[Payments] PR: Basic test for the order summary section.

chrome/browser/ui/views/payments/order_summary_view_controller.cc

 // 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.
 
 #include "chrome/browser/ui/views/payments/order_summary_view_controller.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/ui/views/payments/payment_request_dialog_view.h"
+#include "chrome/browser/ui/views/payments/payment_request_dialog_view_ids.h"
 #include "chrome/browser/ui/views/payments/payment_request_views_util.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/payments/currency_formatter.h"
 #include "components/payments/payment_request.h"
 #include "components/strings/grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/font.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/controls/styled_label.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/view.h"
 
 namespace payments {
 
 namespace {
 
 // Creates a view for a line item to be displayed in the Order Summary Sheet.
 // |label| is the text in the left-aligned label and |amount| is the text of the
 // right-aliged label in the row. The |amount| text is bold if |bold_amount| is
 // true, which is only the case for the last row containing the total of the
-// order.
-std::unique_ptr<views::View> CreateLineItemView(const base::string16& label,
-                                                const base::string16& amount,
-                                                bool bold_amount) {
+// order. Optionally, a |amount_label_id| can be specified to recall the view
+// later, e.g. in tests.
+std::unique_ptr<views::View> CreateLineItemView(
+    const base::string16& label,
+    const base::string16& amount,
+    bool bold_amount,
+    DialogViewID amount_label_id = DialogViewID::VIEW_ID_NONE) {
   std::unique_ptr<views::View> row = base::MakeUnique<views::View>();
 
   row->SetBorder(views::CreateSolidSidedBorder(0, 0, 1, 0, SK_ColorLTGRAY));
 
   views::GridLayout* layout = new views::GridLayout(row.get());
 
   constexpr int kRowVerticalInset = 12;
   layout->SetInsets(kRowVerticalInset, 0, kRowVerticalInset, 0);
 
   row->SetLayoutManager(layout);
   views::ColumnSet* columns = layout->AddColumnSet(0);
   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
                      0, views::GridLayout::USE_PREF, 0, 0);
   columns->AddPaddingColumn(1, 0);
   columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::CENTER,
                      0, views::GridLayout::USE_PREF, 0, 0);
 
   layout->StartRow(0, 0);
   layout->AddView(new views::Label(label));
   views::StyledLabel::RangeStyleInfo style_info;
   if (bold_amount)
     style_info.weight = gfx::Font::Weight::BOLD;
 
   std::unique_ptr<views::StyledLabel> amount_label =
       base::MakeUnique<views::StyledLabel>(amount, nullptr);
+  amount_label->set_id(amount_label_id);
   amount_label->SetDefaultStyle(style_info);
   amount_label->SizeToFit(0);
   layout->AddView(amount_label.release());
 
   return row;
 }
 
 }  // namespace
 
 OrderSummaryViewController::OrderSummaryViewController(
@@ skipping 11 matching lines @@
   layout->set_main_axis_alignment(views::BoxLayout::MAIN_AXIS_ALIGNMENT_START);
   layout->set_cross_axis_alignment(
       views::BoxLayout::CROSS_AXIS_ALIGNMENT_STRETCH);
   content_view->SetLayoutManager(layout);
 
   CurrencyFormatter* formatter = request()->GetOrCreateCurrencyFormatter(
       request()->details()->total->amount->currency,
       request()->details()->total->amount->currency_system,
       g_browser_process->GetApplicationLocale());
 
-  for (const auto& item: request()->details()->display_items) {
+  // Set the ID for the first few line items labels, for testing.
+  const std::vector<DialogViewID> line_items{
+      DialogViewID::ORDER_SUMMARY_LINE_ITEM_1,
+      DialogViewID::ORDER_SUMMARY_LINE_ITEM_2,
+      DialogViewID::ORDER_SUMMARY_LINE_ITEM_3};
+  for (size_t i = 0; i < request()->details()->display_items.size(); i++) {
+    DialogViewID view_id =
+        i < line_items.size() ? line_items[i] : DialogViewID::VIEW_ID_NONE;
     content_view->AddChildView(
-        CreateLineItemView(base::UTF8ToUTF16(item->label),
-                           formatter->Format(item->amount->value),
-                           false).release());
+        CreateLineItemView(
+            base::UTF8ToUTF16(request()->details()->display_items[i]->label),
+            formatter->Format(
+                request()->details()->display_items[i]->amount->value),
+            false, view_id)
+            .release());
   }
 
   base::string16 total_label_value = l10n_util::GetStringFUTF16(
       IDS_PAYMENT_REQUEST_ORDER_SUMMARY_SHEET_TOTAL_FORMAT,
       base::UTF8ToUTF16(request()->details()->total->amount->currency),
       formatter->Format(request()->details()->total->amount->value));
 
   content_view->AddChildView(
       CreateLineItemView(base::UTF8ToUTF16(request()->details()->total->label),
-                         total_label_value,
-                         true).release());
+                         total_label_value, true,
+                         DialogViewID::ORDER_SUMMARY_TOTAL_AMOUNT_LABEL)
+          .release());
 
   return payments::CreatePaymentView(
       CreateSheetHeaderView(
           true,
           l10n_util::GetStringUTF16(IDS_PAYMENT_REQUEST_ORDER_SUMMARY_TITLE),
           this),
       std::move(content_view));
 }
 
 void OrderSummaryViewController::ButtonPressed(
     views::Button* sender, const ui::Event& event) {
   switch (sender->tag()) {
     case static_cast<int>(PaymentRequestCommonTags::CLOSE_BUTTON_TAG):
       dialog()->CloseDialog();
       break;
     case static_cast<int>(PaymentRequestCommonTags::BACK_BUTTON_TAG):
       dialog()->GoBack();
       break;
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace payments