Fix a bunch of ResourceWarnings in the test suite

Make sure things get freed properly otherwise Python gets unhappy
with ResourceWarnings.

asyncpg/_testbase/fuzzer.py

@@ -191,6 +191,12 @@ async def handle(self):
  return_when=asyncio.FIRST_COMPLETED)
 
  finally:
+ if self.proxy_to_backend_task is not None:
+ self.proxy_to_backend_task.cancel()
+
+ if self.proxy_from_backend_task is not None:
+ self.proxy_from_backend_task.cancel()
+
  # Asyncio fails to properly remove the readers and writers
  # when the task doing recv() or send() is cancelled, so
  # we must remove the readers and writers manually before

asyncpg/protocol/protocol.pyx

@@ -609,7 +609,7 @@ cdef class BaseProtocol(CoreProtocol):
  pass
  finally:
  self.waiter = None
- self.transport.abort()
+  self.transport.abort()
 
  def _request_cancel(self):
  self.cancel_waiter = self.create_future()

tests/test_connect.py

@@ -1604,11 +1604,14 @@ async def test_nossl_connection_prefer_cancel(self):
  dsn='postgresql:https://foo/postgres?sslmode=prefer',
  host='localhost',
  user='ssl_user')
- self.assertFalse(con._protocol.is_ssl)
- with self.assertRaises(asyncio.TimeoutError):
- await con.execute('SELECT pg_sleep(5)', timeout=0.5)
- val = await con.fetchval('SELECT 123')
- self.assertEqual(val, 123)
+ try:
+ self.assertFalse(con._protocol.is_ssl)
+ with self.assertRaises(asyncio.TimeoutError):
+ await con.execute('SELECT pg_sleep(5)', timeout=0.5)
+ val = await con.fetchval('SELECT 123')
+ self.assertEqual(val, 123)
+ finally:
+ await con.close()
 
  async def test_nossl_connection_pool(self):
  pool = await self.create_pool(

tests/test_pool.py

@@ -842,6 +842,7 @@ async def test_pool_expire_connections(self):
  await pool.release(con)
 
  self.assertIsNone(pool._holders[0]._con)
+ await pool.close()
 
  async def test_pool_set_connection_args(self):
  pool = await self.create_pool(database='postgres',
@@ -883,6 +884,8 @@ async def test_pool_set_connection_args(self):
  con = await pool.acquire()
  self.assertEqual(con.get_settings().application_name,
  'set_conn_args_test_2')
+ await pool.release(con)
+ await pool.close()
 
  async def test_pool_init_race(self):
  pool = self.create_pool(database='postgres', min_size=1, max_size=1)