09-pytest-parametrize参数化

# -*- coding: utf-8 -*-
# @Time    : 2021/10/10
# @Author  : 大海
# @File    : test_13.py
import pytest
"""
参数说明：
  第1个参数是字符串，多个参数中间用逗号隔开
  第2个参数是list，多组数组用元组类型
"""
@pytest.mark.parametrize("test_input,expected",
                         [("3+5", 8),
                          ("2+4", 6),
                          ("6 * 9", 54),
                          ])
def test_eval(test_input, expected):
    assert eval(test_input) == expected
if __name__ == "__main__":
    pytest.main(["-s", "test_13.py"])

# -*- coding: utf-8 -*-
# @Time    : 2021/10/10
# @Author  : 大海
# @File    : test_14.py
import pytest
# 遍历x与y组合
@pytest.mark.parametrize("x", [0, 1])
@pytest.mark.parametrize("y", [2, 3])
def test_foo(x, y):
    print("测试数据组合：x->%s, y->%s" % (x, y))
if __name__ == "__main__":
    pytest.main(["-s", "test_14.py"])

# -*- coding: utf-8 -*-
# @Time    : 2021/10/10
# @Author  : 大海
# @File    : test_15.py
import pytest
"""
标记为失败的用例，预期结果是失败，实际运行也是失败，显示xfailed
使用场景：
   功能已经未开发完或有问题，可以使用此标记为预期失败
"""
@pytest.mark.parametrize("test_input,expected", [
    ("3+5", 8),
    ("2+4", 6),
    pytest.param("6 * 9", 42, marks=pytest.mark.xfail),
])
def test_eval(test_input, expected):
    print("-------开始用例------")
    assert eval(test_input) == expected
if __name__ == "__main__":
    pytest.main(["-s", "test_15.py"])

# -*- coding: utf-8 -*-
# @Time    : 2021/10/10
# @Author  : 大海
# @File    : test_16.py
import pytest
# 测试账号数据
test_data = ["user1", "user2"]
@pytest.fixture(params=test_data)
def start(request):
    user = request.param
    print('启动app')
    print("登录账户：%s" % user)
    return user
# indirect=True 参数是为了把start当作一个函数去执行，而不是一个参数
@pytest.mark.parametrize("start", test_data, indirect=True)
def test_login(start):
    """登录用例"""
    a = start
    print("start中的返回值:%s" % a)
    assert a != ""
if __name__ == "__main__":
    pytest.main(["-s", "test_16.py"])