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import unittest
from urllib3.poolmanager import PoolManager
from urllib3 import connection_from_url
from urllib3.exceptions import (
ClosedPoolError,
LocationValueError,
)
class TestPoolManager(unittest.TestCase):
def test_same_url(self):
# Convince ourselves that normally we don't get the same object
conn1 = connection_from_url('http://localhost:8081/foo')
conn2 = connection_from_url('http://localhost:8081/bar')
self.assertNotEqual(conn1, conn2)
# Now try again using the PoolManager
p = PoolManager(1)
conn1 = p.connection_from_url('http://localhost:8081/foo')
conn2 = p.connection_from_url('http://localhost:8081/bar')
self.assertEqual(conn1, conn2)
def test_many_urls(self):
urls = [
"http://localhost:8081/foo",
"http://www.google.com/mail",
"http://localhost:8081/bar",
"https://www.google.com/",
"https://www.google.com/mail",
"http://yahoo.com",
"http://bing.com",
"http://yahoo.com/",
]
connections = set()
p = PoolManager(10)
for url in urls:
conn = p.connection_from_url(url)
connections.add(conn)
self.assertEqual(len(connections), 5)
def test_manager_clear(self):
p = PoolManager(5)
conn_pool = p.connection_from_url('http://google.com')
self.assertEqual(len(p.pools), 1)
conn = conn_pool._get_conn()
p.clear()
self.assertEqual(len(p.pools), 0)
self.assertRaises(ClosedPoolError, conn_pool._get_conn)
conn_pool._put_conn(conn)
self.assertRaises(ClosedPoolError, conn_pool._get_conn)
self.assertEqual(len(p.pools), 0)
def test_nohost(self):
p = PoolManager(5)
self.assertRaises(LocationValueError, p.connection_from_url, 'http://@')
self.assertRaises(LocationValueError, p.connection_from_url, None)
def test_contextmanager(self):
with PoolManager(1) as p:
conn_pool = p.connection_from_url('http://google.com')
self.assertEqual(len(p.pools), 1)
conn = conn_pool._get_conn()
self.assertEqual(len(p.pools), 0)
self.assertRaises(ClosedPoolError, conn_pool._get_conn)
conn_pool._put_conn(conn)
self.assertRaises(ClosedPoolError, conn_pool._get_conn)
self.assertEqual(len(p.pools), 0)
if __name__ == '__main__':
unittest.main()
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