如果你还想从头学起Pytest,可以看看这个系列的文章哦!
https://www.cnblogs.com/poloyy/category/1690628.html
@pytest.fixture(scope="function", params=None, autouse=False, ids=None, name=None)
def test():
print("fixture初始化的参数列表")
session的作用域:是整个测试会话,即开始执行pytest到结束测试
@pytest.mark.usefixtures(fixture_name)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
__title__ =
__Time__ = 2020-04-06 15:50
__Author__ = 小菠萝测试笔记
__Blog__ = https://www.cnblogs.com/poloyy/
"""
import pytest
# 调用方式一
@pytest.fixture
def login():
print("输入账号,密码先登录")
def test_s1(login):
print("用例 1:登录之后其它动作 111")
def test_s2(): # 不传 login
print("用例 2:不需要登录,操作 222")
# 调用方式二
@pytest.fixture
def login2():
print("please输入账号,密码先登录")
@pytest.mark.usefixtures("login2", "login")
def test_s11():
print("用例 11:登录之后其它动作 111")
# 调用方式三
@pytest.fixture(autouse=True)
def login3():
print("====auto===")
# 不是test开头,加了装饰器也不会执行fixture
@pytest.mark.usefixtures("login2")
def loginss():
print(123)
@pytest.mark.usefixtures()
@pytest.mark.usefixtures()
@pytest.mark.usefixtures()
scope
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
__title__ =
__Time__ = 2020-04-06 16:14
__Author__ = 小菠萝测试笔记
__Blog__ = https://www.cnblogs.com/poloyy/
"""
import pytest
order = []
@pytest.fixture(scope="session")
def s1():
order.append("s1")
@pytest.fixture(scope="module")
def m1():
order.append("m1")
@pytest.fixture
def f1(f3, a1):
# 先实例化f3, 再实例化a1, 最后实例化f1
order.append("f1")
assert f3 == 123
@pytest.fixture
def f3():
order.append("f3")
a = 123
yield a
@pytest.fixture
def a1():
order.append("a1")
@pytest.fixture
def f2():
order.append("f2")
def test_order(f1, m1, f2, s1):
# m1、s1在f1后,但因为scope范围大,所以会优先实例化
assert order == ["s1", "m1", "f3", "a1", "f1", "f2"]
断言成功
添加了 @pytest.fixture ,如果fixture还想依赖其他fixture,需要用函数传参的方式,不能用 @pytest.mark.usefixtures() 的方式,否则会不生效
@pytest.fixture(scope="session")
def open():
print("===打开浏览器===")
@pytest.fixture
# @pytest.mark.usefixtures("open") 不可取!!!不生效!!!
def login(open):
# 方法级别前置操作setup
print(f"输入账号,密码先登录{open}")
前面讲的,其实都是setup的操作,那么现在就来讲下teardown是怎么实现的
用fixture实现teardown并不是一个独立的函数,而是用 yield 关键字来开启teardown操作
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
__title__ =
__Time__ = 2020-04-06 15:50
__Author__ = 小菠萝测试笔记
__Blog__ = https://www.cnblogs.com/poloyy/
"""
import pytest
@pytest.fixture(scope="session")
def open():
# 会话前置操作setup
print("===打开浏览器===")
test = "测试变量是否返回"
yield test
# 会话后置操作teardown
print("==关闭浏览器==")
@pytest.fixture
def login(open):
# 方法级别前置操作setup
print(f"输入账号,密码先登录{open}")
name = "==我是账号=="
pwd = "==我是密码=="
age = "==我是年龄=="
# 返回变量
yield name, pwd, age
# 方法级别后置操作teardown
print("登录成功")
def test_s1(login):
print("==用例1==")
# 返回的是一个元组
print(login)
# 分别赋值给不同变量
name, pwd, age = login
print(name, pwd, age)
assert "账号" in name
assert "密码" in pwd
assert "年龄" in age
def test_s2(login):
print("==用例2==")
print(login)
# 官方例子
@pytest.fixture(scope="module")
def smtp_connection():
with smtplib.SMTP("smtp.gmail.com", 587, timeout=5) as smtp_connection:
yield smtp_connection # provide the fixture value
该 smtp_connection 连接将测试完成执行后已经关闭,因为 smtp_connection 对象自动关闭时, with 语句结束。
@pytest.fixture(scope="module")
def test_addfinalizer(request):
# 前置操作setup
print("==再次打开浏览器==")
test = "test_addfinalizer"
def fin():
# 后置操作teardown
print("==再次关闭浏览器==")
request.addfinalizer(fin)
# 返回前置操作的变量
return test
def test_anthor(test_addfinalizer):
print("==最新用例==", test_addfinalizer)
request.addfinalizer()