chore: tests

test/core_utils_test.dart

@@ -0,0 +1,75 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:server_box/core/utils/comparator.dart';
+
+void main() {
+  group('ChainComparator Tests', () {
+    test('comparing sorts correctly', () {
+      final list = ['b', 'c', 'a'];
+      list.sort(ChainComparator.comparing<String, String>((s) => s).call);
+      expect(list, equals(['a', 'b', 'c']));
+    });
+
+    test('thenCompareBy sorts correctly', () {
+      final list = [('b', '2'), ('a', '3'), ('b', '1')];
+      list.sort(
+        ChainComparator.comparing<(String, String), String>((t) => t.$1)
+            .thenCompareBy<String>((t) => t.$2, reversed: false).call,
+      );
+      expect(list, equals([('a', '3'), ('b', '1'), ('b', '2')]));
+    });
+
+    test('thenCompareBy with reversed sorts correctly', () {
+      final list = [('b', '2'), ('a', '3'), ('b', '1')];
+      list.sort(
+        ChainComparator.comparing<(String, String), String>((t) => t.$1)
+            .thenCompareBy<String>((t) => t.$2, reversed: true).call,
+      );
+      expect(list, equals([('a', '3'), ('b', '2'), ('b', '1')]));
+    });
+
+    test('thenWithComparator sorts correctly', () {
+      final list = ['b', 'c', 'a'];
+      list.sort(ChainComparator.comparing<String, String>((s) => s)
+          .thenWithComparator((a, b) => a.length.compareTo(b.length)).call);
+      expect(list, equals(['a', 'b', 'c']));
+    });
+
+    test('thenCompareByReversed sorts correctly', () {
+      final list = [('b', '2'), ('a', '3'), ('b', '1')];
+      list.sort(
+        ChainComparator.comparing<(String, String), String>((t) => t.$1)
+            .thenCompareByReversed<String>((t) => t.$2).call,
+      );
+      expect(list, equals([('a', '3'), ('b', '2'), ('b', '1')]));
+    });
+
+    test('thenTrueFirst sorts correctly', () {
+      final list = [('a', false), ('b', true), ('c', false)];
+      list.sort(
+        ChainComparator.empty().thenTrueFirst((t) => t.$2).thenWithComparator((a, b) => a.$1.compareTo(b.$1)).call,
+      );
+      expect(list, equals([('b', true), ('a', false), ('c', false)]));
+    });
+
+    test('reversed sorts correctly', () {
+      final list = ['a', 'c', 'b'];
+      final comparator = ChainComparator.comparing<String, String>((s) => s);
+      list.sort(comparator.reversed().call);
+      expect(list, equals(['c', 'b', 'a']));
+    });
+  });
+
+  group('Comparators Tests', () {
+    test('compareStringCaseInsensitive sorts correctly', () {
+      final list = ['b', 'C', 'a'];
+      list.sort(Comparators.compareStringCaseInsensitive());
+      expect(list, equals(['a', 'b', 'C']));
+    });
+
+    test('compareStringCaseInsensitive with uppercaseFirst sorts correctly', () {
+      final list = ['b', 'C', 'a', 'B'];
+      list.sort(Comparators.compareStringCaseInsensitive(uppercaseFirst: true));
+      expect(list, equals(['a', 'B', 'b', 'C']));
+    });
+  });
+}