httprunner(setup和teardown及hook)
httprunner有两种setup和teardown的定义方式,一个是测试类级别,一个是测试步骤级别的定义。
测试类级别的setup和teardown
第一种写法setup和teardown:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | #!/user/bin/env python # -*- coding: utf-8 -*- """ ------------------------------------ @Project : interfaceDemo @Time : 2020/8/20 13:47 @Auth : chineseluo @Email : 848257135@qq.com @File : demo_baidu_request_test.py @IDE : PyCharm ------------------------------------ """ from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase class TestBaiduRequestTestCase(HttpRunner): def setup( self ): print ( "运行于测试用例之前" ) def teardown( self ): print ( "运行于测试用例之后" ) config = ( Config( "get user list" ) .base_url( "https://www.baidu.com" ) .verify( False ) ) teststeps = [ Step( RunRequest( "get info" ) .get( "/" ) .validate() .assert_equal( "status_code" , 200 ) ) ] if __name__ = = "__main__" : TestBaiduRequestTestCase().test_start() |
结果为:
Process finished with exit code 0
运行于测试用例之前
PASSED [100%]2020-08-20 13:50:53.306 | INFO | httprunner.loader:load_dot_env_file:127 - Loading environment variables from D:\TestScriptDir\httprunner\interfaceDemo\.env
.
.
.
D:\TestScriptDir\httprunner\interfaceDemo\logs\a3872c1b-dedf-4485-bd95-3f31947bfae0.run.log
运行于测试用例之后
第二种写法setup_class和teardown_class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | #!/user/bin/env python # -*- coding: utf-8 -*- """ ------------------------------------ @Project : interfaceDemo @Time : 2020/8/20 13:47 @Auth : chineseluo @Email : 848257135@qq.com @File : demo_baidu_request_test.py @IDE : PyCharm ------------------------------------ """ from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase class TestBaiduRequestTestCase(HttpRunner): @classmethod def setup_class( cls ): print ( "运行于测试用例之前" ) @classmethod def teardown_class( cls ): print ( "运行于测试用例之后" ) config = ( Config( "get user list" ) .base_url( "https://www.baidu.com" ) .verify( False ) ) teststeps = [ Step( RunRequest( "get info" ) .get( "/" ) .validate() .assert_equal( "status_code" , 200 ) ) ] if __name__ = = "__main__" : TestBaiduRequestTestCase().test_start() |
上面两种写法在unittest和pytest中是不一样的,setup_class是运行于测试类的前面,setup是运行与每个测试方法的前面,在httprunner中,如果编写链路型的参数化case,那么setup_class只会在首尾的用例中执行,中间几条用例是不会执行的,但是setup会在每一条用例中都执行。
测试步骤前后的setup和teardown设置
我在debugtalk.py中写了两个hook_up和hook_teardown方法
1 2 3 4 5 6 7 8 9 | def hook_up(): print ( "前置操作:setup!" ) def hook_down(response = None ): print ( "后置操作:teardown!" ) if response: print (response) response.status_code = 300 |
在demo_baidu_request_test.py中调用debugtalk的两个hook方法,使用setup_hook()和teardown_hook()来加载我们自定义的hook:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | #!/user/bin/env python # -*- coding: utf-8 -*- """ ------------------------------------ @Project : interfaceDemo @Time : 2020/8/20 13:47 @Auth : chineseluo @Email : 848257135@qq.com @File : demo_baidu_request_test.py @IDE : PyCharm ------------------------------------ """ from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase class TestBaiduRequestTestCase(HttpRunner): @classmethod def setup_class( cls ): print ( "运行于测试用例之前" ) @classmethod def teardown_class( cls ): print ( "运行于测试用例之后" ) config = ( Config( "get user list" ) .base_url( "https://www.baidu.com" ) .verify( False ) ) teststeps = [ Step( RunRequest( "get info" ) .setup_hook( "${hook_up()}" ) .get( "/" ) .teardown_hook( "${hook_down()}" ) .validate() .assert_equal( "status_code" , 200 ) ) ] if __name__ = = "__main__" : TestBaiduRequestTestCase().test_start() |
运行结果:
Process finished with exit code 0
运行于测试用例之前
PASSED [100%]前置操作:setup!
后置操作:teardown!
2020-08-20 14:07:08.534 | INFO | httprunner.runner:test_start:460 - generate testcase log: D:\TestScriptDir\httprunner\interfaceDemo\logs\983886ea-36c1-4677-9966-4929f4006004.run.log
运行于测试用例之后
既然是hook方法,那么肯定是会集成一些内置的钩子,满足特殊的要求所使用的。
setup_hooks:在测试步骤前执行,先调用setup_hooks()内的函数。可以传入 $request 参数,可以对请求进行预处理或者修改,修改请求参数
teardown_hooks:在测试步骤执行后,先调用teardown()内的函数,可以传入$response参数,可以对返回值进行处理
我先在debugtalk.py中定义两个方法,输出一下后面获取的request和response.
1 2 3 4 5 6 7 8 | def hook_up(request = None ): print ( "输出request:{}" . format (request)) print ( "前置操作:setup!" ) def hook_down(response = None ): print ( "输出response:{}" . format ( '\n' .join([ '%s:%s' % item for item in response.__dict__.items()]))) print ( "后置操作:teardown!" ) |
然后在demo_baidu_request_test.py文件中调用这两个hook,然后传递参数$request和$response。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | #!/user/bin/env python # -*- coding: utf-8 -*- """ ------------------------------------ @Project : interfaceDemo @Time : 2020/8/20 13:47 @Auth : chineseluo @Email : 848257135@qq.com @File : demo_baidu_request_test.py @IDE : PyCharm ------------------------------------ """ from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase class TestBaiduRequestTestCase(HttpRunner): @classmethod def setup_class( cls ): print ( "运行于测试用例之前" ) @classmethod def teardown_class( cls ): print ( "运行于测试用例之后" ) config = ( Config( "get user list" ) .base_url( "https://www.baidu.com" ) .verify( False ) ) teststeps = [ Step( RunRequest( "get info" ) .setup_hook( "${hook_up($request)}" ) .get( "/" ) .teardown_hook( "${hook_down($response)}" ) .validate() .assert_equal( "status_code" , 200 ) ) ] if __name__ = = "__main__" : TestBaiduRequestTestCase().test_start() |
结果如下:
Process finished with exit code 0
运行于测试用例之前
PASSED [100%]输出request:{'method': 'GET', 'url': '/', 'params': {}, 'headers': {'HRUN-Request-ID': 'HRUN-656566cb-5369-43b1-af19-47ce6ef1c7ba-081374'}, 'req_json': None, 'data': None, 'cookies': {}, 'timeout': 120, 'allow_redirects': True, 'verify': False}
前置操作:setup!
resp_obj:<Response [200]>
validation_results:{}
后置操作:teardown!
传入的是一个request和response对象,我们可以对于传入的request和response对象进行操作
我们可以修改resquest和response传入和返回的值,来完成复杂的业务要求。
现在debugtalk.py改变了一下:
1 2 3 4 5 6 7 8 9 10 11 12 | def hook_up(request = None ): print ( "输出request:{}" . format (request)) print ( "前置操作:setup!" ) if request: request[ "params" ][ "username" ] = "888888" def hook_down(response = None ): print ( "输出response:{}" . format ( '\n' .join([ '%s:%s' % item for item in response.__dict__.items()]))) print ( "后置操作:teardown!" ) if response: response.status_code = 404 |
我修改了传入的setp的密码为“888888”,修改了step返回的状态码为404,看一下我在demo_baidu_request_test.py中的调用:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | #!/user/bin/env python # -*- coding: utf-8 -*- """ ------------------------------------ @Project : interfaceDemo @Time : 2020/8/20 13:47 @Auth : chineseluo @Email : 848257135@qq.com @File : demo_baidu_request_test.py @IDE : PyCharm ------------------------------------ """ from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase class TestBaiduRequestTestCase(HttpRunner): @classmethod def setup_class( cls ): print ( "运行于测试用例之前" ) @classmethod def teardown_class( cls ): print ( "运行于测试用例之后" ) config = ( Config( "get user list" ) .variables( * * { "username" : "123456" } ) .base_url( "https://www.baidu.com" ) .verify( False ) ) teststeps = [ Step( RunRequest( "get info" ) .setup_hook( "${hook_up($request)}" ) .get( "/" ) .with_params( * * { "username" : "${username}" }) .teardown_hook( "${hook_down($response)}" ) .validate() .assert_equal( "status_code" , 200 ) ) ] if __name__ = = "__main__" : TestBaiduRequestTestCase().test_start() |
下面是执行结果:
demo_baidu_request_test.py::TestBaiduRequestTestCase::test_start <- C:\Users\luozhongwen\AppData\Local\Programs\Python\Python38\lib\site-packages\httprunner\runner.py 运行于测试用例之前
FAILED [100%]输出request:{'method': 'GET', 'url': '/', 'params': {'username': '123456'}, 'headers': {'HRUN-Request-ID': 'HRUN-bbeea383-94b1-43c4-8092-4f35debfdacc-782331'}, 'req_json': None, 'data': None, 'cookies': {}, 'timeout': 120, 'allow_redirects': True, 'verify': False}
前置操作:setup!
输出response:resp_obj:<Response [200]>
validation_results:{}
后置操作:teardown
method : GET
url : https://www.baidu.com/?username=888888
httprunner.exceptions.ValidationFailure: assert status_code equal 200(int) ==> fail
check_item: status_code
check_value: 404(int)
assert_method: equal
expect_value: 200(int)
可以看到断言是失败的,我设置的成功断言状态码是200,传入的request中的username开始是123456,被我们截获请求参数后更改为了888888。在实际应用中,我们可以对于传入账号密码等进行加密,或者对于返回值的格式等进行解码操作
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本文转自「成都 - 阿木木」,修改了一些结论,仅做交流学习
原文链接:https://blog.csdn.net/qq_39214101/article/details/108123635
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