def test_single_num(self):
self.assertEqual(str_calc("0"), 0)
self.assertEqual(str_calc("123"), 123)
def test_empty_str(self):
self.assertEqual(str_calc(""), 0)
def test_define_multi_char_delim(self):
self.assertEqual(str_calc("//[abc]\n100abc5abc33"), 138)
self.assertEqual(str_calc("//[!!!!cc@]\n123!!!!cc@52"), 175)
def test_over_1000(self):
self.assertEqual(str_calc("1000"), 1000)
self.assertEqual(str_calc("1001"), 0)
self.assertEqual(str_calc("981273"), 0)
self.assertEqual(str_calc("203,123871123"), 203)
self.assertEqual(str_calc("43\n9812739\n8"), 51)
def test_define_single_char_delim(self):
self.assertEqual(str_calc("//#\n100#5#33"), 138)
self.assertEqual(str_calc("//!\n123!52"), 175)
def test_negative_nums(self):
with self.assertRaises(ValueError):
str_calc("-123")
with self.assertRaises(ValueError):
str_calc("1,-5")
with self.assertRaises(ValueError):
str_calc("1\n-5")
with self.assertRaises(ValueError):
str_calc("1,5,-2")
with self.assertRaises(ValueError):
str_calc("-1,5")
with self.assertRaises(ValueError):
str_calc("1\n5\n-2")
with self.assertRaises(ValueError):
str_calc("-1\n5")
def test_three_nums_newline(self):
self.assertEqual(str_calc("1\n3\n8"), 12)
self.assertEqual(str_calc("12\n5\n20"), 37)
def test_three_nums_comma(self):
self.assertEqual(str_calc("1,3,8"), 12)
self.assertEqual(str_calc("12,5,20"), 37)
def test_two_nums_newline(self):
self.assertEqual(str_calc("1\n3"), 4)
self.assertEqual(str_calc("3\n1"), 4)
self.assertEqual(str_calc("14\n21"), 35)
self.assertEqual(str_calc("21\n14"), 35)
def test_two_nums_comma(self):
self.assertEqual(str_calc("1,3"), 4)
self.assertEqual(str_calc("3,1"), 4)
self.assertEqual(str_calc("14,21"), 35)
self.assertEqual(str_calc("21,14"), 35)