ui/app_list/cocoa/app_list_view_controller_unittest.mm

   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 "base/mac/scoped_nsobject.h"
   6 #import "testing/gtest_mac.h"
   7 #import "ui/app_list/cocoa/app_list_view_controller.h"
   8 #import "ui/app_list/cocoa/apps_grid_controller.h"
   9 #import "ui/app_list/cocoa/test/apps_grid_controller_test_helper.h"
  10 #include "ui/app_list/test/app_list_test_model.h"
  11 #include "ui/app_list/test/app_list_test_view_delegate.h"
  12
  13 namespace app_list {
  14 namespace test {
  15
  16 class AppListViewControllerTest : public AppsGridControllerTestHelper {
  17  public:
  18   AppListViewControllerTest() {}
  19
  20   void SetUp() override {
  21     app_list_view_controller_.reset([[AppListViewController alloc] init]);
  22     delegate_.reset(new AppListTestViewDelegate);
  23     [app_list_view_controller_ setDelegate:delegate_.get()];
  24     SetUpWithGridController([app_list_view_controller_ appsGridController]);
  25     [[test_window() contentView] addSubview:[app_list_view_controller_ view]];
  26   }
  27
  28   void TearDown() override {
  29     [app_list_view_controller_ setDelegate:NULL];
  30     app_list_view_controller_.reset();
  31     AppsGridControllerTestHelper::TearDown();
  32   }
  33
  34   void ReplaceTestModel(int item_count) {
  35     [app_list_view_controller_ setDelegate:NULL];
  36     delegate_.reset(new AppListTestViewDelegate);
  37     delegate_->ReplaceTestModel(item_count);
  38     [app_list_view_controller_ setDelegate:delegate_.get()];
  39   }
  40
  41   AppListTestModel* model() { return delegate_->GetTestModel(); }
  42
  43  protected:
  44   scoped_ptr<AppListTestViewDelegate> delegate_;
  45   base::scoped_nsobject<AppListViewController> app_list_view_controller_;
  46
  47  private:
  48   DISALLOW_COPY_AND_ASSIGN(AppListViewControllerTest);
  49 };
  50
  51 TEST_VIEW(AppListViewControllerTest, [app_list_view_controller_ view]);
  52
  53 // Test that adding and removing pages updates the pager.
  54 TEST_F(AppListViewControllerTest, PagerSegmentCounts) {
  55   NSSegmentedControl* pager = [app_list_view_controller_ pagerControl];
  56   EXPECT_EQ(1, [pager segmentCount]);
  57
  58   ReplaceTestModel(kItemsPerPage * 2);
  59   EXPECT_EQ(2, [pager segmentCount]);
  60   model()->PopulateApps(1);
  61   EXPECT_EQ(3, [pager segmentCount]);
  62
  63   ReplaceTestModel(1);
  64   EXPECT_EQ(1, [pager segmentCount]);
  65 }
  66
  67 // Test that clicking the pager changes pages.
  68 TEST_F(AppListViewControllerTest, PagerChangingPage) {
  69   NSSegmentedControl* pager = [app_list_view_controller_ pagerControl];
  70   ReplaceTestModel(kItemsPerPage * 3);
  71   EXPECT_EQ(3, [pager segmentCount]);
  72
  73   EXPECT_EQ(0, [pager selectedSegment]);
  74   EXPECT_EQ(0u, [apps_grid_controller_ visiblePage]);
  75   EXPECT_EQ(1.0, [apps_grid_controller_ visiblePortionOfPage:0]);
  76   EXPECT_EQ(0.0, [apps_grid_controller_ visiblePortionOfPage:1]);
  77
  78   // Emulate a click on the second segment to navigate to the second page.
  79   [pager setSelectedSegment:1];
  80   [[pager target] performSelector:[pager action]
  81                        withObject:pager];
  82
  83   EXPECT_EQ(1u, [apps_grid_controller_ visiblePage]);
  84   EXPECT_EQ(1, [pager selectedSegment]);
  85   EXPECT_EQ(0.0, [apps_grid_controller_ visiblePortionOfPage:0]);
  86   EXPECT_EQ(1.0, [apps_grid_controller_ visiblePortionOfPage:1]);
  87
  88   // Replace with a single page model, and ensure we go back to the first page.
  89   ReplaceTestModel(1);
  90   EXPECT_EQ(0u, [apps_grid_controller_ visiblePage]);
  91   EXPECT_EQ(0, [pager selectedSegment]);
  92   EXPECT_EQ(1, [pager segmentCount]);
  93   EXPECT_EQ(1.0, [apps_grid_controller_ visiblePortionOfPage:0]);
  94 }
  95
  96 }  // namespace test
  97 }  // namespace app_list