def test_init_shop(self):
s = Shop(ITEM_LIST)
assert len(s) == 3
assert s[0] == Item({
'title': "Ballpoint pens, 100 pack",
'price': Decimal('12.99'),
'inventory_count': 2
})
assert s[1] == Item(DUMMY_ITEM)
assert s[2] == Item({
'title': "Fork",
'price': Decimal('2.49'),
'inventory_count': 10
})
def test_get_item_by_name(self):
s = Shop(ITEM_LIST)
assert s.get('Fork') == Item({
'title': "Fork",
'price': Decimal('2.49'),
'inventory_count': 10
})
with pytest.raises(KeyError):
s.get('Antimatter')
def test_remove(self):
c = Cart()
i = Item(DUMMY_ITEM)
c.add(i)
c.add(i)
assert c.total == Decimal('2')
assert c.names == ['Cup']
assert c.items == [{'product': i.dict(), 'quantity': 2}]
c.remove('Cup')
assert c.total == Decimal('1')
assert c.names == ['Cup']
assert c.items == [{'product': i.dict(), 'quantity': 1}]
c.remove('Cup')
assert c.total == Decimal('0')
assert c.names == []
assert c.items == []
def test_add_out_of_stock(self):
c = Cart()
with pytest.raises(ValueError):
c.add(
Item({
'title': "Arid Mesa",
'price': Decimal('50.00'),
'inventory_count': 0
}))
def test_add_item_over_limit(self):
c = Cart()
i = Item(DUMMY_ITEM)
c.add(i)
assert c.items == [{'product': i, 'quantity': 1}]
c.add(i)
c.add(i)
assert c.total == Decimal('3')
c.add(i)
with pytest.raises(ValueError):
c.add(i)
def test_add_multiple_items_over_limit(self):
c = Cart()
i1 = Item(DUMMY_ITEM)
i2 = Item({
'title': "Arid Mesa",
'price': Decimal('50.00'),
'inventory_count': 1
})
c.add(i2)
c.add(i1)
c.add(i1)
assert c.items == [{
'product': i2,
'quantity': 1
}, {
'product': i1,
'quantity': 2
}]
assert c.total == Decimal('52')
with pytest.raises(ValueError):
c.add(i2)
def test_checkout_over_stock_cart(self):
with f.app_context():
cart.my_cart = None
cart.create()
# let's exploit how Carts are implemented!
cart.my_cart.add(Item({
'title': "Chachalaca",
'price': Decimal('3.50'),
'inventory_count': 999 # fake inventory_count fools the quantity check
}))
with pytest.raises(NotAcceptable):
cart.checkout_cart()
def test_view(self):
c = Cart()
i1 = Item(DUMMY_ITEM)
i2 = Item({
'title': "Fork",
'price': Decimal('2.49'),
'inventory_count': 10
})
c.add(i1)
c.add(i1)
c.add(i2)
cartstruct = c.view()
assert cartstruct['total'] == Decimal('4.49')
assert cartstruct['items'] == [{
'product': i1.dict(),
'quantity': 2
}, {
'product': i2.dict(),
'quantity': 1
}]
def test_item_equality(self):
cup = Item(DUMMY_ITEM)
assert cup == Item(DUMMY_ITEM)
def test_negative_stock(self):
cup = Item(DUMMY_ITEM)
cup.inventory_count -= 1
assert cup.inventory_count == 3
with pytest.raises(ValueError):
cup.inventory_count -= 99
def test_init_item(self):
cup = Item(DUMMY_ITEM)
assert cup is not None
assert cup.title == "Cup"
assert cup.price == Decimal('1.00')
assert cup.inventory_count == 4