241 lines
7.4 KiB
Python
241 lines
7.4 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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import base64
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import numpy as np
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import pytest
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import requests
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from vllm.entrypoints.openai.protocol import PoolingResponse
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from vllm.transformers_utils.tokenizer import get_tokenizer
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from ...utils import RemoteOpenAIServer
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MODEL_NAME = "jason9693/Qwen2.5-1.5B-apeach"
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DUMMY_CHAT_TEMPLATE = """{% for message in messages %}{{message['role'] + ': ' + message['content'] + '\\n'}}{% endfor %}""" # noqa: E501
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@pytest.fixture(scope="module")
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def server():
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args = [
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"--task",
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"classify",
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# use half precision for speed and memory savings in CI environment
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"--dtype",
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"bfloat16",
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"--enforce-eager",
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"--max-model-len",
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"8192",
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"--chat-template",
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DUMMY_CHAT_TEMPLATE,
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]
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with RemoteOpenAIServer(MODEL_NAME, args) as remote_server:
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yield remote_server
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@pytest.mark.asyncio
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@pytest.mark.parametrize("model_name", [MODEL_NAME])
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async def test_single_pooling(server: RemoteOpenAIServer, model_name: str):
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input_texts = [
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"The chef prepared a delicious meal.",
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]
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# test single pooling
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response = requests.post(
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server.url_for("pooling"),
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json={
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"model": model_name,
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"input": input_texts,
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"encoding_format": "float"
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},
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)
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response.raise_for_status()
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poolings = PoolingResponse.model_validate(response.json())
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assert poolings.id is not None
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assert len(poolings.data) == 1
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assert len(poolings.data[0].data) == 2
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assert poolings.usage.completion_tokens == 0
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assert poolings.usage.prompt_tokens == 7
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assert poolings.usage.total_tokens == 7
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# test using token IDs
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input_tokens = [1, 1, 1, 1, 1]
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response = requests.post(
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server.url_for("pooling"),
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json={
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"model": model_name,
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"input": input_tokens,
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"encoding_format": "float"
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},
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)
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response.raise_for_status()
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poolings = PoolingResponse.model_validate(response.json())
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assert poolings.id is not None
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assert len(poolings.data) == 1
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assert len(poolings.data[0].data) == 2
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assert poolings.usage.completion_tokens == 0
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assert poolings.usage.prompt_tokens == 5
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assert poolings.usage.total_tokens == 5
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@pytest.mark.asyncio
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@pytest.mark.parametrize("model_name", [MODEL_NAME])
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async def test_batch_pooling(server: RemoteOpenAIServer, model_name: str):
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# test list[str]
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input_texts = [
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"The cat sat on the mat.", "A feline was resting on a rug.",
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"Stars twinkle brightly in the night sky."
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]
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response = requests.post(
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server.url_for("pooling"),
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json={
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"model": model_name,
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"input": input_texts,
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"encoding_format": "float"
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},
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)
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response.raise_for_status()
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poolings = PoolingResponse.model_validate(response.json())
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assert poolings.id is not None
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assert len(poolings.data) == 3
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assert len(poolings.data[0].data) == 2
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assert poolings.usage.completion_tokens == 0
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assert poolings.usage.prompt_tokens == 25
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assert poolings.usage.total_tokens == 25
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# test list[list[int]]
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input_tokens = [[4, 5, 7, 9, 20], [15, 29, 499], [24, 24, 24, 24, 24],
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[25, 32, 64, 77]]
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response = requests.post(
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server.url_for("pooling"),
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json={
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"model": model_name,
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"input": input_tokens,
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"encoding_format": "float"
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},
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)
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response.raise_for_status()
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poolings = PoolingResponse.model_validate(response.json())
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assert poolings.id is not None
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assert len(poolings.data) == 4
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assert len(poolings.data[0].data) == 2
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assert poolings.usage.completion_tokens == 0
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assert poolings.usage.prompt_tokens == 17
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assert poolings.usage.total_tokens == 17
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@pytest.mark.asyncio
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@pytest.mark.parametrize("model_name", [MODEL_NAME])
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async def test_conversation_pooling(server: RemoteOpenAIServer,
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model_name: str):
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messages = [{
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"role": "user",
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"content": "The cat sat on the mat.",
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}, {
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"role": "assistant",
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"content": "A feline was resting on a rug.",
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}, {
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"role": "user",
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"content": "Stars twinkle brightly in the night sky.",
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}]
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chat_response = requests.post(
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server.url_for("pooling"),
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json={
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"model": model_name,
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"messages": messages,
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"encoding_format": "float",
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},
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)
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chat_response.raise_for_status()
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chat_poolings = PoolingResponse.model_validate(chat_response.json())
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tokenizer = get_tokenizer(tokenizer_name=model_name, tokenizer_mode="fast")
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prompt = tokenizer.apply_chat_template(
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messages,
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chat_template=DUMMY_CHAT_TEMPLATE,
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add_generation_prompt=True,
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continue_final_message=False,
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tokenize=False,
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)
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completions_response = requests.post(
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server.url_for("pooling"),
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json={
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"model": model_name,
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"input": prompt,
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"encoding_format": "float",
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# To be consistent with chat
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"add_special_tokens": False,
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},
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)
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completions_response.raise_for_status()
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completion_poolings = PoolingResponse.model_validate(
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completions_response.json())
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assert chat_poolings.id is not None
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assert completion_poolings.id is not None
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assert chat_poolings.created <= completion_poolings.created
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assert chat_poolings.model_dump(
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exclude={"id", "created"}) == (completion_poolings.model_dump(
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exclude={"id", "created"}))
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@pytest.mark.asyncio
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@pytest.mark.parametrize("model_name", [MODEL_NAME])
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async def test_batch_base64_pooling(server: RemoteOpenAIServer,
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model_name: str):
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input_texts = [
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"Hello my name is",
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"The best thing about vLLM is that it supports many different models"
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]
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float_response = requests.post(
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server.url_for("pooling"),
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json={
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"input": input_texts,
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"model": model_name,
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"encoding_format": "float",
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},
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)
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float_response.raise_for_status()
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responses_float = PoolingResponse.model_validate(float_response.json())
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base64_response = requests.post(
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server.url_for("pooling"),
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json={
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"input": input_texts,
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"model": model_name,
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"encoding_format": "base64",
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},
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)
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base64_response.raise_for_status()
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responses_base64 = PoolingResponse.model_validate(base64_response.json())
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decoded_responses_base64_data = []
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for data in responses_base64.data:
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decoded_responses_base64_data.append(
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np.frombuffer(base64.b64decode(data.data),
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dtype="float32").tolist())
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assert responses_float.data[0].data == decoded_responses_base64_data[0]
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assert responses_float.data[1].data == decoded_responses_base64_data[1]
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# Default response is float32 decoded from base64 by OpenAI Client
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default_response = requests.post(
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server.url_for("pooling"),
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json={
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"input": input_texts,
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"model": model_name,
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},
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)
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default_response.raise_for_status()
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responses_default = PoolingResponse.model_validate(default_response.json())
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assert responses_float.data[0].data == responses_default.data[0].data
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assert responses_float.data[1].data == responses_default.data[1].data
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