def test_pool_clear(mcache_params, loop):
pool = MemcachePool(minsize=1, maxsize=5, loop=loop, **mcache_params)
conn = yield from pool.acquire()
pool.release(conn)
assert pool.size() == 1
yield from pool.clear()
assert pool._pool.qsize() == 0
def test_bad_connection(mcache_params, loop):
pool = MemcachePool(minsize=5, maxsize=1, loop=loop, **mcache_params)
pool._host = "INVALID_HOST"
assert pool.size() == 0
with pytest.raises(Exception):
conn = yield from pool.acquire()
assert isinstance(conn.reader, asyncio.StreamReader)
assert isinstance(conn.writer, asyncio.StreamWriter)
pool.release(conn)
assert pool.size() == 0
def test_pool_acquire_release2(mcache_params, loop):
pool = MemcachePool(minsize=1, maxsize=5, loop=loop, **mcache_params)
reader, writer = yield from asyncio.open_connection(
mcache_params['host'], mcache_params['port'], loop=loop)
# put dead connection to the pool
writer.close()
reader.feed_eof()
conn = _connection(reader, writer)
yield from pool._pool.put(conn)
conn = yield from pool.acquire()
assert isinstance(conn.reader, asyncio.StreamReader)
assert isinstance(conn.writer, asyncio.StreamWriter)
def test_acquire_dont_create_new_connection_if_have_conn_in_pool(mcache_params,
loop):
pool = MemcachePool(minsize=1, maxsize=5, loop=loop, **mcache_params)
assert pool.size() == 0
# Add a valid connection
_conn = yield from pool._create_new_conn()
yield from pool._pool.put(_conn)
assert pool.size() == 1
conn = yield from pool.acquire()
assert conn is _conn
assert pool.size() == 1
def test_acquire_limit_maxsize(mcache_params,
loop):
pool = MemcachePool(minsize=1, maxsize=1, loop=loop, **mcache_params)
assert pool.size() == 0
# Create up to max connections
_conn = yield from pool.acquire()
assert pool.size() == 1
pool.release(_conn)
@asyncio.coroutine
def acquire_wait_release():
conn = yield from pool.acquire()
assert conn is _conn
yield from asyncio.sleep(0.01, loop=loop)
assert len(pool._in_use) == 1
assert pool.size() == 1
assert pool._pool.qsize() == 0
pool.release(conn)
yield from asyncio.gather(*([acquire_wait_release()] * 3), loop=loop)
assert pool.size() == 1
assert len(pool._in_use) == 0
def test_0_minsize(mcache_params, loop):
pool = MemcachePool(minsize=0, maxsize=5, loop=loop, **mcache_params)
conn = yield from pool.acquire()
assert isinstance(conn.reader, asyncio.StreamReader)
assert isinstance(conn.writer, asyncio.StreamWriter)
pool.release(conn)
def test_pool_creation(mcache_params, loop):
pool = MemcachePool(minsize=1, maxsize=5, loop=loop, **mcache_params)
assert pool.size() == 0
assert pool._minsize == 1
def __init__(self, pool_size=4):
self._pool = MemcachePool(minsize=pool_size,
maxsize=pool_size,
loop=loop,
**mcache_params)
