_->OnDisplayModeChanged(outputs);
 149
 150   observer_->OnCastingSessionStartedOrStopped(true);
 151   observer_->OnCastingSessionStartedOrStopped(true);
 152
 153   EXPECT_EQ(3, fake_power_client_->num_set_is_projecting_calls());
 154   EXPECT_TRUE(fake_power_client_->is_projecting());
 155
 156   observer_->OnCastingSessionStartedOrStopped(false);
 157
 158   EXPECT_EQ(4, fake_power_client_->num_set_is_projecting_calls());
 159   EXPECT_TRUE(fake_power_client_->is_projecting());
 160 }
 161
 162 TEST_F(ProjectingObserverTest,
 163        CheckStopProjectingAfterClosingAllCastingSessions) {
 164   ScopedVector<ui::TestDisplaySnapshot> displays;
 165   displays.push_back(CreateInternalSnapshot());
 166   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 167   observer_->OnDisplayModeChanged(outputs);
 168
 169   observer_->OnCastingSessionStartedOrStopped(true);
 170   observer_->OnCastingSessionStartedOrStopped(false);
 171
 172   EXPECT_EQ(3, fake_power_client_->num_set_is_projecting_calls());
 173   EXPECT_FALSE(fake_power_client_->is_projecting());
 174 }
 175
 176 TEST_F(ProjectingObserverTest,
 177        CheckStopProjectingAfterDisconnectingSecondOutput) {
 178   ScopedVector<ui::TestDisplaySnapshot> displays;
 179   displays.push_back(CreateInternalSnapshot());
 180   displays.push_back(CreateVGASnapshot());
 181   ui::OutputConfigurator::DisplayStateList outputs = CreateOutputs(displays);
 182   observer_->OnDisplayModeChanged(outputs);
 183
 184   // Remove VGA output.
 185   outputs.erase(outputs.begin() + 1);
 186   observer_->OnDisplayModeChanged(outputs);
 187
 188   EXPECT_EQ(2, fake_power_client_->num_set_is_projecting_calls());
 189   EXPECT_FALSE(fake_power_client_->is_projecting());
 190 }
 191
 192 }  // namespace ash