rmcl 0.6.2

A fully featured Minecraft TUI launcher
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// SPDX-FileCopyrightText: 2026 Constantin Bauer
// SPDX-License-Identifier: GPL-3.0-only

use super::*;

#[test]
fn instance_paths_use_visible_directories() {
    let paths = InstancePaths::new("/instances/example");
    assert_eq!(
        paths.minecraft(),
        PathBuf::from("/instances/example/minecraft")
    );
    assert_eq!(
        paths.content_manifest(),
        PathBuf::from("/instances/example/rmcl/content/manifest.json")
    );
    assert_eq!(
        paths.local_config(),
        PathBuf::from("/instances/example/rmcl/content/config")
    );
}

#[test]
fn metadata_paths_separate_state_and_cache() {
    let paths = MetadataPaths::new("/meta");
    assert_eq!(paths.profiles(), PathBuf::from("/meta/state/profiles"));
    assert_eq!(
        paths.provider_icons("modrinth"),
        PathBuf::from("/meta/cache/providers/modrinth/icons")
    );
    assert_eq!(
        paths.versions(),
        PathBuf::from("/meta/cache/minecraft/versions")
    );
    assert_eq!(
        paths.java_installations(),
        PathBuf::from("/meta/cache/java/installations.json")
    );
    assert_eq!(
        paths.migration_journal(),
        PathBuf::from("/meta/state/migration.json")
    );
}

#[test]
fn disposable_cache_cleanup_preserves_runtime_metadata() {
    let temp = tempfile::tempdir().unwrap();
    let paths = MetadataPaths::new(temp.path());
    std::fs::create_dir_all(paths.provider_icons("modrinth")).unwrap();
    std::fs::create_dir_all(paths.java_installations().parent().unwrap()).unwrap();
    std::fs::create_dir_all(paths.temporary()).unwrap();
    std::fs::create_dir_all(paths.versions()).unwrap();
    std::fs::write(paths.java_installations(), "[]").unwrap();

    clear_disposable_caches(temp.path()).unwrap();

    assert!(!paths.cache().join("providers").exists());
    assert!(!paths.cache().join("java").exists());
    assert!(paths.temporary().exists());
    assert!(paths.versions().exists());
}

#[test]
fn atomic_write_replaces_existing_file() {
    let temp = tempfile::tempdir().unwrap();
    let path = temp.path().join("state.json");
    std::fs::write(&path, b"old").unwrap();
    write_atomic(&path, b"new").unwrap();
    assert_eq!(std::fs::read(path).unwrap(), b"new");
}

#[test]
fn failed_atomic_replacement_keeps_the_destination_and_removes_staging() {
    let temp = tempfile::tempdir().unwrap();
    let path = temp.path().join("state.json");
    std::fs::create_dir(&path).unwrap();
    std::fs::write(path.join("keep"), b"old").unwrap();

    assert!(write_atomic(&path, b"new").is_err());
    assert_eq!(std::fs::read(path.join("keep")).unwrap(), b"old");
    assert_eq!(std::fs::read_dir(temp.path()).unwrap().count(), 1);
}

#[cfg(unix)]
#[test]
fn private_atomic_writes_keep_credentials_owner_only() {
    use std::os::unix::fs::PermissionsExt;
    let temp = tempfile::tempdir().unwrap();
    let path = temp.path().join("accounts.json");
    std::fs::write(&path, b"old").unwrap();
    std::fs::set_permissions(&path, std::fs::Permissions::from_mode(0o644)).unwrap();
    write_atomic_private(&path, b"new").unwrap();
    assert_eq!(
        std::fs::metadata(&path).unwrap().permissions().mode() & 0o777,
        0o600
    );
}