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Unlucky-Launcher/crates/cli/tests/adopt_test.rs
T
AskaEth a5d1dec495
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release: v0.2.4 里程碑快照(孤儿提交,无父;树 = dev 68362e5)
本批内容见 CHANGELOG.md 的 0.2.4 段。按 D41 用孤儿快照推 main,保留「公开史只有里程碑」的模型。
2026-11-11 21:41:38 +08:00

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//! M221 CLI 端到端:`ull instances scan` / `ull instances adopt` 的真实入口(解析 → 执行 → 两条输出)。
//!
//! 用的都是**真磁盘**数据根(`support::TempDir`)+ 一份「别的启动器铺好的」`.minecraft`。
//! 每条用例都断言外部文件哈希/mtime 不变(`fixture::assert_unchanged`),
//! 因为「只登记不搬文件」是本 mission 的核心承诺。
#[path = "adopt_test/cli_surface.rs"]
mod cli_surface;
#[path = "adopt_test/collision_cases.rs"]
mod collision_cases;
#[path = "adopt_test/fixture.rs"]
mod fixture;
#[path = "support/mod.rs"]
mod support;
use std::path::Path;
use support::{parse_json, run_cli, TempDir};
use crate::fixture::{assert_unchanged, foreign_data_root, snapshot, snapshot_opt, Node};
/// 缺省登记:落 ULL 数据区的独立目录,隔离档 `custom`,**不沿用全局 `isolated`**。
///
/// 抓得住:
/// - 缺省沿用全局 `isolated`(运行目录会变成 `versions/1.20.1`,第二条断言会红)——
/// 这是本 mission 点名的最容易漏的一条;
/// - 命令只登记不输出(`--json` 缺 `instance`);
/// - 登记过程写了外部 `.minecraft`(哈希断言)。
///
/// 抓不住:GUI 是否也能触发同一条路(GUI 接线是后续 mission)。
#[test]
fn adopt_without_isolation_uses_a_separate_run_dir_and_keeps_global_isolated_out_of_it() {
let dir = TempDir::new("adopt-default");
let root = dir.path();
foreign_data_root(root);
// 全局档显式写成 isolated(D20 的缺省):登记**不许**继承它去踩别人的版本目录。
set_global_isolated(&dir);
let minecraft = root.join(".minecraft");
let before = snapshot(&minecraft);
let (code, stdout, stderr) = run_cli(&[
"instances",
"adopt",
"1.20.1",
"--json",
"--data-dir",
&dir.arg(),
]);
assert_eq!(code, 0, "stdout={stdout}\nstderr={stderr}");
let after = snapshot(&minecraft);
assert_unchanged(&before, &after, "adopt 之后");
let value = parse_json(&stdout);
let instance = &value["data"]["instance"];
assert_eq!(instance["isolation"], "custom");
assert_eq!(instance["run_dir_source"], "instance_dir");
let run_dir = instance["run_dir"].as_str().expect("run_dir");
assert!(
run_dir.contains("instances"),
"缺省运行目录应落 ULL 数据区:{run_dir}"
);
assert!(
!Path::new(run_dir).starts_with(&minecraft),
"缺省运行目录不许落进别人的 .minecraft:{run_dir}"
);
assert!(
!run_dir.ends_with("versions/1.20.1") && !run_dir.ends_with("versions\\1.20.1"),
"不许沿用全局 isolated 的 versions/<id>:{run_dir}"
);
assert_eq!(instance["created"], true);
// 再走一次 `instances list`:档案真的进去了(不是只写了实例文件)。
let (code, stdout, _) = run_cli(&["instances", "list", "--json", "--data-dir", &dir.arg()]);
assert_eq!(code, 0);
let listed = parse_json(&stdout);
assert_eq!(listed["data"]["instances"][0]["version_id"], "1.20.1");
assert_eq!(listed["data"]["instances"][0]["version_present"], true);
}
/// 登记之后 `launch --dry-run` 的 `--gameDir` 就是选定的运行目录(本 mission 的功能落点)。
///
/// 抓得住:登记把隔离档写错(`inherit`)⇒ 启动派生坚持全局 `isolated`,`game_dir` 变成
/// `versions/1.20.1`(第二条断言会红);`gameDir` 没进启动计划。
/// 抓不住:真进程是否真的用这个 CWD(要真跑游戏,本 mission 不跑)。
#[test]
fn the_launch_plan_points_game_dir_at_the_chosen_run_dir() {
let dir = TempDir::new("adopt-launch");
let root = dir.path();
foreign_data_root(root);
set_global_isolated(&dir);
let (code, stdout, stderr) = run_cli(&[
"instances",
"adopt",
"1.20.1",
"--json",
"--data-dir",
&dir.arg(),
]);
assert_eq!(code, 0, "stdout={stdout}\nstderr={stderr}");
let adopted = parse_json(&stdout);
let run_dir = adopted["data"]["instance"]["run_dir"]
.as_str()
.expect("run_dir")
.to_string();
let instance_id = adopted["data"]["instance"]["id"]
.as_str()
.expect("instance id")
.to_string();
let dir_arg = dir.arg();
let args = [
"launch",
instance_id.as_str(),
"--dry-run",
"--json",
"--data-dir",
dir_arg.as_str(),
];
let (code, stdout, stderr) = run_cli(&args);
assert_eq!(code, 0, "stdout={stdout}\nstderr={stderr}");
let plan = parse_json(&stdout);
assert_eq!(plan["data"]["game_dir"], run_dir.as_str());
assert_eq!(plan["data"]["isolation"], "custom");
assert_eq!(plan["data"]["isolation_source"], "instance");
let command = plan["data"]["argv"]
.as_array()
.expect("启动计划里应有 argv");
let game_dir_flag = command
.windows(2)
.find(|pair| pair[0].as_str() == Some("--gameDir"))
.map(|pair| pair[1].as_str().unwrap_or_default().to_string())
.expect("命令行里应有 --gameDir");
// `argv` 是**脱敏后**的(主目录 → `<home>`,见 `core::launch::redact`),所以比尾段而不是全等;
// 全等的那条断言在 `data.game_dir` 上(那是未脱敏的权威值)。
let tail = format!(
"instances/{}",
Path::new(&run_dir)
.file_name()
.expect("运行目录名")
.to_string_lossy()
);
assert!(
game_dir_flag.ends_with(&tail) || game_dir_flag.ends_with(&tail.replace('/', "\\")),
"--gameDir 必须指向选定的运行目录:{game_dir_flag} 应以 {tail} 结尾"
);
}
/// `--isolation shared`:明确选共享 ⇒ 运行目录 = 别人的游戏根,**人读输出必须说出后果**。
///
/// 抓得住:shared 档没有告知(stdout 里没有「共用」)、shared 被写成 custom + 自己的目录、
/// 登记往游戏根写文件(哈希断言)。
/// 抓不住:用户是否真的看见这句(UI 验收另说)。
#[test]
fn shared_isolation_states_the_consequence_in_human_output() {
let dir = TempDir::new("adopt-shared");
let root = dir.path();
foreign_data_root(root);
let minecraft = root.join(".minecraft");
let before = snapshot(&minecraft);
let (code, stdout, stderr) = run_cli(&[
"instances",
"adopt",
"1.20.1",
"--isolation",
"shared",
"--data-dir",
&dir.arg(),
]);
assert_eq!(code, 0, "stdout={stdout}\nstderr={stderr}");
let after = snapshot(&minecraft);
assert_unchanged(&before, &after, "shared 登记之后");
assert!(
stdout.contains("共用"),
"必须说出「共用别人的 .minecraft」:{stdout}"
);
assert!(stdout.contains("一个字节都没动"), "{stdout}");
}
/// `--dry-run`:只检查不写盘(连配置目录都不建)。
///
/// 抓得住:`--dry-run` 真的写了档案或建了运行目录(快照会红)。
/// 抓不住:`--dry-run` 有没有顺带读了不该读的东西。
#[test]
fn dry_run_writes_nothing() {
let dir = TempDir::new("adopt-dry");
let root = dir.path();
foreign_data_root(root);
let before = snapshot(root);
// 判据强度自检(R5):快照必须含**目录**节点,否则「凭空建个空目录」看不出来。
assert!(
matches!(before.get(".minecraft"), Some(Node::Dir { .. })),
"快照缺少目录节点:{:?}",
before.get(".minecraft")
);
assert!(
before.contains_key(".minecraft/versions"),
"快照缺少 versions 目录节点"
);
let (code, stdout, stderr) = run_cli(&[
"instances",
"adopt",
"1.20.1",
"--dry-run",
"--data-dir",
&dir.arg(),
]);
assert_eq!(code, 0, "stdout={stdout}\nstderr={stderr}");
let after = snapshot(root);
assert_unchanged(&before, &after, "--dry-run 之后");
// `--dry-run` 连 `.ULL` 这个**空目录**都不许建(存在性判据用 `snapshot_opt`)。
assert!(
snapshot_opt(&root.join(".ULL")).is_none(),
"--dry-run 不该建配置目录"
);
assert!(stdout.contains("检查通过"), "{stdout}");
assert!(stdout.contains("没有写任何文件"), "{stdout}");
}
/// 坏的版本(缺父)⇒ 退出码 1,`--json` 里带**逐条**问题码。
///
/// 抓得住:不合格版本被登记成功(退出码变 0)、问题码被折叠成一句散文(`detail.problems` 缺项)。
/// 抓不住:用户在原来的启动器里修好之后重试(自然覆盖)。
#[test]
fn not_adoptable_version_exits_one_with_structured_problems() {
let dir = TempDir::new("adopt-refuse");
let root = dir.path();
foreign_data_root(root);
let before = snapshot(root);
let (code, stdout, _) = run_cli(&[
"instances",
"adopt",
"1.20.1-orphan",
"--json",
"--data-dir",
&dir.arg(),
]);
assert_eq!(code, 1, "{stdout}");
let value = parse_json(&stdout);
assert_eq!(value["ok"], false);
assert_eq!(value["error"]["code"], "adopt_not_adoptable");
assert_eq!(
value["error"]["detail"]["problems"][0]["code"],
"missing_parent"
);
let after = snapshot(root);
assert_unchanged(&before, &after, "失败之后");
}
/// 重复登记 ⇒ 退出码 1 + 无副作用(档案逐字节不变)。
///
/// 抓得住:重复登记当成功(退出码 0)或失败时改了档案。
/// 抓不住:并发两次登记(没有锁;这不是并发入口)。
#[test]
fn repeating_the_same_adopt_exits_one_without_side_effects() {
let dir = TempDir::new("adopt-repeat");
let root = dir.path();
foreign_data_root(root);
let (code, _, stderr) = run_cli(&["instances", "adopt", "1.20.1", "--data-dir", &dir.arg()]);
assert_eq!(code, 0, "{stderr}");
let config = root.join(".ULL/config");
let before = snapshot(&config);
let (code, stdout, _) = run_cli(&[
"instances",
"adopt",
"1.20.1",
"--json",
"--data-dir",
&dir.arg(),
]);
assert_eq!(code, 1, "{stdout}");
assert_eq!(
parse_json(&stdout)["error"]["code"],
"adopt_already_registered"
);
let after = snapshot(&config);
assert_unchanged(&before, &after, "重复登记失败之后");
}
/// `instances scan`:只读列出候选,坏版本逐条给原因。
///
/// 抓得住:扫描变成空列表(那是本 mission 点名不许的行为)、坏版本被静默跳过、
/// 扫描写了文件。
/// 抓不住:真实 `.minecraft` 里那些平台特有的怪目录(夹具只覆盖已知形状)。
#[test]
fn scan_lists_candidates_and_reasons_without_writing() {
let dir = TempDir::new("adopt-scan");
let root = dir.path();
foreign_data_root(root);
let before = snapshot(root);
let (code, stdout, stderr) =
run_cli(&["instances", "scan", "--json", "--data-dir", &dir.arg()]);
assert_eq!(code, 0, "stdout={stdout}\nstderr={stderr}");
let after = snapshot(root);
assert_unchanged(&before, &after, "scan 之后");
let value = parse_json(&stdout);
assert_eq!(value["data"]["counts"]["total"], 2);
assert_eq!(value["data"]["counts"]["adoptable"], 1);
let candidates = value["data"]["candidates"].as_array().expect("candidates");
let ok = candidates
.iter()
.find(|item| item["version_id"] == "1.20.1")
.expect("有 1.20.1");
assert_eq!(ok["adoptable"], true);
assert_eq!(ok["jar_present"], true);
let orphan = candidates
.iter()
.find(|item| item["version_id"] == "1.20.1-orphan")
.expect("有 1.20.1-orphan");
assert_eq!(orphan["adoptable"], false);
assert_eq!(orphan["problems"][0]["code"], "missing_parent");
}
/// 把全局隔离档设成 `isolated`(走 schema 校验的正式入口,不手写 launcher.json)。
fn set_global_isolated(dir: &TempDir) {
let dir_arg = dir.arg();
let (code, _, stderr) = run_cli(&[
"config",
"set",
"instances.mode",
"isolated",
"--data-dir",
dir_arg.as_str(),
]);
assert_eq!(code, 0, "设置全局隔离档失败:{stderr}");
}