Pytest標記預期失敗得測試用例@pytest.mark.xfail()

      pytest除了測試函數中使用這個方法pytest.xfail()外，xfail還有一種使用方法。就是@pytest.mark.xfail()標記預期會失敗的用例，即期望測試用例是失敗的，但是不會影響測試用例的的執行。

標記的用例運行後，斷言失敗，所以結果是xfailed，也沒有像正常一樣顯示出錯誤用例及具體信息。

預期會失敗，實際斷言失敗xfailed

#!/usr/bin/env python
# _*_coding:utf-8_*_
import pytest


class Test(object):

    @pytest.mark.xfail(reason="預期失敗")
    def test_login_01(self):
        """用例1"""
        print('執行用例test_login_01斷言1')
        pytest.assume(1 == 0)
        print('執行用例test_login_01斷言2')
        pytest.assume(2 == 2)


if __name__ == '__main__':
    pytest.main(['-v', '-s', 'test_01.py'])

C:\Users\admin\AppData\Local\Programs\Python\Python37\python.exe C:/Users/admin/Desktop/AutoTest/Test/test/test_01/test_01.py
============================= test session starts =============================
platform win32 -- Python 3.7.4, pytest-5.4.2, py-1.8.1, pluggy-0.13.1 -- C:\Users\admin\AppData\Local\Programs\Python\Python37\python.exe
cachedir: .pytest_cache
rootdir: C:\Users\admin\Desktop\AutoTest\Test\test\test_01
plugins: assume-2.2.1, ordering-0.6
collecting ... 收集的測試用例:[<Function test_login_01>]
collected 1 item

test_01.py::Test::test_login_01 執行用例test_login_01斷言1
執行用例test_login_01斷言2
XFAIL

============================= 1 xfailed in 0.07s ==============================

Process finished with exit code 0

標記的用例運行後，斷言成功，所以結果是xfailed，也沒有像正常一樣顯示出錯誤用例及具體信息

預期會失敗，實際斷言成功xpassed

#!/usr/bin/env python
# _*_coding:utf-8_*_
import pytest


class Test(object):

    @pytest.mark.xfail()
    def test_login_02(self):
        """用例2"""
        print('執行用例test_login_02斷言1')
        pytest.assume(3 == 3)
        print('執行用例test_login_02斷言2')
        pytest.assume(True)


if __name__ == '__main__':
    pytest.main(['-v', '-s', 'test_01.py'])

C:\Users\admin\AppData\Local\Programs\Python\Python37\python.exe C:/Users/admin/Desktop/AutoTest/Test/test/test_01/test_01.py
============================= test session starts =============================
platform win32 -- Python 3.7.4, pytest-5.4.2, py-1.8.1, pluggy-0.13.1 -- C:\Users\admin\AppData\Local\Programs\Python\Python37\python.exe
cachedir: .pytest_cache
rootdir: C:\Users\admin\Desktop\AutoTest\Test\test\test_01
plugins: assume-2.2.1, ordering-0.6
collecting ... 收集的測試用例:[<Function test_login_02>]
collected 1 item

test_01.py::Test::test_login_02 執行用例test_login_02斷言1
執行用例test_login_02斷言2
XPASS

============================= 1 xpassed in 0.04s ==============================

Process finished with exit code 0