imaginAIry/tests/test_utils.py
2022-10-10 22:32:39 -05:00

87 lines
2.5 KiB
Python

import platform
from datetime import datetime
from functools import lru_cache
from unittest import mock
import pytest
import torch.backends.mps
import torch.cuda
from imaginairy.utils import (
get_device,
get_hardware_description,
get_obj_from_str,
instantiate_from_config,
)
def test_get_device(monkeypatch):
# just run it for real to check that it doesn't error before we mock things
get_device()
m_cuda_is_available = mock.MagicMock()
m_mps_is_available = mock.MagicMock()
monkeypatch.setattr(torch.cuda, "is_available", m_cuda_is_available)
monkeypatch.setattr(torch.backends.mps, "is_available", m_mps_is_available)
get_device.cache_clear()
m_cuda_is_available.side_effect = lambda: True
m_mps_is_available.side_effect = lambda: False
assert get_device() == "cuda"
get_device.cache_clear()
m_cuda_is_available.side_effect = lambda: False
m_mps_is_available.side_effect = lambda: True
assert get_device() == "mps:0"
get_device.cache_clear()
m_cuda_is_available.side_effect = lambda: False
m_mps_is_available.side_effect = lambda: False
assert get_device() == "cpu"
def test_get_hardware_description(monkeypatch):
get_hardware_description.cache_clear()
monkeypatch.setattr(platform, "platform", lambda: "macOS-12.5.1-arm64-arm-64bit-z")
assert get_hardware_description("cpu") == "macOS-12.5.1-arm64-arm-64bit-z"
monkeypatch.setattr(platform, "platform", lambda: "macOS-12.5.1-arm64-arm-64bit-z")
monkeypatch.setattr(torch.cuda, "is_available", lambda: True)
monkeypatch.setattr(torch.cuda, "get_device_name", lambda x: "rtx-3090")
assert get_hardware_description("cuda") == "macOS-12.5.1-arm64-arm-64bit-z-rtx-3090"
get_hardware_description.cache_clear()
def test_get_obj_from_str():
foo = get_obj_from_str("functools.lru_cache")
assert lru_cache == foo
foo = get_obj_from_str("functools.lru_cache", reload=True)
assert lru_cache != foo
def test_instantiate_from_config():
config = {
"target": "datetime.datetime",
"params": {"year": 2002, "month": 10, "day": 1},
}
o = instantiate_from_config(config)
assert o == datetime(2002, 10, 1)
config = "__is_first_stage__"
assert instantiate_from_config(config) is None
config = "__is_unconditional__"
assert instantiate_from_config(config) is None
config = "asdf"
with pytest.raises(KeyError):
instantiate_from_config(config)
#
# def test_platform_appropriate_autocast():
# with platform_appropriate_autocast("autocast"):
# pass