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from collections.abc import Iterator
from contextlib import contextmanager
from pathlib import Path
from unittest.mock import patch
import pytest
import requests
import pyconify
from pyconify import _cache, api
from pyconify._cache import _SVGCache, clear_cache, get_cache_directory
def test_cache(tmp_path: Path) -> None:
assert isinstance(get_cache_directory(), Path)
# don't delete the real cache, regardless of other monkeypatching
with patch.object(_cache, "get_cache_directory", lambda: tmp_path / "tmp"):
clear_cache()
cache = _SVGCache(tmp_path)
KEY, VAL = "testkey", b"testval"
cache[KEY] = VAL
assert cache[KEY] == VAL
assert cache.path.joinpath(f"{KEY}.svg").exists()
assert list(cache) == [KEY]
assert KEY in cache
del cache[KEY]
assert not cache.path.joinpath(f"{KEY}.svg").exists()
with pytest.raises(KeyError):
cache["not a key"]
def test_cache_dir(monkeypatch: pytest.MonkeyPatch) -> None:
some_path = Path("/some/path").expanduser().resolve()
monkeypatch.setattr(_cache, "PYCONIFY_CACHE", str(some_path))
assert get_cache_directory() == some_path
def test_delete_stale() -> None:
cache = {"fa_0": b""}
_cache._delete_stale_svgs(cache)
assert not cache
@pytest.fixture
def tmp_cache(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> Iterator[Path]:
cache = tmp_path / "cache"
monkeypatch.setattr(_cache, "PYCONIFY_CACHE", str(cache))
monkeypatch.setattr(_cache, "_SVG_CACHE", None)
yield cache
@pytest.mark.usefixtures("tmp_cache")
def test_tmp_svg_with_fixture() -> None:
"""Test that we can set the cache directory to tmp_path with monkeypatch."""
result3 = pyconify.svg_path("bi", "alarm-fill")
assert str(result3).startswith(str(_cache.get_cache_directory()))
@contextmanager
def internet_offline() -> Iterator[None]:
"""Simulate an offline internet connection."""
session = api._session()
with patch.object(session, "get") as mock:
mock.side_effect = requests.ConnectionError("No internet connection.")
# clear functools caches...
for val in vars(pyconify).values():
if hasattr(val, "cache_clear"):
val.cache_clear()
yield
@pytest.mark.usefixtures("tmp_cache")
def test_cache_used_offline() -> None:
svg = pyconify.svg_path("mdi:pen-add", color="#333333")
svgb = pyconify.svg("mdi:pen-add", color="#333333")
# make sure a previously cached icon works offline
with internet_offline():
# make sure the patch works
with pytest.raises(requests.ConnectionError):
pyconify.svg_path("mdi:pencil-plus-outline")
# make sure the cached icon works
svg2 = pyconify.svg_path("mdi:pen-add", color="#333333")
assert svg == svg2
svgb2 = pyconify.svg("mdi:pen-add", color="#333333")
assert svgb == svgb2
@pytest.mark.usefixtures("tmp_cache")
def test_cache_loaded_offline(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(_cache, "_SVG_CACHE", None)
with internet_offline():
assert isinstance(_cache.svg_cache(), _cache._SVGCache)
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