Removed try/fail antipattern from model_options tests.

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()

    @classmethod

    def setUpTestData(cls):

        cls.author = Author.objects.create(first_name='Dave', last_name='Loper')

        cls.editor = Editor.objects.create(name='Test Editions', bestselling_author=cls.author)

        cls.book = Book.objects.create(title='Test Book', editor=cls.editor)

        cls.book.authors.add(cls.author)

    def test_no_default_related_name(self):

        try:

            self.author.editor_set

        except AttributeError:

            self.fail("Author should have an editor_set relation.")

        self.assertEqual(list(self.author.editor_set.all()), [self.editor])

    def test_default_related_name(self):

        try:

            self.author.books

        except AttributeError:

            self.fail("Author should have a books relation.")

        self.assertEqual(list(self.author.books.all()), [self.book])

    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.")

        self.assertEqual(list(self.editor.edited_books.all()), [self.book])

    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.")

        # model_options is the name of the application for this test.

        self.assertEqual(list(self.book.model_options_bookstores.all()), [])

    def test_inheritance_with_overridden_default_related_name(self):

        try:

            self.book.editor_stores

        except AttributeError:

            self.fail("Book should have a editor_stores relation.")

        self.assertEqual(list(self.book.editor_stores.all()), [])