test_partial_json_with_invalid_json() — anthropic-sdk-python Function Reference

Architecture documentation for the test_partial_json_with_invalid_json() function in test_partial_json.py from the anthropic-sdk-python codebase.

Function python AnthropicClient SyncAPI

Entity Profile

AnthropicClient→ SyncAPI→ test_partial_json_with_invalid_json() — anthropic-sdk-python Function Reference

Dependency Diagram

graph TD
  ecee2ef0_fe15_62f5_42bd_1390cd44e956["test_partial_json_with_invalid_json()"]
  c520095b_d21b_0a1f_51f9_db7cbf763449["TestPartialJson"]
  ecee2ef0_fe15_62f5_42bd_1390cd44e956 -->|defined in| c520095b_d21b_0a1f_51f9_db7cbf763449
  style ecee2ef0_fe15_62f5_42bd_1390cd44e956 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

tests/lib/streaming/test_partial_json.py lines 108–149

    def test_partial_json_with_invalid_json(self) -> None:
        """Test that invalid JSON raises an error."""
        message = ParsedBetaMessage(
            id="msg_123",
            type="message",
            role="assistant",
            content=[
                BetaToolUseBlock(
                    type="tool_use",
                    input={},
                    id="tool_123",
                    name="test_tool",
                    caller=BetaDirectCaller(type="direct"),
                )
            ],
            model="claude-sonnet-4-5",
            stop_reason=None,
            stop_sequence=None,
            usage=BetaUsage(input_tokens=10, output_tokens=10),
        )

        # Invalid JSON input
        invalid_json = '{"key": "value", "incomplete_field": bad_value'
        event_invalid = BetaRawContentBlockDeltaEvent(
            type="content_block_delta",
            index=0,
            delta=BetaInputJSONDelta(type="input_json_delta", partial_json=invalid_json),
        )
        # Expect an error when trying to accumulate the invalid JSON
        try:
            accumulate_event(
                event=event_invalid,
                current_snapshot=copy.deepcopy(message),
                request_headers=httpx.Headers({"anthropic-beta": "fine-grained-tool-streaming-2025-05-14"}),
            )
            raise AssertionError("Expected ValueError for invalid JSON, but no error was raised.")
        except ValueError as e:
            assert str(e).startswith(
                "Unable to parse tool parameter JSON from model. Please retry your request or adjust your prompt."
            )
        except Exception as e:
            raise AssertionError(f"Unexpected error type: {type(e).__name__} with message: {str(e)}") from e