#31074: Errors model abstract testing
-------------------------------------+-------------------------------------
Reporter: Artem | Owner: nobody
Type: | Status: new
Uncategorized |
Component: | Version: 3.0
Uncategorized | Keywords: test,
Severity: Normal | ManyToManyField, abstract, model
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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I have models:
{{{
class Country(models.Model):
name = models.CharField(_("Country name"), max_length=50)
code = models.SlugField(_("Country iso-2 code"), max_length=2,
unique=True)
}}}
{{{
class CountryModelMixin(models.Model):
countries_admin = models.ManyToManyField(
Country,
verbose_name="Страны",
related_name="%(app_label)s_%(class)s_related",
related_query_name="%(app_label)s_%(class)ss",
)
countries = ArrayField(
models.SlugField(verbose_name=_("Country iso-2 code"),
max_length=2),
verbose_name=_("Countries"),
blank=True, null=True,
)
class Meta(object):
abstract = True
@staticmethod
def update_hidden(sender, instance, **kwargs):
if issubclass(instance.__class__, CountryModelMixin):
instance.countries =
countries.countries_admin.values_list('code', flat=True)
m2m_changed.connect(CountryModelMixin.update_hidden)
}}}
{{{
class Orgaization(CountryModelMixin):
name = models.CharField(_("Name"), max_length=127)
slug = models.SlugField(_("Slug"), max_length=127, unique=True)
active = models.BooleanField(_("Active"), default=True)
address = models.CharField(_("Address"), max_length=256, null=True,
blank=True)
}}}
And I need testing CountryModelMixin models:
I create test:
{{{
class ModelMixinTestCase(TestCase):
mixin= CountryModelMixin
@classmethod
def setUpClass(cls):
if not cls.mixin:
return
settings.MEDIA_ROOT = tempfile.mkdtemp()
if isinstance(cls.mixin, list):
name = ""
for mxn in cls.mixin:
name += mxn.__name__
name = hashlib.md5(name.encode('UTF-8')).hexdigest()
cls.model = ModelBase('__TestModel__' + name,
tuple(cls.mixin),
{'__module__': cls.mixin[0].__module__})
else:
cls.model = ModelBase('__TestModel__' +
cls.mixin.__name__, (cls.mixin,),
{'__module__': cls.mixin.__module__}
)
# Create the schema for our test model
with connection.schema_editor() as schema_editor:
schema_editor.create_model(cls.model)
super(ModelMixinTestCase, cls).setUpClass()
def setUp(self):
self.country = Country.objects.create(name="Test",
code="EN")
def test_go(self):
myModelElement = self.model.objects.create()
myModelElement.countries_admin.set([self.country.pk, ])
}}}
Test return errors: Cannot resolve keyword '' into field.
And delete myModelElement.delete() - don't work
Test abstract models without ManyToManyField work goods.
--
Ticket URL: <https://code.djangoproject.com/ticket/31074>
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