def setup_class(self):
mi = MobileInventory({
'iPhone Model A': 50,
'Xiaomi Model B': 2000,
'Nokia Model C': 10,
'Sony Model D': 1
})
self.inventory = mi
def test_creating_inventory_with_negative_value(self):
with pytest.raises(ValueError) as error:
mi = MobileInventory({
'iPhone Model X': -45,
'Xiaomi Model Y': 1000,
'Nokia Model Z': 25
})
ex = error.exception
assert ex.message == "No. of mobiles must be a positive integer"
def test_creating_inventory_with_numeric_keys(self):
with pytest.raises(ValueError) as error:
mi = MobileInventory({
1: 'iPhone Model X',
2: 'Xiaomi Model Y',
3: 'Nokia Model Z'
})
ex = error.exception
assert ex.message == "Mobile model name must be a string"
def setup_class(cls):
cls.inventory = MobileInventory({
'iPhone Model X': 100,
'Xiaomi Model Y': 1000,
'Nokia Model Z': 25
})
def test_creating_empty_inventory(self):
i1 = MobileInventory()
assert i1.balance_inventory == {}
def test_creating_inventory_with_list(self):
with pytest.raises(TypeError) as error:
mi = MobileInventory(
['iPhone Model X', 'Xiaomi Model Y', 'Nokia Model Z'])
ex = error.exception
assert ex.message == "Input inventory must be a dictionary"
def test_creating_specified_inventory(self):
mi = MobileInventory({
'iPhone Model X': 100,
'Xiaomi Model Y': 1000,
'Nokia Model Z': 25
})