def test_save_tags_commit_false_not_call_save_tags(
self, _save_tags_mock: mock.MagicMock):
"""Should not call _save_tags when commit=False."""
obj_dict = self.get_tutorial_dict()
form = TutorialForm(obj_dict, instance=self.object)
form.save(commit=False)
self.assertFalse(_save_tags_mock.called)
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())
def test_save_tags_commit_true_call_save_tags(
self, _save_tags_mock: mock.MagicMock):
"""Should call _save_tags when commit=True."""
obj_dict = self.get_tutorial_dict(
tutorial=baker.prepare_recipe("learning.tutorial"))
form = TutorialForm(obj_dict)
form.save(commit=True)
self.assertTrue(_save_tags_mock.called)
def test_save_tags_commit_false_assign_save_tags(
self, _save_tags_mock: mock.MagicMock):
"""Should assign save_tags to _save_tags when commit=False."""
obj_dict = self.get_tutorial_dict(
tutorial=baker.prepare_recipe("learning.tutorial"))
form = TutorialForm(obj_dict)
form.save(commit=False)
self.assertEqual(form.save_tags, form._save_tags)
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 form_valid(self, form: TutorialForm):
tutorial: Tutorial = form.save(commit=False)
# Set tutorial author
tutorial.author = self.request.user
# Save tutorial
tutorial.save()
# Save many-to-many relations (categories here)
form.save_m2m()
# Save tutorial tags
form.save_tags()
messages.success(
self.request, f'آموزش "{tutorial.title}" با موفقیت افزوده شد'
)
return redirect(self.get_success_url())
def test_tags_initial_value(self):
"""Should connect tutorial's tag names by `,` as tags'
initial value.
"""
form = TutorialForm(instance=self.object)
self.assertEqual(
form.fields["tags"].initial,
",".join([str(tag) for tag in self.tags]),
)
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_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())