def test_numbers_are_added(self):
self.assertEqual(
first=exercise.merge(0, 42),
second=42,
)
self.assertEqual(
first=exercise.merge(42, 0),
second=42,
)
def test_complext_dict_update(self):
self.assertDictEqual(
d1=exercise.merge(
{'x': [1, 2, 3],
'y': 1,
'z': {1, 2, 3},
'w': 'foo',
't': {
'a': [1, 2]
},
'm': [1]},
{'x': [4, 5, 6],
'y': 4,
'z': {4, 2, 3},
'w': 'bar',
't': {
'a': [3, 2]
},
'm': 'baz',
'n': 42},
),
d2={'x': [1, 2, 3, 4, 5, 6],
'y': 5,
'z': {1, 2, 3, 4},
'w': 'foobar',
't': {
'a': [1, 2, 3, 2]
},
'm': ([1], 'baz'),
'n': 42},
)
def test_merge_first_longer(self):
'''Test merge(['a', 'e', 'i', 'o', 'u'], [1, 2, 3])
'''
sequence_1 = ['a', 'e', 'i', 'o', 'u']
sequence_2 = [1, 2, 3]
expected = ['a', 1, 'e', 2, 'i', 3, 'o', 'u']
self.assertEqual(list(source.merge(sequence_1, sequence_2)), expected)
def test_merge(self):
'''Test merge([1, 2, 3], ['a', 'b', 'c'])
'''
sequence_1 = [1, 2, 3]
sequence_2 = ['a', 'b', 'c']
expected = [1, 'a', 2, 'b', 3, 'c']
self.assertEqual(list(source.merge(sequence_1, sequence_2)), expected)
def test_merge_3_sequences(self):
'''Test merge(['a', 'e', 'i', 'o', 'u'], [None, True, False], [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
'''
sequence_1 = ['a', 'e', 'i', 'o', 'u']
sequence_2 = [None, True, False]
sequence_3 = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
expected = [
'a', None, 0, 'e', True, 1, 'i', False, 2, 'o', 3, 'u', 4, 5, 6, 7,
8, 9
]
self.assertEqual(
list(source.merge(sequence_1, sequence_2, sequence_3)), expected)
def test_simple_dict_update(self):
self.assertDictEqual(
d1=exercise.merge({'a': 1, 'b': 2, 'c': 3},
{'d': 4}),
d2={'a': 1, 'b': 2, 'c': 3, 'd': 4}
)
def test_set_unionization(self):
self.assertSetEqual(
set1=exercise.merge({1, 2}, {3, 4}),
set2={1, 2, 3, 4}
)
def test_string_concatenation(self):
self.assertEqual(
first=exercise.merge('abra', 'cadabra'),
second='abracadabra'
)
def test_lists_are_concatenated(self):
self.assertListEqual(
list1=exercise.merge([1], [2]),
list2=[1, 2]
)
def test_mismatch(self):
self.assertTupleEqual(
tuple1=exercise.merge("foobar", [1, 2, 3]),
tuple2=("foobar", [1, 2, 3])
)
def test_merge_empty_sequences(self):
'''Test merge([], [], [])
'''
sequence_1 = sequence_2 = sequence_3 = expected = []
self.assertEqual(
list(source.merge(sequence_1, sequence_2, sequence_3)), expected)
