test_count_tokens_rejects_both_output_format_and_config() — anthropic-sdk-python Function Reference

Source Code

tests/api_resources/beta/test_output_format_conversion.py lines 341–349

    def test_count_tokens_rejects_both_output_format_and_config(self, client: Anthropic) -> None:
        """Verify .count_tokens() raises error when both are provided."""
        with pytest.raises(AnthropicError, match="Both output_format and output_config.format were provided"):
            client.beta.messages.count_tokens(
                messages=[{"role": "user", "content": "Test"}],
                model="claude-sonnet-4-5",
                output_format={"type": "json_schema", "schema": {"type": "object"}},
                output_config={"format": {"type": "json_schema", "schema": {"type": "string"}}},
            )