def test_form_bad_data(self):
params = {
"username": self.user.username,
"username2": self.user.username
}
form = UsernameChangeForm(data=params)
self.assertFalse(form.is_valid())
self.assertEqual(form.errors["username"],
[u"A user with that username already exists."])
params = {
"username": self.user.username + "1",
"username2": self.user.username
}
form = UsernameChangeForm(data=params)
self.assertFalse(form.is_valid())
self.assertEqual(form.errors["username2"],
[u"The two username fields don't match."])
params = {"username": "******", "username2": "username\x00"}
form = UsernameChangeForm(data=params)
self.assertFalse(form.is_valid())
self.assertEqual(form.errors["username"],
[u"Null characters are not allowed."])
params = {"username": "******", "username2": "usernameß"}
form = UsernameChangeForm(data=params)
self.assertFalse(form.is_valid())
expected_errors = [
u"Enter a valid username. This value may contain only English letters, numbers, and @/./+/-/_ characters."
] # noqa: E501
self.assertEqual(form.errors["username"], expected_errors)
def test_form_good_data(self):
username = self.user.username
params = {
"username": self.user.username + "1",
"username2": self.user.username + "1"
}
form = UsernameChangeForm(data=params)
self.assertTrue(form.is_valid(), form.errors)
form.save()
new_user = get_user_model().objects.get(pk=form.instance.pk)
self.assertEqual(new_user.username, username + "1")