issue-1662.py

__requires__ = [
	'flask>=0.12.2',
	'flask-restful>=0.3.6',
	'requests_toolbelt',
	'autocommand',
]

import contextlib

from requests_toolbelt import sessions
from autocommand import autocommand
import cherrypy
from flask import Flask
from flask_restful import Api, Resource, reqparse, http_status_message


def build_app():
	app = Flask(__name__)
	api = Api(app)

	@app.route('/')
	def index():
		return http_status_message(200)

	class Hello(Resource):
		def __init__(self):
			self.parser = reqparse.RequestParser()
			self.parser.add_argument('name', type=str, default='World')

		def get(self):
			args = self.parser.parse_args()
			return 'Hello, {name}! Nice to meet you'.format(name=args['name'])

	api.add_resource(Hello, '/hello', endpoint='hello')

	return app


class ServerContext(contextlib.ContextDecorator):
	def __enter__(self):
		cherrypy.tree.graft(build_app(), '/')

		cherrypy.config.update({
			'environment': 'embedded',
			'engine.autoreload.on': False,
			'server.socket_port': 0,
		})

		cherrypy.engine.start()

	def __exit__(self, *args):
		cherrypy.engine.stop()
		cherrypy.engine.exit()


@autocommand(__name__)
@ServerContext()
def run():
	host, port = cherrypy.server.bound_addr

	url = f'http://localhost:{port}/'
	session = sessions.BaseUrlSession(url)

	print('first a get')
	resp = session.request('GET', '/hello')
	resp.raise_for_status()

	print('then options no params')
	resp = session.request('OPTIONS', '/hello')
	resp.raise_for_status()

	print('then options with params')
	resp = session.request('OPTIONS', '/hello?name=test')
	resp.raise_for_status()