[CASE test_typechecking_for_model_subclasses]
from django.db import models

class A(models.Model):
    pass
class B(models.Model):
    b_attr = 1
    pass
class C(A):
    pass

def service(a: A) -> int:
    pass

b_instance = B()
service(b_instance)  # E: Argument 1 to "service" has incompatible type "B"; expected "A"

a_instance = A()
c_instance = C()
service(a_instance)
service(c_instance)
[/CASE]


[CASE fail_if_no_such_attribute_on_model]
from django.db import models

class B(models.Model):
    b_attr = 1
    pass

b_instance = B()
reveal_type(b_instance.b_attr) # N: Revealed type is 'builtins.int'

reveal_type(b_instance.non_existent_attribute)
b_instance.non_existent_attribute = 2
[out]
main:10: note: Revealed type is 'Any'
main:10: error: "B" has no attribute "non_existent_attribute"
main:11: error: "B" has no attribute "non_existent_attribute"
[/CASE]


[CASE ignore_missing_attributes_if_setting_is_passed]
from django.db import models

class B(models.Model):
    pass

b_instance = B()
reveal_type(b_instance.non_existent_attribute) # N: Revealed type is 'Any'
b_instance.non_existent_attribute = 2

[env MYPY_DJANGO_CONFIG=${MYPY_CWD}/mypy_django.ini]

[file mypy_django.ini]
[[mypy_django_plugin]
ignore_missing_model_attributes = True

[/CASE]