from django.test import TestCase from .models.default_related_name import Author, Editor, Book class DefaultRelatedNameTests(TestCase): def setUp(self): self.author = Author.objects.create(first_name="Dave", last_name="Loper") self.editor = Editor.objects.create(name="Test Editions", bestselling_author=self.author) self.book = Book.objects.create(title="Test Book", editor=self.editor) self.book.authors.add(self.author) self.book.save() def test_no_default_related_name(self): try: self.author.editor_set except AttributeError: self.fail("Author should have an editor_set relation.") def test_default_related_name(self): try: self.author.books except AttributeError: self.fail("Author should have a books relation.") def test_related_name_overrides_default_related_name(self): try: self.editor.edited_books except AttributeError: self.fail("Editor should have a edited_books relation.") def test_inheritance(self): try: # Here model_options corresponds to the name of the application used # in this test self.book.model_options_bookstores except AttributeError: self.fail("Book should have a model_options_bookstores relation.") def test_inheritance_with_overrided_default_related_name(self): try: self.book.editor_stores except AttributeError: self.fail("Book should have a editor_stores relation.")