[ios] Add EG test for translate pages settings UI

Bug: 1131052
Change-Id: I62f8a29ba1fdaefb5912ebad8a9512546f61c371
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2443692Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: Mike Dougherty <michaeldo@chromium.org>
Commit-Queue: Tina Wang <tinazwang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814747}

ios/chrome/browser/policy/BUILD.gn

@@ -182,6 +182,7 @@ source_set("eg2_tests") {
     "//ios/chrome/browser/ui/settings:constants",
     "//ios/chrome/browser/ui/settings/autofill:constants",
     "//ios/chrome/browser/ui/settings/elements:constants",
+    "//ios/chrome/browser/ui/settings/language:language_ui_constants",
     "//ios/chrome/browser/ui/settings/password:password_constants",
     "//ios/chrome/browser/ui/table_view/cells:cells_constants",
     "//ios/chrome/test/earl_grey:eg_test_support+eg2",

ios/chrome/browser/policy/policy_egtest.mm

@@ -17,6 +17,7 @@
 #import "ios/chrome/browser/ui/popup_menu/popup_menu_constants.h"
 #import "ios/chrome/browser/ui/settings/autofill/autofill_constants.h"
 #import "ios/chrome/browser/ui/settings/elements/elements_constants.h"
+#import "ios/chrome/browser/ui/settings/language/language_settings_ui_constants.h"
 #import "ios/chrome/browser/ui/settings/password/passwords_table_view_constants.h"
 #import "ios/chrome/browser/ui/settings/settings_table_view_controller_constants.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_cells_constants.h"
@@ -208,7 +209,7 @@ void VerifyManagedSettingItem(NSString* accessibilityID,
   GREYAssertFalse(
       [ChromeEarlGrey userBooleanPref:autofill::prefs::kAutofillProfileEnabled],
       @"Preference was unexpectedly true");
-  // Open settings menu and tap Address and More settings.
+  // Open settings menu and tap Address and More setting.
   [ChromeEarlGreyUI openSettingsMenu];
   [ChromeEarlGreyUI
       tapSettingsMenuButton:chrome_test_util::AddressesAndMoreButton()];
@@ -225,7 +226,7 @@ void VerifyManagedSettingItem(NSString* accessibilityID,
       [ChromeEarlGrey
           userBooleanPref:autofill::prefs::kAutofillCreditCardEnabled],
       @"Preference was unexpectedly true");
-  // Open settings menu and tap Payment Method settings.
+  // Open settings menu and tap Payment Method setting.
   [ChromeEarlGreyUI openSettingsMenu];
   [ChromeEarlGreyUI
       tapSettingsMenuButton:chrome_test_util::PaymentMethodsButton()];
@@ -349,6 +350,18 @@ void VerifyManagedSettingItem(NSString* accessibilityID,
                            @"block_popups_settings_view_controller");
 }
 
+- (void)testTranslateEnabledSettingsUI {
+  // Disable TranslateEnabled policy.
+  SetPolicy(false, policy::key::kTranslateEnabled);
+
+  // Open settings menu and tap Languages setting.
+  [ChromeEarlGreyUI openSettingsMenu];
+  [ChromeEarlGreyUI tapSettingsMenuButton:chrome_test_util::LanguagesButton()];
+
+  VerifyManagedSettingItem(kTranslateManagedAccessibilityIdentifier,
+                           kLanguageSettingsTableViewAccessibilityIdentifier);
+}
+
 // Test whether the managed item will be shown if a policy is set.
 - (void)testPopupMenuItem {
   // Setup a machine level policy.

ios/chrome/test/earl_grey/chrome_matchers.h

@@ -188,6 +188,9 @@ id<GREYMatcher> AddressesAndMoreButton();
 // Returns matcher for the "Payment Methods" button in the settings menu.
 id<GREYMatcher> PaymentMethodsButton();
 
+// Returns matcher for the "Languages" button in the settings menu.
+id<GREYMatcher> LanguagesButton();
+
 // Returns matcher for the "Add Credit Card" view in the Settings menu.
 id<GREYMatcher> AddCreditCardView();
 

ios/chrome/test/earl_grey/chrome_matchers.mm

@@ -239,6 +239,10 @@ id<GREYMatcher> PaymentMethodsButton() {
   return [ChromeMatchersAppInterface paymentMethodsButton];
 }
 
+id<GREYMatcher> LanguagesButton() {
+  return [ChromeMatchersAppInterface languagesButton];
+}
+
 id<GREYMatcher> AddCreditCardView() {
   return [ChromeMatchersAppInterface addCreditCardView];
 }

ios/chrome/test/earl_grey/chrome_matchers_app_interface.h

@@ -192,6 +192,9 @@
 // Returns matcher for the "Payment Methods" button in the settings menu.
 + (id<GREYMatcher>)paymentMethodsButton;
 
+// Returns matcher for the "Languages" button in the settings menu.
++ (id<GREYMatcher>)languagesButton;
+
 // Returns matcher for the "Add Credit Card" view in the Settings menu.
 + (id<GREYMatcher>)addCreditCardView;
 

ios/chrome/test/earl_grey/chrome_matchers_app_interface.mm

@@ -476,6 +476,10 @@ UIView* SubviewWithAccessibilityIdentifier(NSString* accessibility_id,
       buttonWithAccessibilityLabelID:(IDS_AUTOFILL_PAYMENT_METHODS)];
 }
 
++ (id<GREYMatcher>)languagesButton {
+  return grey_accessibilityID(kSettingsLanguagesCellId);
+}
+
 + (id<GREYMatcher>)addCreditCardView {
   return grey_accessibilityID(kAddCreditCardViewID);
 }