avantgardnerio commented on code in PR #2211:
URL: https://github.com/apache/arrow-rs/pull/2211#discussion_r933381161
##########
arrow-flight/examples/flight_sql_server.rs:
##########
@@ -41,6 +43,52 @@ pub struct FlightSqlServiceImpl {}
#[tonic::async_trait]
impl FlightSqlService for FlightSqlServiceImpl {
type FlightService = FlightSqlServiceImpl;
+
+ async fn do_handshake(
+ &self,
+ request: Request<Streaming<HandshakeRequest>>,
+ ) -> Result<
+ Response<Pin<Box<dyn Stream<Item = Result<HandshakeResponse, Status>>
+ Send>>>,
+ Status,
+ > {
+ let basic = "Basic ";
+ let authorization = request
+ .metadata()
+ .get("authorization")
+ .ok_or(Status::invalid_argument("authorization field not
present"))?
+ .to_str()
+ .map_err(|_| Status::invalid_argument("authorization not
parsable"))?;
+ if !authorization.starts_with(basic) {
+ Err(Status::invalid_argument(format!(
+ "Auth type not implemented: {}",
+ authorization
+ )))?;
+ }
+ let base64 = &authorization[basic.len()..];
+ let bytes = base64::decode(base64)
+ .map_err(|_| Status::invalid_argument("authorization not
parsable"))?;
+ let str = String::from_utf8(bytes)
+ .map_err(|_| Status::invalid_argument("authorization not
parsable"))?;
+ let parts: Vec<_> = str.split(":").collect();
+ if parts.len() != 2 {
+ Err(Status::invalid_argument(format!(
+ "Invalid authorization header"
+ )))?;
+ }
+ let user = parts[0];
+ let pass = parts[1];
+ if user != "admin" || pass != "password" {
+ Err(Status::unauthenticated("Invalid credentials!"))?
+ }
+ let result = HandshakeResponse {
+ protocol_version: 0,
+ payload: "random_uuid_token".as_bytes().to_vec(),
+ };
+ let result = Ok(result);
+ let output = futures::stream::iter(vec![result]);
+ return Ok(Response::new(Box::pin(output)));
+ }
+
Review Comment:
Sorry, I didn't mean to imply integration tests were the only way. I think
they become exponentially impossible to maintain as code coverage increases -
so unit tests are also required. I was just (and still am) hoping to start with
a FlighSql-rs test then add unit tests in addition to that.
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