Add D-link tests (#86825)

* Fix D-Link config flow auth

* Add tests to D-Link

* pyupgrade

tests/components/dlink/test_switch.py

@@ -0,0 +1,77 @@
+"""Switch tests for the D-Link Smart Plug integration."""
+from collections.abc import Awaitable, Callable
+
+from homeassistant.components.dlink import DOMAIN
+from homeassistant.components.switch import DOMAIN as SWITCH_DOMAIN
+from homeassistant.const import (
+    ATTR_ENTITY_ID,
+    SERVICE_TURN_OFF,
+    SERVICE_TURN_ON,
+    STATE_OFF,
+    STATE_ON,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.setup import async_setup_component
+
+from .conftest import ComponentSetup
+
+from tests.components.repairs import get_repairs
+
+
+async def test_switch_state(
+    hass: HomeAssistant,
+    hass_ws_client: Callable[[HomeAssistant], Awaitable[None]],
+    setup_integration: ComponentSetup,
+) -> None:
+    """Test we get the switch status."""
+    assert await async_setup_component(
+        hass,
+        SWITCH_DOMAIN,
+        {
+            SWITCH_DOMAIN: {
+                "platform": DOMAIN,
+                "host": "1.2.3.4",
+                "username": "admin",
+                "password": "123456",
+                "use_legacy_protocol": True,
+            }
+        },
+    )
+    await hass.async_block_till_done()
+    issues = await get_repairs(hass, hass_ws_client)
+    assert len(issues) == 1
+    assert issues[0]["issue_id"] == "deprecated_yaml"
+
+    await setup_integration()
+
+    entity_id = "switch.mock_title_switch"
+    state = hass.states.get(entity_id)
+    assert state.state == STATE_OFF
+    assert state.attributes["total_consumption"] == 1040.0
+    assert state.attributes["temperature"] == 33
+    await hass.services.async_call(
+        SWITCH_DOMAIN,
+        SERVICE_TURN_ON,
+        {ATTR_ENTITY_ID: [entity_id]},
+        blocking=True,
+    )
+    assert hass.states.get(entity_id).state == STATE_ON
+    await hass.services.async_call(
+        SWITCH_DOMAIN,
+        SERVICE_TURN_OFF,
+        {ATTR_ENTITY_ID: [entity_id]},
+        blocking=True,
+    )
+    assert hass.states.get(entity_id).state == STATE_OFF
+
+
+async def test_switch_no_value(
+    hass: HomeAssistant, setup_integration_legacy: ComponentSetup
+) -> None:
+    """Test we handle 'N/A' being passed by the pypi package."""
+    await setup_integration_legacy()
+
+    state = hass.states.get("switch.mock_title_switch")
+    assert state.state == STATE_OFF
+    assert state.attributes["total_consumption"] is None
+    assert state.attributes["temperature"] is None