Made-With-ML/tests/code/test_utils.py

62 lines
1.7 KiB
Python

import tempfile
from pathlib import Path
import numpy as np
import pytest
import torch
from madewithml import utils
def test_set_seed():
utils.set_seeds()
a = np.random.randn(2, 3)
b = np.random.randn(2, 3)
utils.set_seeds()
x = np.random.randn(2, 3)
y = np.random.randn(2, 3)
assert np.array_equal(a, x)
assert np.array_equal(b, y)
def test_save_and_load_dict():
with tempfile.TemporaryDirectory() as dp:
d = {"hello": "world"}
fp = Path(dp, "d.json")
utils.save_dict(d=d, path=fp)
d = utils.load_dict(path=fp)
assert d["hello"] == "world"
def test_pad_array():
arr = np.array([[1, 2], [1, 2, 3]], dtype="object")
padded_arr = np.array([[1, 2, 0], [1, 2, 3]])
assert np.array_equal(utils.pad_array(arr), padded_arr)
def test_collate_fn():
batch = {
"ids": np.array([[1, 2], [1, 2, 3]], dtype="object"),
"masks": np.array([[1, 1], [1, 1, 1]], dtype="object"),
"targets": np.array([3, 1]),
}
processed_batch = utils.collate_fn(batch)
expected_batch = {
"ids": torch.tensor([[1, 2, 0], [1, 2, 3]], dtype=torch.int32),
"masks": torch.tensor([[1, 1, 0], [1, 1, 1]], dtype=torch.int32),
"targets": torch.tensor([3, 1], dtype=torch.int64),
}
for k in batch:
assert torch.allclose(processed_batch[k], expected_batch[k])
@pytest.mark.parametrize(
"d, keys, list",
[
({"a": [1, 2], "b": [1, 2]}, ["a", "b"], [{"a": 1, "b": 1}, {"a": 2, "b": 2}]),
({"a": [1, 2], "b": [1, 2]}, ["a"], [{"a": 1}, {"a": 2}]),
],
)
def test_dict_to_list(d, keys, list):
assert utils.dict_to_list(d, keys=keys) == list