def step(context, negatives):
negs = map(int,negatives.split(","))
try:
string_calculator.add(context.input)
assert False, 'the previous line should have thrown an error'
except ValueError as e:
unfound = [n for n in negs if str(n) not in e.message]
assert len(unfound) == 0, 'expected negative values {negs} to appear in message "{msg}"'.format(negs=unfound, msg=e.message)
def test_new_line_separator(self):
self.assertEqual(string_calculator.add('1\n2,3'), 6, 'add(1\\n2,3) == 6')
self.assertEqual(string_calculator.add('1\n2,3\n5'), 11, 'add(1\\n2,3\\n5) == 11')
def test_delimiters_any_length():
"""it should ignore numbers bigger than 1000"""
assert string_calculator.add('//[***]\n1***2***3') == 6
def test_different_delimiters():
"""it should be able handle different delimiters"""
assert string_calculator.add('//;\n1;2') == 3
def test_add_bigger_than_thousand():
assert add("//;\n1000,1;2") == 3
def test_add_positive_integers():
assert add("1") == 1
assert add("1,2") == 3
assert add("1,3,5,9") == 18
def test_numbers_bigger_than(self):
self.assertEqual(2, calc.add("//;\n1001;2"))
self.assertEqual(1002, calc.add("//;\n1000;2"))
self.assertEqual(2, calc.add("//;\n2;1001"))
self.assertEqual(6, calc.add("//;\n2;1001;1;3"))
def test_newline_between_numbers_input(self):
self.assertEqual(6, calc.add("1\n2,3"))
self.assertEqual(6, calc.add("1,2\n3"))
self.assertEqual(12, calc.add("1,2\n3\n1,2,3"))
def test_if_given_a_two_returns_a_two(self):
expected = "2"
actual = add("2")
self.assertEqual(expected, actual)
def test_add_one_number(self):
self.assertEqual(string_calculator.add('1'), 1, 'add("1") == 1')
self.assertEqual(string_calculator.add('6'), 6, 'add("6") == 6')
def step(context, sum):
expected_sum = int(sum)
actual_sum = string_calculator.add(context.input)
assert actual_sum == expected_sum, 'expected {exp}, got {act}'.format(exp=expected_sum, act=actual_sum)
def test_add_empty_string(self):
self.assertEqual(string_calculator.add(''), 0, 'add("") == 0')
def test_bigger_than_1000_numbers(self):
self.assertEqual(string_calculator.add('1\n2,3,1001'), 6, 'add(1\\n2,3,1001) == 6')
self.assertEqual(string_calculator.add('//:\n1:2:3:2000'), 6, 'add("//:\\n1:2:3:2000") == 6')
def test_custom_delimiters(self):
self.assertEqual(string_calculator.add('//;\n1;2'), 3, 'add("//;\\n1;2") == 3')
self.assertEqual(string_calculator.add('//:\n1:2:3'), 6, 'add("//:\\n1:2:3") == 6')
def test_add():
assert string_calculator.add("") == 0
assert string_calculator.add("1") == 1
assert string_calculator.add("2") == 2
assert string_calculator.add("1,2") == 3
assert string_calculator.add("2,3") == 5
assert string_calculator.add("1,2,3,4") == 10
assert string_calculator.add("1,4,5,6") == 16
assert string_calculator.add("1\n2") == 3
assert string_calculator.add("3\n4") == 7
assert string_calculator.add("//:\n1:2:3") == 6
assert string_calculator.add("3\n4") == 6
assert string_calculator.add("//---\n1---2---3") == 6
assert string_calculator.add("//-!:o-\n1-1;o-2-!;o-3") == 6
assert string_calculator.add("//-!o-\n15-!o-12-!o-3") == 30
def test_if_given_a_four_returns_a_four(self):
expected = "4"
actual = add("4")
self.assertEqual(expected, actual)
def test_two_string_input(self):
self.assertEqual(3, calc.add("1,2"))
self.assertEqual(6, calc.add("2,4"))
def test_adds_one_and_one_and_returns_two(self):
expected = "2"
actual = add("1,1")
self.assertEqual(expected,actual)
def test_with_negative_number(self):
with self.assertRaises(Exception) as context:
calc.add("//;\n-1")
self.assertTrue("Negatives not allowed: -1" in str(context.exception))
def test_adds_two_strings_returns_sum(self):
expected = "807"
actual = add("747,60")
self.assertEqual(expected,actual)
def test_empty_string_input(self):
self.assertEqual(0, calc.add(""))
self.assertEqual(0, calc.add(" "))
def test_adds_three_strings_returns_sum(self):
expected = "809"
actual = add("747,60,2")
self.assertEqual(expected,actual)
def test_add_with_delimiters():
assert add("//;\n1;2") == 3
assert add("//***\n1***2***3") == 6
assert add("//[\*][%]\n1\*2%3") == 6
assert add("//***//[\*][%]\n1\*2%3\n1***2***3") == 12
def test_can_use_newlines_to_delimit(self):
expected = "2"
actual = add("1\n1")
self.assertEqual(expected,actual)
def test_add_multiple_CSVs():
"""it should an unknown amount of numbers in a comma separated string"""
assert string_calculator.add('1, 2, 3') == 6
def test_can_use_custom_chars_to_delimit(self):
expected = "2"
actual = add("\\@\n1@1")
self.assertEqual(expected,actual)
def test_bigger_than_1000():
"""it should ignore numbers bigger than 1000"""
assert string_calculator.add('//;\n1000,1;2') == 3
def test_using_negatives_returns_exception_string(self):
expected = "negatives not allowed: -2"
actual = add("-2")
self.assertEqual(expected,actual)
def test_add_two_CSVs():
"""it should add 2 numbers in a comma separated string"""
assert string_calculator.add('1, 2') == 3
def test_negatives_and_positive_mix_returns_negatives(self):
expected = "negatives not allowed: -2"
actual = add("1,-2")
self.assertEqual(expected,actual)
def test_add_one():
#Question 1: One number
assert add("1") == 1
def test_numbers_larger_than_1000_are_ignored(self):
expected = "2"
actual = add("2,1001")
self.assertEqual(expected,actual)
def test_one_string_input(self):
self.assertEqual(1, calc.add("1"))
self.assertEqual(2, calc.add("2"))
def test_when_add_is_called_logger_is_called_with_add_result(self, log_function):
add("1,1")
string_calculator.log.assert_called_with("2")
def test_unknown_amount_input(self):
self.assertEqual(6, calc.add("1,2,3"))
self.assertEqual(4, calc.add("1,1,1,1"))
self.assertEqual(6, calc.add("1,1,1,1,2"))
def test_returns_zero_for_an_empty_string(self):
expected = "0"
actual = add("")
self.assertEqual(expected, actual)
def test_different_delimiters(self):
self.assertEqual(3, calc.add("//;\n1;2"))
self.assertEqual(6, calc.add("//;\n1;2\n3"))
self.assertEqual(6, calc.add("//;1;2\n3"))
self.assertEqual(6, calc.add("//;1\n2\n3"))
def test_two_numbers(self):
self.assertEqual(3, add("1,2"))
def test_with_several_negative_numbers(self):
with self.assertRaises(Exception) as context:
calc.add("//;\n-1;-2")
self.assertTrue(
"Negatives not allowed: [-1, -2]" in str(context.exception))
def test_three_numbers(self):
self.assertEqual(5, add("1,2,2"))
def test_any_length_delimiter(self):
self.assertEqual(6, calc.add("//[***]\n1***2***3"))
self.assertEqual(10, calc.add("//[+]\n1+2+3+4"))
self.assertEqual(10, calc.add("//[..]\n1..2\n3..4"))
def test_new_line_delimiter(self):
self.assertEqual(6, add("1\n2,3"))
def test_multiple_delimiters(self):
self.assertEqual(6, calc.add("//[*][%]\n1*2%3"))
self.assertEqual(10, calc.add("//[a][x][..]\n1a2..3x4"))
def test_support_different_delimiter(self):
self.assertEqual(3, add("//;\n1;2"))
def test_add_with_new_lines():
assert add("1\n2,3") == 6
def test_catch_negative_numbers(self):
with self.assertRaises(ValueError) as context:
add("-1")
self.assertEqual("Negative numbers not allowed: -1",
context.exception.message)
def test_add_negative_integers():
with pytest.raises(Exception) as error:
assert add("-1,-2,3,4")
assert str(error.value) == 'ERROR: negatives not allowed -1,-2'
def test_numbers_bigger_than_1000_not_allowed(self):
self.assertEqual(2, add("2,1001"))
def test_add_empty_string():
assert add("") == 0
def test_bigger_delimiters(self):
self.assertEqual(6, add("//[***]\n1***2***3"))
def test_new_line_as_delimiter():
"""it should be able to use new lines as delimiters"""
assert string_calculator.add('1\n2,3') == 6
def test_multiple_delimiters(self):
self.assertEqual(6, add("//[*][%]\n1*2%3"))
def test_negative_numbers_exception():
"""it should raise an exception containing all negative numbers if any are found"""
with pytest.raises(Exception, match = r'negatives not allowed \[-1, -2, -3\]'):
string_calculator.add('-1, -2, -3, 1, 2, 3')
def test_empty_string(self):
self.assertEqual(0, add(""))
def test_empty_string():
"""it should return 0 if the string is empty"""
assert string_calculator.add('') == 0
def test_one_number(self):
self.assertEqual(1, add("1"))
def test_multiple_delimiters():
"""it should be able handle multiple delimiters"""
assert string_calculator.add('//[*][%]\n1*2%3') == 6
def test_add_more_characters():
#Question 9: Test multiple delimiters with length longer than one character
assert add("//[*][%]\n1*2%+???++@aqw^^^\\^3") == 6
def test_add_numbers_step4(numbers, output):
result = add(numbers)
assert result == output
def test_add_unknown_amount_of_numbers(self):
self.assertEqual(string_calculator.add('1,3,5,8'), 17, 'add("1,3,5,8") == 17')
self.assertEqual(string_calculator.add('2,3,4,5,6'), 20, 'add("2,3,4,5,6") == 20')