98 lines
3.4 KiB
Dart
98 lines
3.4 KiB
Dart
import 'package:ducafe_ui_core/ducafe_ui_core.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:forui/forui.dart';
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import 'package:pj_supermarket_cloud/common/index.dart';
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/// 验证终端网络速率在无上行、异常采样和长下行文案下仍能稳定展示。
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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const runtimeChannel = MethodChannel('biz_xfj/runtime_environment');
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const connectivityChannel = MethodChannel(
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'dev.fluttercommunity.plus/connectivity',
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);
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var networkSampleCount = 0;
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setUp(() {
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networkSampleCount = 0;
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(runtimeChannel, (call) async {
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if (call.method != 'getNetworkSnapshot') return null;
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networkSampleCount++;
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return <String, Object>{
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'connected': true,
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'type': 'wifi',
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'rxBytes':
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networkSampleCount == 1 ? 1024 : 3 * 1024 * 1024 * 1024 + 1024,
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// 连续两次累计发送字节不变，模拟只有下行、没有上行的合法采样。
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'txBytes': 2048,
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};
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});
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(
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connectivityChannel,
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(call) async => call.method == 'check' ? <String>['wifi'] : null,
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);
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});
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tearDown(() {
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(runtimeChannel, null);
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(connectivityChannel, null);
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});
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test('零速率和异常采样统一显示为0 KB/s', () {
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expect(formatTerminalNetworkSpeed(0), '0 KB/s');
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expect(formatTerminalNetworkSpeed(-1), '0 KB/s');
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expect(formatTerminalNetworkSpeed(double.nan), '0 KB/s');
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expect(formatTerminalNetworkSpeed(double.infinity), '0 KB/s');
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expect(formatTerminalNetworkSpeed(512), '512 B/s');
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expect(formatTerminalNetworkSpeed(1024), '1.0 KB/s');
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});
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testWidgets('只有下行时保留独立上行行并明确显示0 KB/s', (tester) async {
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await tester.binding.setSurfaceSize(const Size(1920, 1080));
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addTearDown(() => tester.binding.setSurfaceSize(null));
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final baseTheme = FThemes.zinc.light;
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final largeTheme = FThemeData.inherit(
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colorScheme: baseTheme.colorScheme,
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typography: baseTheme.typography.scale(sizeScalar: 1.4),
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style: baseTheme.style,
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);
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await tester.pumpWidget(
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ScreenUtilInit(
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designSize: const Size(1920, 1080),
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builder: (_, __) => MaterialApp(
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home: FTheme(
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data: largeTheme,
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child: const Scaffold(
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body: Align(
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alignment: Alignment.topRight,
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child: TerminalNetworkStatus(),
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),
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),
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),
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),
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),
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);
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await tester.pump();
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await tester.pump(const Duration(seconds: 3));
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await tester.pump();
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final speedText = tester.widget<Text>(
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find.byKey(const ValueKey('terminal-network-speed')),
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);
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expect(networkSampleCount, greaterThanOrEqualTo(2));
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expect(speedText.data, contains('MB/s\n↑0 KB/s'));
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expect(speedText.data, isNot(contains('\n↑/s')));
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expect(speedText.softWrap, isFalse);
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expect(tester.takeException(), isNull);
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await tester.pumpWidget(const SizedBox.shrink());
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});
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}
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