EarlGrey tests for Payment Request (base CL)

ios/chrome/browser/payments/payment_items_display_view_controller.mm

 // 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.
 
 #import "ios/chrome/browser/payments/payment_items_display_view_controller.h"
 
 #import "base/ios/weak_nsobject.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "components/autofill/core/browser/credit_card.h"
+#include "components/strings/grit/components_strings.h"
 #import "ios/chrome/browser/payments/payment_request_utils.h"
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_detail_item.h"
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_item.h"
 #import "ios/chrome/browser/ui/collection_view/collection_view_model.h"
 #import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
 #import "ios/chrome/browser/ui/icons/chrome_icon.h"
 #include "ios/chrome/browser/ui/rtl_geometry.h"
 #include "ios/chrome/grit/ios_strings.h"
 #import "ios/third_party/material_components_ios/src/components/Buttons/src/MaterialButtons.h"
 #import "ios/third_party/material_roboto_font_loader_ios/src/src/MaterialRobotoFontLoader.h"
 #include "ui/base/l10n/l10n_util.h"
 
 NSString* const kPaymentItemsDisplayCollectionViewId =
     @"kPaymentItemsDisplayCollectionViewId";
+NSString* const kPaymentItemsDisplayItemId = @"kPaymentItemsDisplayItemId";
 
 namespace {
 
 const CGFloat kButtonEdgeInset = 9;
 const CGFloat kSeparatorEdgeInset = 14;
 
 typedef NS_ENUM(NSInteger, SectionIdentifier) {
   SectionIdentifierPayment = kSectionIdentifierEnumZero,
 };
 
@@ skipping 25 matching lines @@
 - (instancetype)initWithPayButtonEnabled:(BOOL)payButtonEnabled {
   if ((self = [super initWithStyle:CollectionViewControllerStyleAppBar])) {
     [self setTitle:l10n_util::GetNSString(
                        IDS_IOS_PAYMENT_REQUEST_PAYMENT_ITEMS_TITLE)];
 
     // Set up left (return) button.
     UIBarButtonItem* returnButton =
         [ChromeIcon templateBarButtonItemWithImage:[ChromeIcon backIcon]
                                             target:nil
                                             action:@selector(onReturn)];
+    [returnButton
+        setAccessibilityLabel:l10n_util::GetNSString(IDS_ACCNAME_BACK)];
     [self navigationItem].leftBarButtonItem = returnButton;
 
     // Set up right (pay) button.
     _payButton.reset([[MDCFlatButton alloc] init]);
     [_payButton
         setTitle:l10n_util::GetNSString(IDS_IOS_PAYMENT_REQUEST_PAY_BUTTON)
         forState:UIControlStateNormal];
     [_payButton setBackgroundColor:[[MDCPalette cr_bluePalette] tint500]
                           forState:UIControlStateNormal];
     [_payButton setInkColor:[UIColor colorWithWhite:1 alpha:0.2]];
@@ skipping 52 matching lines @@
 #pragma mark - CollectionViewController methods
 
 - (void)loadModel {
   [super loadModel];
   CollectionViewModel* model = self.collectionViewModel;
   [model addSectionWithIdentifier:SectionIdentifierPayment];
 
   // Add the total entry.
   CollectionViewDetailItem* totalItem = [[[CollectionViewDetailItem alloc]
       initWithType:ItemTypePaymentItemTotal] autorelease];
+  totalItem.accessibilityIdentifier = kPaymentItemsDisplayItemId;
   totalItem.text = base::SysUTF16ToNSString(_total.label);
 
   NSString* currencyCode = base::SysUTF16ToNSString(_total.amount.currency);
   NSDecimalNumber* value = [NSDecimalNumber
       decimalNumberWithString:SysUTF16ToNSString(_total.amount.value)];
   totalItem.detailText =
       payment_request_utils::FormattedCurrencyString(value, currencyCode);
 
   [model addItem:totalItem toSectionWithIdentifier:SectionIdentifierPayment];
 
   // Add the line item entries.
   for (size_t i = 0; i < _paymentItems.size(); ++i) {
     web::PaymentItem paymentItem = _paymentItems[i];
     CollectionViewDetailItem* paymentItemItem =
         [[[CollectionViewDetailItem alloc] initWithType:ItemTypePaymentItem]
             autorelease];
+    paymentItemItem.accessibilityIdentifier = kPaymentItemsDisplayItemId;
     paymentItemItem.text = base::SysUTF16ToNSString(paymentItem.label);
 
     NSString* currencyCode =
         base::SysUTF16ToNSString(paymentItem.amount.currency);
     NSDecimalNumber* value = [NSDecimalNumber
         decimalNumberWithString:SysUTF16ToNSString(paymentItem.amount.value)];
     paymentItemItem.detailText =
         payment_request_utils::FormattedCurrencyString(value, currencyCode);
     [model addItem:paymentItemItem
         toSectionWithIdentifier:SectionIdentifierPayment];
@@ skipping 52 matching lines @@
 #pragma mark MDCCollectionViewStylingDelegate
 
 // There are no effects from touching the payment items so there should not be
 // an ink ripple.
 - (BOOL)collectionView:(UICollectionView*)collectionView
     hidesInkViewAtIndexPath:(NSIndexPath*)indexPath {
   return YES;
 }
 
 @end