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Unlucky-Launcher/crates/core/tests/setting/update_keys.rs
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Unlucky Launcher v0.2.3
2026-11-08 00:15:58 +00:00

338 lines
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Rust
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//! M161:`update.auto_check` / `update.channel` 的 schema 契约 + 旧 `cache/update/prefs.json` 的迁移。
//!
//! 迁移的四条硬约束在这里逐条钉住(幂等 / 不丢 `false` / 新值胜出 / 旧文件退役),
//! 另外还有一条 schema 层面的:`update.channel` 现在只允许 `stable`——清单里没有的渠道
//! 写进文件等于「设了但没生效」,宁可让 `config set` 当面拒绝。
use serde_json::json;
use unlucky_core::setting::document::{RenderMode, SettingDocument};
use unlucky_core::setting::keys::launcher_schema;
use unlucky_core::setting::keys::update::UPDATE_CHANNELS;
use unlucky_core::setting::spec::{Sensitivity, ValueKind};
use unlucky_core::setting::store::SettingStore;
use unlucky_core::setting::update_prefs::{
self, Migration, Targets, DEFAULT_AUTO_CHECK, DEFAULT_CHANNEL, KEY_AUTO_CHECK, KEY_CHANNEL,
RECEIPT_FILE,
};
use super::common::TempDir;
/// 三个路径(`<root>/config/launcher.json` + `<root>/cache/update/prefs.json` + 收据)。
fn targets(_temp: &TempDir) -> (String, String, String) {
(
"config/launcher.json".to_string(),
"cache/update/prefs.json".to_string(),
format!("config/{RECEIPT_FILE}"),
)
}
fn run(temp: &TempDir) -> Migration {
let (launcher, legacy, receipt) = targets(temp);
update_prefs::migrate(
Targets {
launcher: &temp.child(&launcher),
legacy: &temp.child(&legacy),
receipt: &temp.child(&receipt),
},
1_700_000_000_000,
)
}
/// 读主配置里的显式值(`None` = 文件里没这个键)。
fn explicit(temp: &TempDir, key: &str) -> Option<serde_json::Value> {
let store = SettingStore::load(temp.child("config/launcher.json"), launcher_schema());
store.doc().get(key).cloned()
}
#[test]
fn the_two_keys_are_registered_with_the_expected_shape() {
let schema = launcher_schema();
let auto = schema
.spec(KEY_AUTO_CHECK)
.expect("update.auto_check 必须登记");
assert_eq!(auto.default, json!(DEFAULT_AUTO_CHECK), "出厂是开");
assert_eq!(auto.kind, ValueKind::Bool);
assert_eq!(
auto.ai.sensitivity,
Sensitivity::Medium,
"改它会让启动器自己下载并替换 exe,AI 改过要留审计痕迹"
);
let channel = schema.spec(KEY_CHANNEL).expect("update.channel 必须登记");
assert_eq!(channel.default, json!(DEFAULT_CHANNEL));
assert_eq!(channel.kind, ValueKind::Enum(UPDATE_CHANNELS));
assert!(schema.validate(KEY_CHANNEL, &json!("stable")).is_ok());
// 清单里还没有的渠道:**当面拒绝**(写进文件等于「设了但没生效」)。
assert!(schema.validate(KEY_CHANNEL, &json!("beta")).is_err());
assert!(schema.validate(KEY_CHANNEL, &json!("nightly")).is_err());
assert!(schema.validate(KEY_AUTO_CHECK, &json!(1)).is_err());
}
#[test]
fn the_keys_render_in_the_nested_shape() {
let (mut document, problems) = SettingDocument::load(&launcher_schema(), &json!({}));
assert!(problems.is_empty(), "{problems:?}");
// 默认值不落盘:空文档渲染出来不该有 update 段。
assert!(
document.render(RenderMode::Full).get("update").is_none(),
"出厂值不该写进文件"
);
document.set(KEY_AUTO_CHECK, json!(false)).expect("写");
document.set(KEY_CHANNEL, json!("stable")).expect("写");
let rendered = document.render(RenderMode::Full);
assert_eq!(
rendered["update"],
json!({ "auto_check": false, "channel": "stable" }),
"点分键在文件里是嵌套对象(与既有键同一形状)"
);
// 读回来也要是同一个值(IPC/CLI 都读这一份)。
let (reloaded, problems) = SettingDocument::load(&launcher_schema(), &rendered);
assert!(problems.is_empty(), "{problems:?}");
assert!(
!update_prefs::auto_check(&reloaded),
"读回来的生效值必须是文件里的 false"
);
assert_eq!(update_prefs::channel(&reloaded), "stable");
}
#[test]
fn a_false_switch_is_migrated_and_the_old_file_is_retired() {
let temp = TempDir::new("m161-migrate-false");
temp.write("cache/update/prefs.json", r#"{"auto_check": false}"#);
let outcome = run(&temp);
let Migration::Migrated {
auto_check,
retired,
receipt,
} = outcome.clone()
else {
panic!("应当迁入,实际 {outcome:?}");
};
assert!(!auto_check, "旧文件里的 false 不许被默认值盖掉");
// 主配置里是显式的 false(不是「缺键取默认」)。
assert_eq!(explicit(&temp, KEY_AUTO_CHECK), Some(json!(false)));
// 旧文件不能再被读到。
assert!(!temp.exists("cache/update/prefs.json"), "旧文件必须退役");
assert!(temp.exists("cache/update/prefs.json.migrated"), "留着取证");
assert_eq!(retired, temp.child("cache/update/prefs.json.migrated"));
// 收据可查:落盘、类型/指纹/端点齐全。
assert!(receipt.exists(), "收据要落盘:{}", receipt.display());
let text = temp.read(&format!("config/{RECEIPT_FILE}"));
assert!(text.contains("\"legacy_config\""), "{text}");
assert!(text.contains("prefs.json"), "{text}");
assert!(text.contains("launcher.json"), "{text}");
assert!(text.contains("\"applied_at_ms\": 1700000000000"), "{text}");
}
#[test]
fn running_twice_is_idempotent() {
let temp = TempDir::new("m161-migrate-twice");
temp.write("cache/update/prefs.json", r#"{"auto_check": false}"#);
assert!(run(&temp).touched(), "第一遍要真的动手");
let after_first = temp.read("config/launcher.json");
let receipt_first = temp.read(&format!("config/{RECEIPT_FILE}"));
// 第二遍:旧文件已经改名 ⇒ 什么都没得做。
let second = run(&temp);
assert_eq!(second, Migration::Nothing, "第二遍必须是空操作");
assert_eq!(temp.read("config/launcher.json"), after_first, "文件不许变");
assert_eq!(
temp.read(&format!("config/{RECEIPT_FILE}")),
receipt_first,
"收据也不该被重写(源指纹相同 = 跳过)"
);
}
#[test]
fn a_missing_legacy_file_is_a_silent_noop() {
let temp = TempDir::new("m161-migrate-absent");
assert_eq!(run(&temp), Migration::Nothing);
// 连主配置都不该建(没有值要写,就不该白建一个文件)。
assert!(!temp.exists("config/launcher.json"), "不该凭空建配置");
assert!(
!temp.exists(&format!("config/{RECEIPT_FILE}")),
"不该写收据"
);
}
#[test]
fn an_explicit_new_value_wins_over_the_legacy_file() {
let temp = TempDir::new("m161-migrate-new-wins");
temp.write(
"config/launcher.json",
&json!({
"$schema": schema_url(),
"schemaVersion": 1,
"update": { "auto_check": true }
})
.to_string(),
);
temp.write("cache/update/prefs.json", r#"{"auto_check": false}"#);
let outcome = run(&temp);
assert_eq!(
outcome.as_str(),
"new_value_wins",
"主配置里有显式值时不许覆盖:{outcome:?}"
);
assert_eq!(
explicit(&temp, KEY_AUTO_CHECK),
Some(json!(true)),
"新值胜出"
);
// 旧文件照样退役(它已经不是真相源),收据也写了。
assert!(!temp.exists("cache/update/prefs.json"));
assert!(temp.exists(&format!("config/{RECEIPT_FILE}")));
}
#[test]
fn the_default_true_is_not_written_but_the_file_still_retires() {
let temp = TempDir::new("m161-migrate-default");
temp.write("cache/update/prefs.json", r#"{"auto_check": true}"#);
let outcome = run(&temp);
assert_eq!(outcome.as_str(), "migrated");
// 「默认值不落盘」:写进去只是噪音,生效值本来就是 true。
assert_eq!(explicit(&temp, KEY_AUTO_CHECK), None, "出厂值不落盘");
assert!(!temp.exists("cache/update/prefs.json"), "旧文件仍要退役");
let store = SettingStore::load(temp.child("config/launcher.json"), launcher_schema());
assert!(update_prefs::auto_check(store.doc()));
}
#[test]
fn a_corrupt_legacy_file_touches_nothing() {
let temp = TempDir::new("m161-migrate-corrupt");
temp.write("cache/update/prefs.json", "{ not json");
let outcome = run(&temp);
assert_eq!(outcome.as_str(), "unreadable", "{outcome:?}");
// 坏文件保持原样:下一次还能再试(我们既不猜值也不删证据)。
assert!(temp.exists("cache/update/prefs.json"));
assert!(!temp.exists(&format!("config/{RECEIPT_FILE}")));
}
#[test]
fn an_empty_legacy_file_still_means_the_default() {
// `serde(default)`:老文件里没有 auto_check 字段(或整份是 `{}`)⇒ 按出厂值处理,
// 而不是把整份文件判成坏文件。
let temp = TempDir::new("m161-migrate-empty");
temp.write("cache/update/prefs.json", "{}");
let outcome = run(&temp);
assert_eq!(outcome.as_str(), "migrated");
let store = SettingStore::load(temp.child("config/launcher.json"), launcher_schema());
assert!(update_prefs::auto_check(store.doc()), "缺字段取出厂值 true");
}
/// **源指纹闸门**:旧文件还在原地(改名失败 / 用户从备份捞回来)但内容没变 ⇒ 一次都不再迁。
///
/// 复审 P2-3:把 `update_prefs.rs` 里那道闸门整段删掉,113 条 setting 用例全绿——因为
/// `running_twice_is_idempotent` 的第二遍之所以空操作,是第一遍已经把文件改名成 `.migrated`,
/// **根本没走到闸门**。这条用例是唯一真正撞它的:先按旧文件字节写好收据,再让 `prefs.json`
/// 原地留着调 `migrate`。
///
/// 抓得住:①闸门被删(会走「新值胜出」那一支并**重写收据**,`applied_at_ms` 变);②指纹比对
/// 写成「有收据就跳过」而不是「指纹相同才跳过」(下面第二条反证);③闸门放行时忘了退役旧文件。
#[test]
fn the_receipt_gate_skips_a_replayed_source_byte_for_byte() {
let temp = TempDir::new("m161-gate-replay");
let legacy = temp.write("cache/update/prefs.json", r#"{"auto_check": false}"#);
let receipt_path = temp.child(&format!("config/{RECEIPT_FILE}"));
// 先按真实字节写一张收据(模拟「上一轮迁过、但旧文件又回到了原地」)。
let bytes = std::fs::read(&legacy).expect("读旧文件");
let receipt = unlucky_core::platform::receipt::MigrationReceipt::legacy_config(
legacy.clone(),
temp.child("config/launcher.json"),
unlucky_core::platform::receipt::fingerprint_bytes(&bytes),
1_600_000_000_000,
);
unlucky_core::platform::receipt::write(&receipt_path, &receipt).expect("写收据");
let receipt_before = temp.read(&format!("config/{RECEIPT_FILE}"));
let outcome = run(&temp);
assert_eq!(
outcome.as_str(),
"nothing",
"源指纹相同 ⇒ 必须走闸门(Nothing),实际 {outcome:?}"
);
// 关键断言:**收据没被重写**(重写 = 走了迁移分支,闸门失效)。
assert_eq!(
temp.read(&format!("config/{RECEIPT_FILE}")),
receipt_before,
"收据被重写了 ⇒ 闸门没拦住重放"
);
// 主配置一个字都没写(闸门那一支只退役旧文件)。
assert!(!temp.exists("config/launcher.json"), "闸门放行时不该建配置");
// 旧文件仍然退役(它是真相源之外的东西,留着只会下次再撞一次)。
assert!(!temp.exists("cache/update/prefs.json"));
// 反证:源文件**变了**(false → true)⇒ 指纹不同 ⇒ 允许重放,收据被更新。
temp.write("cache/update/prefs.json", r#"{"auto_check": true}"#);
let outcome = run(&temp);
assert_eq!(
outcome.as_str(),
"migrated",
"源内容变了就该重放,实际 {outcome:?}"
);
assert_ne!(
temp.read(&format!("config/{RECEIPT_FILE}")),
receipt_before,
"重放要写新收据(指纹变了)"
);
}
/// **`Refused`:主配置不可写时不动旧文件**(唯一有用户数据风险的分支)。
///
/// 造法:主配置的 `$schema` 写成**更高的 minor**(1.7.0 > 1.6.0)⇒ `SchemaCompat` 判
/// `ReadOnlyPreserveSchema` ⇒ `FileAccess::ReadOnly` ⇒ `can_save()` false。
/// 抓得住:把「写不进去」当成「迁完了」(旧文件被改名,用户的值两边都没有了)。
#[test]
fn a_read_only_launcher_config_never_retires_the_legacy_file() {
let temp = TempDir::new("m161-refused");
temp.write(
"config/launcher.json",
&json!({
"$schema": "https://schemas.unlucky-launcher.dev/ull/launcher/1.7.0",
"schemaVersion": 1
})
.to_string(),
);
temp.write("cache/update/prefs.json", r#"{"auto_check": false}"#);
let outcome = run(&temp);
let Migration::Refused { reason } = &outcome else {
panic!("只读主配置必须走 Refused,实际 {outcome:?}");
};
// 拒绝的理由必须是「先看能不能写」这一条(而不是写到一半才发现 `set` 被拒):
// 抓得住把 `can_save()` 守卫删掉这种变异——那条路径的 reason 是「写 update.auto_check 被拒」。
assert!(
reason.contains("不可写"),
"应当在动手前就判定主配置不可写,实际理由:{reason}"
);
// 旧文件原样留着(下一次还能再试)。
assert!(
temp.exists("cache/update/prefs.json"),
"写不进去时**不许**退役旧文件——用户的值不能两边都没有"
);
assert!(
!temp.exists("cache/update/prefs.json.migrated"),
"不许留下「已迁移」的痕迹"
);
// 不写收据(没迁成就不该有收据)。
assert!(!temp.exists(&format!("config/{RECEIPT_FILE}")));
// 主配置一个字都没改(还是那份 1.7.0)。
let text = temp.read("config/launcher.json");
assert!(text.contains("1.7.0"), "{text}");
assert!(!text.contains("auto_check"), "只读文件不许被写:{text}");
}
/// 真 `$schema`(加载不降级才看得到显式值)。
fn schema_url() -> String {
use unlucky_core::setting::keys::launcher_version;
use unlucky_core::setting::schema::{SchemaId, SchemaRef};
SchemaRef::new(SchemaId::LAUNCHER, launcher_version()).url()
}