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# The MIT License (MIT)
# Copyright (c) Microsoft Corporation. All rights reserved.
import platform
import unittest
from http.server import BaseHTTPRequestHandler, HTTPServer
from threading import Thread
import pytest
from azure.core.exceptions import ServiceRequestError
import azure.cosmos.cosmos_client as cosmos_client
import azure.cosmos.documents as documents
import test_config
class CustomRequestHandler(BaseHTTPRequestHandler):
database_name = None
def _set_headers(self):
self.send_response(200)
self.send_header('Content-type', 'application/json')
self.end_headers()
def _send_payload(self):
self._set_headers()
payload = "{\"id\":\"" + self.database_name + "\", \"_self\":\"self_link\"}"
self.wfile.write(bytes(payload, "utf-8"))
def do_GET(self):
self._send_payload()
def do_POST(self):
self._send_payload()
class Server(Thread):
def __init__(self, database_name, PORT):
Thread.__init__(self)
server_address = ('', PORT)
CustomRequestHandler.database_name = database_name
self.httpd = HTTPServer(server_address, CustomRequestHandler)
def run(self):
self.httpd.serve_forever()
def shutdown(self):
self.httpd.shutdown()
@pytest.mark.cosmosEmulator
class TestProxy(unittest.TestCase):
"""Proxy Tests.
"""
host = 'http://localhost:8081'
masterKey = test_config.TestConfig.masterKey
testDbName = 'sample database'
serverPort = 8089
@classmethod
def setUpClass(cls):
global server
global connection_policy
server = Server(cls.testDbName, cls.serverPort)
server.start()
connection_policy = documents.ConnectionPolicy()
connection_policy.ProxyConfiguration = documents.ProxyConfiguration()
connection_policy.ProxyConfiguration.Host = 'http://127.0.0.1'
@classmethod
def tearDownClass(cls):
server.shutdown()
# Needs further debugging
@pytest.mark.skip
def test_success_with_correct_proxy(self):
if platform.system() == 'Darwin':
self.skipTest("TODO: Connection error raised on OSX")
connection_policy.ProxyConfiguration.Port = self.serverPort
client = cosmos_client.CosmosClient(self.host, self.masterKey, consistency_level="Session",
connection_policy=connection_policy)
created_db = client.create_database_if_not_exists(self.testDbName)
self.assertEqual(created_db.id, self.testDbName, msg="Database id is incorrect")
def test_failure_with_wrong_proxy(self):
connection_policy.ProxyConfiguration.Port = self.serverPort + 1
try:
# client does a getDatabaseAccount on initialization, which fails
cosmos_client.CosmosClient(self.host, {'masterKey': self.masterKey}, connection_policy=connection_policy)
self.fail("Client instantiation is not expected")
except Exception as e:
self.assertTrue(type(e) is ServiceRequestError, msg="Error is not a ServiceRequestError")
if __name__ == "__main__":
unittest.main()
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