009、fixture scope='session' 关于seesion的疑问

 

实验现象:  conftest.py ( 内有代码 scope=‘seesion‘ ), 如果是放在项目根目录下只执行一次; 如果放在项目 子package中,并且有多个  子package,会被执行多次。

疑问:scope=‘seesion‘ 说好的不是只执行一次吗?  为什么会执行多次 ?

 

目录结构如下:

009、fixture  scope='session'   关于seesion的疑问

 

test_aa 目录下 conftest.py 代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:10
import pytest


@pytest.fixture(scope=session, autouse=True)
def aa():
    print(\n我是test_aa目录下的conftest.py)
View Code

test_aa 目录下 test_one.py  代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:09

class TestAA():
    def test_01(self):
        print(=========test_01========)

    def test_02(self):
        print(=========test_02========)


class TestBB():
    def test_03(self):
        print(=========test_03========)

    def test_04(self):
        print(=========test_04========)
View Code

test_aa 目录下 test_two.py  代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:09


class TestCC():
    def test_05(self):
        print(\n=========test_05========)

    def test_06(self):
        print(=========test_06========)


class TestDD():
    def test_07(self):
        print(=========test_07========)

    def test_08(self):
        print(=========test_08========)
View Code

 

 

test_bb 目录下 conftest.py 代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:10
import pytest


@pytest.fixture(scope=session, autouse=True)
def bb():
    print(\n我是test_bb目录下的conftest.py)
View Code

test_bb目录下 test_four.py  代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:09


class TestEE():
    def test_09(self):
        print(=========test_09========)

    def test_10(self):
        print(=========test_10========)


class TestFF():
    def test_11(self):
        print(=========test_11========)

    def test_12(self):
        print(=========test_12========)
View Code

test_bb目录下 test_three.py  代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:10

class TestGG():
    def test_13(self):
        print(\n=========test_13========)

    def test_14(self):
        print(=========test_14========)


class TestHH():
    def test_15(self):
        print(=========test_15========)

    def test_16(self):
        print(=========test_16========)
View Code

 

 

test_cc 目录下 conftest.py 代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:10
import pytest


@pytest.fixture(scope=session, autouse=True)
def cc():
    print(\n我是test_cc目录下的conftest.py)
View Code

test_cc目录下 test_five.py  代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:10

class TestII():
    def test_17(self):
        print(=========test_17========)

    def test_18(self):
        print(=========test_18========)


class TestJJ():
    def test_19(self):
        print(=========test_19========)

    def test_20(self):
        print(=========test_20========)
View Code

test_cc目录下 test_six.py  代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:10

class TestKK():
    def test_21(self):
        print(\n=========test_21========)

    def test_22(self):
        print(=========test_22========)


class TestMM():
    def test_23(self):
        print(=========test_23========)

    def test_24(self):
        print(=========test_24========)
View Code

 

 

项目根目录下的 conftest.py  代码如下:

009、fixture  scope='session'   关于seesion的疑问
# -*- coding:utf-8 -*-
# @Author:  Sky
# @Email:   2780619724@qq.com
# @Time:    2021/7/18 11:10
import pytest


@pytest.fixture(scope=session, autouse=True)
def day07():
    print(\n我是day07目录下的conftest.py)
View Code

 

 

执行结果如下:

009、fixture  scope='session'   关于seesion的疑问
D:\SkyWorkSpace\WorkSpace\Pytest\Temp\day07>pytest -s
============================================================ test session starts =============================================================
platform win32 -- Python 3.8.6, pytest-5.4.3, py-1.10.0, pluggy-0.13.1
rootdir: D:\SkyWorkSpace\WorkSpace\Pytest\Temp\day07
plugins: allure-pytest-2.9.43, html-2.1.1, metadata-1.11.0
collected 24 items

test_aa\test_one.py
我是day07目录下的conftest.py

我是test_aa目录下的conftest.py
=========test_01========
.=========test_02========
.=========test_03========
.=========test_04========
.
test_aa\test_two.py
=========test_05========
.=========test_06========
.=========test_07========
.=========test_08========
.
test_bb\test_four.py
我是test_bb目录下的conftest.py
=========test_09========
.=========test_10========
.=========test_11========
.=========test_12========
.
test_bb\test_three.py
=========test_13========
.=========test_14========
.=========test_15========
.=========test_16========
.
test_cc\test_five.py
我是test_cc目录下的conftest.py
=========test_17========
.=========test_18========
.=========test_19========
.=========test_20========
.
test_cc\test_six.py
=========test_21========
.=========test_22========
.=========test_23========
.=========test_24========
.

============================================================= 24 passed in 0.13s =============================================================

D:\SkyWorkSpace\WorkSpace\Pytest\Temp\day07>
View Code

 

 

另外说明,当我把上面代码中所有 conftest.py 中 的  scope = session 改成 package  ,执行结果保持不变。

源码中是这样写的:

The scope for which this fixture is shared; one of ``"function"``
        (default), ``"class"``, ``"module"``, ``"package"`` or ``"session"``.

 

009、fixture scope='session' 关于seesion的疑问

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