wehub-resource-sync
81 lines
2.7 KiB
Python
81 lines
2.7 KiB
Python
from contextlib import redirect_stdout
|
|
from io import StringIO
|
|
from unittest import mock
|
|
|
|
import pytest
|
|
|
|
from litgpt.__main__ import main
|
|
|
|
|
|
def test_cli():
|
|
out = StringIO()
|
|
with pytest.raises(SystemExit), redirect_stdout(out), mock.patch("sys.argv", ["litgpt", "-h"]):
|
|
main()
|
|
out = out.getvalue()
|
|
assert "usage: litgpt" in out
|
|
assert (
|
|
"{download,chat,finetune,finetune_lora,finetune_full,finetune_adapter,finetune_adapter_v2,"
|
|
"pretrain,generate,generate_full,generate_adapter,generate_adapter_v2,generate_sequentially,"
|
|
"generate_speculatively,generate_tp,convert_to_litgpt,convert_from_litgpt,convert_pretrained_checkpoint,"
|
|
"merge_lora,evaluate,serve,validate}" in out
|
|
)
|
|
assert (
|
|
"""Available subcommands:
|
|
download Download weights or tokenizer data from the Hugging
|
|
Face Hub.
|
|
chat Chat with a model."""
|
|
in out
|
|
)
|
|
assert """evaluate Evaluate a model with the LM Evaluation Harness.""" in out
|
|
assert """serve Serve a LitGPT model using LitServe.""" in out
|
|
out = StringIO()
|
|
with pytest.raises(SystemExit), redirect_stdout(out), mock.patch("sys.argv", ["litgpt", "finetune_lora", "-h"]):
|
|
main()
|
|
out = out.getvalue()
|
|
assert (
|
|
"""--lora_alpha LORA_ALPHA
|
|
The LoRA alpha. (type: int, default: 16)"""
|
|
in out
|
|
)
|
|
|
|
out = StringIO()
|
|
with pytest.raises(SystemExit), redirect_stdout(out), mock.patch("sys.argv", ["litgpt", "pretrain", "-h"]):
|
|
main()
|
|
out = out.getvalue()
|
|
print(out)
|
|
assert (
|
|
"""--train.max_tokens MAX_TOKENS
|
|
Total number of tokens to train on (type: int | None,
|
|
default: 3000000000000)"""
|
|
in out
|
|
)
|
|
|
|
|
|
def test_pretrain_allows_max_steps():
|
|
# Ensure --train.max_steps is accepted by the CLI for pretrain
|
|
# and only emits a warning instead of raising a validation error.
|
|
args = [
|
|
"litgpt",
|
|
"pretrain",
|
|
"pythia-14m",
|
|
"--train.max_steps=1",
|
|
"--out_dir=out/test-cli",
|
|
]
|
|
|
|
with pytest.warns(UserWarning, match="max_steps"):
|
|
try:
|
|
with mock.patch("sys.argv", args):
|
|
main()
|
|
except Exception:
|
|
pass
|
|
|
|
|
|
def test_rewrite_finetune_command():
|
|
out1 = StringIO()
|
|
with pytest.raises(SystemExit), redirect_stdout(out1), mock.patch("sys.argv", ["litgpt", "fineune", "-h"]):
|
|
main()
|
|
out2 = StringIO()
|
|
with pytest.raises(SystemExit), redirect_stdout(out2), mock.patch("sys.argv", ["litgpt", "fineune_lora", "-h"]):
|
|
main()
|
|
assert out1.getvalue() == out2.getvalue()
|