pytest进阶教程之fixture函数详解

# 定义的夹具函数，使用装饰器pytest.fixture
@pytest.fixture
def my_fruit():
 print("login:用户执行登录操作")

# 使用夹具函数的测试用例
def test_my_fruit_in_basket(my_fruit):
 print("hello world")

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

#执行结果：
collected 1 item
test_login.py login:
用户执行登录操作
hello world
.
============================== 1 passed in 0.02s ==========================

import pytest

@pytest.fixture
def first_entry():
 return "a"
@pytest.fixture
def order(first_entry):
 return [first_entry]
def test_string(order):
 order.append("b")
 assert order == ["a", "b"], "断言执行失败"

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

import pytest
@pytest.fixture
def my_fruit():
 print("login:用户执行登录操作")

# 被夹具函数装饰的测试用例
@pytest.mark.usefixtures("my_fruit")
def test_my_fruit_in_basket():
 print("hello world")


if __name__ == '__main__':
 pytest.main(['test_login.py', '-s', '-q'])
 
# 执行结果
login:用户执行登录操作 
hello world 
. 
1 passed in 0.01s

import pytest
@pytest.fixture(autouse=True)
def my_fruit():
 print("login:用户执行登录操作")

# 被夹具函数装饰的测试用例
def test_my_fruit_in_basket():
 print("hello world")


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

import pytest

@pytest.fixture
def first_entry():
 return "a"
@pytest.fixture
def order(first_entry):
 return [first_entry]
def test_string(order):
 order.append("b")
 assert order == ["a", "b"], "断言执行失败"
 
if __name__ == '__main__':
 pytest.main(['test_login.py::test_string', '-s'])

import pytest
from emaillib import Email, MailAdminClient

@pytest.fixture
def mail_admin():
 return MailAdminClient()

# 配置发送者的fixture函数
@pytest.fixture
def sending_user(mail_admin):
 user = mail_admin.create_user() #setup:创建发件人
 yield user      # 返回发件人
 admin_client.delete_user(user) #teardown:删除发件人

# 配置收件人的fixture函数
@pytest.fixture
def receiving_user(mail_admin):
 user = mail_admin.create_user() #setup:创建收件人
 yield user      #返回收件人
 admin_client.delete_user(user) #teardown:删除收件人

def test_email_received(sending_user, receiving_user, email):
 email = Email(subject="Hey!", body="How's it going?")
 sending_user.send_email(email, receiving_user)
 assert email in receiving_user.inbox

@pytest.fixture(scope='session')
def startApp_fixture(start_app):
 driver = start_app
 res = lp(driver).get_agree_info()
 try:
  assert res == "同意"
 except Exception as e:
  log.error("启动APP失败")
  log.exception(e)
  raise e
 else:
  lp(driver).click_agree()
  lp(driver).click_next_step()
  lp(driver).click_alert()
  lp(driver).click_pass()
  # 创建首页
  index_page = indexPage(driver)
  yield index_page, driver
  # 后置条件
  time.sleep(3)
  driver.close_app()
  
# 调用fixture函数
@pytest.fixture(scope='session')
def Entry_into_index(startApp_fixture)
 index_page = startApp_fixture（）[0]
 driver = startApp_fixture（）[1]

@pytest.fixture
def make_customer_record():
 def _make_customer_record(name):
  return {"name": name, "orders": []}

 return _make_customer_record #注意此处不加(),非函数调用

def test_customer_records(make_customer_record):
 customer_1 = make_customer_record("Lisa")