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comment whole test_vlm_generation.py file
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JoyboyBrian committed Aug 29, 2024
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Showing 1 changed file with 53 additions and 53 deletions.
106 changes: 53 additions & 53 deletions tests/test_vlm_generation.py
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from nexa.gguf import NexaVLMInference
from nexa.gguf.lib_utils import is_gpu_available
from tempfile import TemporaryDirectory
from .utils import download_model
# from nexa.gguf import NexaVLMInference
# from nexa.gguf.lib_utils import is_gpu_available
# from tempfile import TemporaryDirectory
# from .utils import download_model

# Initialize the model
model = NexaVLMInference(
model_path="nanollava",
verbose=False,
n_gpu_layers=-1 if is_gpu_available() else 0,
)
# # Initialize the model
# model = NexaVLMInference(
# model_path="nanollava",
# verbose=False,
# n_gpu_layers=-1 if is_gpu_available() else 0,
# )

# Test VLM generation without an image
def test_text_only_generation():
output = model.create_chat_completion(
messages=[
{"role": "user", "content": "What is the capital of France?"}
],
max_tokens=100,
stream=False
)
response = output["choices"][0]["message"]["content"]
print("Text-only response:", response)
assert "Paris" in response, "The response should mention Paris"
# # Test VLM generation without an image
# def test_text_only_generation():
# output = model.create_chat_completion(
# messages=[
# {"role": "user", "content": "What is the capital of France?"}
# ],
# max_tokens=100,
# stream=False
# )
# response = output["choices"][0]["message"]["content"]
# print("Text-only response:", response)
# assert "Paris" in response, "The response should mention Paris"

# Test VLM generation with an image
def test_image_description():
img_url = "https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Gfp-wisconsin-madison-the-nature-boardwalk.jpg/2560px-Gfp-wisconsin-madison-the-nature-boardwalk.jpg"
with TemporaryDirectory() as temp_dir:
img_path = download_model(img_url, temp_dir)
user_input = "Describe this image in detail."
output = model._chat(user_input, img_path)
response = ""
for chunk in output:
delta = chunk["choices"][0]["delta"]
if "content" in delta:
response += delta["content"]
print("Image description:", response)
assert len(response) > 50, "The image description should be detailed"
# # Test VLM generation with an image
# def test_image_description():
# img_url = "https://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Gfp-wisconsin-madison-the-nature-boardwalk.jpg/2560px-Gfp-wisconsin-madison-the-nature-boardwalk.jpg"
# with TemporaryDirectory() as temp_dir:
# img_path = download_model(img_url, temp_dir)
# user_input = "Describe this image in detail."
# output = model._chat(user_input, img_path)
# response = ""
# for chunk in output:
# delta = chunk["choices"][0]["delta"]
# if "content" in delta:
# response += delta["content"]
# print("Image description:", response)
# assert len(response) > 50, "The image description should be detailed"

# Test streaming output
def test_streaming_output():
global model
messages = [
{"role": "user", "content": "Write a short story about a robot learning to paint."}
]
output = model.create_chat_completion(messages=messages, max_tokens=200, stream=True)
story = ""
for chunk in output:
if "choices" in chunk and len(chunk["choices"]) > 0:
delta = chunk["choices"][0]["delta"]
if "content" in delta:
story += delta["content"]
print(delta["content"], end="", flush=True)
print("\nFull story:", story)
assert len(story) > 100, "The generated story should be of substantial length"
# # Test streaming output
# def test_streaming_output():
# global model
# messages = [
# {"role": "user", "content": "Write a short story about a robot learning to paint."}
# ]
# output = model.create_chat_completion(messages=messages, max_tokens=200, stream=True)
# story = ""
# for chunk in output:
# if "choices" in chunk and len(chunk["choices"]) > 0:
# delta = chunk["choices"][0]["delta"]
# if "content" in delta:
# story += delta["content"]
# print(delta["content"], end="", flush=True)
# print("\nFull story:", story)
# assert len(story) > 100, "The generated story should be of substantial length"

# Main execution
# # Main execution
# if __name__ == "__main__":
# print("=== Testing Text-Only Generation ===")
# test_text_only_generation()
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