From 5aeab5f361ea853efd2803a8fb3cde9a4539ecb8 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Fri, 25 Sep 2026 20:40:42 +0100
Subject: [PATCH] [hdc302x] Use register_apply_action for heater_on and
 heater_off (#19673)

---
 esphome/components/hdc302x/hdc302x.h          | 18 ----------
 esphome/components/hdc302x/sensor.py          | 34 ++++---------------
 tests/components/hdc302x/common-actions.yaml  | 12 +++++++
 .../hdc302x/test-actions.esp8266-ard.yaml     |  4 +++
 4 files changed, 22 insertions(+), 46 deletions(-)
 create mode 100644 tests/components/hdc302x/common-actions.yaml
 create mode 100644 tests/components/hdc302x/test-actions.esp8266-ard.yaml

diff --git a/esphome/components/hdc302x/hdc302x.h b/esphome/components/hdc302x/hdc302x.h
index cc5343ee89..0cf8b7a386 100644
--- a/esphome/components/hdc302x/hdc302x.h
+++ b/esphome/components/hdc302x/hdc302x.h
@@ -1,7 +1,6 @@
 #pragma once
 
 #include "esphome/core/component.h"
-#include "esphome/core/automation.h"
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/i2c/i2c.h"
 
@@ -48,21 +47,4 @@ class HDC302XComponent final : public PollingComponent, public i2c::I2CDevice {
   uint32_t conversion_delay_ms_();
 };
 
-template<typename... Ts> class HeaterOnAction final : public Action<Ts...>, public Parented<HDC302XComponent> {
- public:
-  TEMPLATABLE_VALUE(uint16_t, power)
-  TEMPLATABLE_VALUE(uint32_t, duration)
-
-  void play(const Ts &...x) override {
-    auto power_val = this->power_.value(x...);
-    auto duration_val = this->duration_.value(x...);
-    this->parent_->start_heater(power_val, duration_val);
-  }
-};
-
-template<typename... Ts> class HeaterOffAction final : public Action<Ts...>, public Parented<HDC302XComponent> {
- public:
-  void play(const Ts &...x) override { this->parent_->stop_heater(); }
-};
-
 }  // namespace esphome::hdc302x
diff --git a/esphome/components/hdc302x/sensor.py b/esphome/components/hdc302x/sensor.py
index 31671c5b1e..2686ba5322 100644
--- a/esphome/components/hdc302x/sensor.py
+++ b/esphome/components/hdc302x/sensor.py
@@ -18,8 +18,6 @@ from esphome.const import (
     UNIT_CELSIUS,
     UNIT_PERCENT,
 )
-from esphome.core import ID
-from esphome.cpp_generator import MockObj, TemplateArgsType
 from esphome.types import ConfigType
 
 DEPENDENCIES = ["i2c"]
@@ -37,10 +35,6 @@ POWER_MODE_OPTIONS = {
     "ULTRA_LOW_POWER": HDC302XPowerMode.ULTRA_LOW_POWER,
 }
 
-# Actions
-HeaterOnAction = hdc302x_ns.class_("HeaterOnAction", automation.Action)
-HeaterOffAction = hdc302x_ns.class_("HeaterOffAction", automation.Action)
-
 CONFIG_SCHEMA = (
     cv.Schema(
         {
@@ -118,30 +112,14 @@ HDC302X_HEATER_ON_ACTION_SCHEMA = maybe_simple_id(
 )
 
 
-@automation.register_action(
+automation.register_apply_action(
     "hdc302x.heater_on",
-    HeaterOnAction,
     HDC302X_HEATER_ON_ACTION_SCHEMA,
-    synchronous=True,
+    automation.ApplyCall(
+        "start_heater({}, {})", ((CONF_POWER, cg.uint16), (CONF_DURATION, cg.uint32))
+    ),
 )
-async def hdc302x_heater_on_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
-    var = cg.new_Pvariable(action_id, template_arg)
-    await cg.register_parented(var, config[CONF_ID])
-    template_ = await cg.templatable(config[CONF_POWER], args, cg.uint16)
-    cg.add(var.set_power(template_))
-    template_ = await cg.templatable(config[CONF_DURATION], args, cg.uint32)
-    cg.add(var.set_duration(template_))
-    return var
 
-
-automation.register_parented_action(
-    "hdc302x.heater_off",
-    HeaterOffAction,
-    HDC302X_ACTION_SCHEMA,
-    synchronous=True,
+automation.register_apply_action(
+    "hdc302x.heater_off", HDC302X_ACTION_SCHEMA, automation.ApplyCall("stop_heater()")
 )
diff --git a/tests/components/hdc302x/common-actions.yaml b/tests/components/hdc302x/common-actions.yaml
new file mode 100644
index 0000000000..9bc3c13312
--- /dev/null
+++ b/tests/components/hdc302x/common-actions.yaml
@@ -0,0 +1,12 @@
+button:
+  - platform: template
+    name: HDC302x Actions
+    on_press:
+      - hdc302x.heater_on:
+          id: hdc302x_sensor
+          power: 0x03FF
+          duration: !lambda return 2000;
+      - hdc302x.heater_on:
+          id: hdc302x_sensor
+          power: !lambda return 0x3FFF;
+      - hdc302x.heater_off: hdc302x_sensor
diff --git a/tests/components/hdc302x/test-actions.esp8266-ard.yaml b/tests/components/hdc302x/test-actions.esp8266-ard.yaml
new file mode 100644
index 0000000000..01bf8fac7d
--- /dev/null
+++ b/tests/components/hdc302x/test-actions.esp8266-ard.yaml
@@ -0,0 +1,4 @@
+packages:
+  i2c: !include ../../test_build_components/common/i2c/esp8266-ard.yaml
+  hdc302x: !include common.yaml
+  actions: !include common-actions.yaml