def test_existing_cache_path(self):
with tempfile.TemporaryDirectory() as tmpdir:
cache1 = FileSystemCache(tmpdir)
cache1.put("foo", b"bar")
del cache1
cache2 = FileSystemCache(tmpdir)
self.assertEqual(cache2.get("foo"), b"bar")
def test_size_of_existing_directory(self):
with tempfile.TemporaryDirectory() as tmpdir:
cache1 = FileSystemCache(tmpdir)
cache1.put("foo", b"bar")
del cache1
cache2 = FileSystemCache(tmpdir)
self.assertEqual(cache2._get_cache_directory_size(), 3)
def test_delete_multiple_files(self):
with tempfile.TemporaryDirectory() as tmpdir:
cache = FileSystemCache(tmpdir, max_cache_size_bytes=6)
cache.put("first", b"one")
# Sleep because otherwise these operations execute too fast and
# the access time isn't captured properly.
time.sleep(1)
cache.put("second", b"two")
cache.put("third", b"three")
self.assertEqual(cache.get("first"), None)
self.assertEqual(cache.get("second"), None)
self.assertEqual(cache.get("third"), b"three")
def test_size_of_directory(self):
with tempfile.TemporaryDirectory() as tmpdir:
cache = FileSystemCache(tmpdir)
cache.put("foo", b"bar")
self.assertEqual(cache._get_cache_directory_size(), 3)
def test_empty_key_put(self):
with tempfile.TemporaryDirectory() as tmpdir:
cache = FileSystemCache(tmpdir)
with self.assertRaisesRegex(ValueError, r"key cannot be empty"):
cache.put("", b"bar")
def test_empty_value_put(self):
with tempfile.TemporaryDirectory() as tmpdir:
cache = FileSystemCache(tmpdir)
cache.put("foo", b"")
self.assertEqual(cache.get("foo"), b"")
def test_put_and_get_key(self):
with tempfile.TemporaryDirectory() as tmpdir:
cache = FileSystemCache(tmpdir)
cache.put("foo", b"bar")
self.assertEqual(cache.get("foo"), b"bar")
def test_file_bigger_than_cache(self):
with tempfile.TemporaryDirectory() as tmpdir:
cache = FileSystemCache(tmpdir, max_cache_size_bytes=2)
cache.put("foo", b"bar")
self.assertEqual(cache.get("foo"), None)