refactor: drop postgres leftovers, narrow bootstrap api

crates/bootstrap/tests/http_handlers/extractors_test.rs

@@ -359,3 +359,49 @@ async fn admin_user_surfaces_a_repository_error_as_500() {
         .unwrap();
     assert_eq!(resp.status(), StatusCode::INTERNAL_SERVER_ERROR);
 }
+
+async fn path_id_handler(
+    http_axum::extractors::PathId(id): http_axum::extractors::PathId<u32>,
+) -> String {
+    id.to_string()
+}
+
+async fn refusal_code(resp: axum::response::Response) -> String {
+    let bytes = axum::body::to_bytes(resp.into_body(), usize::MAX)
+        .await
+        .unwrap();
+    let v: serde_json::Value = serde_json::from_slice(&bytes).expect("refusal body is JSON");
+    v["code"].as_str().unwrap().to_string()
+}
+
+#[tokio::test]
+async fn path_extractor_on_a_route_without_params_is_refused_as_internal() {
+    let app = Router::new().route("/no-params", get(path_id_handler));
+    let resp = app
+        .oneshot(
+            Request::builder()
+                .uri("/no-params")
+                .body(Body::empty())
+                .unwrap(),
+        )
+        .await
+        .unwrap();
+    assert_eq!(resp.status(), StatusCode::INTERNAL_SERVER_ERROR);
+    assert_eq!(refusal_code(resp).await, "INTERNAL");
+}
+
+#[tokio::test]
+async fn path_extractor_with_an_unparseable_param_is_refused_as_invalid_input() {
+    let app = Router::new().route("/items/{id}", get(path_id_handler));
+    let resp = app
+        .oneshot(
+            Request::builder()
+                .uri("/items/abc")
+                .body(Body::empty())
+                .unwrap(),
+        )
+        .await
+        .unwrap();
+    assert_eq!(resp.status(), StatusCode::BAD_REQUEST);
+    assert_eq!(refusal_code(resp).await, "INVALID_INPUT");
+}