use git_url::Scheme; fn assert_url_and(url: &str, expected: git_url::Url) -> Result<git_url::Url, crate::Error> {    assert_eq!(git_url::parse(url.as_bytes())?, expected);    Ok(expected)} fn assert_url_roundtrip(url: &str, expected: git_url::Url) -> crate::Result {    assert_eq!(assert_url_and(url, expected)?.to_string(), url);    Ok(())} fn assert_failure(url: &str, expected_err: &str) {    assert_eq!(git_url::parse(url.as_bytes()).unwrap_err().to_string(), expected_err);} fn url(    protocol: Scheme,    user: impl Into<Option<&'static str>>,    host: impl Into<Option<&'static str>>,    port: impl Into<Option<u16>>,    path: &'static [u8],) -> git_url::Url {    git_url::Url {        scheme: protocol,        user: user.into().map(Into::into),        host: host.into().map(Into::into),        port: port.into(),        path: path.into(),    }} mod file;mod invalid;mod ssh;mod http {    use crate::parse::{assert_url_roundtrip, url};    use git_url::Scheme;     #[test]    fn username_expansion_is_unsupported() -> crate::Result {        assert_url_roundtrip(            "http://example.com/~byron/hello",            url(Scheme::Http, None, "example.com", None, b"/~byron/hello"),        )    }    #[test]    fn secure() -> crate::Result {        assert_url_roundtrip(            "https://github.com/byron/gitoxide",            url(Scheme::Https, None, "github.com", None, b"/byron/gitoxide"),        )    }}mod git {    use crate::parse::{assert_url_roundtrip, url};    use git_url::Scheme;     #[test]    fn username_expansion_with_username() -> crate::Result {        assert_url_roundtrip(            "git://example.com/~byron/hello",            url(Scheme::Git, None, "example.com", None, b"/~byron/hello"),        )    }}