Fix for OPTIONS request against /db, closes #1100

datasette/utils/testing.py

@@ -99,6 +99,29 @@ class TestClient:
             content_type=content_type,
         )
 
+    @async_to_sync
+    async def request(
+        self,
+        path,
+        allow_redirects=True,
+        redirect_count=0,
+        method="GET",
+        cookies=None,
+        headers=None,
+        post_body=None,
+        content_type=None,
+    ):
+        return await self._request(
+            path,
+            allow_redirects=allow_redirects,
+            redirect_count=redirect_count,
+            method=method,
+            cookies=cookies,
+            headers=headers,
+            post_body=post_body,
+            content_type=content_type,
+        )
+
     async def _request(
         self,
         path,

datasette/views/base.py

@@ -155,7 +155,7 @@ class DataView(BaseView):
     name = ""
     re_named_parameter = re.compile(":([a-zA-Z0-9_]+)")
 
-    def options(self, request, *args, **kwargs):
+    async def options(self, request, *args, **kwargs):
         r = Response.text("ok")
         if self.ds.cors:
             r.headers["Access-Control-Allow-Origin"] = "*"

tests/test_api.py

@@ -1961,3 +1961,9 @@ async def test_generated_columns_are_visible_in_datasette(app_client):
             "string": "This is a string",
         }
     ]
+
+
+def test_http_options_request(app_client):
+    response = app_client.request("/fixtures", method="OPTIONS")
+    assert response.status == 200
+    assert response.text == "ok"