python-benedict/tests/core/test_rename.py

62 lines
1.2 KiB
Python

# -*- coding: utf-8 -*-
from benedict.core import rename as _rename
import unittest
class rename_test_case(unittest.TestCase):
def test_rename(self):
d = {
'a': {
'x': 1,
'y': 1,
},
'b': {
'x': 2,
'y': 2,
},
'c': {
'x': 3,
'y': 3,
},
}
_rename(d, 'a', 'd')
r = {
'b': {
'x': 2,
'y': 2,
},
'c': {
'x': 3,
'y': 3,
},
'd': {
'x': 1,
'y': 1,
},
}
self.assertEqual(d, r)
def test_rename_with_same_key(self):
d = {
'a': 1,
'b': 2,
}
_rename(d, 'a', 'a')
r = {
'a': 1,
'b': 2,
}
self.assertEqual(d, r)
def test_rename_to_existing_name(self):
d = {
'a': 1,
'b': 2,
'c': 3,
}
with self.assertRaises(KeyError):
_rename(d, 'a', 'c')