sdk-rust/src/binding/axum/extract.rs

110 lines
3.4 KiB
Rust

use axum::body::Bytes;
use axum::extract::{FromRequest, Request};
use axum::response::Response;
use axum_lib as axum;
use http;
use http::StatusCode;
use crate::binding::http::to_event;
use crate::event::Event;
impl<S> FromRequest<S> for Event
where
Bytes: FromRequest<S>,
S: Send + Sync,
{
type Rejection = Response;
async fn from_request(req: Request, _state: &S) -> Result<Self, Self::Rejection> {
let (parts, body) = req.into_parts();
let body = axum::body::to_bytes(body, usize::MAX).await.map_err(|e| {
Response::builder()
.status(StatusCode::INTERNAL_SERVER_ERROR)
.body(axum::body::Body::from(e.to_string()))
.unwrap()
})?;
to_event(&parts.headers, body.to_vec()).map_err(|e| {
Response::builder()
.status(StatusCode::BAD_REQUEST)
.body(axum::body::Body::from(e.to_string()))
.unwrap()
})
}
}
#[cfg(test)]
mod tests {
use super::*;
use axum::body::Body;
use axum::extract::FromRequest;
use axum::http::{self, Request, StatusCode};
use crate::test::fixtures;
#[tokio::test]
async fn axum_test_request() {
let expected = fixtures::v10::minimal_string_extension();
let request = Request::builder()
.method(http::Method::POST)
.header("ce-specversion", "1.0")
.header("ce-id", "0001")
.header("ce-type", "test_event.test_application")
.header("ce-source", "http://localhost/")
.header("ce-someint", "10")
.body(Body::empty())
.unwrap();
let result = Event::from_request(request, &()).await.unwrap();
assert_eq!(expected, result);
}
#[tokio::test]
async fn axum_test_bad_request() {
let request = Request::builder()
.method(http::Method::POST)
.header("ce-specversion", "BAD SPECIFICATION")
.header("ce-id", "0001")
.header("ce-type", "example.test")
.header("ce-source", "http://localhost/")
.header("ce-someint", "10")
.header("ce-time", fixtures::time().to_rfc3339())
.body(Body::empty())
.unwrap();
let result = Event::from_request(request, &()).await;
assert!(result.is_err());
let rejection = result.unwrap_err();
let reason = rejection.status();
assert_eq!(reason, StatusCode::BAD_REQUEST)
}
#[tokio::test]
async fn axum_test_request_with_full_data() {
let expected = fixtures::v10::full_binary_json_data_string_extension();
let request = Request::builder()
.method(http::Method::POST)
.header("ce-specversion", "1.0")
.header("ce-id", "0001")
.header("ce-type", "test_event.test_application")
.header("ce-source", "http://localhost/")
.header("ce-subject", "cloudevents-sdk")
.header("content-type", "application/json")
.header("ce-string_ex", "val")
.header("ce-int_ex", "10")
.header("ce-bool_ex", "true")
.header("ce-time", &fixtures::time().to_rfc3339())
.body(Body::from(fixtures::json_data_binary()))
.unwrap();
let result = Event::from_request(request, &()).await.unwrap();
assert_eq!(expected, result);
}
}