Suggestions UI - expandable item

ios/chrome/browser/ui/suggestions/suggestions_expandable_item_unittest.mm

+// Copyright 2017 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.
+
+#import "ios/chrome/browser/ui/suggestions/suggestions_expandable_item.h"
+
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_item.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+TEST(SuggestionsExpandableItemTest, CellIsConfigured) {
+  NSString* title = @"testTitle";
+  NSString* subtitle = @"testSubtitle";
+  UIImage* image = [[UIImage alloc] init];
+  NSString* details = @"testDetails";
+  SuggestionsExpandableItem* item =
+      [[SuggestionsExpandableItem alloc] initWithType:0
+                                                title:title
+                                             subtitle:subtitle
+                                                image:image
+                                           detailText:details];
+  SuggestionsExpandableCell* cell = [[[item cellClass] alloc] init];
+  EXPECT_TRUE([cell isMemberOfClass:[SuggestionsExpandableCell class]]);
+
+  [item configureCell:cell];
+  EXPECT_EQ(title, cell.titleLabel.text);
+  EXPECT_EQ(subtitle, cell.subtitleLabel.text);
+  EXPECT_EQ(image, cell.imageView.image);
+  EXPECT_EQ(details, cell.detailLabel.text);
+}
+

[lpromero, 2017/01/13 17:35:48]

Can you add a test for the delegate and the expansion/retraction?

[gambard, 2017/01/16 09:50:39]

Done.

+}  // namespace