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I am trying to figure out how many concurrent users can upload xml files using Locust

locust file

from locust import HttpLocust, TaskSet, task

class HttpSession(TaskSet):
        @task
        def post_img(self):
            headers = {'1': '1', '2': '2'}
            test_file = 'c:\\xmlfolder\a.xml'
            url='/uploadxml'
            self.client.request('POST', '/upload', files={'file': open(test_file, 'rb')}, headers=headers)

class WebsiteUser(HttpLocust):
    host = 'http://localhost:5000'
    task_set = HttpSession
    min_wait = 1000
    max_wait = 3000

When I run my locust file I get a 405 error

Ideally I want to give it atleast 3 or more xml files and spin up three /upload sessions and then upload 3 different xml files what am I doing wrong ?

this is a flask app which is already passed functional testing using selenium os =windows and hence the slashes

Answers

I think the files argument isn't working as you (or I) expect it to.

I copied your code and looked at what was being received by a Django app. The data had the filename prepended to the XML data. I changed the locust task to load the data into a variable and passed the data to the request:

class HttpSession(TaskSet):
    @task
    def post_img(self):                
        headers = {'content-type': 'application/xml'}
        with open('request_data.xml', 'r') as xml_fh:
            xml_data = xml_fh.read()
        self.client.request(
            method='POST',
            url='/upload',
            data=xml_data,
            headers=headers)