Files
vllm/tests/tool_parsers/test_granite_tool_parser.py
2026-03-16 19:46:20 -04:00

119 lines
4.5 KiB
Python

# 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 tests.tool_parsers.utils import run_tool_extraction
class TestGraniteToolParser(ToolParserTests):
@pytest.fixture
def test_config(self) -> ToolParserTestConfig:
return ToolParserTestConfig(
parser_name="granite",
# Test data
no_tool_calls_output="This is a regular response without any tool calls.",
single_tool_call_output=(
'<|tool_call|> [{"name": "get_weather", '
'"arguments": {"city": "Tokyo"}}]'
),
parallel_tool_calls_output="""<|tool_call|> [
{"name": "get_weather", "arguments": {"city": "Tokyo"}},
{"name": "get_time", "arguments": {"timezone": "Asia/Tokyo"}}
]""",
various_data_types_output="""<tool_call> [{
"name": "test_function",
"arguments": {
"string_field": "hello",
"int_field": 42,
"float_field": 3.14,
"bool_field": true,
"null_field": null,
"array_field": ["a", "b", "c"],
"object_field": {"nested": "value"},
"empty_array": [],
"empty_object": {}
}
}]""",
empty_arguments_output=(
'<|tool_call|> [{"name": "refresh", "arguments": {}}]'
),
surrounding_text_output="""Let me check the weather for you.
<|tool_call|> [{"name": "get_weather", "arguments": {"city": "Tokyo"}}]
I'll get that information.""",
escaped_strings_output="""<tool_call> [{
"name": "test_function",
"arguments": {
"quoted": "He said \\"hello\\"",
"path": "C:\\\\Users\\\\file.txt",
"newline": "line1\\nline2",
"unicode": "emoji: 🎉"
}
}]""",
malformed_input_outputs=[
'<|tool_call|> [{"name": "func", "arguments": {',
'<|tool_call|> {"name": "func", "arguments": {}}', # Not an array
'[{"name": "func", "arguments": "not a dict"}]',
'Some text [{"name": "func"}]', # JSON but not tool call format
],
# Expected results
single_tool_call_expected_name="get_weather",
single_tool_call_expected_args={"city": "Tokyo"},
# Granite strips content when tool calls present
single_tool_call_expected_content=None,
parallel_tool_calls_count=2,
parallel_tool_calls_names=["get_weather", "get_time"],
# xfail markers
xfail_streaming={
"test_malformed_input": (
"Streaming mode incorrectly creates tool call from malformed JSON"
),
"test_surrounding_text": (
"Parser doesn't handle surrounding text correctly in streaming"
),
"test_streaming_reconstruction": (
"Streaming mode doesn't strip <|tool_call|> marker from content"
),
},
xfail_nonstreaming={
"test_surrounding_text": (
"Parser doesn't handle surrounding text correctly in non-streaming"
),
},
)
# Granite-Specific Tests
@pytest.mark.parametrize("streaming", [True, False])
def test_granite_token_prefix_format(self, tool_parser, streaming):
"""Verify parser handles Granite 3.0 <|tool_call|> token format."""
single_tool_call_token = (
'<|tool_call|> [{"name": "get_weather", "arguments": {"city": "Tokyo"}}]'
)
content, tool_calls = run_tool_extraction(
tool_parser, single_tool_call_token, streaming=streaming
)
assert len(tool_calls) == 1, (
f"Expected 1 tool call from token format, got {len(tool_calls)}"
)
assert tool_calls[0].function.name == "get_weather"
@pytest.mark.parametrize("streaming", [True, False])
def test_granite_string_prefix_format(self, tool_parser, streaming):
"""Verify parser handles Granite 3.1 <tool_call> string format."""
single_tool_call_string = (
'<tool_call> [{"name": "get_weather", "arguments": {"city": "Tokyo"}}]'
)
content, tool_calls = run_tool_extraction(
tool_parser, single_tool_call_string, streaming=streaming
)
assert len(tool_calls) == 1, (
f"Expected 1 tool call from string format, got {len(tool_calls)}"
)
assert tool_calls[0].function.name == "get_weather"