Created
November 29, 2017 20:26
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Calculator test functions
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| import unittest | |
| from calculator import Calculator | |
| # test the calculator functionality | |
| class TestCalculator(unittest.TestCase): | |
| def setUp(self): | |
| self.calc = Calculator() | |
| # this tests the add functionality | |
| # 2 + 2 = 4 | |
| # 2 + 4 = 6 | |
| # 2 + (-2) = 0 | |
| def test_calculator_add_method_returns_correct_result(self): | |
| result = self.calc.add(2, 2) | |
| self.assertEqual(4, result) | |
| result = self.calc.add(2, 4) | |
| self.assertEqual(6, result) | |
| result = self.calc.add(2, -2) | |
| self.assertEqual(0, result) | |
| # this tests the subtract functionality | |
| # 2 - 2 = 0 | |
| # 2 - 4 = -2 | |
| # 2 - (-4) = 6 | |
| def test_calculator_subtract_method_returns_correct_result(self): | |
| result = self.calc.subtract(2, 2) | |
| self.assertEqual(0, result) | |
| result = self.calc.subtract(2, 4) | |
| self.assertEqual(-2, result) | |
| result = self.calc.subtract(2, -4) | |
| self.assertEqual(6, result) |
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