✅ Add tests to increase coverage

tests/test_stream_json_validation_error.py

@@ -0,0 +1,40 @@
+from collections.abc import AsyncIterable, Iterable
+
+import pytest
+from fastapi import FastAPI
+from fastapi.exceptions import ResponseValidationError
+from fastapi.testclient import TestClient
+from pydantic import BaseModel
+
+
+class Item(BaseModel):
+    name: str
+    price: float
+
+
+app = FastAPI()
+
+
+@app.get("/items/stream-invalid")
+async def stream_items_invalid() -> AsyncIterable[Item]:
+    yield {"name": "valid", "price": 1.0}
+    yield {"name": "invalid", "price": "not-a-number"}
+
+
+@app.get("/items/stream-invalid-sync")
+def stream_items_invalid_sync() -> Iterable[Item]:
+    yield {"name": "valid", "price": 1.0}
+    yield {"name": "invalid", "price": "not-a-number"}
+
+
+client = TestClient(app)
+
+
+def test_stream_json_validation_error_async():
+    with pytest.raises(ResponseValidationError):
+        client.get("/items/stream-invalid")
+
+
+def test_stream_json_validation_error_sync():
+    with pytest.raises(ResponseValidationError):
+        client.get("/items/stream-invalid-sync")