Add widget test for TimePickerInputField

lib/components/time_picker_input_field.dart

@@ -4,11 +4,11 @@ class TimePickerInputField extends StatefulWidget {
   const TimePickerInputField({
     super.key,
     required this.initialTime,
-    required this.onTimeSelected,
+    required this.onTimeChanged,
   });
 
   final TimeOfDay initialTime;
-  final Function(TimeOfDay) onTimeSelected;
+  final Function(TimeOfDay) onTimeChanged;
 
   @override
   State<TimePickerInputField> createState() => _TimePickerInputFieldState();
@@ -31,7 +31,7 @@ class _TimePickerInputFieldState extends State<TimePickerInputField> {
       if (context.mounted) {
         _timeController.text = _selectedTime!.format(context);
       }
-      widget.onTimeSelected(picked);
+      widget.onTimeChanged(picked);
     }
   }
 

lib/record_input_screen.dart

@@ -108,7 +108,7 @@ class _RecordInputScreenState extends State<RecordInputScreen> {
                   Expanded(
                     child: TimePickerInputField(
                       initialTime: _selectedTime,
-                      onTimeSelected: (time) => _updateTime(time),
+                      onTimeChanged: (time) => _updateTime(time),
                     ),
                   ),
                 ],

test/components/time_picker_input_field_test.dart

@@ -0,0 +1,57 @@
+import 'package:bp_pulse_log/components/time_picker_input_field.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('TimePickerInputField Widget Tests', () {
+    testWidgets(
+      'TimePickerInputField displays a time and allows it to be changed.',
+      (WidgetTester tester) async {
+        TimeOfDay? selectedTime;
+        TimeOfDay initialTime = const TimeOfDay(hour: 10, minute: 30);
+
+        await tester.pumpWidget(
+          MaterialApp(
+            title: 'TimePickerInputField Test',
+            home: Scaffold(
+              body: Center(
+                child: TimePickerInputField(
+                  initialTime: initialTime,
+                  onTimeChanged: (TimeOfDay value) {
+                    selectedTime = value;
+                  },
+                ),
+              ),
+            ),
+          ),
+        );
+
+        // Verify that the initial date is displayed in the format MM-dd-yyyy
+        expect(find.text('10:30 AM'), findsExactly(1));
+        expect(
+          find.widgetWithIcon(TextFormField, Icons.access_time),
+          findsOneWidget,
+        );
+        expect(find.text('Time'), findsOneWidget);
+
+        // Simulate tapping the calendar icon to open the date picker
+        await tester.tap(find.byIcon(Icons.access_time));
+        await tester.pumpAndSettle();
+        expect(find.byType(TimePickerDialog), findsOneWidget);
+
+        // Simulate selecting the 'PM' button
+        await tester.tap(find.text('PM'));
+        await tester.pumpAndSettle();
+        await tester.tap(find.text('OK'));
+        await tester.pumpAndSettle();
+
+        // Verify that the displayed date has been updated
+        expect(find.text('10:30 PM'), findsOneWidget);
+
+        // Verify that the callback was called with the correct date
+        expect(selectedTime, isNotNull);
+        expect(selectedTime!, equals(const TimeOfDay(hour: 22, minute: 30)));
+      },
+    );
+  });
+}