fix: skip malformed nested issue metadata (#85)

tests/test_context_timeout.py

@@ -65,6 +65,37 @@ async def test_context_normalizes_nullable_issue_collections(monkeypatch):
     assert issue["assignees"] == []
 
 
+@pytest.mark.anyio
+async def test_context_skips_malformed_nested_issue_metadata(monkeypatch):
+    async def user():
+        return {"id": 1, "login": "timmy"}
+
+    async def empty_collection():
+        return []
+
+    async def issue_collection():
+        return [{
+            "id": 85,
+            "number": 85,
+            "title": "Malformed nested metadata",
+            "state": "open",
+            "labels": [None, {"name": "bug"}, "invalid"],
+            "assignees": [None, {"login": "timmy"}, "invalid"],
+            "html_url": "https://forge.example/issues/85",
+        }]
+
+    monkeypatch.setattr(main, "current_user", user)
+    monkeypatch.setattr(main, "repos", empty_collection)
+    monkeypatch.setattr(main, "issues", issue_collection)
+    monkeypatch.setattr(main, "pull_requests", empty_collection)
+
+    response = await main.context()
+    issue = json.loads(response.body)["issues"][0]
+
+    assert issue["labels"] == ["bug"]
+    assert issue["assignees"] == ["timmy"]
+
+
 @pytest.mark.anyio
 async def test_context_normalizes_nullable_repository_description(monkeypatch):
     async def user():