flutter/packages/flutter/test/foundation/service_extensions_test.dart

339 lines
13 KiB
Dart

// Copyright 2017 The Chromium 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:async';
import 'dart:convert';
import 'dart:typed_data';
import 'dart:ui' as ui;
import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/scheduler.dart';
import 'package:flutter/services.dart';
import 'package:flutter/widgets.dart';
import 'package:test/test.dart';
class TestServiceExtensionsBinding extends BindingBase
with SchedulerBinding,
ServicesBinding,
GestureBinding,
RendererBinding,
WidgetsBinding {
final Map<String, ServiceExtensionCallback> extensions = <String, ServiceExtensionCallback>{};
@override
void registerServiceExtension({
@required String name,
@required ServiceExtensionCallback callback
}) {
expect(extensions.containsKey(name), isFalse);
extensions[name] = callback;
}
Future<Map<String, String>> testExtension(String name, Map<String, String> arguments) {
expect(extensions.containsKey(name), isTrue);
return extensions[name](arguments);
}
int reassembled = 0;
@override
Future<Null> reassembleApplication() {
reassembled += 1;
return super.reassembleApplication();
}
bool frameScheduled = false;
@override
void scheduleFrame() {
frameScheduled = true;
}
void doFrame() {
frameScheduled = false;
if (ui.window.onBeginFrame != null)
ui.window.onBeginFrame(const Duration());
}
Future<Null> flushMicrotasks() {
Completer<Null> completer = new Completer<Null>();
new Timer(const Duration(), () {
completer.complete();
});
return completer.future;
}
}
void main() {
TestServiceExtensionsBinding binding;
List<String> console = <String>[];
test('Service extensions - pretest', () async {
binding = new TestServiceExtensionsBinding();
expect(binding.frameScheduled, isTrue);
binding.doFrame(); // initial frame scheduled by creating the binding
expect(binding.frameScheduled, isFalse);
expect(debugPrint, equals(debugPrintThrottled));
debugPrint = (String message, { int wrapWidth }) {
console.add(message);
};
});
// The following list is alphabetical, one test per extension.
//
// The order doesn't really matter except that the pretest and posttest tests
// must be first and last respectively.
test('Service extensions - debugAllowBanner', () async {
Map<String, String> result;
expect(binding.frameScheduled, isFalse);
expect(WidgetsApp.debugAllowBannerOverride, true);
result = await binding.testExtension('debugAllowBanner', <String, String>{});
expect(result, <String, String>{ 'enabled': 'true' });
expect(WidgetsApp.debugAllowBannerOverride, true);
result = await binding.testExtension('debugAllowBanner', <String, String>{ 'enabled': 'false' });
expect(result, <String, String>{ 'enabled': 'false' });
expect(WidgetsApp.debugAllowBannerOverride, false);
result = await binding.testExtension('debugAllowBanner', <String, String>{});
expect(result, <String, String>{ 'enabled': 'false' });
expect(WidgetsApp.debugAllowBannerOverride, false);
result = await binding.testExtension('debugAllowBanner', <String, String>{ 'enabled': 'true' });
expect(result, <String, String>{ 'enabled': 'true' });
expect(WidgetsApp.debugAllowBannerOverride, true);
result = await binding.testExtension('debugAllowBanner', <String, String>{});
expect(result, <String, String>{ 'enabled': 'true' });
expect(WidgetsApp.debugAllowBannerOverride, true);
expect(binding.frameScheduled, isFalse);
});
test('Service extensions - debugDumpApp', () async {
Map<String, String> result;
result = await binding.testExtension('debugDumpApp', <String, String>{});
expect(result, <String, String>{});
expect(console, <String>['TestServiceExtensionsBinding - CHECKED MODE', '<no tree currently mounted>']);
console.clear();
});
test('Service extensions - debugDumpRenderTree', () async {
Map<String, String> result;
result = await binding.testExtension('debugDumpRenderTree', <String, String>{});
expect(result, <String, String>{});
expect(console, <Matcher>[
matches(
r'RenderView#[0-9]+\n'
r' debug mode enabled - [a-zA-Z]+\n'
r' window size: Size\(800\.0, 600\.0\) \(in physical pixels\)\n'
r' device pixel ratio: 1\.0 \(physical pixels per logical pixel\)\n'
r' configuration: Size\(800\.0, 600\.0\) at 1\.0x \(in logical pixels\)\n'
r'\n'
),
]);
console.clear();
});
test('Service extensions - debugPaint', () async {
Map<String, String> result;
Future<Map<String, String>> pendingResult;
bool completed;
expect(binding.frameScheduled, isFalse);
expect(debugPaintSizeEnabled, false);
result = await binding.testExtension('debugPaint', <String, String>{});
expect(result, <String, String>{ 'enabled': 'false' });
expect(debugPaintSizeEnabled, false);
expect(binding.frameScheduled, isFalse);
pendingResult = binding.testExtension('debugPaint', <String, String>{ 'enabled': 'true' });
completed = false;
pendingResult.whenComplete(() { completed = true; });
await binding.flushMicrotasks();
expect(binding.frameScheduled, isTrue);
expect(completed, isFalse);
binding.doFrame();
await binding.flushMicrotasks();
expect(completed, isTrue);
expect(binding.frameScheduled, isFalse);
result = await pendingResult;
expect(result, <String, String>{ 'enabled': 'true' });
expect(debugPaintSizeEnabled, true);
result = await binding.testExtension('debugPaint', <String, String>{});
expect(result, <String, String>{ 'enabled': 'true' });
expect(debugPaintSizeEnabled, true);
expect(binding.frameScheduled, isFalse);
pendingResult = binding.testExtension('debugPaint', <String, String>{ 'enabled': 'false' });
await binding.flushMicrotasks();
expect(binding.frameScheduled, isTrue);
binding.doFrame();
expect(binding.frameScheduled, isFalse);
result = await pendingResult;
expect(result, <String, String>{ 'enabled': 'false' });
expect(debugPaintSizeEnabled, false);
result = await binding.testExtension('debugPaint', <String, String>{});
expect(result, <String, String>{ 'enabled': 'false' });
expect(debugPaintSizeEnabled, false);
expect(binding.frameScheduled, isFalse);
});
test('Service extensions - evict', () async {
Map<String, String> result;
bool completed;
completed = false;
PlatformMessages.setMockBinaryMessageHandler('flutter/assets', (ByteData message) async {
expect(UTF8.decode(message.buffer.asUint8List()), 'test');
completed = true;
return new ByteData(5); // 0x0000000000
});
bool data;
data = await rootBundle.loadStructuredData<bool>('test', (String value) async { expect(value, '\x00\x00\x00\x00\x00'); return true; });
expect(data, isTrue);
expect(completed, isTrue);
completed = false;
data = await rootBundle.loadStructuredData('test', (String value) async { expect(true, isFalse); return null; });
expect(data, isTrue);
expect(completed, isFalse);
result = await binding.testExtension('evict', <String, String>{ 'value': 'test' });
expect(result, <String, String>{ 'value': '' });
expect(completed, isFalse);
data = await rootBundle.loadStructuredData<bool>('test', (String value) async { expect(value, '\x00\x00\x00\x00\x00'); return false; });
expect(data, isFalse);
expect(completed, isTrue);
PlatformMessages.setMockBinaryMessageHandler('flutter/assets', null);
});
test('Service extensions - exit', () async {
// no test for _calling_ 'exit', because that should terminate the process!
expect(binding.extensions.containsKey('exit'), isTrue);
});
test('Service extensions - frameworkPresent', () async {
Map<String, String> result;
result = await binding.testExtension('frameworkPresent', <String, String>{});
expect(result, <String, String>{});
});
test('Service extensions - repaintRainbow', () async {
Map<String, String> result;
Future<Map<String, String>> pendingResult;
bool completed;
expect(binding.frameScheduled, isFalse);
expect(debugRepaintRainbowEnabled, false);
result = await binding.testExtension('repaintRainbow', <String, String>{});
expect(result, <String, String>{ 'enabled': 'false' });
expect(debugRepaintRainbowEnabled, false);
expect(binding.frameScheduled, isFalse);
pendingResult = binding.testExtension('repaintRainbow', <String, String>{ 'enabled': 'true' });
completed = false;
pendingResult.whenComplete(() { completed = true; });
await binding.flushMicrotasks();
expect(completed, true);
expect(binding.frameScheduled, isFalse);
result = await pendingResult;
expect(result, <String, String>{ 'enabled': 'true' });
expect(debugRepaintRainbowEnabled, true);
result = await binding.testExtension('repaintRainbow', <String, String>{});
expect(result, <String, String>{ 'enabled': 'true' });
expect(debugRepaintRainbowEnabled, true);
expect(binding.frameScheduled, isFalse);
pendingResult = binding.testExtension('repaintRainbow', <String, String>{ 'enabled': 'false' });
completed = false;
pendingResult.whenComplete(() { completed = true; });
await binding.flushMicrotasks();
expect(completed, false);
expect(binding.frameScheduled, isTrue);
binding.doFrame();
await binding.flushMicrotasks();
expect(completed, true);
expect(binding.frameScheduled, isFalse);
result = await pendingResult;
expect(result, <String, String>{ 'enabled': 'false' });
expect(debugRepaintRainbowEnabled, false);
result = await binding.testExtension('repaintRainbow', <String, String>{});
expect(result, <String, String>{ 'enabled': 'false' });
expect(debugRepaintRainbowEnabled, false);
expect(binding.frameScheduled, isFalse);
});
test('Service extensions - reassemble', () async {
Map<String, String> result;
Future<Map<String, String>> pendingResult;
bool completed;
completed = false;
expect(binding.reassembled, 0);
pendingResult = binding.testExtension('reassemble', <String, String>{});
pendingResult.whenComplete(() { completed = true; });
await binding.flushMicrotasks();
expect(binding.frameScheduled, isTrue);
expect(completed, false);
binding.doFrame();
await binding.flushMicrotasks();
expect(completed, true);
expect(binding.frameScheduled, isFalse);
result = await pendingResult;
expect(result, <String, String>{});
expect(binding.reassembled, 1);
});
test('Service extensions - showPerformanceOverlay', () async {
Map<String, String> result;
expect(binding.frameScheduled, isFalse);
expect(WidgetsApp.showPerformanceOverlayOverride, false);
result = await binding.testExtension('showPerformanceOverlay', <String, String>{});
expect(result, <String, String>{ 'enabled': 'false' });
expect(WidgetsApp.showPerformanceOverlayOverride, false);
result = await binding.testExtension('showPerformanceOverlay', <String, String>{ 'enabled': 'true' });
expect(result, <String, String>{ 'enabled': 'true' });
expect(WidgetsApp.showPerformanceOverlayOverride, true);
result = await binding.testExtension('showPerformanceOverlay', <String, String>{});
expect(result, <String, String>{ 'enabled': 'true' });
expect(WidgetsApp.showPerformanceOverlayOverride, true);
result = await binding.testExtension('showPerformanceOverlay', <String, String>{ 'enabled': 'false' });
expect(result, <String, String>{ 'enabled': 'false' });
expect(WidgetsApp.showPerformanceOverlayOverride, false);
result = await binding.testExtension('showPerformanceOverlay', <String, String>{});
expect(result, <String, String>{ 'enabled': 'false' });
expect(WidgetsApp.showPerformanceOverlayOverride, false);
expect(binding.frameScheduled, isFalse);
});
test('Service extensions - timeDilation', () async {
Map<String, String> result;
expect(binding.frameScheduled, isFalse);
expect(timeDilation, 1.0);
result = await binding.testExtension('timeDilation', <String, String>{});
expect(result, <String, String>{ 'timeDilation': '1.0' });
expect(timeDilation, 1.0);
result = await binding.testExtension('timeDilation', <String, String>{ 'timeDilation': '100.0' });
expect(result, <String, String>{ 'timeDilation': '100.0' });
expect(timeDilation, 100.0);
result = await binding.testExtension('timeDilation', <String, String>{});
expect(result, <String, String>{ 'timeDilation': '100.0' });
expect(timeDilation, 100.0);
result = await binding.testExtension('timeDilation', <String, String>{ 'timeDilation': '1.0' });
expect(result, <String, String>{ 'timeDilation': '1.0' });
expect(timeDilation, 1.0);
result = await binding.testExtension('timeDilation', <String, String>{});
expect(result, <String, String>{ 'timeDilation': '1.0' });
expect(timeDilation, 1.0);
expect(binding.frameScheduled, isFalse);
});
test('Service extensions - posttest', () async {
// If you add a service extension... TEST IT! :-)
// ...then increment this number.
expect(binding.extensions.length, 11);
expect(console, isEmpty);
debugPrint = debugPrintThrottled;
});
}