def test_aiopg_pool_size():
    backend = AiopgBackend(
        "postgresql+aiopg://localhost/database?min_size=1&max_size=20")
    kwargs = backend._get_connection_kwargs()
    assert kwargs == {"minsize": 1, "maxsize": 20}
def test_aiopg_explicit_ssl():
    backend = AiopgBackend("postgresql+aiopg://localhost/database", ssl=True)
    kwargs = backend._get_connection_kwargs()
    assert kwargs == {"ssl": True}