fn test_into_request_line()

in src/request.rs [367:441]

• 57 lines of code
• 1 McCabe index (conditional complexity)

    fn test_into_request_line() {
        let expected_request_line = RequestLine {
            http_version: Version::Http10,
            method: Method::Get,
            uri: Uri::new("http://localhost/home"),
        };

        let request_line = b"GET http://localhost/home HTTP/1.0";
        assert_eq!(
            RequestLine::try_from(request_line).unwrap(),
            expected_request_line
        );

        let expected_request_line = RequestLine {
            http_version: Version::Http11,
            method: Method::Get,
            uri: Uri::new("http://localhost/home"),
        };

        // Happy case with request line ending in CRLF.
        let request_line = b"GET http://localhost/home HTTP/1.1";
        assert_eq!(
            RequestLine::try_from(request_line).unwrap(),
            expected_request_line
        );

        // Happy case with request line ending in LF instead of CRLF.
        let request_line = b"GET http://localhost/home HTTP/1.1";
        assert_eq!(
            RequestLine::try_from(request_line).unwrap(),
            expected_request_line
        );

        // Test for invalid request missing the separator.
        let request_line = b"GET";
        assert_eq!(
            RequestLine::try_from(request_line).unwrap_err(),
            RequestError::InvalidRequest
        );

        // Test for invalid method.
        let request_line = b"POST http://localhost/home HTTP/1.0";
        assert_eq!(
            RequestLine::try_from(request_line).unwrap_err(),
            RequestError::InvalidHttpMethod("Unsupported HTTP method.")
        );

        // Test for invalid uri.
        let request_line = b"GET  HTTP/1.0";
        assert_eq!(
            RequestLine::try_from(request_line).unwrap_err(),
            RequestError::InvalidUri("Empty URI not allowed.")
        );

        // Test for invalid HTTP version.
        let request_line = b"GET http://localhost/home HTTP/2.0";
        assert_eq!(
            RequestLine::try_from(request_line).unwrap_err(),
            RequestError::InvalidHttpVersion("Unsupported HTTP version.")
        );

        // Test for invalid format with no method, uri or version.
        let request_line = b"nothing";
        assert_eq!(
            RequestLine::try_from(request_line).unwrap_err(),
            RequestError::InvalidRequest
        );

        // Test for invalid format with no version.
        let request_line = b"GET /";
        assert_eq!(
            RequestLine::try_from(request_line).unwrap_err(),
            RequestError::InvalidRequest
        );
    }