use super::*; #[test]fn parse_version() {    assert_eq!(git_version_from_bytes(b"git version 2.37.2").unwrap(), (2, 37, 2));    assert_eq!(        git_version_from_bytes(b"git version 2.32.1 (Apple Git-133)").unwrap(),        (2, 32, 1)    );} #[test]fn parse_version_with_trailing_newline() {    assert_eq!(git_version_from_bytes(b"git version 2.37.2\n").unwrap(), (2, 37, 2));} const SCOPE_ENV_VALUE: &str = "gitconfig"; fn populate_ad_hoc_config_files(dir: &Path) {    const CONFIG_DATA: &[u8] = b"[foo]\n\tbar = baz\n";     let paths: &[PathBuf] = if cfg!(windows) {        let unc_literal_nul = dir.canonicalize().expect("directory exists").join("nul");        &[dir.join(SCOPE_ENV_VALUE), dir.join("-"), unc_literal_nul]    } else {        &[dir.join(SCOPE_ENV_VALUE), dir.join("-"), dir.join(":")]    };    // Create the files.    for path in paths {        std::fs::write(path, CONFIG_DATA).expect("can write contents");    }    // Verify the files. This is mostly to show we really made a `\\?\...\nul` on Windows.    for path in paths {        let buf = std::fs::read(path).expect("the file really exists");        assert_eq!(buf, CONFIG_DATA, "{path:?} should be a config file");    }} #[test]fn configure_command_clears_external_config() {    let temp = tempfile::TempDir::new().expect("can create temp dir");    populate_ad_hoc_config_files(temp.path());     let mut cmd = std::process::Command::new(GIT_PROGRAM);    cmd.env("GIT_CONFIG_SYSTEM", SCOPE_ENV_VALUE);    cmd.env("GIT_CONFIG_GLOBAL", SCOPE_ENV_VALUE);    configure_command(        &mut cmd,        gix_hash::Kind::default(),        ["config", "-l", "--show-origin"],        temp.path(),    );     let output = cmd.output().expect("can run git");    let lines: Vec<_> = output        .stdout        .to_str()        .expect("valid UTF-8")        .lines()        .filter(|line| !line.starts_with("command line:\t"))        .collect();    let status = output.status.code().expect("terminated normally");    assert_eq!(lines, Vec::<&str>::new(), "should be no config variables from files");    assert_eq!(status, 0, "reading the config should succeed");} #[test]#[cfg(windows)]fn bash_program_ok_for_platform() {    let path = bash_program();    assert!(path.is_absolute());     let for_version = std::process::Command::new(path)        .arg("--version")        .output()        .expect("can pass it `--version`");    assert!(for_version.status.success(), "passing `--version` succeeds");    let version_line = for_version        .stdout        .lines()        .nth(0)        .expect("`--version` output has first line");    assert!(        version_line.ends_with(b"-pc-msys)"), // On Windows, "-pc-linux-gnu)" would be WSL.        "it is an MSYS bash (such as Git Bash)"    );     let for_uname_os = std::process::Command::new(path)        .args(["-c", "uname -o"])        .output()        .expect("can tell it to run `uname -o`");    assert!(for_uname_os.status.success(), "telling it to run `uname -o` succeeds");    assert_eq!(        for_uname_os.stdout.trim_end(),        b"Msys",        "it runs commands in an MSYS environment"    );} #[test]#[cfg(not(windows))]fn bash_program_ok_for_platform() {    assert_eq!(bash_program(), Path::new("bash"));} #[test]fn bash_program_unix_path() {    let path = bash_program()        .to_str()        .expect("This test depends on the bash path being valid Unicode");    assert!(        !path.contains('\\'),        "The path to bash should have no backslashes, barring very unusual environments"    );} fn is_rooted_relative(path: impl AsRef<Path>) -> bool {    let p = path.as_ref();    p.is_relative() && p.has_root()} #[test]#[cfg(windows)]fn unix_style_absolute_is_rooted_relative() {    assert!(is_rooted_relative("/bin/bash"), "can detect paths like /bin/bash");} #[test]fn bash_program_absolute_or_unrooted() {    let bash = bash_program();    assert!(!is_rooted_relative(bash), "{bash:?}");}