TensorRT-LLMs/tests/integration/defs/examples/test_ad_guided_decoding.py
gramnarayan 88b0fbc8ff
[#8245][feat] Autodeploy: Guided Decoding Support (#8551)
Signed-off-by: William Zhang <133824995+2ez4bz@users.noreply.github.com>
Signed-off-by: Govind Ramnarayan <105831528+govind-ramnarayan@users.noreply.github.com>
Signed-off-by: Lucas Liebenwein <11156568+lucaslie@users.noreply.github.com>
Co-authored-by: William Zhang <133824995+2ez4bz@users.noreply.github.com>
Co-authored-by: Lucas Liebenwein <11156568+lucaslie@users.noreply.github.com>
2025-10-28 09:29:57 +08:00

113 lines
4.2 KiB
Python

# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
import os
from build_and_run_ad import ExperimentConfig, main
from defs.conftest import llm_models_root
from tensorrt_llm.sampling_params import GuidedDecodingParams
def test_autodeploy_guided_decoding_main_json():
schema = (
"{"
'"title": "WirelessAccessPoint", "type": "object", "properties": {'
'"ssid": {"title": "SSID", "type": "string"}, '
'"securityProtocol": {"title": "SecurityProtocol", "type": "string"}, '
'"bandwidth": {"title": "Bandwidth", "type": "string"}}, '
'"required": ["ssid", "securityProtocol", "bandwidth"]}')
model_path = os.path.join(llm_models_root(),
"llama-models-v2/TinyLlama-1.1B-Chat-v1.0")
print(f"model_path: {model_path}")
llm_args = {
"model": model_path,
"guided_decoding_backend": "xgrammar",
"skip_loading_weights": False,
}
experiment_config = {
"args": llm_args,
"benchmark": {
"enabled": False
},
"prompt": {
"batch_size":
1,
"queries":
("Please provide a JSON object representing a wireless access point. "
"Follow this exact schema: " + schema),
},
}
# DemoLLM runtime does not support guided decoding. Need to set runtime to trtllm.
experiment_config["args"]["runtime"] = "trtllm"
experiment_config["args"]["world_size"] = 1
cfg = ExperimentConfig(**experiment_config)
# Need to introduce the guided decoding params after ExperimentConfig construction
# because otherwise they get unpacked as a dict.
cfg.prompt.sp_kwargs = {
"max_tokens": 100,
"top_k": None,
"temperature": 0.1,
"guided_decoding": GuidedDecodingParams(json=schema),
}
result = main(cfg)
print(f"guided_text: {result}")
# Extract the generated text from the nested structure
# Format: {'prompts_and_outputs': [[prompt, output]]}
assert "prompts_and_outputs" in result, "Result should contain 'prompts_and_outputs'"
assert len(result["prompts_and_outputs"]
) > 0, "Should have at least one prompt/output pair"
_prompt, generated_text = result["prompts_and_outputs"][0]
print(f"Generated text: {generated_text}")
# Parse and validate the JSON
try:
guided_json = json.loads(generated_text)
except Exception as e:
print(
f"Failed to parse generated text as JSON. Raw text: {generated_text!r}"
)
raise AssertionError(f"Generated text is not valid JSON: {e}") from e
# Assert the JSON conforms to the schema
assert "ssid" in guided_json, "JSON must contain 'ssid' field"
assert "securityProtocol" in guided_json, "JSON must contain 'securityProtocol' field"
assert "bandwidth" in guided_json, "JSON must contain 'bandwidth' field"
# Validate field types
assert isinstance(guided_json["ssid"], str), "'ssid' must be a string"
assert isinstance(guided_json["securityProtocol"],
str), "'securityProtocol' must be a string"
assert isinstance(guided_json["bandwidth"],
str), "'bandwidth' must be a string"
# Validate non-empty values
assert len(guided_json["ssid"]) > 0, "'ssid' must not be empty"
assert len(guided_json["securityProtocol"]
) > 0, "'securityProtocol' must not be empty"
assert len(guided_json["bandwidth"]) > 0, "'bandwidth' must not be empty"
print(f"Validation passed! Generated JSON: {guided_json}")