vllm/tests/v1/entrypoints/openai/test_chat_completion.py

139 lines
3.9 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
import openai # use the official client for correctness check
import pytest
import pytest_asyncio
from tests.utils import RemoteOpenAIServer
# any model with a chat template defined in tokenizer_config should work here
MODEL_NAME = "Qwen/Qwen2.5-1.5B-Instruct"
@pytest.fixture(scope="module")
def default_server_args():
return [
# use half precision for speed and memory savings in CI environment
"--max-model-len",
"2048",
"--max-num-seqs",
"128",
"--enforce-eager",
]
@pytest.fixture(scope="module")
def server(default_server_args):
with RemoteOpenAIServer(MODEL_NAME, default_server_args) as remote_server:
yield remote_server
@pytest_asyncio.fixture
async def client(server):
async with server.get_async_client() as async_client:
yield async_client
@pytest.mark.asyncio
@pytest.mark.parametrize(
"model_name",
[MODEL_NAME],
)
async def test_invalid_json_schema(client: openai.AsyncOpenAI,
model_name: str) -> None:
invalid_json_schema = {
"$defs": {
"CarType": {
"enum": ["sedan", "SUV", "Truck", "Coupe"],
"title": "CarType",
"type": "string",
}
},
"properties": {
"brand": {
"title": "Brand",
"type": "string"
},
"model": {
"title": "Model",
"type": "string"
},
"car_type": {
"$ref": "#/$defs/CarType"
},
"foo": "bar",
},
"required": ["brand", "model", "car_type"],
"title": "CarDescription",
"type": "object",
}
prompt = ("Generate a JSON with the brand, model and car_type of"
"the most iconic car from the 90's")
with pytest.raises((openai.BadRequestError, openai.APIError)):
await client.chat.completions.create(
model=model_name,
messages=[{
"role": "user",
"content": prompt,
}],
extra_body={"guided_json": invalid_json_schema},
)
@pytest.mark.asyncio
@pytest.mark.parametrize(
"model_name",
[MODEL_NAME],
)
async def test_invalid_regex(client: openai.AsyncOpenAI, model_name: str):
prompt = ("Generate an email address for Alan Turing, who works in Enigma."
"End in .com and new line. Example result:"
"alan.turing@enigma.com\n")
with pytest.raises((openai.BadRequestError, openai.APIError)):
await client.chat.completions.create(
model=model_name,
messages=[{
"role": "user",
"content": prompt,
}],
extra_body={
"guided_regex": r"[.*",
"stop": ["\n"]
},
)
@pytest.mark.asyncio
@pytest.mark.parametrize(
"model_name",
[MODEL_NAME],
)
async def test_invalid_grammar(client: openai.AsyncOpenAI, model_name: str):
invalid_simplified_sql_grammar = """
root ::= select_statementinvalidsyntax
select_statement ::= "SELECT " column " from " table " where " condition
column ::= "col_1 " | "col_2 "
table ::= "table_1 " | "table_2 "
condition ::= column "= " number
number ::= "1 " | "2 "
"""
prompt = ("Generate an SQL query to show the 'username' and 'email'"
"from the 'users' table.")
with pytest.raises((openai.BadRequestError, openai.APIError)):
await client.chat.completions.create(
model=model_name,
messages=[{
"role": "user",
"content": prompt,
}],
extra_body={"guided_grammar": invalid_simplified_sql_grammar},
)