class TestRestrictedList(TestCase):
def setUp(self):
self.constraint = lambda value: 1 <= value <= 10
self.data_source = [1, 2, 3]
self.list = RestrictedList(constraint=self.constraint, source=self.data_source)
def test_init(self):
self.list = RestrictedList(constraint=self.constraint, source=[1, 5, 10])
with self.assertRaises(ValueError):
self.list = RestrictedList(constraint=self.constraint, source=[1, 20, 10])
def test_setitem(self):
self.list[0] = 9
self.assertEqual(self.list[0], 9)
with self.assertRaises(ValueError):
self.list[0] = 11
def test_eq(self):
self.assertEqual(self.list, self.data_source)
self.assertEqual(self.list, RestrictedList(constraint=lambda value: True, source=self.data_source))
self.assertNotEqual(self.list, [1, 100, 500])
def test_insert(self):
self.list.insert(0, 1)
self.list.insert(1, 10)
with self.assertRaises(ValueError):
self.list.insert(1, 11)
def test_is_valid(self):
self.assertTrue(self.list.is_valid(1))
self.assertTrue(self.list.is_valid(5))
self.assertTrue(self.list.is_valid(10))
self.assertFalse(self.list.is_valid(None))
self.assertFalse(self.list.is_valid('1'))
def setUp(self):
self.constraint = lambda value: 1 <= value <= 10
self.data_source = [1, 2, 3]
self.list = RestrictedList(constraint=self.constraint, source=self.data_source)
def test_init(self):
self.list = RestrictedList(constraint=self.constraint, source=[1, 5, 10])
with self.assertRaises(ValueError):
self.list = RestrictedList(constraint=self.constraint, source=[1, 20, 10])