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use rama_http_types::HeaderName;
derive_non_empty_flat_csv_header! {
#[header(name = ACCESS_CONTROL_REQUEST_HEADERS, sep = Comma)]
#[derive(Clone, Debug)]
/// `Access-Control-Request-Headers` header, as defined on
/// [mdn](https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Access-Control-Request-Headers).
///
/// The `Access-Control-Request-Headers` header indicates which headers will
/// be used in the actual request as part of the preflight request.
/// during the actual request.
///
/// # ABNF
///
/// ```text
/// Access-Control-Allow-Headers: "Access-Control-Allow-Headers" ":" #field-name
/// ```
///
/// # Example values
/// * `accept-language, date`
///
/// # Examples
///
/// ```
/// # fn main() {
/// use rama_utils::collections::non_empty_vec;
/// use rama_http_types::header::{CONTENT_LENGTH, ETAG};
/// use rama_http_headers::AccessControlRequestHeaders;
///
/// let expose = AccessControlRequestHeaders(
/// non_empty_vec![CONTENT_LENGTH, ETAG],
/// );
/// # }
/// ```
pub struct AccessControlRequestHeaders(pub NonEmptyVec<HeaderName>);
}
#[cfg(test)]
mod tests {
use super::super::{test_decode, test_encode};
use super::*;
use rama_utils::collections::non_empty_vec;
#[test]
fn decode_header_single() {
let AccessControlRequestHeaders(allow_headers) = test_decode(&["foo, bar"]).unwrap();
assert_eq!(allow_headers.len(), 2);
assert_eq!(allow_headers[0], "foo");
assert_eq!(allow_headers[1], "bar");
}
#[test]
fn decode_header_multi() {
let AccessControlRequestHeaders(allow_headers) = test_decode(&["foo, bar", "baz"]).unwrap();
assert_eq!(allow_headers.len(), 3);
assert_eq!(allow_headers[0], "foo");
assert_eq!(allow_headers[1], "bar");
assert_eq!(allow_headers[2], "baz");
}
#[test]
fn encode() {
let allow = AccessControlRequestHeaders(non_empty_vec![
::rama_http_types::header::CACHE_CONTROL,
::rama_http_types::header::IF_RANGE,
]);
let headers = test_encode(allow);
assert_eq!(
headers["access-control-request-headers"],
"cache-control, if-range"
);
}
#[test]
fn decode_with_empty_header_value() {
assert!(test_decode::<AccessControlRequestHeaders>(&[""]).is_none());
}
#[test]
fn decode_with_no_headers() {
assert!(test_decode::<AccessControlRequestHeaders>(&[]).is_none());
}
#[test]
fn decode_with_invalid_value_str() {
assert!(test_decode::<AccessControlRequestHeaders>(&["foo foo, bar"]).is_none());
}
}