use rsip::{
    common::{self, uri},
    headers::*,
    message::request::{Request, Tokenizer},
};
use std::convert::TryFrom;

#[test]
fn methods() {
    let uri = uri::Uri {
        scheme: Some(uri::scheme::Scheme::Sips),
        auth: None,
        host_with_port: uri::HostWithPort {
            host: uri::Host::Domain("ss2.biloxi.example.com".into()),
            port: None,
        },
        params: vec![],
        headers: vec![].into(),
    };
    let headers: rsip::headers::Headers = vec![
                Via::new("SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92").into(),
                MaxForwards::new("70").into(),
                From::new("Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH").into(),
                To::new("Bob <sips:bob@biloxi.example.com>").into(),
                CallId::new("1j9FpLxk3uxtm8tn@biloxi.example.com").into(),
                CSeq::new("2 REGISTER").into(),
                Contact::new("<sips:bob@client.biloxi.example.com>").into(),
                Authorization::new("Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"").into(),
                ContentLength::new("0").into(),
            ].into();
    let request = Request {
        method: common::method::Method::Register,
        uri: uri.clone(),
        version: common::version::Version::V2,
        headers: headers.clone(),
        body: vec![1, 2, 3],
    };

    assert_eq!(request.method(), &common::method::Method::Register);
    assert_eq!(request.uri(), &uri);
    assert_eq!(request.version(), &common::version::Version::V2);
    assert_eq!(request.body(), &vec![1, 2, 3]);
    //TODO: how do I test mut signatures (mut_body & mut_headers) ?
    assert_eq!(rsip::message::HasHeaders::headers(&request), &headers);
}

#[test]
fn bytes() {
    assert_eq!(
        Into::<bytes::Bytes>::into(Request {
            method: common::method::Method::Register,
            uri: uri::Uri {
                scheme: Some(uri::scheme::Scheme::Sip),
                auth: None,
                host_with_port: uri::HostWithPort {
                    host: uri::Host::Domain("server.com".into()),
                    port: None
                },
                params: vec![],
                headers: vec![].into()
            },
            version: common::version::Version::V2,
            headers: vec![].into(),
            body: vec![]
        }),
        bytes::Bytes::from(String::from("REGISTER sip:server.com SIP/2.0\r\n\r\n"))
    );
}

mod display {
    use super::*;

    #[test]
    fn display1() {
        assert_eq!(
            Request {
                method: common::method::Method::Register,
                uri: uri::Uri {
                    scheme: Some(uri::scheme::Scheme::Sip),
                    auth: None,
                    host_with_port: uri::HostWithPort {
                        host: uri::Host::Domain("server.com".into()),
                        port: None
                    },
                    params: vec![],
                    headers: vec![].into()
                },
                version: common::version::Version::V2,
                headers: vec![].into(),
                body: vec![]
            }
            .to_string(),
            String::from("REGISTER sip:server.com SIP/2.0\r\n\r\n")
        );
    }

    #[test]
    fn display2() {
        assert_eq!(
            Request {
                method: common::method::Method::Register,
                uri: uri::Uri {
                    scheme: Some(uri::scheme::Scheme::Sips),
                    auth: None,
                    host_with_port: uri::HostWithPort {
                        host: uri::Host::Domain("ss2.biloxi.example.com".into()),
                        port: None
                    },
                    params: vec![],
                    headers: vec![].into()
                },
                version: common::version::Version::V2,
                headers: vec![
                    Via::new("SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92").into(),
                    MaxForwards::new("70").into(),
                    From::new("Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH").into(),
                    To::new("Bob <sips:bob@biloxi.example.com>").into(),
                    CallId::new("1j9FpLxk3uxtm8tn@biloxi.example.com").into(),
                    CSeq::new("2 REGISTER").into(),
                    Contact::new("<sips:bob@client.biloxi.example.com>").into(),
                    Authorization::new("Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"").into(),
                    ContentLength::new("0").into(),
                ].into(),
                body: vec![]
            }.to_string(),
            concat!(
                "REGISTER sips:ss2.biloxi.example.com SIP/2.0\r\n",
                "Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92\r\n",
                "Max-Forwards: 70\r\n",
                "From: Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH\r\n",
                "To: Bob <sips:bob@biloxi.example.com>\r\n",
                "Call-ID: 1j9FpLxk3uxtm8tn@biloxi.example.com\r\n",
                "CSeq: 2 REGISTER\r\n",
                "Contact: <sips:bob@client.biloxi.example.com>\r\n",
                "Authorization: Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"\r\n",
                "Content-Length: 0\r\n\r\n"
            ).to_string()
        );
    }
}

#[test]
fn parser_loop() -> Result<(), rsip::Error> {
    let req: &str = concat!(
                "REGISTER sips:ss2.biloxi.example.com SIP/2.0\r\n",
                "Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92\r\n",
                "Max-Forwards: 70\r\n",
                "From: Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH\r\n",
                "To: Bob <sips:bob@biloxi.example.com>\r\n",
                "Call-ID: 1j9FpLxk3uxtm8tn@biloxi.example.com\r\n",
                "CSeq: 2 REGISTER\r\n",
                "Contact: <sips:bob@client.biloxi.example.com>\r\n",
                "Authorization: Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"\r\n",
                "Content-Length: 0\r\n\r\n"
            );
    let parsed_request = Request::try_from(req.clone().as_bytes())?;
    assert_eq!(req, String::from(parsed_request).as_str());

    Ok(())
}

mod parser {
    use super::*;

    #[test]
    fn parser1() {
        assert_eq!(
            Request::try_from("REGISTER sip:server.com SIP/2.0\r\n\r\n".as_bytes()),
            Ok(Request {
                method: common::method::Method::Register,
                uri: uri::Uri {
                    scheme: Some(uri::scheme::Scheme::Sip),
                    auth: None,
                    host_with_port: uri::HostWithPort {
                        host: uri::Host::Domain("server.com".into()),
                        port: None
                    },
                    params: vec![],
                    headers: vec![].into()
                },
                version: common::version::Version::V2,
                headers: vec![].into(),
                body: vec![]
            }),
        );
    }

    #[test]
    fn parser2() {
        assert_eq!(
            Request::try_from(
                concat!(
                    "REGISTER sips:ss2.biloxi.example.com SIP/2.0\r\n",
                    "Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92\r\n",
                    "Max-Forwards: 70\r\n",
                    "From: Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH\r\n",
                    "To: Bob <sips:bob@biloxi.example.com>\r\n",
                    "Call-ID: 1j9FpLxk3uxtm8tn@biloxi.example.com\r\n",
                    "CSeq: 2 REGISTER\r\n",
                    "Contact: <sips:bob@client.biloxi.example.com>\r\n",
                    "Authorization: Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"\r\n",
                    "Content-Length: 0\r\n\r\n"
                ).as_bytes()
            ),
            Ok(Request {
                method: common::method::Method::Register,
                uri: uri::Uri {
                    scheme: Some(uri::scheme::Scheme::Sips),
                    auth: None,
                    host_with_port: uri::HostWithPort {
                        host: uri::Host::Domain("ss2.biloxi.example.com".into()),
                        port: None
                    },
                    params: vec![],
                    headers: vec![].into()
                },
                version: common::version::Version::V2,
                headers: vec![
                    Via::new("SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92").into(),
                    MaxForwards::new("70").into(),
                    From::new("Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH").into(),
                    To::new("Bob <sips:bob@biloxi.example.com>").into(),
                    CallId::new("1j9FpLxk3uxtm8tn@biloxi.example.com").into(),
                    CSeq::new("2 REGISTER").into(),
                    Contact::new("<sips:bob@client.biloxi.example.com>").into(),
                    Authorization::new("Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"").into(),
                    ContentLength::new("0").into(),
                ].into(),
                body: vec![]
            }),
        );
    }

    #[test]
    fn parser3() {
        assert_eq!(
            Request::try_from(
                concat!(
                    "REGISTER sips:ss2.biloxi.example.com SIP/2.0\r\n",
                    "Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92\r\n",
                    "Max-Forwards: 70\r\n",
                    "From: Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH\r\n",
                    "To: Bob <sips:bob@biloxi.example.com>\r\n",
                    "Call-ID: 1j9FpLxk3uxtm8tn@biloxi.example.com\r\n",
                    "CSeq: 2 REGISTER\r\n",
                    "Contact: <sips:bob@client.biloxi.example.com>\r\n",
                    "Authorization: Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"\r\n",
                    "Content-Length: 0\r\n\r\n",
                    "a simple body\r\n",
                    "and some complex: characters\r\n",
                    "Ok?"
                ).as_bytes()
            ),
            Ok(Request {
                method: common::method::Method::Register,
                uri: uri::Uri {
                    scheme: Some(uri::scheme::Scheme::Sips),
                    auth: None,
                    host_with_port: uri::HostWithPort {
                        host: uri::Host::Domain("ss2.biloxi.example.com".into()),
                        port: None
                    },
                    params: vec![],
                    headers: vec![].into()
                },
                version: common::version::Version::V2,
                headers: vec![
                    Via::new("SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92").into(),
                    MaxForwards::new("70").into(),
                    From::new("Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH").into(),
                    To::new("Bob <sips:bob@biloxi.example.com>").into(),
                    CallId::new("1j9FpLxk3uxtm8tn@biloxi.example.com").into(),
                    CSeq::new("2 REGISTER").into(),
                    Contact::new("<sips:bob@client.biloxi.example.com>").into(),
                    Authorization::new("Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"").into(),
                    ContentLength::new("0").into(),
                ].into(),
                body: concat!(
                    "a simple body\r\n",
                    "and some complex: characters\r\n",
                    "Ok?"
                ).as_bytes().to_vec()
            }),
        );
    }

    #[test]
    fn parser4() {
        assert_eq!(
            Request::try_from(
                concat!(
                    "REGISTER sips:ss2.biloxi.example.com SIP/2.0\r\n",
                    "Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92\r\n",
                    "Max-Forwards: 70\r\n",
                    "From: Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH\r\n",
                    "To: Bob <sips:bob@biloxi.example.com>\r\n",
                    "Call-ID: 1j9FpLxk3uxtm8tn@biloxi.example.com\r\n",
                    "CSeq: 2 REGISTER\r\n",
                    "Contact: <sips:bob@client.biloxi.example.com>\r\n",
                    "Authorization: Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"\r\n",
                    "Content-Length: 0\r\n\r\n",
                    "v=0\r\n",
                    "o=aculab-02360801 2108656133 265635486 IN IP4 185.28.212.6\r\n",
                    "s=-\r\n",
                    "c=IN IP4 192.168.0.13\r\n",
                    "t=0 0\r\n",
                    "m=audio 47580 RTP/AVP 120 0 18 8 9 96\r\n",
                    "c=IN IP4 192.168.0.13\r\n",
                    "a=rtpmap:96 telephone-event/8000\r\n",
                    "a=fmtp:960-15\r\n",
                    "a=ptime:20\r\n",
                    "a=rtpmap:120 OPUS/48000/2\r\n",
                    "a=fmtp:120 minptime=20; maxplaybackrate=16000; maxaveragebitrate=24000; useinbandfec=1\r\n",
                    "a=rtpmap:18 G729/8000\r\n",
                    "a=fmtp:18 annexb=yes\r\n",
                    "a=rtpmap:9 G722/8000\r\n"
                ).as_bytes()
            ),
            Ok(Request {
                method: common::method::Method::Register,
                uri: uri::Uri {
                    scheme: Some(uri::scheme::Scheme::Sips),
                    auth: None,
                    host_with_port: uri::HostWithPort {
                        host: uri::Host::Domain("ss2.biloxi.example.com".into()),
                        port: None
                    },
                    params: vec![],
                    headers: vec![].into()
                },
                version: common::version::Version::V2,
                headers: vec![
                    Via::new("SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92").into(),
                    MaxForwards::new("70").into(),
                    From::new("Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH").into(),
                    To::new("Bob <sips:bob@biloxi.example.com>").into(),
                    CallId::new("1j9FpLxk3uxtm8tn@biloxi.example.com").into(),
                    CSeq::new("2 REGISTER").into(),
                    Contact::new("<sips:bob@client.biloxi.example.com>").into(),
                    Authorization::new("Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"").into(),
                    ContentLength::new("0").into(),
                ].into(),
                body: concat!(
                    "v=0\r\n",
                    "o=aculab-02360801 2108656133 265635486 IN IP4 185.28.212.6\r\n",
                    "s=-\r\n",
                    "c=IN IP4 192.168.0.13\r\n",
                    "t=0 0\r\n",
                    "m=audio 47580 RTP/AVP 120 0 18 8 9 96\r\n",
                    "c=IN IP4 192.168.0.13\r\n",
                    "a=rtpmap:96 telephone-event/8000\r\n",
                    "a=fmtp:960-15\r\n",
                    "a=ptime:20\r\n",
                    "a=rtpmap:120 OPUS/48000/2\r\n",
                    "a=fmtp:120 minptime=20; maxplaybackrate=16000; maxaveragebitrate=24000; useinbandfec=1\r\n",
                    "a=rtpmap:18 G729/8000\r\n",
                    "a=fmtp:18 annexb=yes\r\n",
                    "a=rtpmap:9 G722/8000\r\n"
                ).as_bytes().to_vec()
            }),
        );
    }
}

mod tokenizer {
    use super::*;

    #[test]
    fn tokenizer1() {
        assert_eq!(
            Tokenizer::tokenize("REGISTER sip:server.com SIP/2.0\r\n\r\n".as_bytes()),
            Ok((
                "".as_bytes(),
                Tokenizer {
                    method: "REGISTER".as_bytes().into(),
                    uri: uri::Tokenizer {
                        scheme: Some("sip".as_bytes().into()),
                        auth: None,
                        host_with_port: ("server.com".as_bytes(), None).into(),
                        params: vec![],
                        headers: None,
                        ..Default::default()
                    },
                    version: ("2".as_bytes(), "0".as_bytes()).into(),
                    headers: vec![].into(),
                    body: &[]
                }
            )),
        );
    }

    #[test]
    fn tokenizer2() {
        assert_eq!(
            Tokenizer::tokenize(
                concat!(
                    "REGISTER sips:ss2.biloxi.example.com SIP/2.0\r\n",
                    "Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92\r\n",
                    "Max-Forwards: 70\r\n",
                    "From: Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH\r\n",
                    "To: Bob <sips:bob@biloxi.example.com>\r\n",
                    "Call-ID: 1j9FpLxk3uxtm8tn@biloxi.example.com\r\n",
                    "CSeq: 2 REGISTER\r\n",
                    "Contact: <sips:bob@client.biloxi.example.com>\r\n",
                    "Authorization: Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"\r\n",
                    "Content-Length: 0\r\n\r\n"
                ).as_bytes()
            ),
            Ok((
                "".as_bytes(),
                Tokenizer {
                    method: "REGISTER".as_bytes().into(),
                    uri: uri::Tokenizer {
                        scheme: Some("sips".as_bytes().into()),
                        auth: None,
                        host_with_port: ("ss2.biloxi.example.com".as_bytes(), None).into(),
                        params: vec![],
                        headers: None,
                        ..Default::default()
                    },
                    version: ("2".as_bytes(), "0".as_bytes()).into(),
                    headers: vec![
                        ("Via".as_bytes(), "SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92".as_bytes()).into(),
                        ("Max-Forwards".as_bytes(), "70".as_bytes()).into(),
                        ("From".as_bytes(), "Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH".as_bytes()).into(),
                        ("To".as_bytes(), "Bob <sips:bob@biloxi.example.com>".as_bytes()).into(),
                        ("Call-ID".as_bytes(), "1j9FpLxk3uxtm8tn@biloxi.example.com".as_bytes()).into(),
                        ("CSeq".as_bytes(), "2 REGISTER".as_bytes()).into(),
                        ("Contact".as_bytes(), "<sips:bob@client.biloxi.example.com>".as_bytes()).into(),
                        ("Authorization".as_bytes(), "Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"".as_bytes()).into(),
                        ("Content-Length".as_bytes(), "0".as_bytes()).into(),
                    ],
                    body: &[]
                }
            )),
        );
    }

    #[test]
    fn tokenizer3() {
        assert!(Tokenizer::tokenize("SIP/2.0 401 Unauthorized\r\n\r\n".as_bytes()).is_err());
    }
}

mod errors {
    use super::*;

    #[test]
    fn method_parser_error() -> Result<(), rsip::Error> {
        let req: &str = concat!(
                    "REGISTE sips:ss2.biloxi.example.com SIP/2.0\r\n",
                    "Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92\r\n",
                    "Max-Forwards: 70\r\n",
                    "From: Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH\r\n",
                    "To: Bob <sips:bob@biloxi.example.com>\r\n",
                    "Call-ID: 1j9FpLxk3uxtm8tn@biloxi.example.com\r\n",
                    "CSeq: 2 REGISTER\r\n",
                    "Contact: <sips:bob@client.biloxi.example.com>\r\n",
                    "Authorization: Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"\r\n",
                    "Content-Length: 0\r\n\r\n"
                );
        let parsed_request = Request::try_from(req.clone().as_bytes());
        match parsed_request {
            Err(rsip::Error::ParseError(inner)) if inner.contains("invalid method: REGISTE") => {
                Ok(())
            }
            _ => panic!(
                "unexpected result, should have failed! {:?}",
                parsed_request
            ),
        }
    }
    /*
    #[test]
    fn url_parser_error() -> Result<(), rsip::Error> {
        use rsip::message::HeadersExt;

        let req: &str = concat!(
                    "REGISTER sips:ss2.biloxi.example.comSIP/2.0\r\n",
                    "Via: SIP/2.0/TLS client.biloxi.example.com:5061;branch=z9hG4bKnashd92\r\n",
                    "Max-Forwards: 70\r\n",
                    "From: Bob <sips:bob@biloxi.example.com>;tag=ja743ks76zlflH\r\n",
                    "To: Bob <sips:bob@biloxi.example.com>\r\n",
                    "Call-ID: 1j9FpLxk3uxtm8tn@biloxi.example.com\r\n",
                    "CSeq: 2 REGISTER\r\n",
                    "Contact: <sips:bob@client.biloxi.example.com>\r\n",
                    "Authorization: Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"\r\n",
                    "Content-Length: 0\r\n\r\n"
                );
        let parsed_request = Request::try_from(req.clone().as_bytes());
        assert!(parsed_request.is_ok(), "{:?}", parsed_request);

        /*
        match parsed_request {
            Err(rsip::Error::ParseError(inner)) if inner.contains("invalid method `REGISTE`") => {
                Ok(())
            }
            _ => panic!("unexpected result: {:?}", parsed_request),
        }*/

        Ok(())
    }*/

    #[test]
    fn headers_tokenizer_error() -> Result<(), rsip::Error> {
        let req: &str = concat!(
                    "REGISTER sips:ss2.biloxi.example.com SIP/2.0\r\n",
                    "Authorization Digest username=\"bob\", realm=\"atlanta.example.com\" nonce=\"ea9c8e88df84f1cec4341ae6cbe5a359\", opaque=\"\" uri=\"sips:ss2.biloxi.example.com\", response=\"dfe56131d1958046689d83306477ecc\"\r\n",
                    "Content-Length: 0\r\n\r\n"
                );
        let parsed_request = Request::try_from(req.clone().as_bytes());
        match parsed_request {
            Err(rsip::Error::TokenizeError(inner))
                if inner.contains("failed to tokenize headers") =>
            {
                Ok(())
            }
            _ => panic!("unexpected result: {:?}", parsed_request),
        }
    }
}