fn test_parse_header_whitespace()

in src/common/headers.rs [703:748]

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

    fn test_parse_header_whitespace() {
        let mut header = Headers::default();
        // Test that any number of whitespace characters are accepted before the header value.
        // For Content-Length
        assert!(header.parse_header_line(b"Content-Length:24").is_ok());
        assert!(header.parse_header_line(b"Content-Length:   24").is_ok());

        // For ContentType
        assert!(header
            .parse_header_line(b"Content-Type:application/json")
            .is_ok());
        assert!(header
            .parse_header_line(b"Content-Type:    application/json")
            .is_ok());

        // For Accept
        assert!(header.parse_header_line(b"Accept:application/json").is_ok());
        assert!(header
            .parse_header_line(b"Accept:  application/json")
            .is_ok());

        // For Transfer-Encoding
        assert!(header
            .parse_header_line(b"Transfer-Encoding:chunked")
            .is_ok());
        assert!(header.chunked());
        assert!(header
            .parse_header_line(b"Transfer-Encoding:    chunked")
            .is_ok());
        assert!(header.chunked());

        // For Server
        assert!(header.parse_header_line(b"Server:xxx.yyy.zzz").is_ok());
        assert!(header.parse_header_line(b"Server:   xxx.yyy.zzz").is_ok());

        // For Expect
        assert!(header.parse_header_line(b"Expect:100-continue").is_ok());
        assert!(header.parse_header_line(b"Expect:    100-continue").is_ok());

        // Test that custom headers' names and values are trimmed before being stored
        // inside the HashMap.
        assert!(header.parse_header_line(b"Foo:bar").is_ok());
        assert_eq!(header.custom_entries().get("Foo").unwrap(), "bar");
        assert!(header.parse_header_line(b"  Bar  :  foo  ").is_ok());
        assert_eq!(header.custom_entries().get("Bar").unwrap(), "foo");
    }