test(client): L1 数值格式化纯函数单测 + 从 widget 抽出(支柱3)
- lib/util/format.dart:抽出 formatSpeed/formatDuration(原私有于 connect_page _speed / connect_button _fmt,混在 widget 里没法单测) - connect_page/connect_button 改用公共纯函数(渲染输出不变) - test/unit/format_test.dart:10 用例覆盖速率 B/s→GB/s 各单位边界 + 时长 HH:MM:SS 补零/小时不封顶/取模 60 - 验证:format 10 + widget 8 全过、analyze 无 error/warning Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@@ -4,6 +4,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../bridge/vpn_bridge.dart';
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import '../core/responsive/form_factor.dart';
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import '../util/format.dart';
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import '../l10n/app_text.dart';
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import '../models/node.dart';
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import '../pangolin_theme.dart';
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@@ -33,8 +34,8 @@ class ConnectPage extends ConsumerWidget {
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final isFree = ref.watch(isFreePlanProvider);
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final quota = ref.watch(quotaProvider);
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final stats = ref.watch(vpnStatsProvider).valueOrNull;
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final down = _speed(stats?.downloadSpeed);
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final up = _speed(stats?.uploadSpeed);
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final down = formatSpeed(stats?.downloadSpeed);
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final up = formatSpeed(stats?.uploadSpeed);
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// 延迟来源:连接后优先用内核 urltest 实测(代理真实 RTT);urltest 还没探过时
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// 回退用节点页的 TCP 探针 ping,尽量不显示 —。都没有才 —。
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var livePing = conn.phase == VpnPhase.on ? _bestUrltest(stats) : node.ping;
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@@ -202,17 +203,6 @@ class ConnectPage extends ConsumerWidget {
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}
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}
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/// 字节/秒 → 动态单位 (数值, 单位):B/s · KB/s · MB/s · GB/s(小数据也看得清)。
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/// null = 未取到,显示 —。
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(String, String) _speed(double? bytesPerSec) {
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if (bytesPerSec == null) return ('—', 'KB/s');
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final b = bytesPerSec;
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if (b < 1024) return (b.toStringAsFixed(0), 'B/s');
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if (b < 1024 * 1024) return ((b / 1024).toStringAsFixed(1), 'KB/s');
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if (b < 1024 * 1024 * 1024) return ((b / (1024 * 1024)).toStringAsFixed(1), 'MB/s');
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return ((b / (1024 * 1024 * 1024)).toStringAsFixed(2), 'GB/s');
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}
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/// 内核 urltest 各出站中的最小正延迟(ms);无则 0。
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int _bestUrltest(VpnStatsEvent? s) {
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if (s == null) return 0;
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@@ -0,0 +1,21 @@
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// format.dart — 纯数值格式化(支柱 3:纯逻辑与 IO 分离)。
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//
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// 从 widget 抽出的无副作用函数:不碰 BuildContext / 时钟 / 网络,纯输入→输出,
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// 可在 test/unit 里直接断言边界(见 test/unit/format_test.dart)。
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/// 字节/秒 → 动态单位 (数值, 单位):B/s · KB/s · MB/s · GB/s(小数据也看得清)。
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/// null = 未取到 → ('—', 'KB/s')。
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(String, String) formatSpeed(double? bytesPerSec) {
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if (bytesPerSec == null) return ('—', 'KB/s');
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final b = bytesPerSec;
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if (b < 1024) return (b.toStringAsFixed(0), 'B/s');
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if (b < 1024 * 1024) return ((b / 1024).toStringAsFixed(1), 'KB/s');
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if (b < 1024 * 1024 * 1024) return ((b / (1024 * 1024)).toStringAsFixed(1), 'MB/s');
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return ((b / (1024 * 1024 * 1024)).toStringAsFixed(2), 'GB/s');
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}
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/// 时长 → HH:MM:SS(连接计时;小时不封顶)。
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String formatDuration(Duration d) {
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String two(int n) => n.toString().padLeft(2, '0');
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return '${two(d.inHours)}:${two(d.inMinutes % 60)}:${two(d.inSeconds % 60)}';
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}
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@@ -12,6 +12,7 @@ import 'package:flutter/material.dart';
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import '../pangolin_theme.dart';
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import '../state/connection_provider.dart';
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import '../util/format.dart';
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import 'pangolin_icons.dart';
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class ConnectButton extends StatefulWidget {
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@@ -50,11 +51,6 @@ class _ConnectButtonState extends State<ConnectButton> with SingleTickerProvider
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super.dispose();
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}
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String _fmt(Duration d) {
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String two(int n) => n.toString().padLeft(2, '0');
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return '${two(d.inHours)}:${two(d.inMinutes % 60)}:${two(d.inSeconds % 60)}';
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}
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@override
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Widget build(BuildContext context) {
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final c = context.pangolin;
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@@ -124,7 +120,7 @@ class _ConnectButtonState extends State<ConnectButton> with SingleTickerProvider
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Icon(icon, size: 50, color: fg),
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const SizedBox(height: 6),
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if (s == VpnPhase.on) ...[
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Text(_fmt(widget.elapsed),
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Text(formatDuration(widget.elapsed),
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style: PangolinText.mono
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.copyWith(color: fg, fontSize: 18, fontWeight: FontWeight.w600)),
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Text(widget.secureLabel,
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