examples/api/test/material/time_picker/show_time_picker.0_test.dart

// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/material.dart';
import 'package:flutter_api_samples/material/time_picker/show_time_picker.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';

void main() {
  testWidgets('Can open and modify time picker', (WidgetTester tester) async {
    const String openPicker = 'Open time picker';
    final List<String> options = <String>[
      '$TimePickerEntryMode',
      ... TimePickerEntryMode.values.map<String>((TimePickerEntryMode value) => value.name),
      '$ThemeMode',
      ... ThemeMode.values.map<String>((ThemeMode value) => value.name),
      '$TextDirection',
      ... TextDirection.values.map<String>((TextDirection value) => value.name),
      '$MaterialTapTargetSize',
      ... MaterialTapTargetSize.values.map<String>((MaterialTapTargetSize value) => value.name),
      '$Orientation',
      ... Orientation.values.map<String>((Orientation value) => value.name),
      'Time Mode',
      '12-hour am/pm time',
      '24-hour time',
      'Material Version',
      'Material 2',
      'Material 3',
      openPicker,
    ];

    await tester.pumpWidget(
      const MaterialApp(
        home: Scaffold(
          body: example.ShowTimePickerApp(),
        ),
      ),
    );

    for (final String option in options) {
      expect(find.text(option), findsOneWidget, reason: 'Unable to find $option widget in example.');
    }

    // Open time picker
    await tester.tap(find.text(openPicker));
    await tester.pumpAndSettle();
    expect(find.text('Select time'), findsOneWidget);
    expect(find.text('Cancel'), findsOneWidget);
    expect(find.text('OK'), findsOneWidget);

    // Close time picker
    await tester.tapAt(const Offset(1, 1));
    await tester.pumpAndSettle();
    expect(find.text('Select time'), findsNothing);
    expect(find.text('Cancel'), findsNothing);
    expect(find.text('OK'), findsNothing);

    // Change an option.
    await tester.tap(find.text('Material 2'));
    await tester.pumpAndSettle();
    await tester.tap(find.text(openPicker));
    await tester.pumpAndSettle();
    expect(find.text('SELECT TIME'), findsOneWidget);
    expect(find.text('CANCEL'), findsOneWidget);
    expect(find.text('OK'), findsOneWidget);
  });
}