本文整理汇总了Python中app.calculator.Calculator.sub方法的典型用法代码示例。如果您正苦于以下问题：Python Calculator.sub方法的具体用法？Python Calculator.sub怎么用？Python Calculator.sub使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类app.calculator.Calculator的用法示例。
在下文中一共展示了Calculator.sub方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TddInPythonExample
# 需要导入模块: from app.calculator import Calculator [as 别名]
# 或者: from app.calculator.Calculator import sub [as 别名]
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)示例2: CalculatorTest
# 需要导入模块: from app.calculator import Calculator [as 别名]
# 或者: from app.calculator.Calculator import sub [as 别名]
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)示例3: TddInPyhton
# 需要导入模块: from app.calculator import Calculator [as 别名]
# 或者: from app.calculator.Calculator import sub [as 别名]
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!")