def test_missing_key_in_dot_path(self):
"""
A missing key in the dot notation path must raise a `KeyError`.
"""
d = {}
with self.assertRaises(KeyError):
config.set_value(d, 'foo.bar', 'pies')
def test_set_dotted_non_dict(self):
"""
Setting a value on an object that doesn't implement `__setitem__` must
raise a `TypeError`.
"""
d = {
'foo': {
'bar': []
}
}
with self.assertRaises(TypeError):
config.set_value(d, 'foo.bar.baz', 'pies')
def test_set_value(self):
"""
Set nested values using dot notation.
"""
d = {
'http': {
'address': '127.0.0.1'
}
}
config.set_value(d, 'http.port', 5000)
config.set_value(d, 'log_level', 'debug')
expected = {
'http': {
'address': '127.0.0.1',
'port': 5000
},
'log_level': 'debug'
}
self.assertEqual(d, expected)
