def test_save_tags_unchanged_tag_call_tutorial_on_edit(self):
"""_save_tags() should call tutorial's on_edit when tags
has changed.
"""
with mock.patch.object(self.object, "on_edit") as on_edit_mock:
obj_dict = self.get_tutorial_dict()
form = TutorialForm(obj_dict, instance=self.object)
form.is_valid()
form._save_tags()
self.assertFalse(on_edit_mock.called)
def test_clean_tags_valid_data(self):
"""Should split tags by `,` and turn each of them into
a TutorialTag object when all tags are valid.
"""
new_tags = self.generate_tags()
obj_dict = self.get_tutorial_dict(new_tags=new_tags)
form = TutorialForm(obj_dict)
form.is_valid()
self.assertTagsEquals(form.cleaned_data["tags"], new_tags)
def test_save_tags_create_in_db(self):
"""_save_tags() should save all of the new tags for
given tutorial.
"""
new_tags = self.generate_tags()
obj_dict = self.get_tutorial_dict(new_tags=new_tags)
form = TutorialForm(obj_dict, instance=self.object)
form.is_valid()
form._save_tags()
self.assertTagsEquals(new_tags, self.object.tags.all())
def test_clean_tags_invalid_data(self):
"""Should not validate when a TutorialTag object is invalid."""
tag_title_max_length = TutorialTag._meta.get_field("title").max_length
invalid_tag = "a" * (tag_title_max_length + 1)
obj_dict = self.get_tutorial_dict(new_tags=invalid_tag)
form = TutorialForm(obj_dict)
self.assertFalse(form.is_valid())