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import os
import sys
import time
from unittest.mock import patch
import pytest
from magicgui._util import debounce, user_cache_dir
from magicgui.widgets import FunctionGui
def test_user_cache_dir():
ucd = user_cache_dir()
import sys
from pathlib import Path
home = Path.home().resolve()
if sys.platform == "win32":
assert str(ucd) == str(home / "AppData" / "Local" / "magicgui" / "Cache")
elif sys.platform == "darwin":
assert str(ucd) == str(home / "Library" / "Caches" / "magicgui")
else:
assert str(ucd) == str(home / ".cache" / "magicgui")
@pytest.mark.skipif(
bool(os.getenv("CI") and sys.platform == "win32"),
reason="persistence test failing on CI",
)
def test_persistence(tmp_path):
"""Test that we can persist values across instances."""
def _my_func(x: int, y="hello"): ...
with patch("magicgui._util.user_cache_dir", lambda: tmp_path):
fg = FunctionGui(_my_func, persist=True)
assert str(tmp_path) in str(fg._dump_path)
assert fg.x.value == 0
fg.x.value = 10
time.sleep(0.3) # wait for debounce
fg.y.value = "world"
time.sleep(0.3) # wait for debounce
# second instance should match values of first
fg2 = FunctionGui(_my_func, persist=True)
assert fg2.x.value == 10
assert fg2.y.value == "world"
assert fg2.__signature__ == fg.__signature__
assert fg2 is not fg
@pytest.mark.skipif(bool(os.getenv("CI")), reason="debounce test too brittle on CI")
def test_debounce():
store = []
@debounce(wait=0.1)
def func(x):
store.append(x)
for i in range(10):
func(i)
time.sleep(0.034)
time.sleep(0.15)
assert len(store) <= 7 # exact timing will vary on CI ... fails too much
assert store[-1] == 9
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