feat(presenter): 新建 unlucky-presenter,把 host/状态/DTO/设置桥从 app 迁出(M85 第 1 块)
D26(iced 重写)的关键一次性动作:UI 框架无关的宿主层独立成 crate, Slint 版(crates/app)与 iced 版(crates/app-iced)共用,Slint 退役后不再重写一遍。 - 新建 crates/presenter(package `unlucky-presenter` / lib `unlucky_presenter`), workspace 登记 + crate 文档头写清「这层为什么存在」、对外表面、UI 侧允许/禁止、 iced 接线骨架、以及哪些东西留在了 crates/app 及为什么。 - `git mv`(保留文件历史)迁入:host/(25 文件)、dto/(11 文件)、state.rs(+tests)、 prefs.rs、settings_bridge.rs、toast.rs、router.rs、dialogs.rs、wizard.rs、 mock.rs、mock_data.rs、backend.rs。模块路径与公开 API 名称不变(`host::install` 等), 内部实现零改动。 - 新增 `theme`:把原本混在 ui_bind/theme_runtime 里的**纯判据**(CONFIG_POLL_TICKS / SYSTEM_THEME_POLL_TICKS / TILE_REGENERATE_STEP / BackgroundKey / tile_viewport / system_theme_value / 两个 poll 判据)抽出来,附 5 个单测;app 侧改成调用它们。 - crates/app 改为消费者:删掉迁走的文件,`crate::host|state|dto|prefs|settings_bridge| toast|router|dialogs|wizard|mock|mock_data|backend` 全部改写为 `unlucky_presenter::*` (64 处),backend.rs 的 config_path/build_backend 提为 pub。 - crates/app-iced 只登记 unlucky-presenter 依赖,本 mission 不接线。 - prefs.rs 的 2 处 slint 文档引用改写;`grep -rn slint crates/presenter` 现在无输出。
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//! 设置页 DTO:设置分组的通用行模型。
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//!
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//! 「行」是 UI 与 `core::setting` schema 之间的唯一形状:一行 = 一个键 + 一种控件 +
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//! 当前值。写回走 [`crate::dto::AppCommand::SetSetting`],由 host 用 `SettingStore::set`
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//! 落盘(不自己拼 JSON、不另立配置文件,`AGENTS §6`)。
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use serde::{Deserialize, Serialize};
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/// 控件类型(决定设置页画什么)。
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
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pub enum SettingControl {
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/// 开关
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Toggle,
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/// 分段单选(`options` + `selected`)
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Choice,
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/// 单行文本(`value_text`)
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Text,
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/// 只读展示(当前路径/当前版本这类)
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ReadOnly,
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/// 动作按钮(`action` 给回调 id)
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Action,
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}
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/// 一行设置。
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub struct SettingRowView {
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/// schema 键(`download.concurrency`)
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pub key: String,
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/// 行标题
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pub label: String,
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/// 说明/当前值附注
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pub description: String,
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/// 控件
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pub control: SettingControl,
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/// 开关值
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pub flag: bool,
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/// 单选序号
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pub selected: i32,
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/// 单选项文案
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pub options: Vec<String>,
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/// 文本值
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pub value_text: String,
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/// 动作 id(`detect_region` 这类)
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pub action: String,
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}
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impl SettingRowView {
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/// 开关行。
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pub fn toggle(key: &str, label: &str, description: &str, value: bool) -> Self {
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Self {
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key: key.to_string(),
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label: label.to_string(),
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description: description.to_string(),
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control: SettingControl::Toggle,
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flag: value,
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selected: 0,
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options: Vec::new(),
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value_text: String::new(),
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action: String::new(),
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}
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}
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/// 单选行。
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pub fn choice(
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key: &str,
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label: &str,
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description: &str,
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options: &[&str],
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selected: i32,
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) -> Self {
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Self {
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key: key.to_string(),
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label: label.to_string(),
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description: description.to_string(),
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control: SettingControl::Choice,
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flag: false,
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selected,
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options: options.iter().map(|item| (*item).to_string()).collect(),
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value_text: String::new(),
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action: String::new(),
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}
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}
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/// 文本行。
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pub fn text(key: &str, label: &str, description: &str, value: &str) -> Self {
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Self {
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key: key.to_string(),
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label: label.to_string(),
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description: description.to_string(),
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control: SettingControl::Text,
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flag: false,
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selected: 0,
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options: Vec::new(),
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value_text: value.to_string(),
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action: String::new(),
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}
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}
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/// 只读行。
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pub fn read_only(label: &str, value: &str) -> Self {
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Self {
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key: String::new(),
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label: label.to_string(),
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description: value.to_string(),
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control: SettingControl::ReadOnly,
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flag: false,
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selected: 0,
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options: Vec::new(),
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value_text: value.to_string(),
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action: String::new(),
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}
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}
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/// 动作行。
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pub fn action(key: &str, label: &str, description: &str, action: &str) -> Self {
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Self {
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key: key.to_string(),
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label: label.to_string(),
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description: description.to_string(),
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control: SettingControl::Action,
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flag: false,
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selected: 0,
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options: Vec::new(),
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value_text: String::new(),
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action: action.to_string(),
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}
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}
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}
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/// 一个设置分组(设置页右栏的一段)。
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub struct SettingGroupView {
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/// 分组 id(与设置页子导航的 `SettingSection` 同名:download / java / data / ai / mcp)
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pub id: String,
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/// 分组标题
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pub title: String,
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/// 行
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pub rows: Vec<SettingRowView>,
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}
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impl SettingGroupView {
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/// 建组。
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pub fn new(id: &str, title: &str) -> Self {
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Self {
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id: id.to_string(),
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title: title.to_string(),
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rows: Vec::new(),
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}
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}
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/// 追加一行(链式)。
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pub fn with(mut self, row: SettingRowView) -> Self {
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self.rows.push(row);
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self
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}
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}
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/// 在分组快照里找一个键的当前值(设置页回填用)。
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pub fn find_row<'a>(groups: &'a [SettingGroupView], key: &str) -> Option<&'a SettingRowView> {
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groups
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.iter()
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.flat_map(|group| group.rows.iter())
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.find(|row| row.key == key)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn rows_carry_exactly_one_control_kind() {
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let toggle = SettingRowView::toggle("agent.mcp.enabled", "MCP", "", true);
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assert_eq!(toggle.control, SettingControl::Toggle);
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assert!(toggle.flag);
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let choice = SettingRowView::choice("download.region", "地区", "", &["auto", "cn"], 1);
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assert_eq!(choice.options, vec!["auto", "cn"]);
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assert_eq!(choice.selected, 1);
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let action = SettingRowView::action("java.action", "检测", "", "detect_region");
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assert_eq!(action.action, "detect_region");
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}
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#[test]
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fn find_row_scans_all_groups() {
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let groups = vec![
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SettingGroupView::new("download", "下载").with(SettingRowView::text(
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"download.proxy_url",
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"代理",
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"",
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"",
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)),
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SettingGroupView::new("mcp", "MCP").with(SettingRowView::toggle(
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"agent.mcp.enabled",
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"开关",
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"",
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false,
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)),
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];
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assert_eq!(
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find_row(&groups, "agent.mcp.enabled").map(|row| row.label.as_str()),
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Some("开关")
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);
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assert!(find_row(&groups, "nope").is_none());
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}
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#[test]
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fn rows_are_serde_round_trip_safe() {
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let group = SettingGroupView::new("download", "下载").with(SettingRowView::choice(
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"download.concurrency",
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"并发",
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"",
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&["4", "8", "16"],
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1,
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));
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let text = serde_json::to_string(&group).expect("序列化");
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let back: SettingGroupView = serde_json::from_str(&text).expect("反序列化");
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assert_eq!(back, group);
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}
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}
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