core/tests/components/brother/test_init.py

"""Test init of Brother integration."""

from unittest.mock import patch

from brother import SnmpError
import pytest

from homeassistant.components.brother.const import DOMAIN
from homeassistant.config_entries import ConfigEntryState
from homeassistant.const import CONF_HOST, CONF_TYPE, STATE_UNAVAILABLE
from homeassistant.core import HomeAssistant

from . import init_integration

from tests.common import MockConfigEntry


async def test_async_setup_entry(hass: HomeAssistant) -> None:
    """Test a successful setup entry."""
    await init_integration(hass)

    state = hass.states.get("sensor.hl_l2340dw_status")
    assert state is not None
    assert state.state != STATE_UNAVAILABLE
    assert state.state == "waiting"


async def test_config_not_ready(hass: HomeAssistant) -> None:
    """Test for setup failure if connection to broker is missing."""
    entry = MockConfigEntry(
        domain=DOMAIN,
        title="HL-L2340DW 0123456789",
        unique_id="0123456789",
        data={CONF_HOST: "localhost", CONF_TYPE: "laser"},
    )

    with (
        patch("brother.Brother.initialize"),
        patch("brother.Brother._get_data", side_effect=ConnectionError()),
    ):
        entry.add_to_hass(hass)
        await hass.config_entries.async_setup(entry.entry_id)
        assert entry.state is ConfigEntryState.SETUP_RETRY


@pytest.mark.parametrize("exc", [(SnmpError("SNMP Error")), (ConnectionError)])
async def test_error_on_init(hass: HomeAssistant, exc: Exception) -> None:
    """Test for error on init."""
    entry = MockConfigEntry(
        domain=DOMAIN,
        title="HL-L2340DW 0123456789",
        unique_id="0123456789",
        data={CONF_HOST: "localhost", CONF_TYPE: "laser"},
    )

    with patch("brother.Brother.initialize", side_effect=exc):
        entry.add_to_hass(hass)
        await hass.config_entries.async_setup(entry.entry_id)
        assert entry.state is ConfigEntryState.SETUP_RETRY


async def test_unload_entry(hass: HomeAssistant) -> None:
    """Test successful unload of entry."""
    entry = await init_integration(hass)

    assert len(hass.config_entries.async_entries(DOMAIN)) == 1
    assert entry.state is ConfigEntryState.LOADED

    with patch("homeassistant.components.brother.lcd.unconfigure") as mock_unconfigure:
        assert await hass.config_entries.async_unload(entry.entry_id)
        await hass.async_block_till_done()
    assert mock_unconfigure.called

    assert entry.state is ConfigEntryState.NOT_LOADED
    assert not hass.data.get(DOMAIN)