def test__clear_cache(self):
# Arrange
# Create old cache file
cache_file = pypistats.CACHE_DIR / "2018-11-26-old-cache-file.json"
pypistats._save_cache(cache_file, data={})
assert cache_file.exists()
# Act
pypistats._clear_cache()
# Assert
assert not cache_file.exists()
def test_cache_round_trip(self):
# Arrange
filename = pypistats.CACHE_DIR / "test_cache_round_trip.json"
data = "test data"
# Act
pypistats._save_cache(filename, data)
new_data = pypistats._load_cache(filename)
# Tidy up
filename.unlink()
# Assert
assert new_data == data