def test_difference_empty(self):
s = PowerSet()
s2 = PowerSet()
s.put('One')
s.put('Two')
s.put('Three')
s2.put('One')
s2.put('Two')
s2.put('Three')
result = s.difference(s2)
self.assertEqual(result.size(), 0)
class TestPowerSet(unittest.TestCase):
def setUp(self):
self.set_1 = PowerSet()
self.set_1.put("AA")
self.set_1.put("Bc")
self.set_1.put("dE")
self.set_1.put("eD")
self.set_2 = PowerSet()
self.set_2.put("AA")
self.set_2.put("BB")
self.set_2.put("dE")
self.set_2.put("DD")
def test_put(self):
self.set_1 = PowerSet()
self.assertEqual(self.set_1.slots,
[None, None, None, None, None, None, None])
self.set_1.put("AA")
self.set_1.put("Bc")
self.set_1.put("dE")
self.set_1.put("eD")
self.assertEqual(
self.set_1.slots,
[None, ['dE', 'eD'], None, None, ['AA', 'Bc'], None, None])
self.set_1.put("AA")
self.set_1.put("Bc")
self.set_1.put("dE")
self.set_1.put("eD")
self.assertEqual(
self.set_1.slots,
[None, ['dE', 'eD'], None, None, ['AA', 'Bc'], None, None])
def test_size(self):
self.assertEqual(self.set_1.size(), 4)
def test_remove(self):
self.set_1.remove("Bc")
self.assertEqual(self.set_1.slots,
[None, ['dE', 'eD'], None, None, ['AA'], None, None])
def test_intersection(self):
self.assertEqual(
self.set_1.intersection(self.set_2).slots,
[None, ['dE'], None, None, ['AA'], None, None])
self.set_2 = PowerSet()
self.set_2.put('EE')
self.set_2.put('DD')
self.assertEqual(
self.set_1.intersection(self.set_2).slots,
[None, None, None, None, None, None, None])
self.set_2 = PowerSet()
self.assertEqual(
self.set_1.intersection(self.set_2).slots,
[None, None, None, None, None, None, None])
def test_union(self):
self.assertEqual(
self.set_1.union(self.set_2).slots,
[None, ['dE', 'eD'], None, ['DD'], ['AA', 'Bc'], None, ['BB']])
self.set_2 = PowerSet()
self.assertEqual(
self.set_1.union(self.set_2).slots,
[None, ['dE', 'eD'], None, None, ['AA', 'Bc'], None, None])
self.set_1 = PowerSet()
self.set_2 = PowerSet()
self.set_2.put("AA")
self.set_2.put("Bc")
self.set_2.put("dE")
self.set_2.put("eD")
self.assertEqual(
self.set_1.union(self.set_2).slots,
[None, ['dE', 'eD'], None, None, ['AA', 'Bc'], None, None])
def test_difference(self):
self.assertEqual(
self.set_1.difference(self.set_2).slots,
[None, ['eD'], None, None, ['Bc'], None, None])
def test_issubset(self):
self.assertEqual(self.set_1.issubset(self.set_2), False)
self.set_3 = PowerSet()
self.set_3.put("AA")
self.set_3.put("dE")
self.assertEqual(self.set_1.issubset(self.set_3), True)