def test_add_nums_returns_sum_and_num_of_additions_performed(self):
for nums, expected_sum, expected_call_count in [
#########
# 20--- # 20000
# 24-- # 2400
# 28- # 280
# 32 # 32
# ----- #
# 1 #
# 22712 #
#########
# Number of basic operations:
# 2, 3+28, 24, 20 => 2, 31, 24, 20
# 2, 1, 3+24, 20 => 2, 1, 27, 20
# 2, 1, 7, 2+20 => 2, 1, 7, 22
# 2, 1, 7, 2, 2 => 2, 1, 7, 2, 2
(["32", "28", "24", "20"], "22712", 3),
#########
# 2---- # 20000
# 15--- # 15000
# 3-- # 300
# 89- # 890
# 7 # 7
# ----- #
# 1 #
# 36197 #
#########
# Number of basic operations:
# 7, 9, 8+3, 15, 2 => 7, 9, 11, 15, 2
# 7, 9, 1, 1+15, 2 => 7, 9, 1, 16, 2
# 7, 9, 1, 6, 1+2 => 7, 9, 1, 6, 3
(["7", "89", "3", "15", "2"], "36197", 3),
#########
# 90-- # 9000
# 98- # 980
# 97 # 97
# ----- #
# 111 #
# 10077 #
#########
# Number of basic operations:
# 7, 9+98, 90 => 7, 107, 90
# 7, 7, 10+90 => 7, 7, 100
# 7, 7, 100 => 7, 7, 0, 0, 1
(["97", "98", "90"], "10077", 2)
]:
add_fn = get_operator('+')
self.assertEquals(add_nums(nums, add_fn), expected_sum)
self.assertEquals(add_fn.call_count, expected_call_count)
def test_multiply_works_as_expected(self):
a, b = 1234, 5678
add_fn = get_operator('+')
mul_fn = get_operator('*')
self.assertEquals(multiply_nums(str(a), str(b), add_fn, mul_fn), str(a * b))
print(add_fn.call_count, mul_fn.call_count)