def test_write():
test_obj = PersistentLRUCache(directory=directory)
test_obj.write("some_key", "42")
test_obj.write("42", "some_key")
assert test_obj.get_value("some_key") == "42"
assert test_obj.get_value("42") == "some_key"
assert test_obj.is_dirty("some_key")
def test_refresh():
test_obj = PersistentLRUCache(directory=directory)
test_obj.refresh("some_key", "43", time.time())
test_obj.refresh("some_key","42", time.time())
assert test_obj.get_value("some_key") == "42"
test_obj.refresh("some_key","43", time.time()-1000)
assert test_obj.get_value("some_key") == "42", "Refresh should not have worked since the modified time of the 'disk' entry is older than the cache entry."
assert not test_obj.is_dirty("some_key")
def test_is_dirty():
test_obj = PersistentLRUCache(directory=directory)
test_obj.refresh("some_key", "43", time.time())
assert not test_obj.is_dirty("some_key")
test_obj.write("some_key", "42")
assert test_obj.is_dirty("some_key")
