Upstream Chrome on iOS source code [4/11].

ios/chrome/browser/ui/collection_view/collection_view_controller_test.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef IOS_CHROME_BROWSER_UI_COLLECTION_VIEW_COLLECTION_VIEW_CONTROLLER_TEST_H_
+#define IOS_CHROME_BROWSER_UI_COLLECTION_VIEW_COLLECTION_VIEW_CONTROLLER_TEST_H_
+
+#import <Foundation/Foundation.h>
+
+#include "base/compiler_specific.h"
+#import "base/ios/block_types.h"
+#import "base/mac/scoped_nsobject.h"
+#import "ios/chrome/test/block_cleanup_test.h"
+#import "ios/third_party/material_components_ios/src/components/CollectionCells/src/MaterialCollectionCells.h"
+
+@class CollectionViewController;
+
+class CollectionViewControllerTest : public BlockCleanupTest {
+ public:
+  CollectionViewControllerTest();
+  ~CollectionViewControllerTest() override;
+
+ protected:
+  void TearDown() override;
+
+  // Derived classes allocate their controller here.
+  virtual CollectionViewController* NewController() NS_RETURNS_RETAINED = 0;
+
+  // Tests should call this function to create their controller for testing.
+  void CreateController();
+
+  // Will call CreateController() if |controller_| is nil.
+  CollectionViewController* controller();
+
+  // Deletes the controller.
+  void ResetController();
+
+  // Tests that the controller's view, model, collectionView, and delegate are
+  // valid. Also tests that the model is the collectionView's data source.
+  void CheckController();
+
+  // Returns the number of sections in the collectionView.
+  int NumberOfSections();
+
+  // Returns the number of items in |section|.
+  int NumberOfItemsInSection(int section);
+
+  // Returns the collection view item at |item| in |section|.
+  id GetCollectionViewItem(int section, int item);
+
+  // Verifies that the title matches |expected_title|.
+  void CheckTitle(NSString* expected_title);
+
+  // Verifies that the title matches the l10n string for |expected_title_id|.
+  void CheckTitleWithId(int expected_title_id);
+
+  // Verifies that the section title at |section| matches the |expected_title|.
+  void CheckSectionHeader(NSString* expected_title, int section);
+
+  // Verifies that the section title at |section| matches the l10n string for
+  // |expected_title_id|.
+  void CheckSectionHeaderWithId(int expected_title_id, int section);
+
+  // Verifies that the section footer at |section| matches the |expected_text|.
+  // TODO(crbug.com/650424): Until the bug in MDC is fixed, footers are simple
+  // items in a dedicated section.
+  void CheckSectionFooter(NSString* expected_text, int section);
+
+  // Verifies that the section footer at |section| matches the l10n string for
+  // |expected_text_id|.
+  // TODO(crbug.com/650424): Until the bug in MDC is fixed, footers are simple
+  // items in a dedicated section.
+  void CheckSectionFooterWithId(int expected_text_id, int section);
+
+  // Verifies that the text cell at |item| in |section| has a title which
+  // matches |expected_title|.
+  void CheckTextCellTitle(NSString* expected_title, int section, int item);
+
+  // Verifies that the text cell at |item| in |section| has a title which
+  // matches the l10n string for |expected_title_id|.
+  void CheckTextCellTitleWithId(int expected_title_id, int section, int item);
+
+  // Verifies that the text cell at |item| in |section| has a title and subtitle
+  // which match strings for |expected_title| and |expected_subtitle|,
+  // respectively.
+  void CheckTextCellTitleAndSubtitle(NSString* expected_title,
+                                     NSString* expected_subtitle,
+                                     int section,
+                                     int item);
+
+  // Verifies that the text cell at |item| in |section| has a title and subtitle
+  // which match strings for |expected_title| and |expected_subtitle|,
+  // respectively.
+  void CheckDetailItemTextWithIds(int expected_text_id,
+                                  int expected_detail_text_id,
+                                  int section_id,
+                                  int item_id);
+
+  // Verifies that the switch cell at |item| in |section| has a title which
+  // matches |expected_title| and is currently in |state|.
+  void CheckSwitchCellStateAndTitle(BOOL expected_state,
+                                    NSString* expected_title,
+                                    int section,
+                                    int item);
+
+  // Verifies that the switch cell at |item| in |section| has a title which
+  // matches the l10n string for |expected_title_id| and is currently in
+  // |state|.
+  void CheckSwitchCellStateAndTitleWithId(BOOL expected_state,
+                                          int expected_title_id,
+                                          int section,
+                                          int item);
+
+  // Verifies that the cell at |item| in |section| has the given
+  // |accessory_type|.
+  void CheckAccessoryType(MDCCollectionViewCellAccessoryType accessory_type,
+                          int section,
+                          int item);
+
+  // For |section|, deletes the item at |item|. |completion_block| is called at
+  // the end of the call to -performBatchUpdates:completion:.
+  void DeleteItem(int section, int item, ProceduralBlock completion_block);
+
+ private:
+  base::scoped_nsobject<CollectionViewController> controller_;
+};
+
+#endif  // IOS_CHROME_BROWSER_UI_COLLECTION_VIEW_COLLECTION_VIEW_CONTROLLER_TEST_H_