mongoengine/tests/test_datastructures.py

96 lines
3.0 KiB
Python

import unittest
from mongoengine.base.datastructures import StrictDict, BaseList
class TestBaseList(unittest.TestCase):
def test_iter_simple(self):
values = [True, False, True, False]
base_list = BaseList(values, instance=None, name='my_name')
self.assertEqual(values, list(base_list))
def test_iter_allow_modification_while_iterating_withou_error(self):
# regular list allows for this, thus this subclass must comply to that
base_list = BaseList([True, False, True, False], instance=None, name='my_name')
for idx, val in enumerate(base_list):
if val:
base_list.pop(idx)
class TestStrictDict(unittest.TestCase):
def strict_dict_class(self, *args, **kwargs):
return StrictDict.create(*args, **kwargs)
def setUp(self):
self.dtype = self.strict_dict_class(("a", "b", "c"))
def test_init(self):
d = self.dtype(a=1, b=1, c=1)
self.assertEqual((d.a, d.b, d.c), (1, 1, 1))
def test_repr(self):
d = self.dtype(a=1, b=2, c=3)
self.assertEqual(repr(d), '{"a": 1, "b": 2, "c": 3}')
# make sure quotes are escaped properly
d = self.dtype(a='"', b="'", c="")
self.assertEqual(repr(d), '{"a": \'"\', "b": "\'", "c": \'\'}')
def test_init_fails_on_nonexisting_attrs(self):
with self.assertRaises(AttributeError):
self.dtype(a=1, b=2, d=3)
def test_eq(self):
d = self.dtype(a=1, b=1, c=1)
dd = self.dtype(a=1, b=1, c=1)
e = self.dtype(a=1, b=1, c=3)
f = self.dtype(a=1, b=1)
g = self.strict_dict_class(("a", "b", "c", "d"))(a=1, b=1, c=1, d=1)
h = self.strict_dict_class(("a", "c", "b"))(a=1, b=1, c=1)
i = self.strict_dict_class(("a", "c", "b"))(a=1, b=1, c=2)
self.assertEqual(d, dd)
self.assertNotEqual(d, e)
self.assertNotEqual(d, f)
self.assertNotEqual(d, g)
self.assertNotEqual(f, d)
self.assertEqual(d, h)
self.assertNotEqual(d, i)
def test_setattr_getattr(self):
d = self.dtype()
d.a = 1
self.assertEqual(d.a, 1)
self.assertRaises(AttributeError, getattr, d, 'b')
def test_setattr_raises_on_nonexisting_attr(self):
d = self.dtype()
with self.assertRaises(AttributeError):
d.x = 1
def test_setattr_getattr_special(self):
d = self.strict_dict_class(["items"])
d.items = 1
self.assertEqual(d.items, 1)
def test_get(self):
d = self.dtype(a=1)
self.assertEqual(d.get('a'), 1)
self.assertEqual(d.get('b', 'bla'), 'bla')
def test_items(self):
d = self.dtype(a=1)
self.assertEqual(d.items(), [('a', 1)])
d = self.dtype(a=1, b=2)
self.assertEqual(d.items(), [('a', 1), ('b', 2)])
def test_mappings_protocol(self):
d = self.dtype(a=1, b=2)
assert dict(d) == {'a': 1, 'b': 2}
assert dict(**d) == {'a': 1, 'b': 2}
if __name__ == '__main__':
unittest.main()