Common Date and Time fomatters

2026-02-21 08:32:07 +08:00
parent 4811621dc5
commit d32449d096
5 changed files with 90 additions and 53 deletions
@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tasq/utils/app_time.dart';
+
+void main() {
+  setUp(() {
+    // ensure timezone is initialized (no-op if already done)
+    AppTime.initialize();
+  });
+
+  test('formatDate produces correct string', () {
+    final date = DateTime(2025, 1, 5);
+    expect(AppTime.formatDate(date), 'Jan 05, 2025');
+
+    final date2 = DateTime(2021, 12, 31);
+    expect(AppTime.formatDate(date2), 'Dec 31, 2021');
+  });
+
+  test('formatDateRange composes two dates', () {
+    final start = DateTime(2023, 3, 1);
+    final end = DateTime(2023, 3, 15);
+    expect(
+      AppTime.formatDateRange(DateTimeRange(start: start, end: end)),
+      'Mar 01, 2023 - Mar 15, 2023',
+    );
+
+    // identical start/end
+    expect(
+      AppTime.formatDateRange(DateTimeRange(start: start, end: start)),
+      'Mar 01, 2023 - Mar 01, 2023',
+    );
+  });
+
+  test('formatTime outputs 12-hour clock with suffix', () {
+    expect(AppTime.formatTime(DateTime(2020, 1, 1, 0, 0)), '12:00 AM');
+    expect(AppTime.formatTime(DateTime(2020, 1, 1, 9, 5)), '09:05 AM');
+    expect(AppTime.formatTime(DateTime(2020, 1, 1, 12, 0)), '12:00 PM');
+    expect(AppTime.formatTime(DateTime(2020, 1, 1, 23, 59)), '11:59 PM');
+  });
+}