Remove axum-test dependency (#1270)

The `axum-test` crate has not yet been updated to work with axum v0.8 and is blocking us from releasing support for it ourselves. Since we use very little functionality from it, we can just replace it with direct calls to the `ServiceExt` trait of `tower`.

utoipa-swagger-ui/Cargo.toml

@@ -37,9 +37,10 @@ serde_json = { version = "1.0" }
 base64 = { version = "0.22.1" }
 
 [dev-dependencies]
-axum-test = "16.2.0"
+http = "1.2"
 similar = "2.5"
 tokio = { version = "1", features = ["macros"] }
+tower = "0.5"
 utoipa-swagger-ui = { path = ".", features = ["actix-web", "axum", "rocket"] }
 
 [package.metadata.docs.rs]

utoipa-swagger-ui/src/axum.rs

@@ -154,40 +154,41 @@ async fn serve_swagger_ui(
 #[cfg(test)]
 mod tests {
     use super::*;
-    use axum_test::TestServer;
+    use http::header::AUTHORIZATION;
+    use http::HeaderValue;
+    use tower::util::ServiceExt;
 
     #[tokio::test]
     async fn mount_onto_root() {
         let app = Router::<()>::from(SwaggerUi::new("/"));
-        let server = TestServer::new(app).unwrap();
-        let response = server.get("/").await;
-        response.assert_status_ok();
-        let response = server.get("/swagger-ui.css").await;
-        response.assert_status_ok();
+        let response = app.clone().oneshot(get("/")).await.unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
+        let response = app.clone().oneshot(get("/swagger-ui.css")).await.unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
     }
 
     #[tokio::test]
     async fn mount_onto_path_ends_with_slash() {
         let app = Router::<()>::from(SwaggerUi::new("/swagger-ui/"));
-        let server = TestServer::new(app).unwrap();
-        let response = server.get("/swagger-ui").await;
-        response.assert_status_see_other();
-        let response = server.get("/swagger-ui/").await;
-        response.assert_status_ok();
-        let response = server.get("/swagger-ui/swagger-ui.css").await;
-        response.assert_status_ok();
+        let response = app.clone().oneshot(get("/swagger-ui")).await.unwrap();
+        assert_eq!(response.status(), StatusCode::SEE_OTHER);
+        let response = app.clone().oneshot(get("/swagger-ui/")).await.unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
+        let request = get("/swagger-ui/swagger-ui.css");
+        let response = app.clone().oneshot(request).await.unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
     }
 
     #[tokio::test]
     async fn mount_onto_path_not_end_with_slash() {
         let app = Router::<()>::from(SwaggerUi::new("/swagger-ui"));
-        let server = TestServer::new(app).unwrap();
-        let response = server.get("/swagger-ui").await;
-        response.assert_status_see_other();
-        let response = server.get("/swagger-ui/").await;
-        response.assert_status_ok();
-        let response = server.get("/swagger-ui/swagger-ui.css").await;
-        response.assert_status_ok();
+        let response = app.clone().oneshot(get("/swagger-ui")).await.unwrap();
+        assert_eq!(response.status(), StatusCode::SEE_OTHER);
+        let response = app.clone().oneshot(get("/swagger-ui/")).await.unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
+        let request = get("/swagger-ui/swagger-ui.css");
+        let response = app.clone().oneshot(request).await.unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
     }
 
     #[tokio::test]
@@ -198,24 +199,30 @@ mod tests {
                 password: "password".to_string(),
             }));
         let app = Router::<()>::from(swagger_ui);
-        let server = TestServer::new(app).unwrap();
-        let response = server.get("/swagger-ui").await;
-        response.assert_status_unauthorized();
+        let response = app.clone().oneshot(get("/swagger-ui")).await.unwrap();
+        assert_eq!(response.status(), StatusCode::UNAUTHORIZED);
         let encoded_credentials = BASE64_STANDARD.encode("admin:password");
-        let response = server
-            .get("/swagger-ui")
-            .authorization(format!("Basic {}", encoded_credentials))
-            .await;
-        response.assert_status_see_other();
-        let response = server
-            .get("/swagger-ui/")
-            .authorization(format!("Basic {}", encoded_credentials))
-            .await;
-        response.assert_status_ok();
-        let response = server
-            .get("/swagger-ui/swagger-ui.css")
-            .authorization(format!("Basic {}", encoded_credentials))
-            .await;
-        response.assert_status_ok();
+        let authorization = format!("Basic {}", encoded_credentials);
+        let request = authorized_get("/swagger-ui", &authorization);
+        let response = app.clone().oneshot(request).await.unwrap();
+        assert_eq!(response.status(), StatusCode::SEE_OTHER);
+        let request = authorized_get("/swagger-ui/", &authorization);
+        let response = app.clone().oneshot(request).await.unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
+        let request = authorized_get("/swagger-ui/swagger-ui.css", &authorization);
+        let response = app.clone().oneshot(request).await.unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
+    }
+
+    fn get(url: &str) -> Request<Body> {
+        Request::builder().uri(url).body(Body::empty()).unwrap()
+    }
+
+    fn authorized_get(url: &str, authorization: &str) -> Request<Body> {
+        Request::builder()
+            .uri(url)
+            .header(AUTHORIZATION, HeaderValue::from_str(authorization).unwrap())
+            .body(Body::empty())
+            .unwrap()
     }
 }