[remote_base] List the hob2hood, nexus and onkyori protocol defines in defines.h (#20577)

esphome/core/defines.h

@@ -169,6 +169,7 @@
 #define USE_REMOTE_PROTOCOL_DYSON
 #define USE_REMOTE_PROTOCOL_GOBOX
 #define USE_REMOTE_PROTOCOL_HAIER
+#define USE_REMOTE_PROTOCOL_HOB2HOOD
 #define USE_REMOTE_PROTOCOL_JVC
 #define USE_REMOTE_PROTOCOL_KEELOQ
 #define USE_REMOTE_PROTOCOL_LG
@@ -177,6 +178,8 @@
 #define USE_REMOTE_PROTOCOL_MIRAGE
 #define USE_REMOTE_PROTOCOL_NEC
 #define USE_REMOTE_PROTOCOL_NEXA
+#define USE_REMOTE_PROTOCOL_NEXUS
+#define USE_REMOTE_PROTOCOL_ONKYORI
 #define USE_REMOTE_PROTOCOL_PANASONIC
 #define USE_REMOTE_PROTOCOL_PIONEER
 #define USE_REMOTE_PROTOCOL_PRONTO

tests/unit_tests/components/remote_base/test_protocol_defines.py

@@ -0,0 +1,20 @@
+"""Every gated protocol source needs its define listed for static analysis."""
+
+from pathlib import Path
+
+from esphome.components.remote_base import _PROTOCOL_STEMS, protocol_define
+
+DEFINES_H = Path(__file__).parents[4] / "esphome" / "core" / "defines.h"
+
+
+def test_every_protocol_define_is_listed_in_defines_h() -> None:
+    """A protocol compiled only behind its define would drop out of clang-tidy without this line."""
+    defines = DEFINES_H.read_text(encoding="utf-8")
+    missing = [
+        stem
+        for stem in _PROTOCOL_STEMS
+        if f"#define {protocol_define(stem)}\n" not in defines
+    ]
+    assert not missing, (
+        f"Add #define {', '.join(protocol_define(s) for s in missing)} to {DEFINES_H.name}"
+    )