fix: normalize null Gitea collection payloads (#69)

tests/test_context_timeout.py

@@ -119,4 +119,25 @@ async def test_context_normalizes_nullable_pull_request_author(monkeypatch):
     response = await main.context()
     pull_request = json.loads(response.body)["pull_requests"][0]
 
-    assert pull_request["user"] == ""
+    assert pull_request["user"] == ""
+
+
+@pytest.mark.anyio
+async def test_context_normalizes_null_collection_payloads(monkeypatch):
+    async def user():
+        return {"id": 1, "login": "timmy"}
+
+    async def null_collection():
+        return None
+
+    monkeypatch.setattr(main, "current_user", user)
+    monkeypatch.setattr(main, "repos", null_collection)
+    monkeypatch.setattr(main, "issues", null_collection)
+    monkeypatch.setattr(main, "pull_requests", null_collection)
+
+    response = await main.context()
+    context = json.loads(response.body)
+
+    assert context["repos"] == []
+    assert context["issues"] == []
+    assert context["pull_requests"] == []