blob: 413c10633cc1d9426cb4ee5e821ee865c83395e3 [file] [log] [blame]
// Copyright 2013 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/services.dart';
import 'package:flutter_test/flutter_test.dart';
class MethodChannelMock {
MethodChannelMock({
required String channelName,
this.delay,
required this.methods,
}) : methodChannel = MethodChannel(channelName) {
methodChannel.setMockMethodCallHandler(_handler);
}
final Duration? delay;
final MethodChannel methodChannel;
final Map<String, dynamic> methods;
final List<MethodCall> log = <MethodCall>[];
Future<dynamic> _handler(MethodCall methodCall) async {
log.add(methodCall);
if (!methods.containsKey(methodCall.method)) {
throw MissingPluginException('No implementation found for method '
'${methodCall.method} on channel ${methodChannel.name}');
}
return Future<dynamic>.delayed(delay ?? Duration.zero, () {
final dynamic result = methods[methodCall.method];
if (result is Exception) {
throw result;
}
return Future<dynamic>.value(result);
});
}
}