blocks|key|4635303|text|或者，您可以创建users.py模块来保存测试用例中所需的用户信息，在我的示例中，它保存email和cookies。然后你可以在你的任务中随机调用它们。如下所示：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4635304|#+locustfile.py
from+locust+import+HttpLocust,+TaskSet,+task
from+user_agent+import+*
from+users+import+users_info


class+UserBehaviour(TaskSet):
++++def+get_user(self):
++++++++user+=+random.choice(users_info)
++++++++return+user

++++@task(10)
++++def+get_siparislerim(self):
++++++++user+=+self.get_user()
++++++++user_agent+=+self.get_user_agent()
++++++++r+=+self.client.get("/orders",+headers+=+{"Cookie":+user[1],+'User-Agent':+user_agent})

class+User(HttpLocust):
++++task_set+=+UserBehaviour
++++min_wait+=+5000
++++max_wait+=+60000|code-block|syntax|javascript|4635305|用户和用户代理可以由一个函数调用。通过这种方式，我们可以将测试分发给多个用户和不同的用户代理。|4635306|#+users.py

users_info+=+[
['performancetest.1441926507@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926506@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926501@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926499@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926494@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926493@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926492@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926491@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926490@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926489@gmail.com',+'cookies_created_by_each_user'],+
['performancetest.1441926487@gmail.com',+'cookies_created_by_each_user']]+|4635307|entityMap^0|8|8|18|5|1E|7|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]|$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Y|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|Z|8|@]|D|@]|E|$I|J]]|$1|O|3|-4|5|6|7|10|8|@]|D|@]|E|$]]]|P|$]]

Alternatively, you can create <code>users.py</code> module to hold the users' information you need in your test cases, in my example, it holds <code>email</code> and <code>cookies</code>. Then you can call them randomly in your tasks. See below:

<pre><code># locustfile.py
from locust import HttpLocust, TaskSet, task
from user_agent import *
from users import users_info


class UserBehaviour(TaskSet):
 def get_user(self):
 user = random.choice(users_info)
 return user

 @task(10)
 def get_siparislerim(self):
 user = self.get_user()
 user_agent = self.get_user_agent()
 r = self.client.get("/orders", headers = {"Cookie": user[1], 'User-Agent': user_agent})

class User(HttpLocust):
 task_set = UserBehaviour
 min_wait = 5000
 max_wait = 60000
</code></pre>

User and user-agent can be called by a function. With this way, we could distribute the test with many users and different user-agents.

<pre><code># users.py

users_info = [
['performancetest.1441926507@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926506@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926501@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926499@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926494@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926493@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926492@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926491@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926490@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926489@gmail.com', 'cookies_created_by_each_user'], 
['performancetest.1441926487@gmail.com', 'cookies_created_by_each_user']] 
</code></pre>

blocks|key|129158|text|在为分布式系统实现此功能时，我采用了一种略有不同的方法。我利用了一个非常简单的flask服务器，我在TaskSet的on_start部分对它进行了get调用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|129159|from+flask+import+Flask,+jsonify
app+=+Flask(__name__)

count+=+0++++#Shared+Variable

@app.route("/")
def+counter():
++++global+count

++++count+=+count%2B1
++++tenant+=+count+//+5+%2B+1
++++user+=+count+%25+5+%2B+1

++++return+jsonify({'count':count,'tenant':"load_tenant_{}".format(str(tenant)),'admin':"admin",'user':"load_user_{}".format(str(user))})

if+__name__+==+"__main__":
++++app.run()|code-block|syntax|javascript|129160|通过这种方式，我现在有了一个端点，我可以在我运行它的任何主机上获得http://localhost:5000/。我只需要让从系统可以访问这个端点，而不必担心重复的用户或由于有限的user_info集而导致的某种类型的循环效果。|offset|length|129161|entityMap|0|LINK|mutability|MUTABLE|url|http://localhost:5000/^0|0|0|X|M|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

I took a slightly different approach when implementing this for a distributed system. I utilized a very simple flask server that I made a get call to during the on_start portion of the TaskSet.

<pre><code>from flask import Flask, jsonify
app = Flask(__name__)

count = 0 #Shared Variable

@app.route("/")
def counter():
 global count

 count = count+1
 tenant = count // 5 + 1
 user = count % 5 + 1

 return jsonify({'count':count,'tenant':"load_tenant_{}".format(str(tenant)),'admin':"admin",'user':"load_user_{}".format(str(user))})

if __name__ == "__main__":
 app.run()
</code></pre>

In this way I now have an endpoint I can get at <a href="http://localhost:5000/" rel="nofollow">http://localhost:5000/</a> on whatever host I run this. I just need to make this endpoint accessible to the slave systems and I wont have to worry about duplicate users or some type of round robin effect caused by having a limited set of user_info.

blocks|key|4635367|text|在这里引用@heyman的答案。示例代码可以工作，但是继续启动/停止测试最终会清除USER_CREDENTIALS列表，并开始抛出错误。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4635368|我最后添加了以下内容：|4635369|from+locust+import+events+#+in+addition+to+the+other+locust+modules+needed

def+hatch_complete_handler(**kw):
++++global+USER_CREDENTIALS
++++USER_CREDENTIALS+=+generate_users()+#+some+function+here+to+regenerate+your+list

events.hatch_complete+%2B=+hatch_complete_handler|code-block|syntax|javascript|4635370|一旦你的蜂群完成孵化，这将刷新你的用户列表。|4635371|还要记住，您需要一个比您希望生成的用户数更长的列表。|4635372|entityMap^0|15|G|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|V|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|W|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|X|8|@]|D|@]|E|$]]|$1|O|3|P|5|6|7|Y|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|R|$]]

Piggy-backing on @heyman's answer here. The example code will work, but continuing to start / stop tests will eventually clear out the <code>USER_CREDENTIALS</code> list, and start to throw errors.

I ended up adding the following:

<pre><code>from locust import events # in addition to the other locust modules needed

def hatch_complete_handler(**kw):
 global USER_CREDENTIALS
 USER_CREDENTIALS = generate_users() # some function here to regenerate your list

events.hatch_complete += hatch_complete_handler
</code></pre>

This refreshes your user list once your swarm finishes hatching.

Also keep in mind that you'll need a list longer than the number of users you wish to spawn.

I need to stress-test a system and <a href="http://locust.io" rel="noreferrer">http://locust.io</a> seems like the best way to go about this. However, it looks like it is set up to use the same user every time. I need each spawn to log in as a different user. How do I go about setting that up? Alternatively, is there another system that would be good to use?

Way to use locust.io by supplying user list

压力测试

服务器

我需要对系统进行压力测试，而似乎是最好的方法。但是，它似乎被设置为每次都使用相同的用户。我需要每个产卵以不同的用户身份登录。我该如何设置它呢？或者，有没有其他系统可以很好地使用？

问通过提供用户列表使用locust.io的方法
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