Testing ModelForm template tag with Factory Boy

gistfile1.py

### factories.py ###

from factory.django import DjangoModelFactory

from django.forms import ModelForm

from .models import Product, ProductQuerySet


class TestProduct(Product):
    pass


class TestProductForm(ModelForm):
    class Meta:
        model = TestProduct



### templatetags/class_filters.py ###

from django import template

register = template.Library()
    
    
def get_class_name(value):
    return value.__class__.__name__


def get_model_name(value):
    return value._meta.model.__name__


register.filter('get_class_name', get_class_name)
register.filter('get_model_name', get_model_name)



### tests/templatetags.py ###

from django.test import TestCase
from django.template import Template, Context

from .factories import TestProductFactory, TestProductForm


class ClassFilters(TestCase):
    def setUp(self):
        self.product = TestProductFactory()
        self.form = TestProductForm(instance=self.product)

    def test_class_name(self):
        actual = Template(
            "{% load class_filters %}"
            "{{ product|get_class_name }}"
            ).render(Context({'product': self.product}))
        expected = 'TestProduct'
        self.assertEqual(actual, expected)

    def test_model_name(self):
        actual = Template(
            "{% load class_filters %}"
            "{{ form|get_model_name }}"
            ).render(Context({'form': self.form}))
        expected = 'TestProduct'
        self.assertEqual(actual, expected)