TF-4195 Implement add a Label to an email

2025-12-12 02:39:59 +07:00
parent 0d247b30d7
commit 78de7de3a6
18 changed files with 528 additions and 22 deletions
@@ -0,0 +1,109 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jmap_dart_client/jmap/mail/email/keyword_identifier.dart';
+import 'package:tmail_ui_user/features/thread/data/extensions/map_keywords_extension.dart';
+
+void main() {
+  group('MapKeywordsExtension - withKeyword()', () {
+    test('adds keyword to empty map', () {
+      final map = <KeyWordIdentifier, bool>{};
+      final keyword = KeyWordIdentifier("\$seen");
+
+      final result = map.withKeyword(keyword);
+
+      expect(result.length, 1);
+      expect(result[keyword], true);
+
+      // Ensure original map unchanged
+      expect(map.containsKey(keyword), false);
+    });
+
+    test('adds keyword to non-empty map', () {
+      final map = {
+        KeyWordIdentifier("\$flagged"): true,
+      };
+      final keyword = KeyWordIdentifier("\$seen");
+
+      final result = map.withKeyword(keyword);
+
+      expect(result.length, 2);
+      expect(result[keyword], true);
+    });
+
+    test('overwrites existing keyword value to true', () {
+      final keyword = KeyWordIdentifier("\$seen");
+
+      final map = {
+        keyword: false,
+      };
+
+      final result = map.withKeyword(keyword);
+
+      expect(result.length, 1);
+      expect(result[keyword], true);
+      expect(map[keyword], false); // original map not mutated
+    });
+
+    test('does not mutate original map', () {
+      final map = {
+        KeyWordIdentifier("\$flagged"): false,
+      };
+      final keyword = KeyWordIdentifier("\$flagged");
+
+      final result = map.withKeyword(keyword);
+
+      expect(result[keyword], true);
+      expect(map[keyword], false);
+    });
+  });
+
+  group('MapKeywordsExtension - withoutKeyword()', () {
+    test('removes existing keyword', () {
+      final keyword = KeyWordIdentifier("\$seen");
+
+      final map = {
+        keyword: true,
+        KeyWordIdentifier("\$flagged"): false,
+      };
+
+      final result = map.withoutKeyword(keyword);
+
+      expect(result.containsKey(keyword), false);
+      expect(result.length, 1);
+    });
+
+    test('removing non-existing keyword keeps map unchanged', () {
+      final map = {
+        KeyWordIdentifier("\$flagged"): true,
+      };
+      final keyword = KeyWordIdentifier("\$seen");
+
+      final result = map.withoutKeyword(keyword);
+
+      expect(result.length, 1);
+      expect(result, map); // equal content
+      expect(identical(result, map), false); // but not the same instance
+    });
+
+    test('remove keyword from empty map returns empty map', () {
+      final map = <KeyWordIdentifier, bool>{};
+      final keyword = KeyWordIdentifier("\$junk");
+
+      final result = map.withoutKeyword(keyword);
+
+      expect(result.isEmpty, true);
+    });
+
+    test('does not mutate original map', () {
+      final keyword = KeyWordIdentifier("\$seen");
+
+      final map = {
+        keyword: true,
+      };
+
+      final result = map.withoutKeyword(keyword);
+
+      expect(result.containsKey(keyword), false);
+      expect(map.containsKey(keyword), true); // original not mutated
+    });
+  });
+}