| 1 | # SPDX-License-Identifier: Apache-2.0 |
| 2 | # SPDX-FileCopyrightText: Copyright contributors to the vLLM project |
| 3 | |
| 4 | import pytest |
| 5 | |
| 6 | from vllm.tokenizers import get_tokenizer |
| 7 | from vllm.tool_parsers.deepseekv31_tool_parser import ( |
| 8 | DeepSeekV31ToolParser, |
| 9 | ) |
| 10 | |
| 11 | MODEL = "deepseek-ai/DeepSeek-V3.1" |
| 12 | |
| 13 | |
| 14 | @pytest.fixture(scope="module") |
| 15 | def deepseekv31_tokenizer(): |
| 16 | return get_tokenizer(tokenizer_name=MODEL) |
| 17 | |
| 18 | |
| 19 | @pytest.fixture |
| 20 | def parser(deepseekv31_tokenizer): |
| 21 | return DeepSeekV31ToolParser(deepseekv31_tokenizer) |
| 22 | |
| 23 | |
| 24 | def test_extract_tool_calls_with_tool(parser): |
| 25 | model_output = ( |
| 26 | "normal text" |
| 27 | "<｜tool▁calls▁begin｜>" |
| 28 | '<｜tool▁call▁begin｜>foo<｜tool▁sep｜>{"x":1}<｜tool▁call▁end｜>' |
| 29 | "<｜tool▁calls▁end｜>" |
| 30 | ) |
| 31 | result = parser.extract_tool_calls(model_output, None) |
| 32 | assert result.tools_called |
| 33 | assert len(result.tool_calls) == 1 |
| 34 | assert result.tool_calls[0].function.name == "foo" |
| 35 | assert result.tool_calls[0].function.arguments == '{"x":1}' |
| 36 | assert result.content == "normal text" |
| 37 | |
| 38 | |
| 39 | def test_extract_tool_calls_with_multiple_tools(parser): |
| 40 | model_output = ( |
| 41 | "some prefix text" |
| 42 | "<｜tool▁calls▁begin｜>" |
| 43 | '<｜tool▁call▁begin｜>foo<｜tool▁sep｜>{"x":1}<｜tool▁call▁end｜>' |
| 44 | '<｜tool▁call▁begin｜>bar<｜tool▁sep｜>{"y":2}<｜tool▁call▁end｜>' |
| 45 | "<｜tool▁calls▁end｜>" |
| 46 | " some suffix text" |
| 47 | ) |
| 48 | |
| 49 | result = parser.extract_tool_calls(model_output, None) |
| 50 | |
| 51 | assert result.tools_called |
| 52 | assert len(result.tool_calls) == 2 |
| 53 | |
| 54 | assert result.tool_calls[0].function.name == "foo" |
| 55 | assert result.tool_calls[0].function.arguments == '{"x":1}' |
| 56 | |
| 57 | assert result.tool_calls[1].function.name == "bar" |
| 58 | assert result.tool_calls[1].function.arguments == '{"y":2}' |
| 59 | |
| 60 | # prefix is content |
| 61 | assert result.content == "some prefix text" |