def test_merge_dicts_with_list_and_mismatched_type(self):
"""Testing merge_dicts with merging list into non-list"""
dest = {
'a': 100,
}
message = ('Cannot merge a list into a %s for key "a".' % int)
with self.assertRaisesMessage(TypeError, message):
merge_dicts(dest, {
'a': [1, 2, 3],
})
def test_merge_dicts_with_unmergeable_type(self):
"""Testing merge_dicts with unmergeable type"""
dest = {
'a': 100,
}
message = ('Key "a" was not an expected type (found %s) when merging '
'dictionaries.' % int)
with self.assertRaisesMessage(TypeError, message):
merge_dicts(dest, {
'a': 200,
})
def test_merge_dicts_with_dict_and_mismatched_type(self):
"""Testing merge_dicts with merging dictionary into non-dictionary"""
dest = {
'a': 100,
}
message = ('Cannot merge a dictionary into a %s for key "a".' % int)
with self.assertRaisesMessage(TypeError, message):
merge_dicts(dest, {
'a': {
'b': 1,
},
})
def test_merge_dicts_with_empty_source(self):
"""Testing merge_dicts with empty source"""
dest = {
'a': True,
'b': [1, 2, 3],
'c': {
'key1': 'value1',
'key2': None,
},
}
merge_dicts(dest, {})
self.assertEqual(dest, {
'a': True,
'b': [1, 2, 3],
'c': {
'key1': 'value1',
'key2': None,
},
})
def test_merge_dicts(self):
"""Testing merge_dicts with empty source"""
dest = {
'a': True,
'b': [1, 2, 3],
'c': {
'key1': 'value1',
'key2': {
'subkey1': ['foo', 'bar'],
},
},
}
merge_dicts(
dest, {
'foo': 'bar',
'b': [4, 5, 6],
'c': {
'key2': {
'subkey1': ['baz'],
'subkey2': True,
},
'key3': None,
},
})
self.assertEqual(
dest, {
'a': True,
'b': [1, 2, 3, 4, 5, 6],
'c': {
'key1': 'value1',
'key2': {
'subkey1': ['foo', 'bar', 'baz'],
'subkey2': True,
},
'key3': None,
},
'foo': 'bar',
})