TF-4404 Fix missing subject when perform Mail to attendees action in event email

2026-03-25 10:30:50 +07:00
parent 93c96a2b83
commit 6a245f228a
7 changed files with 245 additions and 33 deletions
@@ -0,0 +1,189 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tmail_ui_user/features/email/presentation/utils/email_utils.dart';
+
+void main() {
+  group('EmailUtils::applyPrefix', () {
+    group('Reply prefix', () {
+      test('should add Re: prefix when subject has no prefix', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 'Hello',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+          ),
+          equals('Re: Hello'),
+        );
+      });
+
+      test('should not add Re: prefix when subject already has Re:', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 'Re: Hello',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+          ),
+          equals('Re: Hello'),
+        );
+      });
+
+      test('should not add prefix when subject has Re: case-insensitively', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 'RE: Hello',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+          ),
+          equals('RE: Hello'),
+        );
+      });
+
+      test('should not add prefix when subject has re: lowercase', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 're: Hello',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+          ),
+          equals('re: Hello'),
+        );
+      });
+    });
+
+    group('Forward prefix', () {
+      test('should add Fwd: prefix when subject has no prefix', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 'Hello',
+            defaultPrefix: EmailUtils.defaultForwardPrefix,
+          ),
+          equals('Fwd: Hello'),
+        );
+      });
+
+      test('should not add Fwd: prefix when subject already has Fwd:', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 'Fwd: Hello',
+            defaultPrefix: EmailUtils.defaultForwardPrefix,
+          ),
+          equals('Fwd: Hello'),
+        );
+      });
+
+      test('should not add prefix when subject has FWD: uppercase', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 'FWD: Hello',
+            defaultPrefix: EmailUtils.defaultForwardPrefix,
+          ),
+          equals('FWD: Hello'),
+        );
+      });
+    });
+
+    group('Localized prefix', () {
+      test('should use localized prefix when provided', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 'Hello',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+            localizedPrefix: 'Rép:',
+          ),
+          equals('Rép: Hello'),
+        );
+      });
+
+      test(
+        'should not add prefix when subject already has localized prefix',
+        () {
+          expect(
+            EmailUtils.applyPrefix(
+              subject: 'Rép: Hello',
+              defaultPrefix: EmailUtils.defaultReplyPrefix,
+              localizedPrefix: 'Rép:',
+            ),
+            equals('Rép: Hello'),
+          );
+        },
+      );
+
+      test(
+        'should not add prefix when subject has localized prefix '
+        'case-insensitively',
+        () {
+          expect(
+            EmailUtils.applyPrefix(
+              subject: 'rép: Hello',
+              defaultPrefix: EmailUtils.defaultReplyPrefix,
+              localizedPrefix: 'Rép:',
+            ),
+            equals('rép: Hello'),
+          );
+        },
+      );
+
+      test(
+        'should not add prefix when subject has default prefix '
+        'even with localized prefix provided',
+        () {
+          expect(
+            EmailUtils.applyPrefix(
+              subject: 'Re: Hello',
+              defaultPrefix: EmailUtils.defaultReplyPrefix,
+              localizedPrefix: 'Rép:',
+            ),
+            equals('Re: Hello'),
+          );
+        },
+      );
+    });
+
+    group('Edge cases', () {
+      test('should handle empty subject', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: '',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+          ),
+          equals('Re: '),
+        );
+      });
+
+      test('should handle subject with only spaces', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: '   ',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+          ),
+          equals('Re:    '),
+        );
+      });
+
+      test('should preserve original subject when prefix already exists', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 'Re:   Hello  ',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+          ),
+          equals('Re:   Hello  '),
+        );
+      });
+
+      test('should handle subject that contains prefix in middle', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: 'Hello Re: World',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+          ),
+          equals('Re: Hello Re: World'),
+        );
+      });
+
+      test('should handle subject with leading spaces before prefix', () {
+        expect(
+          EmailUtils.applyPrefix(
+            subject: '  Re: Hello',
+            defaultPrefix: EmailUtils.defaultReplyPrefix,
+          ),
+          equals('  Re: Hello'),
+        );
+      });
+    });
+  });
+}