1 files changed, 36 insertions, 0 deletions
diff --git a/tests/diagnostics_acceptance.rs b/tests/diagnostics_acceptance.rs
index f1db2de..0dcba04 100644
--- a/tests/diagnostics_acceptance.rs
+++ b/tests/diagnostics_acceptance.rs
@@ -603,3 +603,39 @@ async fn cancelling_a_bus_diagnostic_stops_it_without_changing_proxy_intent() {
             .all(|entry| entry.speed_bytes_per_second.is_none())
     );
 }
+
+#[tokio::test]
+async fn controller_rejects_streamed_json_errors_without_misclassifying_payload_fields() {
+    let mut context = Context::open().await;
+    for path in ["/long-error", "/late-error", "/escaped-error"] {
+        context.settings("/empty", path, 1, 1).await;
+        let error = context
+            .controller
+            .diagnostic(&Caller::root(), None, true)
+            .await
+            .unwrap_err();
+        assert!(
+            error.to_string().contains("error document"),
+            "Long provider error was not recognized for {path}: {error}"
+        );
+    }
+    context.settings("/empty", "/late-html", 1, 1).await;
+    assert!(
+        context
+            .controller
+            .diagnostic(&Caller::root(), None, true)
+            .await
+            .unwrap_err()
+            .to_string()
+            .contains("HTML")
+    );
+    context.settings("/empty", "/json-data", 1, 1).await;
+    let observation = context
+        .controller
+        .diagnostic(&Caller::root(), None, true)
+        .await
+        .unwrap();
+    assert!(observation.success);
+    assert!(observation.bytes > 30000);
+    assert_eq!(observation.stop_reason, "complete");
+}