class TddInPythonExample(unittest.TestCase): def setUp(self): self.calc = Calculator() def test_calculator_add_method_returns_correct_result(self): result = self.calc.add(2,2) self.assertEqual(4, result) def test_calculator_returns_error_message_if_both_entries_are_not_numbers(self): self.assertRaises(ValueError, self.calc.add, 'two', 'three') self.assertRaises(TypeError, self.calc.sub, 'two', 'three') def test_calculator_returns_error_message_if_first_entry_is_not_number(self): self.assertRaises(ValueError, self.calc.add, 'two', 3) def test_calculator_returns_error_message_if_second_entry_is_not_number(self): self.assertRaises(ValueError, self.calc.add, 2, 'three') def test_calculator_subtract_method_returns_correct_result(self): result = self.calc.sub(4,7) self.assertEqual(-3,result) def test_calculator_multipy_method_returns_correct_result(self): result = self.calc.mult(2,3) self.assertEqual(6,result) def test_calculator_divide_method_returns_correct_result(self): result = self.calc.div(8,2) self.assertEqual(4,result) def test_calculator_factorial_method_returns_correct_result(self): result = self.calc.fact(5) self.assertEqual(120, result)
class CalculatorTest(unittest.TestCase):
def setUp(self):
self.calc = Calculator()
def test_should_return_3_when_add_1_and_2(self):
ret = self.calc.add(1, 2)
self.assertEqual(3, ret)
def test_should_throw_exception_when_no_numbers_passes(self):
self.assertRaises(ValueError, self.calc.add, "1", 2)
def test_should_return_1_when_sub_3_and_2(self):
ret = self.calc.sub(3, 2)
self.assertEqual(1, ret)
class CalculatorTest(unittest.TestCase): def setUp(self): self.calc = Calculator() def test_should_return_3_when_add_1_and_2(self): ret = self.calc.add(1, 2) self.assertEqual(3, ret) def test_should_throw_exception_when_no_numbers_passes(self): self.assertRaises(ValueError, self.calc.add, "1", 2) def test_should_return_1_when_sub_3_and_2(self): ret = self.calc.sub(3, 2) self.assertEqual(1, ret)
class TddInPyhton(unittest.TestCase):
def setUp(self):
self.calc = Calculator()
self.values = range(10)
def test_add_method_return_correct_result(self):
result = self.calc.add(2, 2)
self.assertEqual(4, result)
def test_sub_method_return_correct_result(self):
result = self.calc.sub(4, 2)
self.assertEqual(2, result)
def test_multy_return_correct_result(self):
result = self.calc.multy(2, 3)
self.assertEqual(6, result)
def test_divi_return_correct_result(self):
result = self.calc.divi(6, 3)
self.assertEqual(2, result)
def test_isLegal_add_random(self):
result = self.calc.isLegal("add")
self.assertTrue(result)
def test_isLegal_addSign_random(self):
result = self.calc.isLegal("+")
self.assertTrue(result)
def test_isLegal_subSign_random(self):
result = self.calc.isLegal("-")
self.assertTrue(result)
def test_isLegal_sub_true(self):
result = self.calc.isLegal("sub")
self.assertTrue(result)
def test_isLegal_divi_true(self):
result = self.calc.isLegal("divi")
self.assertTrue(result)
def test_isLegal_subSign_random(self):
result = self.calc.isLegal("/")
self.assertTrue(result)
def test_isLegal_multy_true(self):
result = self.calc.isLegal("multy")
self.assertTrue(result)
def test_isLegal_random_false(self):
result = self.calc.isLegal("false")
self.assertFalse(result)
def test_divi_return_error_result(self):
self.assertRaises(ValueError, self.calc.cantBeZero, 0)
self.assertRaises(ValueError, self.calc.divi, 5, 0)
def test_error_message(self):
self.assertRaises(ValueError, self.calc.validateNumber, "two", "three")
self.assertRaises(ValueError, self.calc.validateNumber, 1, "three")
self.assertRaises(ValueError, self.calc.validateNumber, "1", "three")
self.assertRaises(ValueError, self.calc.validateNumber, "1", "6")
def test_none_error_message(self):
try:
self.calc.validateNumber(2, 3)
self.calc.validateNumber(0, 3)
self.calc.validateNumber(0, 0)
except ValueError:
self.fail("validateNumber() raised ValueError unexpectedly!")
def test_calculator_sub_method_returns_correct_result(self):
calc = Calculator()
result = calc.sub(2, 2)
self.assertEqual(0, result)
