1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
// 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_driver/flutter_driver.dart';
import 'package:test/test.dart' hide TypeMatcher, isInstanceOf;
void main() {
group('button tap test', () {
late FlutterDriver driver;
setUpAll(() async {
driver = await FlutterDriver.connect();
});
tearDownAll(() async {
driver.close();
});
test('tap on the button, verify result', () async {
final SerializableFinder batteryLevelLabel =
find.byValueKey('Battery level label');
expect(batteryLevelLabel, isNotNull);
final SerializableFinder button = find.text('Refresh');
await driver.waitFor(button);
await driver.tap(button);
String? batteryLevel;
while (batteryLevel == null || batteryLevel.contains('unknown')) {
batteryLevel = await driver.getText(batteryLevelLabel);
}
// Allow either a battery percentage or "No battery" since it will vary
// by device; either indicates that a known response came from the host
// implementation.
expect(batteryLevel.contains('%') || batteryLevel.contains('No battery'),
isTrue);
});
});
}