def get_handler():
"""Return a form for creating a category."""
form_data = request.session.pop('form_data', None)
if form_data is None:
form = forms.CategoryForm()
else:
form = forms.CategoryForm(json.loads(form_data))
return render(request, 'elts/category-create-form.html', {'form': form})
def get_handler():
"""Return a form for updating category ``category_id_``."""
form_data = request.session.pop('form_data', None)
if form_data is None:
form = forms.CategoryForm(instance = category_)
else:
form = forms.CategoryForm(json.loads(form_data))
return render(
request,
'elts/category-id-update-form.html',
{'category': category_, 'form': form}
)
def test_has_tags(self):
"""Create a CategoryForm and set ``tags``."""
form = forms.CategoryForm({
'name': factories.category_name(),
'tags': [tag.id for tag in factories.category_tags()],
})
self.assertTrue(form.is_valid())
def put_handler():
"""Update category ``category_id_``.
If update succeeds, redirect user to ``category_id`` view. Otherwise,
redirect user to ``category_id_update_form``.
"""
form = forms.CategoryForm(request.POST, instance = category_)
if form.is_valid():
form.save()
return http.HttpResponseRedirect(
reverse('elts.views.category_id', args = [category_id_])
)
else:
request.session['form_data'] = json.dumps(form.data)
return http.HttpResponseRedirect(
reverse(
'elts.views.category_id_update_form',
args = [category_id_]
)
)
def post_handler():
"""Create a new category.
If creation suceeds, redirect user to ``category_id`` view. Otherwise,
redirect uesr to ``category_create_form`` view.
"""
form = forms.CategoryForm(request.POST)
if form.is_valid():
# See CategoryForm docstring for explanation of this procedure.
new_category = form.save(commit = False)
new_category.user = request.user
new_category.save()
form.save_m2m()
return http.HttpResponseRedirect(
reverse('elts.views.category_id', args = [new_category.id])
)
else:
request.session['form_data'] = json.dumps(form.data)
return http.HttpResponseRedirect(
reverse('elts.views.category_create_form')
)
def test_valid(self):
"""Create a valid CategoryForm."""
form = forms.CategoryForm({'name': factories.category_name()})
self.assertTrue(form.is_valid())
def test_invalid_name(self):
"""Create a CategoryForm and set an invalid value for ``name``."""
form = forms.CategoryForm({'name': factories.invalid_category_name()})
self.assertFalse(form.is_valid())
def test_missing_name(self):
"""Create a CategoryForm without setting ``name``."""
form = forms.CategoryForm({})
self.assertFalse(form.is_valid())