vllm/tests/entrypoints/openai/test_openai_schema.py

106 lines
3.5 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
from typing import Final
import pytest
import schemathesis
from hypothesis import settings
from schemathesis import GenerationConfig
from ...utils import RemoteOpenAIServer
schemathesis.experimental.OPEN_API_3_1.enable()
MODEL_NAME = "HuggingFaceTB/SmolVLM-256M-Instruct"
MAXIMUM_IMAGES = 2
DEFAULT_TIMEOUT_SECONDS: Final[int] = 10
LONG_TIMEOUT_SECONDS: Final[int] = 60
@pytest.fixture(scope="module")
def server():
args = [
"--task",
"generate",
"--max-model-len",
"2048",
"--max-num-seqs",
"5",
"--enforce-eager",
"--trust-remote-code",
"--limit-mm-per-prompt",
f"image={MAXIMUM_IMAGES}",
]
with RemoteOpenAIServer(MODEL_NAME, args) as remote_server:
yield remote_server
@pytest.fixture(scope="module")
def get_schema(server):
# avoid generating null (\x00) bytes in strings during test case generation
return schemathesis.openapi.from_uri(
f"{server.url_root}/openapi.json",
generation_config=GenerationConfig(allow_x00=False),
)
schema = schemathesis.from_pytest_fixture("get_schema")
@schemathesis.hook
def before_generate_case(context: schemathesis.hooks.HookContext, strategy):
op = context.operation
assert op is not None
def no_file_type(case: schemathesis.models.Case):
"""
This filter skips test cases for the `POST /tokenize` endpoint where the
HTTP request body uses `"type": "file"` in any message's content.
We expect these cases to fail because that type isn't implemented here
https://github.com/vllm-project/vllm/blob/0b34593017953051b3225b1483ce0f4670e3eb0e/vllm/entrypoints/chat_utils.py#L1038-L1095
Example test cases that are skipped:
curl -X POST -H 'Content-Type: application/json' \
-d '{"messages": [{"role": "assistant"}, {"content": [{"file": {}, "type": "file"}], "role": "user"}]}' \
http://localhost:8000/tokenize
curl -X POST -H 'Content-Type: application/json' \
-d '{"messages": [{"content": [{"file": {}, "type": "file"}], "role": "user"}]}' \
http://localhost:8000/tokenize
""" # noqa: E501
if (op.method.lower() == "post" and op.path == "/tokenize"
and hasattr(case, "body") and isinstance(case.body, dict)
and "messages" in case.body
and isinstance(case.body["messages"], list)
and len(case.body["messages"]) > 0):
for message in case.body["messages"]:
if not isinstance(message, dict):
continue
content = message.get("content", [])
if not isinstance(content, list) or len(content) == 0:
continue
if any(item.get("type") == "file" for item in content):
return False
return True
return strategy.filter(no_file_type)
@schema.parametrize()
@schema.override(headers={"Content-Type": "application/json"})
@settings(deadline=LONG_TIMEOUT_SECONDS * 1000)
def test_openapi_stateless(case: schemathesis.Case):
key = (
case.operation.method.upper(),
case.operation.path,
)
timeout = {
# requires a longer timeout
("POST", "/v1/chat/completions"):
LONG_TIMEOUT_SECONDS,
}.get(key, DEFAULT_TIMEOUT_SECONDS)
#No need to verify SSL certificate for localhost
case.call_and_validate(verify=False, timeout=timeout)