# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project

from vllm.entrypoints.responses_utils import (
    convert_tool_responses_to_completions_format,
)


class TestResponsesUtils:
    """Tests for convert_tool_responses_to_completions_format function."""

    def test_convert_tool_responses_to_completions_format(self):
        """Test basic conversion of a flat tool schema to nested format."""
        input_tool = {
            "type": "function",
            "name": "get_weather",
            "description": "Get the current weather in a given location",
            "parameters": {
                "type": "object",
                "properties": {
                    "location": {"type": "string"},
                    "unit": {"type": "string", "enum": ["celsius", "fahrenheit"]},
                },
                "required": ["location", "unit"],
            },
        }

        result = convert_tool_responses_to_completions_format(input_tool)

        assert result == {"type": "function", "function": input_tool}