chrome/browser/ui/ash/launcher/launcher_application_menu_item_model_unittest.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 "chrome/browser/ui/ash/launcher/launcher_application_menu_item_model.h"
   6
   7 #include "base/macros.h"
   8 #include "base/test/histogram_tester.h"
   9 #include "chrome/browser/ui/ash/launcher/test/launcher_application_menu_item_model_test_api.h"
  10 #include "chrome/browser/ui/ash/launcher/test/test_chrome_launcher_app_menu_item.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 namespace {
  14
  15 const char kNumItemsEnabledHistogramName[] =
  16     "Ash.Shelf.Menu.NumItemsEnabledUponSelection";
  17
  18 const char kSelectedMenuItemIndexHistogramName[] =
  19     "Ash.Shelf.Menu.SelectedMenuItemIndex";
  20
  21 }  // namespace
  22
  23 // Verifies LauncherApplicationMenuItemModel::GetNumMenuItemsEnabled() return
  24 // value when there are zero menu items.
  25 TEST(LauncherApplicationMenuItemModelTest,
  26      VerifyGetNumMenuItemsEnabledWithNoMenuItems) {
  27   ChromeLauncherAppMenuItems menu_items;
  28   LauncherApplicationMenuItemModel menu_model(menu_items.Pass());
  29   LauncherApplicationMenuItemModelTestAPI menu_model_test_api(&menu_model);
  30
  31   EXPECT_EQ(0, menu_model_test_api.GetNumMenuItemsEnabled());
  32 }
  33
  34 // Verifies LauncherApplicationMenuItemModel::GetNumMenuItemsEnabled() return
  35 // value when there are a mix of enabled and disabled menu items.
  36 TEST(LauncherApplicationMenuItemModelTest,
  37      VerifyGetNumMenuItemsEnabledWithMenuItems) {
  38   ChromeLauncherAppMenuItems menu_items;
  39
  40   TestChromeLauncherAppMenuItem* enabled_menu_item_1 =
  41       new TestChromeLauncherAppMenuItem();
  42   enabled_menu_item_1->set_is_enabled(true);
  43
  44   TestChromeLauncherAppMenuItem* enabled_menu_item_2 =
  45       new TestChromeLauncherAppMenuItem();
  46   enabled_menu_item_2->set_is_enabled(true);
  47
  48   TestChromeLauncherAppMenuItem* enabled_menu_item_3 =
  49       new TestChromeLauncherAppMenuItem();
  50   enabled_menu_item_3->set_is_enabled(true);
  51
  52   TestChromeLauncherAppMenuItem* disabled_menu_item_1 =
  53       new TestChromeLauncherAppMenuItem();
  54   disabled_menu_item_1->set_is_enabled(false);
  55
  56   menu_items.push_back(enabled_menu_item_1);
  57   menu_items.push_back(disabled_menu_item_1);
  58   menu_items.push_back(enabled_menu_item_2);
  59   menu_items.push_back(enabled_menu_item_3);
  60
  61   LauncherApplicationMenuItemModel menu_model(menu_items.Pass());
  62   LauncherApplicationMenuItemModelTestAPI menu_model_test_api(&menu_model);
  63
  64   EXPECT_EQ(3, menu_model_test_api.GetNumMenuItemsEnabled());
  65 }
  66
  67 // Verifies the correct histogram buckets are recorded for
  68 // LauncherApplicationMenuItemModel::RecordMenuItemSelectedMetrics.
  69 TEST(LauncherApplicationMenuItemModelTest,
  70      VerifyHistogramBucketsRecordedByRecordMenuItemSelectedMetrics) {
  71   const int kCommandId = 3;
  72   const int kNumMenuItemsEnabled = 7;
  73
  74   base::HistogramTester histogram_tester;
  75
  76   ChromeLauncherAppMenuItems menu_items;
  77   LauncherApplicationMenuItemModel menu_model(menu_items.Pass());
  78   LauncherApplicationMenuItemModelTestAPI menu_model_test_api(&menu_model);
  79   menu_model_test_api.RecordMenuItemSelectedMetrics(kCommandId,
  80                                                     kNumMenuItemsEnabled);
  81
  82   histogram_tester.ExpectTotalCount(kNumItemsEnabledHistogramName, 1);
  83   histogram_tester.ExpectBucketCount(kNumItemsEnabledHistogramName,
  84                                      kNumMenuItemsEnabled, 1);
  85
  86   histogram_tester.ExpectTotalCount(kSelectedMenuItemIndexHistogramName, 1);
  87   histogram_tester.ExpectBucketCount(kSelectedMenuItemIndexHistogramName,
  88                                      kCommandId, 1);
  89 }
  90
  91 // Verify histogram data is recorded when
  92 // LauncherApplicationMenuItemModel::ExecuteCommand is called.
  93 TEST(LauncherApplicationMenuItemModelTest,
  94      VerifyHistogramDataIsRecordedWhenExecuteCommandIsCalled) {
  95   const int kCommandId = 0;
  96   const int kFlags = 0;
  97
  98   ChromeLauncherAppMenuItems menu_items;
  99   TestChromeLauncherAppMenuItem* menu_item =
 100       new TestChromeLauncherAppMenuItem();
 101   menu_item->set_is_enabled(true);
 102   menu_items.push_back(menu_item);
 103
 104   base::HistogramTester histogram_tester;
 105
 106   LauncherApplicationMenuItemModel menu_model(menu_items.Pass());
 107   menu_model.ExecuteCommand(kCommandId, kFlags);
 108
 109   histogram_tester.ExpectTotalCount(kNumItemsEnabledHistogramName, 1);
 110   histogram_tester.ExpectTotalCount(kSelectedMenuItemIndexHistogramName, 1);
 111 }