[logger] fix on_message (#9642)

Co-authored-by: Samuel Sieb <samuel@sieb.net>
Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/logger/__init__.py

@@ -193,7 +193,7 @@ def validate_local_no_higher_than_global(value):
 Logger = logger_ns.class_("Logger", cg.Component)
 LoggerMessageTrigger = logger_ns.class_(
     "LoggerMessageTrigger",
-    automation.Trigger.template(cg.int_, cg.const_char_ptr, cg.const_char_ptr),
+    automation.Trigger.template(cg.uint8, cg.const_char_ptr, cg.const_char_ptr),
 )
 
 
@@ -390,7 +390,7 @@ async def to_code(config):
         await automation.build_automation(
             trigger,
             [
-                (cg.int_, "level"),
+                (cg.uint8, "level"),
                 (cg.const_char_ptr, "tag"),
                 (cg.const_char_ptr, "message"),
             ],

tests/components/logger/test-on_message.host.yaml

@@ -0,0 +1,18 @@
+logger:
+  id: logger_id
+  level: DEBUG
+  on_message:
+    - level: DEBUG
+      then:
+        - lambda: |-
+            ESP_LOGD("test", "Got message level %d: %s - %s", level, tag, message);
+    - level: WARN
+      then:
+        - lambda: |-
+            ESP_LOGW("test", "Warning level %d from %s", level, tag);
+    - level: ERROR
+      then:
+        - lambda: |-
+            // Test that level is uint8_t by using it in calculations
+            uint8_t adjusted_level = level + 1;
+            ESP_LOGE("test", "Error with adjusted level %d", adjusted_level);