ash/shelf/shelf_navigator_unittest.cc

   1 // Copyright 2013 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/shelf/shelf_navigator.h"
   6
   7 #include "ash/ash_switches.h"
   8 #include "ash/shelf/shelf.h"
   9 #include "ash/shelf/shelf_item_types.h"
  10 #include "ash/shelf/shelf_model.h"
  11 #include "base/command_line.h"
  12 #include "base/macros.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace ash {
  16
  17 namespace {
  18
  19 class ShelfNavigatorTest : public testing::Test {
  20  public:
  21   ShelfNavigatorTest() {}
  22
  23  protected:
  24   void SetUp() override {
  25     model_.reset(new ShelfModel);
  26
  27     // Add APP_LIST for test.
  28     ShelfItem app_list;
  29     app_list.type = TYPE_APP_LIST;
  30     model_->Add(app_list);
  31
  32     // Initially, applist launcher item is only created.
  33     int total_num = model_->item_count();
  34     EXPECT_EQ(1, total_num);
  35     EXPECT_TRUE(model_->items()[0].type == TYPE_APP_LIST);
  36
  37     // Add BROWSER_SHORTCUT for test.
  38     ShelfItem browser_shortcut;
  39     browser_shortcut.type = TYPE_BROWSER_SHORTCUT;
  40     model_->Add(browser_shortcut);
  41   }
  42
  43   void SetupMockShelfModel(ShelfItemType* types,
  44                            int types_length,
  45                            int focused_index) {
  46     for (int i = 0; i < types_length; ++i) {
  47       ShelfItem new_item;
  48       new_item.type = types[i];
  49       new_item.status =
  50           (types[i] == TYPE_PLATFORM_APP) ? STATUS_RUNNING : STATUS_CLOSED;
  51       model_->Add(new_item);
  52     }
  53
  54     // Set the focused item.
  55     if (focused_index >= 0) {
  56       ShelfItem focused_item =model_->items()[focused_index];
  57       if (focused_item.type == TYPE_PLATFORM_APP) {
  58         focused_item.status = STATUS_ACTIVE;
  59         model_->Set(focused_index, focused_item);
  60       }
  61     }
  62   }
  63
  64   const ShelfModel& model() { return *model_.get(); }
  65
  66  private:
  67   scoped_ptr<ShelfModel> model_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(ShelfNavigatorTest);
  70 };
  71
  72 }  // namespace
  73
  74 TEST_F(ShelfNavigatorTest, BasicCycle) {
  75   // An app shortcut and three platform apps.
  76   ShelfItemType types[] = {
  77     TYPE_APP_SHORTCUT, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP,
  78   };
  79   // ShelfModel automatically adds BROWSER_SHORTCUT item at the
  80   // beginning, so '3' refers the first TYPE_PLATFORM_APP item.
  81   SetupMockShelfModel(types, arraysize(types), 3);
  82
  83   EXPECT_EQ(4, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
  84
  85   // Fourth one.  It will skip the APP_SHORTCUT at the beginning of the list and
  86   // the APP_LIST item which is automatically added at the end of items.
  87   EXPECT_EQ(5, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
  88 }
  89
  90 TEST_F(ShelfNavigatorTest, WrapToBeginning) {
  91   ShelfItemType types[] = {
  92     TYPE_APP_SHORTCUT, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP, TYPE_PLATFORM_APP,
  93   };
  94   SetupMockShelfModel(types, arraysize(types), 5);
  95
  96   // Second one.  It skips the APP_LIST item at the end of the list,
  97   // wraps to the beginning, and skips BROWSER_SHORTCUT and APP_SHORTCUT
  98   // at the beginning of the list.
  99   EXPECT_EQ(3, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
 100 }
 101
 102 TEST_F(ShelfNavigatorTest, Empty) {
 103   SetupMockShelfModel(NULL, 0, -1);
 104   EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
 105   EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
 106 }
 107
 108 TEST_F(ShelfNavigatorTest, SingleEntry) {
 109   ShelfItemType type = TYPE_PLATFORM_APP;
 110   SetupMockShelfModel(&type, 1, 2);
 111
 112   // If there's only one item there and it is already active, there's no item
 113   // to be activated next.
 114   EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
 115   EXPECT_EQ(-1, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
 116 }
 117
 118 TEST_F(ShelfNavigatorTest, NoActive) {
 119   ShelfItemType types[] = {
 120     TYPE_PLATFORM_APP, TYPE_PLATFORM_APP,
 121   };
 122   // Special case: no items are 'STATUS_ACTIVE'.
 123   SetupMockShelfModel(types, arraysize(types), -1);
 124
 125   // If there are no active status, pick the first running item as a fallback.
 126   EXPECT_EQ(2, GetNextActivatedItemIndex(model(), CYCLE_FORWARD));
 127   EXPECT_EQ(2, GetNextActivatedItemIndex(model(), CYCLE_BACKWARD));
 128 }
 129
 130 }  // namespace ash