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Kohya-ss-sd-scripts/tests/library/test_flux_utils.py
2025-03-26 16:35:04 -04:00

94 lines
3.1 KiB
Python

import pytest
from pathlib import Path
import tempfile
from library.flux_utils import get_checkpoint_paths
def test_get_checkpoint_paths():
# Create a temporary directory for testing
with tempfile.TemporaryDirectory() as temp_dir:
temp_path = Path(temp_dir)
# Scenario 1: Single safetensors file in root directory
single_file = temp_path / "model.safetensors"
single_file.touch()
paths = get_checkpoint_paths(str(single_file))
assert len(paths) == 1
assert paths[0] == single_file
def test_multiple_root_checkpoint_paths():
"""
Multiple single safetensors files in root directory
"""
with tempfile.TemporaryDirectory() as temp_dir:
temp_path = Path(temp_dir)
# Scenario 2:
file1 = temp_path / "model1.safetensors"
file2 = temp_path / "model2.safetensors"
file1.touch()
file2.touch()
paths = get_checkpoint_paths(temp_path)
assert len(paths) == 2
assert set(paths) == {file1, file2}
def test_multipart_sharded_checkpoint():
with tempfile.TemporaryDirectory() as temp_dir:
temp_path = Path(temp_dir)
# Scenario 3: Sharded multi-part checkpoint
# Create sharded checkpoint files
base_name = "diffusion_pytorch_model"
total_parts = 3
for i in range(1, total_parts + 1):
(temp_path / f"{base_name}-{i:05d}-of-{total_parts:05d}.safetensors").touch()
paths = get_checkpoint_paths(temp_path)
assert len(paths) == total_parts
# Check if all expected part paths are present
expected_paths = [temp_path / f"{base_name}-{i:05d}-of-{total_parts:05d}.safetensors" for i in range(1, total_parts + 1)]
assert set(paths) == set(expected_paths)
def test_transformer_model_dir():
with tempfile.TemporaryDirectory() as temp_dir:
temp_path = Path(temp_dir)
transformer_dir = temp_path / "transformer"
transformer_dir.mkdir()
transformer_file = transformer_dir / "diffusion_pytorch_model.safetensors"
transformer_file.touch()
paths = get_checkpoint_paths(temp_path)
assert transformer_file in paths
def test_mixed_files_sharded_checkpoints():
with tempfile.TemporaryDirectory() as temp_dir:
temp_path = Path(temp_dir)
# Scenario 5: Mixed files and sharded checkpoints
mixed_dir = temp_path / "mixed"
mixed_dir.mkdir()
# Create a single file
(mixed_dir / "single_model.safetensors").touch()
# Create sharded checkpoint
base_name = "diffusion_pytorch_model"
total_parts = 2
for i in range(1, total_parts + 1):
(mixed_dir / f"{base_name}-{i:05d}-of-{total_parts:05d}.safetensors").touch()
paths = get_checkpoint_paths(mixed_dir)
assert len(paths) == total_parts + 1
# Verify correct handling of Path and str inputs
path_input = mixed_dir
str_input = str(mixed_dir)
path_paths = get_checkpoint_paths(path_input)
str_paths = get_checkpoint_paths(str_input)
assert set(path_paths) == set(str_paths)