mirror of
https://github.com/meta-llama/llama-stack.git
synced 2025-06-28 19:04:19 +00:00
Miscellaneous fixes for meta reference inference Tests for log probs dont pass because meta reference does not support top_k > 1
358 lines
12 KiB
Python
358 lines
12 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
|
|
# All rights reserved.
|
|
#
|
|
# This source code is licensed under the terms described in the LICENSE file in
|
|
# the root directory of this source tree.
|
|
|
|
import pytest
|
|
from pydantic import BaseModel
|
|
|
|
PROVIDER_TOOL_PROMPT_FORMAT = {
|
|
"remote::ollama": "python_list",
|
|
"remote::together": "json",
|
|
"remote::fireworks": "json",
|
|
}
|
|
|
|
|
|
@pytest.fixture(scope="session")
|
|
def provider_tool_format(inference_provider_type):
|
|
return (
|
|
PROVIDER_TOOL_PROMPT_FORMAT[inference_provider_type]
|
|
if inference_provider_type in PROVIDER_TOOL_PROMPT_FORMAT
|
|
else None
|
|
)
|
|
|
|
|
|
@pytest.fixture(scope="session")
|
|
def inference_provider_type(llama_stack_client):
|
|
providers = llama_stack_client.providers.list()
|
|
inference_providers = [p for p in providers if p.api == "inference"]
|
|
assert len(inference_providers) > 0, "No inference providers found"
|
|
return inference_providers[0].provider_type
|
|
|
|
|
|
@pytest.fixture(scope="session")
|
|
def text_model_id(llama_stack_client):
|
|
available_models = [
|
|
model.identifier
|
|
for model in llama_stack_client.models.list()
|
|
if model.identifier.startswith("meta-llama") and "405" not in model.identifier
|
|
]
|
|
assert len(available_models) > 0
|
|
return available_models[0]
|
|
|
|
|
|
@pytest.fixture(scope="session")
|
|
def vision_model_id(llama_stack_client):
|
|
available_models = [
|
|
model.identifier
|
|
for model in llama_stack_client.models.list()
|
|
if "vision" in model.identifier.lower()
|
|
]
|
|
if len(available_models) == 0:
|
|
pytest.skip("No vision models available")
|
|
|
|
return available_models[0]
|
|
|
|
|
|
@pytest.fixture
|
|
def get_weather_tool_definition():
|
|
return {
|
|
"tool_name": "get_weather",
|
|
"description": "Get the current weather",
|
|
"parameters": {
|
|
"location": {
|
|
"param_type": "string",
|
|
"description": "The city and state, e.g. San Francisco, CA",
|
|
},
|
|
},
|
|
}
|
|
|
|
|
|
def test_completion_non_streaming(llama_stack_client, text_model_id):
|
|
response = llama_stack_client.inference.completion(
|
|
content="Complete the sentence using one word: Roses are red, violets are ",
|
|
stream=False,
|
|
model_id=text_model_id,
|
|
sampling_params={
|
|
"max_tokens": 50,
|
|
},
|
|
)
|
|
assert "blue" in response.content.lower().strip()
|
|
|
|
|
|
def test_completion_streaming(llama_stack_client, text_model_id):
|
|
response = llama_stack_client.inference.completion(
|
|
content="Complete the sentence using one word: Roses are red, violets are ",
|
|
stream=True,
|
|
model_id=text_model_id,
|
|
sampling_params={
|
|
"max_tokens": 50,
|
|
},
|
|
)
|
|
streamed_content = [chunk.delta for chunk in response]
|
|
assert "blue" in "".join(streamed_content).lower().strip()
|
|
|
|
|
|
def test_completion_log_probs_non_streaming(llama_stack_client, text_model_id):
|
|
response = llama_stack_client.inference.completion(
|
|
content="Complete the sentence: Micheael Jordan is born in ",
|
|
stream=False,
|
|
model_id=text_model_id,
|
|
sampling_params={
|
|
"max_tokens": 5,
|
|
},
|
|
logprobs={
|
|
"top_k": 3,
|
|
},
|
|
)
|
|
assert response.logprobs, "Logprobs should not be empty"
|
|
assert 1 <= len(response.logprobs) <= 5
|
|
assert all(len(logprob.logprobs_by_token) == 3 for logprob in response.logprobs)
|
|
|
|
|
|
def test_completion_log_probs_streaming(llama_stack_client, text_model_id):
|
|
response = llama_stack_client.inference.completion(
|
|
content="Complete the sentence: Micheael Jordan is born in ",
|
|
stream=True,
|
|
model_id=text_model_id,
|
|
sampling_params={
|
|
"max_tokens": 5,
|
|
},
|
|
logprobs={
|
|
"top_k": 3,
|
|
},
|
|
)
|
|
streamed_content = [chunk for chunk in response]
|
|
for chunk in streamed_content:
|
|
if chunk.delta: # if there's a token, we expect logprobs
|
|
assert chunk.logprobs, "Logprobs should not be empty"
|
|
assert all(
|
|
len(logprob.logprobs_by_token) == 3 for logprob in chunk.logprobs
|
|
)
|
|
else: # no token, no logprobs
|
|
assert not chunk.logprobs, "Logprobs should be empty"
|
|
|
|
|
|
def test_completion_structured_output(
|
|
llama_stack_client, text_model_id, inference_provider_type
|
|
):
|
|
user_input = """
|
|
Michael Jordan was born in 1963. He played basketball for the Chicago Bulls. He retired in 2003.
|
|
"""
|
|
|
|
class AnswerFormat(BaseModel):
|
|
name: str
|
|
year_born: str
|
|
year_retired: str
|
|
|
|
response = llama_stack_client.inference.completion(
|
|
model_id=text_model_id,
|
|
content=user_input,
|
|
stream=False,
|
|
sampling_params={
|
|
"max_tokens": 50,
|
|
},
|
|
response_format={
|
|
"type": "json_schema",
|
|
"json_schema": AnswerFormat.model_json_schema(),
|
|
},
|
|
)
|
|
answer = AnswerFormat.model_validate_json(response.content)
|
|
assert answer.name == "Michael Jordan"
|
|
assert answer.year_born == "1963"
|
|
assert answer.year_retired == "2003"
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"question,expected",
|
|
[
|
|
("What are the names of planets in our solar system?", "Earth"),
|
|
("What are the names of the planets that have rings around them?", "Saturn"),
|
|
],
|
|
)
|
|
def test_text_chat_completion_non_streaming(
|
|
llama_stack_client, text_model_id, question, expected
|
|
):
|
|
response = llama_stack_client.inference.chat_completion(
|
|
model_id=text_model_id,
|
|
messages=[
|
|
{
|
|
"role": "user",
|
|
"content": question,
|
|
}
|
|
],
|
|
stream=False,
|
|
)
|
|
message_content = response.completion_message.content.lower().strip()
|
|
assert len(message_content) > 0
|
|
assert expected.lower() in message_content
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"question,expected",
|
|
[
|
|
("What's the name of the Sun in latin?", "Sol"),
|
|
("What is the name of the US captial?", "Washington"),
|
|
],
|
|
)
|
|
def test_text_chat_completion_streaming(
|
|
llama_stack_client, text_model_id, question, expected
|
|
):
|
|
response = llama_stack_client.inference.chat_completion(
|
|
model_id=text_model_id,
|
|
messages=[{"role": "user", "content": question}],
|
|
stream=True,
|
|
)
|
|
streamed_content = [
|
|
str(chunk.event.delta.text.lower().strip()) for chunk in response
|
|
]
|
|
assert len(streamed_content) > 0
|
|
assert expected.lower() in "".join(streamed_content)
|
|
|
|
|
|
def test_text_chat_completion_with_tool_calling_and_non_streaming(
|
|
llama_stack_client, text_model_id, get_weather_tool_definition, provider_tool_format
|
|
):
|
|
response = llama_stack_client.inference.chat_completion(
|
|
model_id=text_model_id,
|
|
messages=[
|
|
{"role": "system", "content": "You are a helpful assistant."},
|
|
{"role": "user", "content": "What's the weather like in San Francisco?"},
|
|
],
|
|
tools=[get_weather_tool_definition],
|
|
tool_choice="auto",
|
|
tool_prompt_format=provider_tool_format,
|
|
stream=False,
|
|
)
|
|
# No content is returned for the system message since we expect the
|
|
# response to be a tool call
|
|
assert response.completion_message.content == ""
|
|
assert response.completion_message.role == "assistant"
|
|
|
|
assert len(response.completion_message.tool_calls) == 1
|
|
assert response.completion_message.tool_calls[0].tool_name == "get_weather"
|
|
assert response.completion_message.tool_calls[0].arguments == {
|
|
"location": "San Francisco, CA"
|
|
}
|
|
|
|
|
|
# Will extract streamed text and separate it from tool invocation content
|
|
# The returned tool inovcation content will be a string so it's easy to comapare with expected value
|
|
# e.g. "[get_weather, {'location': 'San Francisco, CA'}]"
|
|
def extract_tool_invocation_content(response):
|
|
tool_invocation_content: str = ""
|
|
for chunk in response:
|
|
delta = chunk.event.delta
|
|
if delta.type == "tool_call" and delta.parse_status == "succeeded":
|
|
call = delta.content
|
|
tool_invocation_content += f"[{call.tool_name}, {call.arguments}]"
|
|
return tool_invocation_content
|
|
|
|
|
|
def test_text_chat_completion_with_tool_calling_and_streaming(
|
|
llama_stack_client, text_model_id, get_weather_tool_definition, provider_tool_format
|
|
):
|
|
response = llama_stack_client.inference.chat_completion(
|
|
model_id=text_model_id,
|
|
messages=[
|
|
{"role": "system", "content": "You are a helpful assistant."},
|
|
{"role": "user", "content": "What's the weather like in San Francisco?"},
|
|
],
|
|
tools=[get_weather_tool_definition],
|
|
tool_choice="auto",
|
|
tool_prompt_format=provider_tool_format,
|
|
stream=True,
|
|
)
|
|
tool_invocation_content = extract_tool_invocation_content(response)
|
|
assert tool_invocation_content == "[get_weather, {'location': 'San Francisco, CA'}]"
|
|
|
|
|
|
def test_text_chat_completion_structured_output(
|
|
llama_stack_client, text_model_id, inference_provider_type
|
|
):
|
|
class AnswerFormat(BaseModel):
|
|
first_name: str
|
|
last_name: str
|
|
year_of_birth: int
|
|
num_seasons_in_nba: int
|
|
|
|
response = llama_stack_client.inference.chat_completion(
|
|
model_id=text_model_id,
|
|
messages=[
|
|
{
|
|
"role": "system",
|
|
"content": "You are a helpful assistant. Michael Jordan was born in 1963. He played basketball for the Chicago Bulls for 15 seasons.",
|
|
},
|
|
{
|
|
"role": "user",
|
|
"content": "Please give me information about Michael Jordan.",
|
|
},
|
|
],
|
|
response_format={
|
|
"type": "json_schema",
|
|
"json_schema": AnswerFormat.model_json_schema(),
|
|
},
|
|
stream=False,
|
|
)
|
|
answer = AnswerFormat.model_validate_json(response.completion_message.content)
|
|
assert answer.first_name == "Michael"
|
|
assert answer.last_name == "Jordan"
|
|
assert answer.year_of_birth == 1963
|
|
assert answer.num_seasons_in_nba == 15
|
|
|
|
|
|
def test_image_chat_completion_non_streaming(llama_stack_client, vision_model_id):
|
|
message = {
|
|
"role": "user",
|
|
"content": [
|
|
{
|
|
"type": "image",
|
|
"url": {
|
|
# TODO: Replace with Github based URI to resources/sample1.jpg
|
|
"uri": "https://www.healthypawspetinsurance.com/Images/V3/DogAndPuppyInsurance/Dog_CTA_Desktop_HeroImage.jpg"
|
|
},
|
|
},
|
|
{
|
|
"type": "text",
|
|
"text": "Describe what is in this image.",
|
|
},
|
|
],
|
|
}
|
|
response = llama_stack_client.inference.chat_completion(
|
|
model_id=vision_model_id,
|
|
messages=[message],
|
|
stream=False,
|
|
)
|
|
message_content = response.completion_message.content.lower().strip()
|
|
assert len(message_content) > 0
|
|
assert any(expected in message_content for expected in {"dog", "puppy", "pup"})
|
|
|
|
|
|
def test_image_chat_completion_streaming(llama_stack_client, vision_model_id):
|
|
message = {
|
|
"role": "user",
|
|
"content": [
|
|
{
|
|
"type": "image",
|
|
"url": {
|
|
# TODO: Replace with Github based URI to resources/sample1.jpg
|
|
"uri": "https://www.healthypawspetinsurance.com/Images/V3/DogAndPuppyInsurance/Dog_CTA_Desktop_HeroImage.jpg"
|
|
},
|
|
},
|
|
{
|
|
"type": "text",
|
|
"text": "Describe what is in this image.",
|
|
},
|
|
],
|
|
}
|
|
response = llama_stack_client.inference.chat_completion(
|
|
model_id=vision_model_id,
|
|
messages=[message],
|
|
stream=True,
|
|
)
|
|
streamed_content = ""
|
|
for chunk in response:
|
|
streamed_content += chunk.event.delta.text.lower()
|
|
assert len(streamed_content) > 0
|
|
assert any(expected in streamed_content for expected in {"dog", "puppy", "pup"})
|