TF-4236 Add integration test on mobile for case remove_a_label_from_email_scenario

integration_test/robots/email_robot.dart

@@ -1,8 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:tmail_ui_user/features/base/widget/labels/tag_widget.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/attachment_item_widget.dart';
+import 'package:tmail_ui_user/features/email/presentation/widgets/email_subject_widget.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/email_view_back_button.dart';
 import 'package:tmail_ui_user/features/email/presentation/widgets/information_sender_and_receiver_builder.dart';
+import 'package:tmail_ui_user/features/labels/presentation/widgets/label_widget.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
 
 import '../base/core_robot.dart';
@@ -83,4 +86,8 @@ class EmailRobot extends CoreRobot {
   Future<void> onTapAttachmentItem() async {
     await $(AttachmentItemWidget).$(InkWell).tap();
   }
+
+  Future<void> tapRemoveLabelButton(String labelDisplayName) async {
+    await $(EmailSubjectWidget).$(LabelWidget).$(TagWidget).$(InkWell).tap();
+  }
 }

integration_test/robots/thread_robot.dart

@@ -1,6 +1,7 @@
 import 'package:core/presentation/views/search/search_bar_view.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:labels/extensions/label_extension.dart';
 import 'package:tmail_ui_user/features/base/widget/compose_floating_button.dart';
 import 'package:tmail_ui_user/features/thread/presentation/thread_view.dart';
 import 'package:tmail_ui_user/features/thread/presentation/widgets/email_tile_builder.dart';
@@ -32,6 +33,17 @@ class ThreadRobot extends CoreRobot {
     await $.pump(const Duration(seconds: 2));
   }
 
+  Future<void> openEmailWithLabel(String labelDisplayName) async {
+    final email = $(EmailTileBuilder).which<EmailTileBuilder>(
+      (view) =>
+          view.labels
+              ?.any((label) => label.safeDisplayName == labelDisplayName) ==
+          true,
+    );
+    await $.waitUntilVisible(email);
+    await email.tap();
+  }
+
   Future<void> openMailbox() async {
     await $(#mobile_mailbox_menu_button).tap();
   }

integration_test/scenarios/labels/remove_a_label_from_email_scenario.dart

@@ -0,0 +1,93 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:labels/labels.dart';
+import 'package:tmail_ui_user/features/email/presentation/widgets/email_subject_widget.dart';
+import 'package:tmail_ui_user/features/labels/presentation/widgets/label_widget.dart';
+import 'package:tmail_ui_user/features/mailbox/presentation/widgets/labels/label_list_view.dart';
+import 'package:tmail_ui_user/features/thread/presentation/widgets/email_tile_builder.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+
+import '../../base/base_test_scenario.dart';
+import '../../mixin/provisioning_label_scenario_mixin.dart';
+import '../../robots/email_robot.dart';
+import '../../robots/label_robot.dart';
+import '../../robots/thread_robot.dart';
+
+class RemoveALabelFromEmailScenario extends BaseTestScenario
+    with ProvisioningLabelScenarioMixin {
+  const RemoveALabelFromEmailScenario(super.$);
+
+  @override
+  Future<void> runTestLogic() async {
+    const emailUser = String.fromEnvironment('BASIC_AUTH_EMAIL');
+
+    final threadRobot = ThreadRobot($);
+    final emailRobot = EmailRobot($);
+    final labelRobot = LabelRobot($);
+
+    final labels = await provisionLabelsByDisplayNames(
+      ['Remove Tag 1'],
+    );
+    await $.pumpAndSettle();
+
+    final firstLabel = labels.first;
+    final labelDisplayName = firstLabel.safeDisplayName;
+    await provisionEmail(
+      buildEmailsForLabel(
+        label: firstLabel,
+        toEmail: emailUser,
+        count: 1,
+      ),
+      requestReadReceipt: false,
+    );
+    await $.pumpAndSettle(duration: const Duration(seconds: 2));
+
+    await threadRobot.openMailbox();
+    await _expectLabelListViewVisible();
+
+    await labelRobot.openLabelByName(labelDisplayName);
+    await _expectEmailListDisplayedCorrectByTag(labelDisplayName);
+
+    await threadRobot.openEmailWithLabel(labelDisplayName);
+    await $.pumpAndSettle(duration: const Duration(seconds: 1));
+    await _expectLabelDisplayedOnEmailSubject(labelDisplayName);
+
+    await emailRobot.tapRemoveLabelButton(labelDisplayName);
+    await _expectRemoveLabelFromEmailSuccessToast(labelDisplayName);
+  }
+
+  Future<void> _expectLabelListViewVisible() =>
+      expectViewVisible($(LabelListView));
+
+  Future<void> _expectEmailListDisplayedCorrectByTag(
+    String labelDisplayName,
+  ) async {
+    final listEmailTileWithTag = $.tester.widgetList<EmailTileBuilder>(
+      $(EmailTileBuilder).which<EmailTileBuilder>((widget) =>
+          widget.presentationEmail.subject?.contains(labelDisplayName) == true),
+    );
+
+    expect(listEmailTileWithTag.length, greaterThanOrEqualTo(1));
+  }
+
+  Future<void> _expectLabelDisplayedOnEmailSubject(
+    String labelDisplayName,
+  ) async {
+    expect(
+      $(EmailSubjectWidget)
+          .$(LabelWidget)
+          .which<LabelWidget>(
+              (widget) => widget.label.safeDisplayName == labelDisplayName)
+          .visible,
+      true,
+    );
+  }
+
+  Future<void> _expectRemoveLabelFromEmailSuccessToast(
+    String labelDisplayName,
+  ) async {
+    await expectViewVisible(
+      $(find.text(AppLocalizations()
+          .removeLabelFromEmailSuccessfullyMessage(labelDisplayName))),
+    );
+  }
+}

integration_test/tests/labels/remove_a_label_from_email_test.dart

@@ -0,0 +1,10 @@
+import '../../base/test_base.dart';
+import '../../scenarios/labels/remove_a_label_from_email_scenario.dart';
+
+void main() {
+  TestBase().runPatrolTest(
+    description:
+        'Should remove tag on email subject when click click on the cross on a tag in the opened mail',
+    scenarioBuilder: ($) => RemoveALabelFromEmailScenario($),
+  );
+}