async def test_login_failed(hass: HomeAssistant, service: MagicMock):
    """Test when we have errors during login."""
    service.return_value.login = Mock(
        side_effect=(SynologyDSMLoginInvalidException(USERNAME))
    )

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_USER},
        data={CONF_HOST: HOST, CONF_USERNAME: USERNAME, CONF_PASSWORD: PASSWORD},
    )
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["errors"] == {CONF_USERNAME: "******"}
async def test_reauth_triggered(hass: HomeAssistant):
    """Test if reauthentication flow is triggered."""
    with patch(
        "homeassistant.components.synology_dsm.SynoApi.async_setup",
        side_effect=SynologyDSMLoginInvalidException(USERNAME),
    ), patch(
        "homeassistant.components.synology_dsm.config_flow.SynologyDSMFlowHandler.async_step_reauth",
        return_value={"type": data_entry_flow.RESULT_TYPE_FORM},
    ) as mock_async_step_reauth:
        entry = MockConfigEntry(
            domain=DOMAIN,
            data={
                CONF_HOST: HOST,
                CONF_PORT: PORT,
                CONF_SSL: USE_SSL,
                CONF_USERNAME: USERNAME,
                CONF_PASSWORD: PASSWORD,
                CONF_MAC: MACS[0],
            },
        )
        entry.add_to_hass(hass)
        assert not await hass.config_entries.async_setup(entry.entry_id)
        mock_async_step_reauth.assert_called_once()