diff --git a/homeassistant/components/tuya/xternal_tuya_quirks/device_quirk.py b/homeassistant/components/tuya/xternal_tuya_quirks/device_quirk.py
index 083bb46648a..b2b0ae65f1b 100644
--- a/homeassistant/components/tuya/xternal_tuya_quirks/device_quirk.py
+++ b/homeassistant/components/tuya/xternal_tuya_quirks/device_quirk.py
@@ -24,6 +24,7 @@ class BaseTuyaDefinition:
     key: str
     translation_key: str
     translation_string: str
+    state_translations: dict[str, str] | None = None
     device_class: str | None = None
     entity_category: str | None = None
 
@@ -43,8 +44,6 @@ class TuyaCoverDefinition(BaseTuyaDefinition):
 class TuyaSelectDefinition(BaseTuyaDefinition):
     """Definition for a select entity."""
 
-    state_translations: dict[str, str] | None = None
-
 
 @dataclass(kw_only=True)
 class TuyaSensorDefinition(BaseTuyaDefinition):
diff --git a/tests/components/tuya/test_quirks.py b/tests/components/tuya/test_quirks.py
new file mode 100644
index 00000000000..04fb296601b
--- /dev/null
+++ b/tests/components/tuya/test_quirks.py
@@ -0,0 +1,96 @@
+"""Ensure quirks are correctly aligned with Home Assistant."""
+
+from __future__ import annotations
+
+from enum import StrEnum
+
+import pytest
+
+from homeassistant.components.cover import CoverDeviceClass
+from homeassistant.components.sensor import SensorDeviceClass
+from homeassistant.components.tuya.xternal_tuya_device_quirks import (
+    register_tuya_quirks,
+)
+from homeassistant.components.tuya.xternal_tuya_quirks import (
+    TUYA_QUIRKS_REGISTRY,
+    QuirksRegistry,
+    TuyaDeviceQuirk,
+)
+from homeassistant.components.tuya.xternal_tuya_quirks.device_quirk import (
+    BaseTuyaDefinition,
+)
+from homeassistant.const import EntityCategory, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import translation
+from homeassistant.util.json import load_json
+
+
+@pytest.fixture(scope="module")
+def filled_quirks_registry() -> QuirksRegistry:
+    """Mock an old config entry that can be migrated."""
+    register_tuya_quirks()
+    return TUYA_QUIRKS_REGISTRY
+
+
+_PLATFORM_DEVICE_CLASS: dict[Platform, type[StrEnum]] = {
+    Platform.COVER: CoverDeviceClass,
+    Platform.SENSOR: SensorDeviceClass,
+}
+
+
+def _validate_quirk_platform(
+    quirk: TuyaDeviceQuirk, strings: dict[str, str], platform: str
+) -> None:
+    """Validate entity translations exist in strings.json."""
+    definitions: list[BaseTuyaDefinition] = getattr(quirk, f"{platform}_definitions")
+    for definition in definitions:
+        # Validate entity translations exist in strings.json.
+        full_key = f"entity.{platform}.{definition.translation_key}.name"
+        assert definition.translation_string == strings.get(full_key), (
+            f"Incorrect or missing translation string for {full_key} in "
+            "homeassistant/components/tuya/strings.json"
+        )
+        # Validate entity state translations exist in strings.json.
+        if state_translations := definition.state_translations:
+            for state, state_translation in state_translations.items():
+                full_key = (
+                    f"entity.{platform}.{definition.translation_key}.state.{state}"
+                )
+                assert state_translation == strings.get(full_key), (
+                    f"Incorrect or missing translation string for {full_key} in "
+                    "homeassistant/components/tuya/strings.json"
+                )
+        # Validate device class is valid for platform.
+        if definition.device_class is not None:
+            device_class_enum = _PLATFORM_DEVICE_CLASS[platform]
+            assert definition.device_class in device_class_enum.__members__.values(), (
+                f"Invalid quirk device class {definition.device_class} for "
+                f"{definition.key} {platform} in {quirk.quirk_file} {quirk.quirk_file_line}"
+            )
+        # Validate entity category is valid for platform.
+        if definition.entity_category is not None:
+            assert definition.entity_category in EntityCategory.__members__.values(), (
+                f"Invalid quirk entity category {definition.entity_category} for "
+                f"{definition.key} {platform} in {quirk.quirk_file} {quirk.quirk_file_line}"
+            )
+
+
+async def test_quirks_validation(
+    hass: HomeAssistant, filled_quirks_registry: QuirksRegistry
+) -> None:
+    """Test that quirks are valid.
+
+    - ensures that all translation strings exist in strings.json
+    - ensures that all device classes are valid for the platform
+    - ensures that all entity categories are valid for the platform
+    """
+    json_strings = await hass.async_add_executor_job(
+        load_json, "homeassistant/components/tuya/strings.json"
+    )
+    strings = translation.recursive_flatten("", json_strings)
+
+    for category_devices in filled_quirks_registry._quirks.values():
+        for quirk in category_devices.values():
+            _validate_quirk_platform(quirk, strings, Platform.COVER)
+            _validate_quirk_platform(quirk, strings, Platform.SELECT)
+            _validate_quirk_platform(quirk, strings, Platform.SENSOR)