def test_set_dict_value_by_path(self):
d = {
'foo': {
'bar': {
'baz': 'bazval'
}
}
}
path = ['foo', 'bar', 'baz']
res = _set_dict_value_by_path(d, 'blam', path)
assert res == {
'foo': {
'bar': {
'baz': 'blam'
}
}
}
# make sure we don't modify inputs
assert path == ['foo', 'bar', 'baz']
assert d == {
'foo': {
'bar': {
'baz': 'bazval'
}
}
}
def test_set_dict_value_by_path_none(self):
d = {
'foo': {
'bar': {
'blam': 'blarg'
}
}
}
res = _set_dict_value_by_path(d, 'blam', ['foo', 'bar', 'baz'])
assert res == {
'foo': {
'bar': {
'baz': 'blam',
'blam': 'blarg'
}
}
}
def test_set_dict_value_by_path_empty(self):
d = {'foo': 'bar'}
res = _set_dict_value_by_path(d, 'baz', [])
assert res == d
def test_set_dict_value_by_path_deep_none(self):
d = {'foo': 'bar'}
with pytest.raises(TypeError):
_set_dict_value_by_path(d, 'blam', ['foo', 'bar', 'baz'])
