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Ponysearch/tests/unit/network/test_network.py
Alexandre Flament d14994dc73 [httpx] replace searx.poolrequests by searx.network 
settings.yml:

* outgoing.networks:
   * can contains network definition
   * propertiers: enable_http, verify, http2, max_connections, max_keepalive_connections,
     keepalive_expiry, local_addresses, support_ipv4, support_ipv6, proxies, max_redirects, retries
   * retries: 0 by default, number of times searx retries to send the HTTP request (using different IP & proxy each time)
   * local_addresses can be "192.168.0.1/24" (it supports IPv6)
   * support_ipv4 & support_ipv6: both True by default
     see https://github.com/searx/searx/pull/1034
* each engine can define a "network" section:
   * either a full network description
   * either reference an existing network

* all HTTP requests of engine use the same HTTP configuration (it was not the case before, see proxy configuration in master)
2021-04-12 17:25:56 +02:00

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# SPDX-License-Identifier: AGPL-3.0-or-later
from mock import patch
import httpx
from searx.network.network import Network, NETWORKS
from searx.testing import SearxTestCase
class TestNetwork(SearxTestCase):
def test_simple(self):
network = Network()
self.assertEqual(next(network._local_addresses_cycle), None)
self.assertEqual(next(network._proxies_cycle), ())
def test_ipaddress_cycle(self):
network = NETWORKS['ipv6']
self.assertEqual(next(network._local_addresses_cycle), '::')
self.assertEqual(next(network._local_addresses_cycle), '::')
network = NETWORKS['ipv4']
self.assertEqual(next(network._local_addresses_cycle), '0.0.0.0')
self.assertEqual(next(network._local_addresses_cycle), '0.0.0.0')
network = Network(local_addresses=['192.168.0.1', '192.168.0.2'])
self.assertEqual(next(network._local_addresses_cycle), '192.168.0.1')
self.assertEqual(next(network._local_addresses_cycle), '192.168.0.2')
self.assertEqual(next(network._local_addresses_cycle), '192.168.0.1')
network = Network(local_addresses=['192.168.0.0/30'])
self.assertEqual(next(network._local_addresses_cycle), '192.168.0.1')
self.assertEqual(next(network._local_addresses_cycle), '192.168.0.2')
self.assertEqual(next(network._local_addresses_cycle), '192.168.0.1')
self.assertEqual(next(network._local_addresses_cycle), '192.168.0.2')
network = Network(local_addresses=['fe80::/10'])
self.assertEqual(next(network._local_addresses_cycle), 'fe80::1')
self.assertEqual(next(network._local_addresses_cycle), 'fe80::2')
self.assertEqual(next(network._local_addresses_cycle), 'fe80::3')
with self.assertRaises(ValueError):
Network(local_addresses=['not_an_ip_address'])
def test_proxy_cycles(self):
network = Network(proxies='http://localhost:1337')
self.assertEqual(next(network._proxies_cycle), (('all://', 'http://localhost:1337'),))
network = Network(proxies={
'https': 'http://localhost:1337',
'http': 'http://localhost:1338'
})
self.assertEqual(next(network._proxies_cycle),
(('https://', 'http://localhost:1337'), ('http://', 'http://localhost:1338')))
self.assertEqual(next(network._proxies_cycle),
(('https://', 'http://localhost:1337'), ('http://', 'http://localhost:1338')))
network = Network(proxies={
'https': ['http://localhost:1337', 'http://localhost:1339'],
'http': 'http://localhost:1338'
})
self.assertEqual(next(network._proxies_cycle),
(('https://', 'http://localhost:1337'), ('http://', 'http://localhost:1338')))
self.assertEqual(next(network._proxies_cycle),
(('https://', 'http://localhost:1339'), ('http://', 'http://localhost:1338')))
with self.assertRaises(ValueError):
Network(proxies=1)
def test_get_kwargs_clients(self):
kwargs = {
'verify': True,
'max_redirects': 5,
'timeout': 2,
}
kwargs_client = Network.get_kwargs_clients(kwargs)
self.assertEqual(len(kwargs_client), 2)
self.assertEqual(len(kwargs), 1)
self.assertEqual(kwargs['timeout'], 2)
self.assertTrue(kwargs_client['verify'])
self.assertEqual(kwargs_client['max_redirects'], 5)
async def test_get_client(self):
network = Network(verify=True)
client1 = network.get_client()
client2 = network.get_client(verify=True)
client3 = network.get_client(max_redirects=10)
client4 = network.get_client(verify=True)
client5 = network.get_client(verify=False)
client6 = network.get_client(max_redirects=10)
self.assertEqual(client1, client2)
self.assertEqual(client1, client4)
self.assertNotEqual(client1, client3)
self.assertNotEqual(client1, client5)
self.assertEqual(client3, client6)
await network.aclose()
async def test_aclose(self):
network = Network(verify=True)
network.get_client()
await network.aclose()
async def test_request(self):
a_text = 'Lorem Ipsum'
response = httpx.Response(status_code=200, text=a_text)
with patch.object(httpx.AsyncClient, 'request', return_value=response):
network = Network(enable_http=True)
response = await network.request('GET', 'https://example.com/')
self.assertEqual(response.text, a_text)
await network.aclose()
class TestNetworkRequestRetries(SearxTestCase):
TEXT = 'Lorem Ipsum'
@classmethod
def get_response_404_then_200(cls):
first = True
async def get_response(*args, **kwargs):
nonlocal first
if first:
first = False
return httpx.Response(status_code=403, text=TestNetworkRequestRetries.TEXT)
return httpx.Response(status_code=200, text=TestNetworkRequestRetries.TEXT)
return get_response
async def test_retries_ok(self):
with patch.object(httpx.AsyncClient, 'request', new=TestNetworkRequestRetries.get_response_404_then_200()):
network = Network(enable_http=True, retries=1, retry_on_http_error=403)
response = await network.request('GET', 'https://example.com/')
self.assertEqual(response.text, TestNetworkRequestRetries.TEXT)
await network.aclose()
async def test_retries_fail_int(self):
with patch.object(httpx.AsyncClient, 'request', new=TestNetworkRequestRetries.get_response_404_then_200()):
network = Network(enable_http=True, retries=0, retry_on_http_error=403)
response = await network.request('GET', 'https://example.com/')
self.assertEqual(response.status_code, 403)
await network.aclose()
async def test_retries_fail_list(self):
with patch.object(httpx.AsyncClient, 'request', new=TestNetworkRequestRetries.get_response_404_then_200()):
network = Network(enable_http=True, retries=0, retry_on_http_error=[403, 429])
response = await network.request('GET', 'https://example.com/')
self.assertEqual(response.status_code, 403)
await network.aclose()
async def test_retries_fail_bool(self):
with patch.object(httpx.AsyncClient, 'request', new=TestNetworkRequestRetries.get_response_404_then_200()):
network = Network(enable_http=True, retries=0, retry_on_http_error=True)
response = await network.request('GET', 'https://example.com/')
self.assertEqual(response.status_code, 403)
await network.aclose()
async def test_retries_exception_then_200(self):
request_count = 0
async def get_response(*args, **kwargs):
nonlocal request_count
request_count += 1
if request_count < 3:
raise httpx.RequestError('fake exception', request=None)
return httpx.Response(status_code=200, text=TestNetworkRequestRetries.TEXT)
with patch.object(httpx.AsyncClient, 'request', new=get_response):
network = Network(enable_http=True, retries=2)
response = await network.request('GET', 'https://example.com/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response.text, TestNetworkRequestRetries.TEXT)
await network.aclose()
async def test_retries_exception(self):
async def get_response(*args, **kwargs):
raise httpx.RequestError('fake exception', request=None)
with patch.object(httpx.AsyncClient, 'request', new=get_response):
network = Network(enable_http=True, retries=0)
with self.assertRaises(httpx.RequestError):
await network.request('GET', 'https://example.com/')
await network.aclose()
class TestNetworkStreamRetries(SearxTestCase):
TEXT = 'Lorem Ipsum'
@classmethod
def get_response_exception_then_200(cls):
first = True
def stream(*args, **kwargs):
nonlocal first
if first:
first = False
raise httpx.RequestError('fake exception', request=None)
return httpx.Response(status_code=200, text=TestNetworkStreamRetries.TEXT)
return stream
async def test_retries_ok(self):
with patch.object(httpx.AsyncClient, 'stream', new=TestNetworkStreamRetries.get_response_exception_then_200()):
network = Network(enable_http=True, retries=1, retry_on_http_error=403)
response = network.stream('GET', 'https://example.com/')
self.assertEqual(response.text, TestNetworkStreamRetries.TEXT)
await network.aclose()
async def test_retries_fail(self):
with patch.object(httpx.AsyncClient, 'stream', new=TestNetworkStreamRetries.get_response_exception_then_200()):
network = Network(enable_http=True, retries=0, retry_on_http_error=403)
with self.assertRaises(httpx.RequestError):
network.stream('GET', 'https://example.com/')
await network.aclose()
async def test_retries_exception(self):
first = True
def stream(*args, **kwargs):
nonlocal first
if first:
first = False
return httpx.Response(status_code=403, text=TestNetworkRequestRetries.TEXT)
return httpx.Response(status_code=200, text=TestNetworkRequestRetries.TEXT)
with patch.object(httpx.AsyncClient, 'stream', new=stream):
network = Network(enable_http=True, retries=0, retry_on_http_error=403)
response = network.stream('GET', 'https://example.com/')
self.assertEqual(response.status_code, 403)
await network.aclose()
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