Fix inner callback decorators with partials (#102873)

tests/test_core.py

@@ -2498,3 +2498,39 @@ async def test_get_release_channel(version: str, release_channel: str) -> None:
     """Test if release channel detection works from Home Assistant version number."""
     with patch("homeassistant.core.__version__", f"{version}"):
         assert get_release_channel() == release_channel
+
+
+def test_is_callback_check_partial():
+    """Test is_callback_check_partial matches HassJob."""
+
+    @ha.callback
+    def callback_func():
+        pass
+
+    def not_callback_func():
+        pass
+
+    assert ha.is_callback(callback_func)
+    assert HassJob(callback_func).job_type == ha.HassJobType.Callback
+    assert ha.is_callback_check_partial(functools.partial(callback_func))
+    assert HassJob(functools.partial(callback_func)).job_type == ha.HassJobType.Callback
+    assert ha.is_callback_check_partial(
+        functools.partial(functools.partial(callback_func))
+    )
+    assert HassJob(functools.partial(functools.partial(callback_func))).job_type == (
+        ha.HassJobType.Callback
+    )
+    assert not ha.is_callback_check_partial(not_callback_func)
+    assert HassJob(not_callback_func).job_type == ha.HassJobType.Executor
+    assert not ha.is_callback_check_partial(functools.partial(not_callback_func))
+    assert HassJob(functools.partial(not_callback_func)).job_type == (
+        ha.HassJobType.Executor
+    )
+
+    # We check the inner function, not the outer one
+    assert not ha.is_callback_check_partial(
+        ha.callback(functools.partial(not_callback_func))
+    )
+    assert HassJob(ha.callback(functools.partial(not_callback_func))).job_type == (
+        ha.HassJobType.Executor
+    )