def test_add_one_item(self):
self.assertEqual(add_items({
"wood": 4,
"iron": 2
}, ["iron", "iron"]), {
"wood": 4,
"iron": 4
})
def test_add_new_item(self):
self.assertEqual(
add_items({
"iron": 1,
"diamond": 2
}, ["iron", "wood", "wood"]), {
"iron": 2,
"diamond": 2,
"wood": 2
})
def test_add_multiple_items(self):
self.assertEqual(
add_items({
"wood": 2,
"gold": 1,
"diamond": 3
}, ["wood", "gold", "gold"]), {
"wood": 3,
"gold": 3,
"diamond": 3
})
def test_add_from_empty_dict(self):
self.assertEqual(add_items({}, ["iron", "iron", "diamond"]), {
"iron": 2,
"diamond": 1
})