def test_constructors(self): """ Test NumDict constructors """ # dicts for testing dict_0 = {} # Empty dictionary dict_1 = {1: "Elephant"} # Single numeric key dict_2 = {1: "Elephant", 2: "Mouse"} # Multiple numeric keys dict_3 = {"3": "Aardvark"} # Numeric string key dict_4 = {"3": "Aardvark", "4": "Ant"} # Multiple numeric string keys dict_5 = { 5: "Cat", "6": "Dog" } # Mixed numeric and numeric string keys dict_6 = {1: None, "2": None} # None as values dict_7 = {0: "Empty"} # None as key # Construct NumDicts from dicts num_dict = NumDict() num_dict_0 = NumDict(dict_0) num_dict_1 = NumDict(dict_1) num_dict_2 = NumDict(dict_2) num_dict_3 = NumDict(dict_3) num_dict_4 = NumDict(dict_4) num_dict_5 = NumDict(dict_5) num_dict_6 = NumDict(dict_6) num_dict_7 = NumDict(dict_7) # Most NumDicts from dicts should compare equal... assert num_dict == {} assert num_dict_0 == dict_0 assert num_dict_1 == dict_1 assert num_dict_2 == dict_2 # ...however, numeric keys are not equal to numeric string keys... assert num_dict_3 != dict_3 assert num_dict_4 != dict_4 assert num_dict_5 != dict_5 assert num_dict_6 != dict_6 assert num_dict_7 == dict_7 # Construct dicts from NumDicts dict_from_num_dict = dict(num_dict) dict_from_num_dict_1 = dict(num_dict_1) dict_from_num_dict_2 = dict(num_dict_2) dict_from_num_dict_3 = dict(num_dict_3) dict_from_num_dict_4 = dict(num_dict_4) dict_from_num_dict_5 = dict(num_dict_5) dict_from_num_dict_6 = dict(num_dict_6) dict_from_num_dict_7 = dict(num_dict_7) # All dicts from NumDicts should compare equal assert num_dict == dict_from_num_dict assert num_dict_1 == dict_from_num_dict_1 assert num_dict_2 == dict_from_num_dict_2 assert num_dict_3 == dict_from_num_dict_3 assert num_dict_4 == dict_from_num_dict_4 assert num_dict_5 == dict_from_num_dict_5 assert num_dict_6 == dict_from_num_dict_6 assert num_dict_7 == dict_from_num_dict_7 # Construct NumDicts from NumDicts num_dict_from_num_dict = NumDict(num_dict) num_dict_from_num_dict_0 = NumDict(num_dict_0) num_dict_from_num_dict_1 = NumDict(num_dict_1) num_dict_from_num_dict_2 = NumDict(num_dict_2) num_dict_from_num_dict_3 = NumDict(num_dict_3) num_dict_from_num_dict_4 = NumDict(num_dict_4) num_dict_from_num_dict_5 = NumDict(num_dict_5) num_dict_from_num_dict_6 = NumDict(num_dict_6) num_dict_from_num_dict_7 = NumDict(num_dict_7) # All NumDicts from NumDicts should compare equal assert num_dict == num_dict_from_num_dict assert num_dict_0 == num_dict_from_num_dict_0 assert num_dict_1 == num_dict_from_num_dict_1 assert num_dict_2 == num_dict_from_num_dict_2 assert num_dict_3 == num_dict_from_num_dict_3 assert num_dict_4 == num_dict_from_num_dict_4 assert num_dict_5 == num_dict_from_num_dict_5 assert num_dict_6 == num_dict_from_num_dict_6 assert num_dict_7 == num_dict_from_num_dict_7 # keyword arg constructor should fail with self.assertRaises(TypeError): NumDict( one=1, two=2) # Raise TypeError since we can't have numeric keywords # item sequence constructors work fine... assert NumDict([(1, "Elephant"), (2, "Mouse")]) == dict_from_num_dict_2 assert NumDict(dict=[(1, "Elephant"), (2, "Mouse")]) == dict_from_num_dict_2 assert NumDict([(1, "Elephant"), ("2", "Mouse")]) == dict_from_num_dict_2 assert NumDict(dict=[("1", "Elephant"), (2, "Mouse")]) == dict_from_num_dict_2 # ...unless you have a non-numeric key with self.assertRaises(TypeError): NumDict([("Rat", 11), ("Snake", 12)]) with self.assertRaises(TypeError): NumDict(dict=[("Rat", 11), ("Snake", 12)]) # combining item sequence constructors with keyword args does not work with self.assertRaises( TypeError ): # Raise TypeError since we can't have numeric keywords NumDict([(1, "one"), (2, "two")], two=3, five=4) # alternate constructors dict_8 = {1: "Echo", 2: "Echo"} assert NumDict.fromkeys("1 2".split()) == dict_from_num_dict_6 assert NumDict().fromkeys("1 2".split()) == dict_from_num_dict_6 assert NumDict.fromkeys("1 2".split(), "Echo") == dict_8 assert NumDict().fromkeys("1 2".split(), "Echo") == dict_8 assert num_dict_1.fromkeys("1 2".split()) is not num_dict_1 self.assertIsInstance(num_dict_1.fromkeys("1 2".split()), NumDict) self.assertIsInstance(num_dict_2.fromkeys("1 2".split()), NumDict) self.assertIsInstance(num_dict_3.fromkeys("1 2".split()), NumDict) self.assertIsInstance(num_dict_4.fromkeys("1 2".split()), NumDict)
def test_constructors(self): """ Test NumDict constructors """ # dicts for testing dict_0 = {} # Empty dictionary dict_1 = {1: 'Elephant'} # Single numeric key dict_2 = {1: 'Elephant', 2: 'Mouse'} # Multiple numeric keys dict_3 = {'3': 'Aardvark'} # Numeric string key dict_4 = {'3': 'Aardvark', '4': 'Ant'} # Multiple numeric string keys dict_5 = { 5: 'Cat', '6': 'Dog' } # Mixed numeric and numeric string keys dict_6 = {1: None, '2': None} # None as values dict_7 = {0: 'Empty'} # None as key # Construct NumDicts from dicts num_dict = NumDict() num_dict_0 = NumDict(dict_0) num_dict_1 = NumDict(dict_1) num_dict_2 = NumDict(dict_2) num_dict_3 = NumDict(dict_3) num_dict_4 = NumDict(dict_4) num_dict_5 = NumDict(dict_5) num_dict_6 = NumDict(dict_6) num_dict_7 = NumDict(dict_7) # Most NumDicts from dicts should compare equal... self.assertEqual(num_dict, {}) self.assertEqual(num_dict_0, dict_0) self.assertEqual(num_dict_1, dict_1) self.assertEqual(num_dict_2, dict_2) # ...however, numeric keys are not equal to numeric string keys... self.assertNotEqual(num_dict_3, dict_3) self.assertNotEqual(num_dict_4, dict_4) self.assertNotEqual(num_dict_5, dict_5) self.assertNotEqual(num_dict_6, dict_6) self.assertEqual(num_dict_7, dict_7) # Construct dicts from NumDicts dict_from_num_dict = dict(num_dict) dict_from_num_dict_1 = dict(num_dict_1) dict_from_num_dict_2 = dict(num_dict_2) dict_from_num_dict_3 = dict(num_dict_3) dict_from_num_dict_4 = dict(num_dict_4) dict_from_num_dict_5 = dict(num_dict_5) dict_from_num_dict_6 = dict(num_dict_6) dict_from_num_dict_7 = dict(num_dict_7) # All dicts from NumDicts should compare equal self.assertEqual(num_dict, dict_from_num_dict) self.assertEqual(num_dict_1, dict_from_num_dict_1) self.assertEqual(num_dict_2, dict_from_num_dict_2) self.assertEqual(num_dict_3, dict_from_num_dict_3) self.assertEqual(num_dict_4, dict_from_num_dict_4) self.assertEqual(num_dict_5, dict_from_num_dict_5) self.assertEqual(num_dict_6, dict_from_num_dict_6) self.assertEqual(num_dict_7, dict_from_num_dict_7) # Construct NumDicts from NumDicts num_dict_from_num_dict = NumDict(num_dict) num_dict_from_num_dict_0 = NumDict(num_dict_0) num_dict_from_num_dict_1 = NumDict(num_dict_1) num_dict_from_num_dict_2 = NumDict(num_dict_2) num_dict_from_num_dict_3 = NumDict(num_dict_3) num_dict_from_num_dict_4 = NumDict(num_dict_4) num_dict_from_num_dict_5 = NumDict(num_dict_5) num_dict_from_num_dict_6 = NumDict(num_dict_6) num_dict_from_num_dict_7 = NumDict(num_dict_7) # All NumDicts from NumDicts should compare equal self.assertEqual(num_dict, num_dict_from_num_dict) self.assertEqual(num_dict_0, num_dict_from_num_dict_0) self.assertEqual(num_dict_1, num_dict_from_num_dict_1) self.assertEqual(num_dict_2, num_dict_from_num_dict_2) self.assertEqual(num_dict_3, num_dict_from_num_dict_3) self.assertEqual(num_dict_4, num_dict_from_num_dict_4) self.assertEqual(num_dict_5, num_dict_from_num_dict_5) self.assertEqual(num_dict_6, num_dict_from_num_dict_6) self.assertEqual(num_dict_7, num_dict_from_num_dict_7) # keyword arg constructor should fail with self.assertRaises(TypeError): NumDict( one=1, two=2) # Raise TypeError since we can't have numeric keywords # item sequence constructors work fine... self.assertEqual(NumDict([(1, 'Elephant'), (2, 'Mouse')]), dict_from_num_dict_2) self.assertEqual(NumDict(dict=[(1, 'Elephant'), (2, 'Mouse')]), dict_from_num_dict_2) self.assertEqual(NumDict([(1, 'Elephant'), ('2', 'Mouse')]), dict_from_num_dict_2) self.assertEqual(NumDict(dict=[('1', 'Elephant'), (2, 'Mouse')]), dict_from_num_dict_2) # ...unless you have a non-numeric key with self.assertRaises(TypeError): NumDict([('Rat', 11), ('Snake', 12)]) with self.assertRaises(TypeError): NumDict(dict=[('Rat', 11), ('Snake', 12)]) # combining item sequence constructors with keyword args does not work with self.assertRaises( TypeError ): # Raise TypeError since we can't have numeric keywords NumDict([(1, 'one'), (2, 'two')], two=3, five=4) # alternate constructors dict_8 = {1: 'Echo', 2: 'Echo'} self.assertEqual(NumDict.fromkeys('1 2'.split()), dict_from_num_dict_6) self.assertEqual(NumDict().fromkeys('1 2'.split()), dict_from_num_dict_6) self.assertEqual(NumDict.fromkeys('1 2'.split(), 'Echo'), dict_8) self.assertEqual(NumDict().fromkeys('1 2'.split(), 'Echo'), dict_8) self.assertTrue(num_dict_1.fromkeys('1 2'.split()) is not num_dict_1) self.assertIsInstance(num_dict_1.fromkeys('1 2'.split()), NumDict) self.assertIsInstance(num_dict_2.fromkeys('1 2'.split()), NumDict) self.assertIsInstance(num_dict_3.fromkeys('1 2'.split()), NumDict) self.assertIsInstance(num_dict_4.fromkeys('1 2'.split()), NumDict)