def test_Merge_NestedDicts(self):
mydicts = [{"a": {"x": 1, "y": 2}, "b": {"x": 1, "z": 3}}, {"a": {"x": 1, "y": 5}, "c": {"x": 1, "z": 3}}]
actual = dicttools.merge(lambda d1, d2: dicttools.merge(lambda x, y: x + y, d1, d2), *mydicts)
expected = {"a": {"x": 2, "y": 7}, "b": {"x": 1, "z": 3}, "c": {"x": 1, "z": 3}}
self.assertEqual(expected, actual)
def test_Merge_OrderedDicts_ReturnOrderedDict(self):
dict1 = collections.OrderedDict((('a', 1), ('b', 2)))
dict2 = collections.OrderedDict((('b', 1), ('c', 2)))
actual = dicttools.merge(dict1, dict2)
expected = collections.OrderedDict((('a', 1), ('b', 1), ('c', 2)))
self.assertIsInstance(actual, collections.OrderedDict)
self.assertEqual(expected, actual)
def test_Merge_NestedDicts(self):
mydicts = [{
"a": {
"x": 1,
"y": 2
},
"b": {
"x": 1,
"z": 3
}
}, {
"a": {
"x": 1,
"y": 5
},
"c": {
"x": 1,
"z": 3
}
}]
actual = dicttools.merge(
lambda d1, d2: dicttools.merge(lambda x, y: x + y, d1, d2),
*mydicts)
expected = {
"a": {
"x": 2,
"y": 7
},
"b": {
"x": 1,
"z": 3
},
"c": {
"x": 1,
"z": 3
}
}
self.assertEqual(expected, actual)
def test_Merge_KeyRepeats_ReturnDictWithValueFromLast(self):
result = dicttools.merge({
'A': 1,
'X': 8
}, {
'B': 2,
'X': 14
}, {
'C': 3,
'X': 12
})
self.assertEqual(12, result['X'])
def test_Merge_KeyRepeats_MergeFuncIsDifference_ReturnDictWithValuesSubtractedValues(
self):
result = dicttools.merge(lambda x, y: x - y, {
'A': 1,
'X': 8
}, {
'B': 2,
'X': 14
}, {
'C': 3,
'X': 12
})
self.assertEqual(-18, result['X'])
def test_Merge_KeyRepeats_MergeFuncIsSum_ReturnDictWithAddedDuplicatedValues(
self):
result = dicttools.merge(lambda x, y: x + y, {
'A': 1,
'X': 8
}, {
'B': 2,
'X': 14
}, {
'C': 3,
'X': 12
})
self.assertEqual(34, result['X'])
def test_Merge_3DictsGiven_ReturnDictContainingEachElementFromGivenDicts(self):
result = dicttools.merge({'A': 1}, {'B': 2}, {'C': 3})
expected = {'A': 1, 'B': 2, 'C': 3}
self.assertEqual(expected, result)
def test_Merge_ByDefault_ReturnEmptyDict(self):
result = dicttools.merge()
self.assertEqual({}, result)
def test_Merge_OnlyNonesGiven_ReturnEmptyDict(self):
result = dicttools.merge(None, None)
self.assertEqual({}, result)
def test_Merge_NoneGiven_MergeFuncGivenAndFirstArgumentIsNone_IgnoreNones(self):
result = dicttools.merge(lambda x, y: x + y, None, {'A': 1}, {'B': 2}, {'C': 3})
self.assertEqual({'A', 'B', 'C'}, set(result))
def test_Merge_NoneGivenAsFirstArgument_IgnoreNones(self):
result = dicttools.merge(None, {'A': 1}, {'B': 2}, {'C': 3})
self.assertEqual({'A', 'B', 'C'}, set(result))
def test_Merge_KeyRepeats_MergeFuncIsDifference_ReturnDictWithValuesSubtractedValues(self):
result = dicttools.merge(lambda x, y: x - y, {'A': 1, 'X': 8}, {'B': 2, 'X': 14}, {'C': 3, 'X': 12})
self.assertEqual(-18, result['X'])
def test_Merge_KeyRepeats_MergeFuncIsSum_ReturnDictWithAddedDuplicatedValues(self):
result = dicttools.merge(lambda x, y: x + y, {'A': 1, 'X': 8}, {'B': 2, 'X': 14}, {'C': 3, 'X': 12})
self.assertEqual(34, result['X'])
def test_Merge_KeyRepeats_ReturnDictWithValueFromLast(self):
result = dicttools.merge({'A': 1, 'X': 8}, {'B': 2, 'X': 14}, {'C': 3, 'X': 12})
self.assertEqual(12, result['X'])
def test_Merge_ByDefault_ReturnEmptyDict(self):
result = dicttools.merge()
self.assertEqual({}, result)
def test_Merge_3DictsGiven_ReturnDictContainingEachElementFromGivenDicts(
self):
result = dicttools.merge({'A': 1}, {'B': 2}, {'C': 3})
expected = {'A': 1, 'B': 2, 'C': 3}
self.assertEqual(expected, result)
def test_Merge_OnlyNonesGiven_ReturnEmptyDict(self):
result = dicttools.merge(None, None)
self.assertEqual({}, result)
def test_Merge_NoneGiven_MergeFuncGivenAndFirstArgumentIsNone_IgnoreNones(
self):
result = dicttools.merge(lambda x, y: x + y, None, {'A': 1}, {'B': 2},
{'C': 3})
self.assertEqual({'A', 'B', 'C'}, set(result))
def test_Merge_NoneGivenAsFirstArgument_IgnoreNones(self):
result = dicttools.merge(None, {'A': 1}, {'B': 2}, {'C': 3})
self.assertEqual({'A', 'B', 'C'}, set(result))