TF-4227 Add integration test on mobile for case display_empty_view_when_open_tag_scenario

integration_test/scenarios/labels/display_empty_view_when_open_tag_scenario.dart

@@ -0,0 +1,97 @@
+import 'package:core/utils/platform_info.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:labels/labels.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/label_robot.dart';
+import '../../robots/thread_robot.dart';
+
+class DisplayEmptyViewWhenOpenTagScenario extends BaseTestScenario
+    with ProvisioningLabelScenarioMixin {
+  const DisplayEmptyViewWhenOpenTagScenario(super.$);
+
+  @override
+  Future<void> setupPreLogin() async {
+    PlatformInfo.isIntegrationTesting = true;
+  }
+
+  @override
+  Future<void> runTestLogic() async {
+    const emailUser = String.fromEnvironment('BASIC_AUTH_EMAIL');
+
+    final threadRobot = ThreadRobot($);
+    final labelRobot = LabelRobot($);
+
+    final labels = await provisionLabelsByDisplayNames(
+      ['Tag with email', 'Tag without email'],
+    );
+    await $.pumpAndSettle();
+
+    int emailCount = 3;
+    final labelWithEmail =
+        labels.firstWhere((label) => label.safeDisplayName == 'Tag with email');
+    final labelWithoutEmail = labels
+        .firstWhere((label) => label.safeDisplayName == 'Tag without email');
+
+    await provisionEmail(
+      buildEmailsForLabel(
+        label: labelWithEmail,
+        toEmail: emailUser,
+        count: emailCount,
+      ),
+      requestReadReceipt: false,
+    );
+    await $.pumpAndSettle(duration: const Duration(seconds: 2));
+
+    await threadRobot.openMailbox();
+    await _expectLabelListViewVisible();
+
+    await labelRobot.openLabelByName(labelWithEmail.safeDisplayName);
+    await _expectEmailListDisplayedCorrectByTag(
+      label: labelWithEmail,
+      emailCount: emailCount,
+    );
+
+    await $.pumpAndSettle(duration: const Duration(seconds: 1));
+
+    await threadRobot.openMailbox();
+    await _expectLabelListViewVisible();
+
+    await labelRobot.openLabelByName(labelWithoutEmail.safeDisplayName);
+    await _expectEmptyViewVisible();
+  }
+
+  Future<void> _expectLabelListViewVisible() =>
+      expectViewVisible($(LabelListView));
+
+  Future<void> _expectEmailListDisplayedCorrectByTag({
+    required Label label,
+    required int emailCount,
+  }) async {
+    final tagDisplayName = label.safeDisplayName;
+
+    final listEmailTileWithTag = $.tester.widgetList<EmailTileBuilder>(
+      $(EmailTileBuilder).which<EmailTileBuilder>((widget) =>
+          widget.presentationEmail.subject?.contains(tagDisplayName) == true),
+    );
+
+    expect(listEmailTileWithTag.length, greaterThanOrEqualTo(emailCount));
+  }
+
+  Future<void> _expectEmptyViewVisible() async {
+    await expectViewVisible($(#empty_thread_view));
+
+    await expectViewVisible(
+      $(find.text(AppLocalizations().youDoNotHaveAnyEmailTaggedWithThis)),
+    );
+  }
+
+  @override
+  Future<void> disposeAfterTest() async {
+    PlatformInfo.isIntegrationTesting = false;
+  }
+}

integration_test/tests/labels/display_empty_view_when_open_tag_test.dart

@@ -0,0 +1,9 @@
+import '../../base/test_base.dart';
+import '../../scenarios/labels/display_empty_view_when_open_tag_scenario.dart';
+
+void main() {
+  TestBase().runPatrolTest(
+    description: 'Should display empty view when open tag with no email',
+    scenarioBuilder: ($) => DisplayEmptyViewWhenOpenTagScenario($),
+  );
+}