Function test_reconnect_after_grow_failed

tests/pool/test_pool_async.py:577–605

(proxy)

@pytest.mark.slow
async def test_reconnect_after_grow_failed(proxy):
    # Retry reconnection after a failed connection attempt has put the pool
    # in grow mode. See issue #370.
    proxy.stop()

    ev = AEvent()

    def failed(pool):
        ev.set()

    async with pool.AsyncConnectionPool(
        proxy.client_dsn, min_size=4, reconnect_timeout=1.0, reconnect_failed=failed
    ) as p:
        assert await ev.wait_timeout(2.0)

        with pytest.raises(pool.PoolTimeout):
            async with p.connection(timeout=0.5) as conn:
                pass

        ev.clear()
        assert await ev.wait_timeout(2.0)

        proxy.start()

        async with p.connection(timeout=2) as conn:
            await conn.execute("select 1")

        await p.wait(timeout=3.0)
        assert len(p._pool) == p.min_size == 4


@pytest.mark.slow