def test_flyweight_redundant_init(self):
first = JsonDelver(self.file.name)
first.set('/new', 'something')
second = JsonDelver(self.file.name)
self.assertEqual(second.get('/new'), 'something')
self.assertIs(first, second)
def test_write(self):
delve = JsonDelver(self.file.name)
delve.set('/newkey', 'something')
delve.write()
written = json.load(open(self.file.name, 'r'))
self.assertEqual(written, delve.data)