Test that changing the database linked to the account is thread safe.
How to test by making parallel invocations of?
- /vechicles
- /customers
How can you be sure that a parallel invocation of /vehicles and /customers will actually run parallel? E.g. on different cores at exactly the same time?
application.py
# -*- encoding: utf8 -*-
"""
Main Flask class.
"""
from flask import Flask, jsonify
app = Flask(__name__)
app.debug = False
@app.route("/vehicles", methods=['GET', 'OPTIONS'])
def vehicles():
vechicles = Vehicles()
return vehicles.do_something() # actual method not important
@app.route("/customers", methods=['GET', 'OPTIONS'])
def customers():
customers = Customers()
return customers.do_something() # actual method not important
if __name__ == "__main__":
app.run()base.py
import os
import cloudant
from requests.adapters import HTTPAdapter
# the httpAdapter is a global python object that is shared by
# all Cloudan Python Account instances
httpAdapter = HTTPAdapter(pool_connections=10, pool_maxsize=100)
class Base(object):
def __init__(self, db='vehicles', async=False):
self.dbname = db
self.username = os.environ.get('CLOUDANT_DB')
self.apikey = os.environ.get('CLOUDANT_DB_APIKEY')
self.apipassword = os.environ.get('CLOUDANT_DB_APIPASSWORD')
self.account = cloudant.Account(self.username, async=async)
self.account._session.auth = (self.apikey, self.apipassword)
self.account._session.adapters['https://'] = httpAdapter
self.db = self.account.database(db)Vehicles.py
# -*- encoding: utf8 -*-
from . import Base
class Vehicles(Base):ch
def __init__(self):
super(self.__class__, self).__init__(async=False)customers.py
# -*- encoding: utf8 -*-
from . import Base
class Customers(Base):
def __init__(self):
super(self.__class__, self).__init__(db='customers', async=False)