def test_eq(self):
delve1 = JsonDelver(self.file1.name)
delve2 = JsonDelver(self.file2.name)
delve3 = DataDelver(delve1.get('').copy())
linked = ChainedDelver(delve1, delve2)
notequal = ChainedDelver(delve2, delve1)
equal = ChainedDelver(delve3, delve2)
self.assertNotEqual(linked, notequal)
self.assertEqual(linked, equal)
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_default(self):
delve = JsonDelver(self.file.name)
sentinel = object()
self.assertIs(delve.get('/nonexistent', sentinel), sentinel)
def test_init(self):
delve = JsonDelver(self.file.name)
self.assertEqual(delve.get(''), self.data)