def test_monkeypatch(monkeypatch): c = Calculator() def fake_add(a, b): return 42 monkeypatch.setattr(c, "add", fake_add) assert c.add(2, 3) == 42
class TestCal:
def setup(self):
self.cal = Calculator()
@pytest.mark.run(order=1)
@pytest.mark.dependency(name='add')
@pytest.mark.parametrize('a,b,c',
yaml.safe_load(open('./data.yml', 'r'))['add'])
def test_add(self, a, b, c):
print(f"测试 {a} + {b} = {c}")
assert c == self.cal.add(a, b)
@pytest.mark.run(order=2)
@pytest.mark.dependency(depends=["add"])
@pytest.mark.parametrize('a,b,c',
yaml.safe_load(open('./data.yml', 'r'))['sub'])
def test_sub(self, a, b, c):
print(f"测试 {a} - {b} = {c}")
assert c == self.cal.sub(a, b)
@pytest.mark.run(order=4)
@pytest.mark.dependency(depends=["mul"])
@pytest.mark.parametrize('a,b,c',
yaml.safe_load(open('./data.yml', 'r'))['div'])
def test_div(self, a, b, c):
print(f"测试 {a} / {b} = {c}")
assert c == self.cal.div(a, b)
@pytest.mark.run(order=3)
@pytest.mark.dependency(name='mul')
@pytest.mark.parametrize('a,b,c',
yaml.safe_load(open('./data.yml', 'r'))['mul'])
def test_mul(self, a, b, c):
print(f"测试 {a} * {b} = {c}")
assert c == self.cal.mul(a, b)
def test_add_weird():
c = Calculator()
# Raise error when any one is string
with pytest.raises(CalculatorError) as context:
result = c.add('10', 20)
assert str(context.value) == '10 is not a number'
class ModuleTest(unittest.TestCase):
def setUp(self):
self.calc = Calculator(8, 4)
def tearDown(self):
pass
def test_add(self):
result = self.calc.add()
self.assertEqual(result, 12)
def test_sub(self):
result = self.calc.sub()
self.assertEqual(result, 4)
def test_mul(self):
result = self.calc.mul()
self.assertEqual(result, 32)
def test_div(self):
result = self.calc.div()
self.assertEqual(result, 2)
def test_add(self, a, b, c):
cal = Calculator()
assert c == cal.add(a, b)
def test_add_parameterize(a, b, expected): c = Calculator() assert c.add(a, b) == expected
def test_add_range(): c = Calculator() for i in range(10): assert c.add(i, 2) == i+2
def test_add(): c = Calculator() result = c.add(3, 4) assert result == 7
def test_calculator_add_method_returns_correct_result(self):
calc = Calculator()
result = calc.add(2,2)
self.assertEqual(4, result)