Experiment to add bank name in autofill ui.

components/autofill/core/browser/personal_data_manager_unittest.cc

 // Copyright 2013 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 "components/autofill/core/browser/personal_data_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <list>
 #include <map>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/guid.h"
 #include "base/i18n/time_formatting.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/histogram_tester.h"
+#include "base/test/scoped_feature_list.h"
 #include "base/test/simple_test_clock.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "components/autofill/core/browser/autofill_experiments.h"
 #include "components/autofill/core/browser/autofill_metrics.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/autofill_test_utils.h"
 #include "components/autofill/core/browser/field_types.h"
 #include "components/autofill/core/browser/form_structure.h"
@@ skipping 3591 matching lines @@
                           "2999", "1");
   server_cards.back().SetNetworkForMaskedCard(kVisaCard);
 
   test::SetServerCreditCards(autofill_table_, server_cards);
   personal_data_->Refresh();
   EXPECT_CALL(personal_data_observer_, OnPersonalDataChanged())
       .WillOnce(QuitMainMessageLoop());
   base::RunLoop().Run();
 
   std::vector<Suggestion> suggestions =
-      personal_data_->GetCreditCardSuggestions(AutofillType(CREDIT_CARD_NUMBER),
-                                               base::ASCIIToUTF16("12345678"));
+      personal_data_->GetCreditCardSuggestions(
+          AutofillType(CREDIT_CARD_NUMBER), base::ASCIIToUTF16("12345678"));
 
   // There should be no suggestions.
   ASSERT_EQ(0U, suggestions.size());
 }
 
 // Test that local credit cards are ordered as expected.
 TEST_F(PersonalDataManagerTest, GetCreditCardSuggestions_LocalCardsRanking) {
   SetupReferenceLocalCreditCards();
 
   // Sublabel is card number when filling name (exact format depends on
@@ skipping 266 matching lines @@
   EXPECT_CALL(personal_data_observer_, OnPersonalDataChanged())
       .WillOnce(QuitMainMessageLoop());
   base::RunLoop().Run();
 
   suggestions = personal_data_->GetCreditCardSuggestions(
       AutofillType(CREDIT_CARD_NAME_FULL),
       /* field_contents= */ base::string16());
   ASSERT_EQ(3U, suggestions.size());
 }
 
+// Tests that server cards have bank name when feature flag on.
+TEST_F(PersonalDataManagerTest,
+       GetCreditCardSuggestions_ShowBankNameOfServerCards) {
+  // Turn on feature flag.
+  base::test::ScopedFeatureList scoped_feature_list_;
+  scoped_feature_list_.InitAndEnableFeature(kAutofillCreditCardBankNameDisplay);
+
+  EnableWalletCardImport();
+  SetupReferenceLocalCreditCards();
+
+  // Add some server cards.
+  std::vector<CreditCard> server_cards;
+  server_cards.push_back(CreditCard(CreditCard::MASKED_SERVER_CARD, "b459"));
+  test::SetCreditCardInfo(&server_cards.back(), "Emmet Dalton", "2110", "12",
+                          "2999", "1");
+  server_cards.back().set_use_count(2);
+  server_cards.back().set_use_date(AutofillClock::Now() -
+                                   base::TimeDelta::FromDays(1));
+  server_cards.back().SetNetworkForMaskedCard(kVisaCard);
+  server_cards.back().set_bank_name("Chase");
+
+  test::SetServerCreditCards(autofill_table_, server_cards);
+  personal_data_->Refresh();
+  EXPECT_CALL(personal_data_observer_, OnPersonalDataChanged())
+      .WillOnce(QuitMainMessageLoop());
+  base::RunLoop().Run();
+
+  std::vector<Suggestion> suggestions =
+      personal_data_->GetCreditCardSuggestions(
+          AutofillType(CREDIT_CARD_NUMBER),
+          /* field_contents= */ base::string16());
+  ASSERT_EQ(4U, suggestions.size());
+
+  // All cards should be ordered as expected.

[sebsg, 2017/06/13 13:36:04]

Can you put emphasis on the bank name? Like the first one shows network because
it has no bank name. But the two others show the bank name.

[Shanfeng, 2017/06/13 20:39:58]

Done.

+  EXPECT_EQ(
+      base::UTF8ToUTF16(std::string("Visa") + kUTF8MidlineEllipsis + "9012"),
+      suggestions[0].value);
+  EXPECT_EQ(
+      base::UTF8ToUTF16(std::string("Amex") + kUTF8MidlineEllipsis + "8555"),
+      suggestions[1].value);
+  EXPECT_EQ(
+      base::UTF8ToUTF16(std::string("Chase") + kUTF8MidlineEllipsis + "2110"),
+      suggestions[2].value);
+  EXPECT_EQ(base::UTF8ToUTF16(std::string("Mastercard") + kUTF8MidlineEllipsis +
+                              "2109"),
+            suggestions[3].value);
+}
+
+// Tests that will show network if no bank name,
+TEST_F(PersonalDataManagerTest,
+       GetCreditCardSuggestions_ShowNetworkIfNoBankName) {
+  // Turn on feature flag.
+  base::test::ScopedFeatureList scoped_feature_list_;
+  scoped_feature_list_.InitAndEnableFeature(kAutofillCreditCardBankNameDisplay);
+
+  EnableWalletCardImport();
+  SetupReferenceLocalCreditCards();
+
+  // Add some server cards.
+  std::vector<CreditCard> server_cards;
+  server_cards.push_back(CreditCard(CreditCard::MASKED_SERVER_CARD, "b459"));
+  test::SetCreditCardInfo(&server_cards.back(), "Emmet Dalton", "2110", "12",
+                          "2999", "1");
+  server_cards.back().set_use_count(2);
+  server_cards.back().set_use_date(AutofillClock::Now() -
+                                   base::TimeDelta::FromDays(1));
+  server_cards.back().SetNetworkForMaskedCard(kVisaCard);
+
+  test::SetServerCreditCards(autofill_table_, server_cards);
+  personal_data_->Refresh();
+  EXPECT_CALL(personal_data_observer_, OnPersonalDataChanged())
+      .WillOnce(QuitMainMessageLoop());
+  base::RunLoop().Run();
+
+  std::vector<Suggestion> suggestions =
+      personal_data_->GetCreditCardSuggestions(
+          AutofillType(CREDIT_CARD_NUMBER),
+          /* field_contents= */ base::string16());
+  ASSERT_EQ(4U, suggestions.size());
+
+  // All cards should be ordered as expected.
+  EXPECT_EQ(
+      base::UTF8ToUTF16(std::string("Visa") + kUTF8MidlineEllipsis + "9012"),

[sebsg, 2017/06/13 13:36:04]

The test above already tests this right? If you change the comment of the test
above I think you can remove this test.

[Shanfeng, 2017/06/13 20:39:58]

Done.

+      suggestions[0].value);
+  EXPECT_EQ(
+      base::UTF8ToUTF16(std::string("Amex") + kUTF8MidlineEllipsis + "8555"),
+      suggestions[1].value);
+  EXPECT_EQ(
+      base::UTF8ToUTF16(std::string("Visa") + kUTF8MidlineEllipsis + "2110"),
+      suggestions[2].value);
+  EXPECT_EQ(base::UTF8ToUTF16(std::string("Mastercard") + kUTF8MidlineEllipsis +
+                              "2109"),
+            suggestions[3].value);
+}
+
 // Tests that only the full server card is kept when deduping with a local
 // duplicate of it.
 TEST_F(PersonalDataManagerTest,
        DedupeCreditCardToSuggest_FullServerShadowsLocal) {
   std::list<CreditCard*> credit_cards;
 
   // Create 3 different local credit cards.
   CreditCard local_card("287151C8-6AB1-487C-9095-28E80BE5DA15",
                         "https://www.example.com");
   test::SetCreditCardInfo(&local_card, "Homer Simpson",
@@ skipping 2566 matching lines @@
       EXPECT_EQ("", card->billing_address_id());
     } else {
       // The billing address of local_card1 and server_card1 should still refer
       // to profile1.
       EXPECT_EQ(profile1.guid(), card->billing_address_id());
     }
   }
 }
 
 }  // namespace autofill