blob: fbdd4e31fe00bb4ec121c13e6986af154ec7cdda [file] [log] [blame]
// 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 'dart:convert';
import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:flutter/scheduler.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
const String license1 = '''
L1Package1
L1Package2
L1Package3
L1Paragraph1
L1Paragraph2
L1Paragraph3''';
const String license2 = '''
L2Package1
L2Package2
L2Package3
L2Paragraph1
L2Paragraph2
L2Paragraph3''';
const String combinedLicenses = '''
$license1
--------------------------------------------------------------------------------
$license2
''';
class TestBinding extends BindingBase with SchedulerBinding, ServicesBinding {
@override
TestDefaultBinaryMessenger get defaultBinaryMessenger => super.defaultBinaryMessenger as TestDefaultBinaryMessenger;
@override
TestDefaultBinaryMessenger createBinaryMessenger() {
return TestDefaultBinaryMessenger(super.createBinaryMessenger());
}
}
void main() {
final TestBinding binding = TestBinding();
test('Adds rootBundle LICENSES to LicenseRegistry', () async {
binding.defaultBinaryMessenger.setMockMessageHandler('flutter/assets', (ByteData? message) async {
if (const StringCodec().decodeMessage(message) == 'NOTICES.Z' && !kIsWeb) {
return Uint8List.fromList(gzip.encode(utf8.encode(combinedLicenses))).buffer.asByteData();
}
if (const StringCodec().decodeMessage(message) == 'NOTICES' && kIsWeb) {
return const StringCodec().encodeMessage(combinedLicenses);
}
return null;
});
final List<LicenseEntry> licenses = await LicenseRegistry.licenses.toList();
expect(licenses[0].packages, equals(<String>['L1Package1', 'L1Package2', 'L1Package3']));
expect(
licenses[0].paragraphs.map((LicenseParagraph p) => p.text),
equals(<String>['L1Paragraph1', 'L1Paragraph2', 'L1Paragraph3']),
);
expect(licenses[1].packages, equals(<String>['L2Package1', 'L2Package2', 'L2Package3']));
expect(
licenses[1].paragraphs.map((LicenseParagraph p) => p.text),
equals(<String>['L2Paragraph1', 'L2Paragraph2', 'L2Paragraph3']),
);
});
test('didHaveMemoryPressure clears asset caches', () async {
int flutterAssetsCallCount = 0;
binding.defaultBinaryMessenger.setMockMessageHandler('flutter/assets', (ByteData? message) async {
flutterAssetsCallCount += 1;
return Uint8List.fromList('test_asset_data'.codeUnits).buffer.asByteData();
});
await rootBundle.loadString('test_asset');
expect(flutterAssetsCallCount, 1);
await rootBundle.loadString('test_asset2');
expect(flutterAssetsCallCount, 2);
await rootBundle.loadString('test_asset');
expect(flutterAssetsCallCount, 2);
await rootBundle.loadString('test_asset2');
expect(flutterAssetsCallCount, 2);
final ByteData message = const JSONMessageCodec().encodeMessage(<String, dynamic>{'type': 'memoryPressure'})!;
await ServicesBinding.instance.defaultBinaryMessenger.handlePlatformMessage('flutter/system', message, (_) { });
await rootBundle.loadString('test_asset');
expect(flutterAssetsCallCount, 3);
await rootBundle.loadString('test_asset2');
expect(flutterAssetsCallCount, 4);
await rootBundle.loadString('test_asset');
expect(flutterAssetsCallCount, 4);
await rootBundle.loadString('test_asset2');
expect(flutterAssetsCallCount, 4);
});
test('initInstances sets a default method call handler for SystemChannels.textInput', () async {
final ByteData message = const JSONMessageCodec().encodeMessage(<String, dynamic>{'method': 'TextInput.requestElementsInRect', 'args': null})!;
await ServicesBinding.instance.defaultBinaryMessenger.handlePlatformMessage('flutter/textinput', message, (ByteData? data) {
expect(data, isNotNull);
});
});
}