class TestCals:
# 实例化计算器
def setup_class(self):
self.calc = Calculator()
@pytest.mark.run(order=1)
# 参数化测试案例数据
@pytest.mark.parametrize("a,b,c", data, ids=myid)
def test_add(self, a, b, c, before_cases):
result = self.calc.addition(a, b)
# 如果结果是浮点数，则保留两位小数
if isinstance(result, float):
result = round(result, 2)
# 添加断言
assert result == c
# 除法测试用例
@pytest.mark.run(order=4)
@pytest.mark.parametrize('a,b,c', [(1, 1, 1), (0.1, 0.1, 1),
(-1, -0.1, 10), (1, 0, 0)])
def test_division(self, a, b, c, before_cases):
# 异常处理
try:
result = self.calc.division(a, b)
# 添加断言
assert result == c
except ZeroDivisionError:
print('被除数不能为零')
# 减法测试用例
@pytest.mark.run(order=2)
@pytest.mark.usefixtures('before_cases')
@pytest.mark.parametrize('a,b,c', [(1, 1, 0), (0.1, 0.1, 0),
(-1, -0.1, -0.9)])
def test_subtraction(self, a, b, c):
result = self.calc.subtraction(a, b)
# 添加断言
assert result == c
# 乘法测试用例
@pytest.mark.run(order=3)
@pytest.mark.parametrize('a,b,c', [(1, 1, 1), (0.1, 0.1, 0.01),
(-1, -0.1, 0.1), (1, 0, 0)])
def test_multiplication(self, a, b, c, before_cases):
result = self.calc.multiplication(a, b)
if isinstance(result, float):
result = round(result, 2)
# 添加断言
assert result == c
class TestCals:
def setup_class(self):
self.calc = Calculator()
print('开始计算')
def teardown_class(self):
print('计算结束')
def setup(self):
print('执行案例开始')
def teardown(self):
print('执行案例结束')
# 参数化测试案例数据
@pytest.mark.parametrize("a,b,c", data, ids=myid)
def test_add(self, a, b, c):
result = self.calc.addition(a, b)
# 如果结果是浮点数，则保留两位小数
if isinstance(result, float):
result = round(result, 2)
# 添加断言
assert result == c
# 除法测试用例
@pytest.mark.parametrize('a,b,c', [(1, 1, 1), (0.1, 0.1, 1),
(-1, -0.1, 10), (1, 0, 0)])
def test_division(self, a, b, c):
# 异常处理
try:
result = self.calc.division(a, b)
# 添加断言
assert result == c
except ZeroDivisionError:
print('被除数不能为零')
