def test_monkeypatch(self):
class J(Json):
a = StringField()
self.assertEqual(J._unbound_fields, None)
J()
self.assertEqual(J._unbound_fields, [('a', J.a)])
J.b = StringField()
self.assertEqual(J._unbound_fields, None)
J()
self.assertEqual(J._unbound_fields, [('a', J.a), ('b', J.b)])
del J.a
self.assertRaises(AttributeError, lambda: J.a)
J()
self.assertEqual(J._unbound_fields, [('b', J.b)])
J._m = StringField()
self.assertEqual(J._unbound_fields, [('b', J.b)])
def test_ordered_fields(self):
class MyForm(Json):
strawberry = StringField()
banana = StringField()
kiwi = StringField()
self.assertEqual([x.name for x in MyForm()], ['strawberry', 'banana', 'kiwi'])
MyForm.apple = StringField()
self.assertEqual([x.name for x in MyForm()], ['strawberry', 'banana', 'kiwi', 'apple'])
del MyForm.banana
self.assertEqual([x.name for x in MyForm()], ['strawberry', 'kiwi', 'apple'])
MyForm.strawberry = StringField()
self.assertEqual([x.name for x in MyForm()], ['kiwi', 'apple', 'strawberry'])
# Ensure sort is stable: two fields with the same creation counter
# should be subsequently sorted by name.
MyForm.cherry = MyForm.kiwi
self.assertEqual([x.name for x in MyForm()], ['cherry', 'kiwi', 'apple', 'strawberry'])
def test_field_adding(self):
json = self.get_json()
self.assertEqual(len(list(json)), 1)
json['foo'] = StringField()
self.assertEqual(len(list(json)), 2)
json.process({'foo': 'hello'})
self.assertEqual(json['foo'].data, 'hello')
json['test'] = IntegerField()
self.assertTrue(isinstance(json['test'], IntegerField))
self.assertEqual(len(list(json)), 2)
self.assertRaises(AttributeError, getattr, json['test'], 'data')
json.process({'test': '1'})
self.assertEqual(json['test'].data, 1)
self.assertEqual(json['foo'].data, '')
class J(Json):
a = StringField()
class F(Json):
class Meta:
foo = 9
test = StringField()
class MyForm(Json):
strawberry = StringField()
banana = StringField()
kiwi = StringField()
def test_field_adding_disabled(self):
json = self.F()
self.assertRaises(TypeError, json.__setitem__, 'foo', StringField())
class F(Json):
test = StringField()
def validate_test(json, field):
if field.data != 'foobar':
raise ValidationError('error')
def get_json(self, **kwargs):
def validate_test(json, field):
if field.data != 'foobar':
raise ValidationError('error')
return BaseJson({'test': StringField(validators=[validate_test])}, **kwargs)
class B(A):
b = StringField()
c = StringField()
class A(Json):
a = StringField()
c = StringField()