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use super::shared_internal::*;
use failure::Error;
use futures_io::AsyncRead;
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct AuthMethodNegotiationRequest {
pub methods: Vec<u8>,
}
impl AuthMethodNegotiationRequest {
pub async fn read<AR>(reader: &mut AR) -> Result<Self, Error>
where
AR: AsyncRead + Unpin,
{
read_version(reader).await?;
let nmethods = read_u8(reader).await?;
let methods = read_vec(reader, nmethods as usize).await?;
Ok(Self { methods })
}
}
#[cfg(test)]
mod test {
use super::*;
use crate::test_util::*;
use futures_util::io::Cursor;
#[test]
fn happy_path() {
let mut reader = Cursor::new(&[
5,
2,
0xBE, 0xEF,
]);
let future = AuthMethodNegotiationRequest::read(&mut reader);
let result = extract_future_output(future);
assert_eq!(
result.unwrap(),
AuthMethodNegotiationRequest {
methods: vec![0xBE, 0xEF]
}
)
}
#[test]
fn invalid_version() {
let mut reader = Cursor::new(&[1]);
let future = AuthMethodNegotiationRequest::read(&mut reader);
let result = extract_future_output(future);
let err = result.unwrap_err();
let err = err
.downcast::<crate::error::InvalidProtocolVersionError>()
.unwrap();
assert_eq!(err, crate::error::InvalidProtocolVersionError(1))
}
#[test]
fn not_enough_data() {
let mut reader = Cursor::new(&[]);
let future = AuthMethodNegotiationRequest::read(&mut reader);
let result = extract_future_output(future);
let err = result.unwrap_err();
let err = err.downcast::<std::io::Error>().unwrap();
assert_eq!(err.kind(), std::io::ErrorKind::UnexpectedEof);
}
}