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[CI/Build] Add common tool call parser test suite (#27599)

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Signed-off-by: Ben Browning <bbrownin@redhat.com>
This commit is contained in:
Ben Browning
2026-03-16 19:46:20 -04:00
committed by GitHub
parent 3e6a1e1686
commit 7a49742b88
16 changed files with 1201 additions and 5 deletions
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112
tests/tool_parsers/test_step3_tool_parser.py Normal file
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# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
import pytest
from tests.tool_parsers.common_tests import (
ToolParserTestConfig,
ToolParserTests,
)
from vllm.tokenizers import TokenizerLike, get_tokenizer
class TestStep3ToolParser(ToolParserTests):
@pytest.fixture(scope="class")
def tokenizer(self) -> TokenizerLike:
return get_tokenizer("stepfun-ai/step3")
@pytest.fixture
def test_config(self) -> ToolParserTestConfig:
return ToolParserTestConfig(
parser_name="step3",
# Test data
no_tool_calls_output="This is a regular response without any tool calls.",
single_tool_call_output=(
"<｜tool_calls_begin｜><｜tool_call_begin｜>"
'<steptml:invoke name="get_weather">'
'<steptml:parameter name="city">Tokyo</steptml:parameter>'
"</steptml:invoke><｜tool_call_end｜><｜tool_calls_end｜>"
),
parallel_tool_calls_output=(
"<｜tool_calls_begin｜><｜tool_call_begin｜>"
'<steptml:invoke name="get_weather">'
'<steptml:parameter name="city">Tokyo</steptml:parameter>'
"</steptml:invoke><｜tool_call_end｜><｜tool_sep｜>"
'<｜tool_call_begin｜><steptml:invoke name="get_time">'
'<steptml:parameter name="timezone">Asia/Tokyo</steptml:parameter>'
"</steptml:invoke><｜tool_call_end｜><｜tool_calls_end｜>"
),
various_data_types_output=(
"<｜tool_calls_begin｜><｜tool_call_begin｜>"
'<steptml:invoke name="test_function">'
'<steptml:parameter name="string_field">hello</steptml:parameter>'
'<steptml:parameter name="int_field">42</steptml:parameter>'
'<steptml:parameter name="float_field">3.14</steptml:parameter>'
'<steptml:parameter name="bool_field">true</steptml:parameter>'
'<steptml:parameter name="null_field">null</steptml:parameter>'
'<steptml:parameter name="array_field">'
'["a", "b", "c"]</steptml:parameter>'
'<steptml:parameter name="object_field">'
'{"nested": "value"}</steptml:parameter>'
"</steptml:invoke><｜tool_call_end｜><｜tool_calls_end｜>"
),
empty_arguments_output=(
"<｜tool_calls_begin｜><｜tool_call_begin｜>"
'<steptml:invoke name="refresh"></steptml:invoke>'
"<｜tool_call_end｜><｜tool_calls_end｜>"
),
surrounding_text_output=(
"Let me check the weather for you.\n\n"
"<｜tool_calls_begin｜><｜tool_call_begin｜>"
'<steptml:invoke name="get_weather">'
'<steptml:parameter name="city">Tokyo</steptml:parameter>'
"</steptml:invoke><｜tool_call_end｜><｜tool_calls_end｜>\n\n"
"I'll get that information."
),
escaped_strings_output=(
"<｜tool_calls_begin｜><｜tool_call_begin｜>"
'<steptml:invoke name="test_function">'
'<steptml:parameter name="quoted">He said "hello"</steptml:parameter>'
'<steptml:parameter name="path">C:\\Users\\file.txt</steptml:parameter>'
'<steptml:parameter name="newline">line1\nline2</steptml:parameter>'
"</steptml:invoke><｜tool_call_end｜><｜tool_calls_end｜>"
),
malformed_input_outputs=[
(
"<｜tool_calls_begin｜><｜tool_call_begin｜>"
'<steptml:invoke name="func">'
),
(
'<｜tool_call_begin｜><steptml:invoke name="func">'
"</steptml:invoke><｜tool_call_end｜>"
),
],
# Expected results
single_tool_call_expected_name="get_weather",
single_tool_call_expected_args={"city": "Tokyo"},
parallel_tool_calls_count=2,
parallel_tool_calls_names=["get_weather", "get_time"],
# xfail markers
xfail_nonstreaming={
"test_single_tool_call_simple_args": (
"Step3 parser non-streaming has bugs"
),
"test_parallel_tool_calls": ("Step3 parser non-streaming has bugs"),
"test_various_data_types": "Step3 parser non-streaming has bugs",
"test_empty_arguments": "Step3 parser non-streaming has bugs",
"test_surrounding_text": "Step3 parser non-streaming has bugs",
"test_escaped_strings": "Step3 parser non-streaming has bugs",
},
xfail_streaming={
"test_parallel_tool_calls": (
"Step3 parser has significant bugs in both streaming "
"and non-streaming"
),
"test_streaming_reconstruction": (
"Step3 parser non-streaming has bugs, so streaming "
"doesn't match non-streaming"
),
},
supports_typed_arguments=False,
)