def test_decoder_cache_remove_orphans(tmpdir):
cache_dir = str(tmpdir)
cache = DecoderCache(cache_dir=cache_dir)
assert os.listdir(cache_dir) == []
# Create some files; one matching pair, two mismatches, and a random
def touch(fname):
path = os.path.join(cache_dir, fname)
with open(path, 'w'):
os.utime(path, None)
files = ['a.npy', 'a.pkl', 'b.npy', 'c.pkl', 'rando.txt']
for f in files:
touch(f)
assert sorted(os.listdir(cache_dir)) == files
cache.remove_orphans()
# This should do
files.remove('b.npy')
files.remove('c.pkl')
assert sorted(os.listdir(cache_dir)) == files
