batdetect2/tests/test_train/test_lightning.py
2025-06-26 17:39:50 -06:00

42 lines
1.0 KiB
Python

from pathlib import Path
import lightning as L
import pytest
import torch
import xarray as xr
from soundevent import data
from batdetect2.train import FullTrainingConfig, TrainingModule
def build_default_module():
return TrainingModule(FullTrainingConfig())
def test_can_initialize_default_module():
module = build_default_module()
assert isinstance(module, L.LightningModule)
def test_can_save_checkpoint(tmp_path: Path, clip: data.Clip):
module = build_default_module()
trainer = L.Trainer()
path = tmp_path / "example.ckpt"
trainer.strategy.connect(module)
trainer.save_checkpoint(path)
recovered = TrainingModule.load_from_checkpoint(path)
spec1 = module.preprocessor.preprocess_clip(clip)
spec2 = recovered.preprocessor.preprocess_clip(clip)
xr.testing.assert_equal(spec1, spec2)
input1 = torch.tensor([spec1.values]).unsqueeze(0)
input2 = torch.tensor([spec2.values]).unsqueeze(0)
output1 = module(input1)
output2 = recovered(input2)
torch.testing.assert_close(output1, output2)