Unlucky Launcher v0.2.0

首个 iced + Material 3 Expressive 版本的源码快照。
完整历史与日常提交在 dev 分支；main 只放阶段性快照。

crates/core/tests/setting/deprecated_keys.rs

@@ -0,0 +1,142 @@
+//! 键废弃机制：`ui.theme` → `appearance.theme_mode`（tower 键冲突裁决）。
+//!
+//! 规则：**读兼容**（旧值按 `THEME_ALIASES` 映射，新键已在则新键优先）+ **写永远走新键**
+//! （`set` 旧键直接报错，落盘不含旧键，AI 白名单与工具 JSON Schema 也不含旧键）。
+
+use serde_json::{json, Value};
+use unlucky_core::setting::document::{LoadProblem, SettingDocument};
+use unlucky_core::setting::keys::{launcher_schema, LEGACY_THEMES, THEME_ALIASES, THEME_MODES};
+use unlucky_core::setting::schema::{SchemaId, SchemaRef, SchemaVersion, SCHEMA_KEY};
+use unlucky_core::setting::store::SettingStore;
+
+use crate::common::TempDir;
+
+fn legacy_file(raw_ui: Value) -> Value {
+    json!({
+        SCHEMA_KEY: SchemaRef::new(SchemaId::LAUNCHER, SchemaVersion::new(1, 0, 0)).url(),
+        "ui": raw_ui
+    })
+}
+
+fn deprecated_problem(problems: &[LoadProblem]) -> Option<&'static str> {
+    problems.iter().find_map(|problem| match problem {
+        LoadProblem::DeprecatedKey {
+            key, replaced_by, ..
+        } if key == "ui.theme" => Some(*replaced_by),
+        _ => None,
+    })
+}
+
+#[test]
+fn legacy_theme_values_are_translated_on_read() {
+    assert_eq!(THEME_MODES.len(), 3);
+    assert!(THEME_MODES.contains(&"auto") && THEME_MODES.contains(&"light"));
+    assert!(THEME_MODES.contains(&"dark"));
+    assert_eq!(
+        LEGACY_THEMES.len(),
+        THEME_ALIASES.len(),
+        "三个旧值都要有映射"
+    );
+
+    for (legacy, expected) in [
+        ("system", "auto"),
+        ("metro_light", "light"),
+        ("metro_dark", "dark"),
+    ] {
+        let (doc, problems) =
+            SettingDocument::load(&launcher_schema(), &legacy_file(json!({ "theme": legacy })));
+
+        assert_eq!(
+            doc.effective_str("appearance.theme_mode"),
+            Some(expected),
+            "旧值 {legacy} 应映射成 {expected}"
+        );
+        assert_eq!(
+            doc.legacy_value("ui.theme").and_then(Value::as_str),
+            Some(legacy),
+            "旧键原文要留着给 UI 提示/回滚"
+        );
+        assert_eq!(deprecated_problem(&problems), Some("appearance.theme_mode"));
+        assert!(!doc.is_dirty(), "读兼容不算用户改动");
+    }
+}
+
+#[test]
+fn new_key_wins_when_both_present() {
+    let raw = json!({
+        SCHEMA_KEY: SchemaRef::new(SchemaId::LAUNCHER, SchemaVersion::new(1, 0, 0)).url(),
+        "ui": { "theme": "metro_dark" },
+        "appearance": { "theme_mode": "light" }
+    });
+    let (doc, _) = SettingDocument::load(&launcher_schema(), &raw);
+    assert_eq!(doc.effective_str("appearance.theme_mode"), Some("light"));
+}
+
+#[test]
+fn unmapped_legacy_value_is_reported() {
+    let (doc, problems) =
+        SettingDocument::load(&launcher_schema(), &legacy_file(json!({ "theme": "neon" })));
+    assert_eq!(doc.effective_str("appearance.theme_mode"), Some("neon"));
+    assert!(
+        problems.iter().any(|problem| matches!(
+            problem,
+            LoadProblem::InvalidValue { key, .. } if key == "appearance.theme_mode"
+        )),
+        "映射不过去的旧值要报出来: {problems:?}"
+    );
+}
+
+#[test]
+fn writing_the_deprecated_key_is_refused() {
+    let (mut doc, _) = SettingDocument::load(&launcher_schema(), &json!({}));
+    let err = doc
+        .set("ui.theme", json!("metro_dark"))
+        .expect_err("旧键禁止写");
+    assert!(err.to_string().contains("appearance.theme_mode"), "{err}");
+    assert!(!doc.is_dirty());
+}
+
+#[test]
+fn save_drops_the_old_key_and_writes_the_new_one() {
+    let temp = TempDir::new("deprecated-save");
+    temp.write(
+        "config/launcher.json",
+        &legacy_file(json!({ "theme": "metro_dark", "language": "en_us" })).to_string(),
+    );
+
+    let mut store = SettingStore::load(temp.child("config/launcher.json"), launcher_schema());
+    assert_eq!(
+        store.effective("appearance.theme_mode"),
+        Some(&json!("dark"))
+    );
+
+    // 随便改一个别的键触发一次保存：旧键消失、新键（映射值）落盘。
+    store.set("ui.scale", json!(1.25)).expect("改缩放");
+    store.save().expect("保存");
+
+    let saved: Value = serde_json::from_str(&temp.read("config/launcher.json")).expect("JSON 合法");
+    assert_eq!(saved["appearance"]["theme_mode"], json!("dark"));
+    assert!(
+        saved["ui"].get("theme").is_none(),
+        "废弃键不再落盘: {saved}"
+    );
+    assert_eq!(saved["ui"]["language"], json!("en_us"));
+}
+
+#[test]
+fn whitelist_and_tool_schema_exclude_the_old_key() {
+    let schema = launcher_schema();
+    assert_eq!(schema.deprecated_keys(), vec!["ui.theme"]);
+    assert_eq!(
+        schema.replacement_of("ui.theme"),
+        Some("appearance.theme_mode")
+    );
+    assert_eq!(schema.replacement_of("appearance.theme_mode"), None);
+    assert!(!schema.accepts_ai_write("ui.theme"), "废弃键不许 AI 写");
+    assert!(!schema.ai_writable_keys().contains(&"ui.theme"));
+
+    let projected = schema.to_json_schema();
+    let properties = projected["properties"].as_object().expect("properties");
+    assert!(properties.contains_key("appearance.theme_mode"));
+    assert!(!properties.contains_key("ui.theme"));
+}