def test_success(self):
self.assertIsNone(Venda.query().get())
redirect_response = save(preco='1.01')
self.assertIsInstance(redirect_response, RedirectResponse)
saved_venda = Venda.query().get()
self.assertIsNotNone(saved_venda)
self.assertEquals(Decimal('1.01'), saved_venda.preco)
def test_error(self):
template_response = save()
errors = template_response.context['errors']
self.assertSetEqual(set(['preco']), set(errors.keys()))
self.assert_can_render(template_response)
