File size: 1,629 Bytes
17c6d62 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 |
import os
import tempfile
import unittest
from transformers import TrainingArguments
class TestTrainingArguments(unittest.TestCase):
def test_default_output_dir(self):
"""Test that output_dir defaults to 'trainer_output' when not specified."""
args = TrainingArguments(output_dir=None)
self.assertEqual(args.output_dir, "trainer_output")
def test_custom_output_dir(self):
"""Test that output_dir is respected when specified."""
with tempfile.TemporaryDirectory() as tmp_dir:
args = TrainingArguments(output_dir=tmp_dir)
self.assertEqual(args.output_dir, tmp_dir)
def test_output_dir_creation(self):
"""Test that output_dir is created only when needed."""
with tempfile.TemporaryDirectory() as tmp_dir:
output_dir = os.path.join(tmp_dir, "test_output")
# Directory should not exist before creating args
self.assertFalse(os.path.exists(output_dir))
# Create args with save_strategy="no" - should not create directory
args = TrainingArguments(
output_dir=output_dir,
do_train=True,
save_strategy="no",
report_to=None,
)
self.assertFalse(os.path.exists(output_dir))
# Now set save_strategy="steps" - should create directory when needed
args.save_strategy = "steps"
args.save_steps = 1
self.assertFalse(os.path.exists(output_dir)) # Still shouldn't exist
# Directory should be created when actually needed (e.g. in Trainer)
|