Take the login scenario as an example.
When performing automated testing, the account is usually randomly selected from the configuration file to log in. When you need to specify a user to log in, you need to add a parameterized decorator. The implementation is as follows:
# conftest.py
@pytest.fixture(scope="session")
def user(request):
try:
username = request.param
except AttributeError:
username = "random user"
return username
"""使用默认用户登录"""
def test_login(user):
print(f"获取用户信息：{
user}")
--> 获取用户信息：random user
"""使用指定用户登录"""
@pytest.mark.parametrize("user", ["lan"], indirect=True)
def test_login(user):
print(f"获取用户信息：{
user}")
--> 获取用户信息：lan
To be more complicated, there are usually several steps for login, so encapsulate the login encapsulation function as a fixture, pass in a username and password, and log in directly in the use case.
@pytest.fixture
def auto_login(user):
print(f"Fixture 内进行登录操作: {
user}")
return user
"""未指定用户，选取随机用户"""
def test_fixture(auto_login, user):
print(f"用例内登录的用户是: {
auto_login}")
--> Fixture 内进行登录操作: random user
--> 用例内登录的用户是: random user
"""已指定用户"""
@pytest.mark.parametrize("user", ["lan"], indirect=True)
def test_fixture(auto_login, user):
print(f"用例内登录的用户是: {
auto_login}")
--> Fixture 内进行登录操作: lan
--> 用例内登录的用户是: lan