chore: import upstream snapshot with attribution

sdk-python/tests/test_interrupt_resume.py

@@ -0,0 +1,48 @@
+"""Tests for #3096: copilotkit_interrupt crashes on non-list resume values."""
+
+import pytest
+import json
+from unittest.mock import patch, MagicMock
+
+
+class TestInterruptNonListResume:
+    """Verify copilotkit_interrupt handles string/dict resume values without crashing."""
+
+    @patch("copilotkit.langgraph.interrupt")
+    def test_string_resume_value(self, mock_interrupt):
+        """When LangGraph 1.x returns a string resume value, should not crash."""
+        mock_interrupt.return_value = "user approved"
+
+        from copilotkit.langgraph import copilotkit_interrupt
+
+        answer, response = copilotkit_interrupt(message="Do you approve?")
+
+        assert answer == "user approved"
+        assert response == "user approved"
+
+    @patch("copilotkit.langgraph.interrupt")
+    def test_dict_resume_value(self, mock_interrupt):
+        """When LangGraph 1.x returns a dict resume value, should return JSON string."""
+        mock_interrupt.return_value = {"approved": True, "reason": "looks good"}
+
+        from copilotkit.langgraph import copilotkit_interrupt
+
+        answer, response = copilotkit_interrupt(message="Do you approve?")
+
+        parsed = json.loads(answer)
+        assert parsed["approved"] is True
+        assert parsed["reason"] == "looks good"
+
+    @patch("copilotkit.langgraph.interrupt")
+    def test_list_resume_value_still_works(self, mock_interrupt):
+        """Existing behavior: list resume values should still use [-1].content."""
+        mock_msg = MagicMock()
+        mock_msg.content = "yes"
+        mock_interrupt.return_value = [mock_msg]
+
+        from copilotkit.langgraph import copilotkit_interrupt
+
+        answer, response = copilotkit_interrupt(message="Do you approve?")
+
+        assert answer == "yes"
+        assert response == [mock_msg]