def test_lookup_duplicate_page_slug_raises_argumenttypeerror(self):
duplicate_slug = 'two-pages-with-this-slug'
page = create_simple_page(self.root_page, duplicate_slug)
create_simple_page(page, duplicate_slug)
with self.assertRaises(argparse.ArgumentTypeError):
lookup_page_slug(duplicate_slug)
def test_lookup_nonexistent_page_slug_raises_argumenttypeerror(self):
with self.assertRaises(argparse.ArgumentTypeError):
lookup_page_slug('this-page-does-not-exist')
def test_lookup_valid_page_slug(self):
self.assertEqual(lookup_page_slug(self.root_page.slug), self.root_page)