def test_saving_item_with_default_values(self):
""" Test saving item records with default values """
item = Item()
item.save()
self.assertIn(item, Item.objects.all())
def test_saving_item_with_default_values(self):
""" Test saving item records with default values """
item = Item()
item.save()
self.assertIn(item, Item.objects.all())
def test_saving_purchase_with_default_values(self):
""" Test saving item records with default values """
item = Item()
item.save()
purchase = Purchase(item=item)
purchase.save()
self.assertIn(purchase, Purchase.objects.all())
def test_saving_purchase_with_default_values(self):
""" Test saving item records with default values """
item = Item()
item.save()
purchase = Purchase(item=item)
purchase.save()
self.assertIn(purchase, Purchase.objects.all())
def test_blank_item_names_are_not_allowed(self):
"""
Test application logic that prevents blank items names from being saved
to the database.
"""
item = Item(name='')
with self.assertRaises(ValidationError):
item.save()
item.full_clean()
def test_duplicate_item_names_are_not_allowed(self):
"""
Test application logic that prevents duplicate items names from being
saved to the database.
"""
Item.objects.create(name='ITEM A')
Item.objects.create(name='ITEM B')
item = Item(name='ITEM A')
with self.assertRaises(IntegrityError):
item.save()
item.full_clean()
def form_view(request):
""" Render item purchase form, and handle the submitted data. """
form = None
item = Item()
if 'POST' == request.method:
form = PurchaseForm(data=request.POST)
if form.is_valid(): # pragma: no branch
form.save()
result = {
'code': 0,
'message': 'success',
}
return HttpResponse(json.dumps(result),
content_type='application/json')
else:
try:
itemid = int(request.GET['item'])
if 0 < itemid:
item = Item.objects.get(pk=itemid)
form = PurchaseForm(data={'item': item})
except Item.DoesNotExist:
pass
except MultiValueDictKeyError:
pass
return render(request, 'items/purchase.html', {'form': form, 'item': item})
def test_default_values(self):
""" Test if vanilla item is created with correct default values """
item = Item()
purchase = Purchase(item=item)
self.assertEqual(purchase.item, item)
self.assertEqual(purchase.quantity, 1)
self.assertEqual(purchase.date, datetime.date.today())
def test_template_receive_the_form_via_context(self):
"""
Purchase form template should have the PurchaseForm instance in it's
context.
"""
# No item specified
response = self.client.get(self.uri)
self.assertIn('form', response.context)
self.assertEqual(response.context['form'], None)
self.assertIn('item', response.context)
self.assertEqual(type(response.context['item']), type(Item()))
# Non-existing item specified
response = self.client.get(self.uri + '?item=1')
self.assertIn('form', response.context)
self.assertEqual(response.context['form'], None)
self.assertIn('item', response.context)
self.assertEqual(type(response.context['item']), type(Item()))
# Valid item specified
item = Item.objects.create()
response = self.client.get(self.uri + '?item=1')
self.assertIn('form', response.context)
self.assertEqual(type(response.context['form']), type(PurchaseForm()))
self.assertIn('item', response.context)
self.assertEqual(response.context['item'], item)
# Invalid item specified
response = self.client.get(self.uri + '?item=-1')
self.assertIn('form', response.context)
self.assertEqual(response.context['form'], None)
self.assertIn('item', response.context)
self.assertEqual(type(response.context['item']), type(Item()))
def test_default_values(self):
""" Test if vanilla item is created with correct default values """
item = Item()
self.assertEqual(item.name, '')
self.assertEqual(item.unit_symbol, '')
self.assertEqual(item.unit_weight, 1)
self.assertEqual(item.purchase_threshold, 21)
self.assertEqual(item.extended_threshold, 0)
self.assertEqual(item.heavy, False)
self.assertEqual(item.stock_age, None)
self.assertEqual(item.stock_age_percent, 0)
def test_blank_item_names_are_not_allowed(self):
"""
Test application logic that prevents blank items names from being saved
to the database.
"""
item = Item(name='')
with self.assertRaises(ValidationError):
item.save()
item.full_clean()
def test_duplicate_item_names_are_not_allowed(self):
"""
Test application logic that prevents duplicate items names from being
saved to the database.
"""
Item.objects.create(name='ITEM A')
Item.objects.create(name='ITEM B')
item = Item(name='ITEM A')
with self.assertRaises(IntegrityError):
item.save()
item.full_clean()