[wifi] Tighten the LN882x roaming comment and test

[wifi] Skip the post-connect roam scan on LN882x by default
2026-10-14 10:12:52 +00:00 · 2026-10-04 20:00:56 -05:00 · 2026-10-04 19:59:46 -05:00
3 changed files with 33 additions and 1 deletions
@@ -542,7 +542,16 @@ CONFIG_SCHEMA = cv.All(
            ),
            cv.Optional(CONF_PASSIVE_SCAN, default=False): cv.boolean,
            cv.Optional(CONF_ENABLE_ON_BOOT, default=True): cv.boolean,
-            cv.Optional(CONF_POST_CONNECT_ROAMING, default=True): cv.boolean,
+            # An LN882H scan drops the association, so roaming costs a disconnect there.
+            cv.SplitDefault(
+                CONF_POST_CONNECT_ROAMING,
+                esp8266=True,
+                esp32=True,
+                rp2=True,
+                bk72xx=True,
+                rtl87xx=True,
+                ln882x=False,
+            ): cv.boolean,
            cv.Optional(CONF_ON_CONNECT): automation.validate_automation(single=True),
            cv.Optional(CONF_ON_DISCONNECT): automation.validate_automation(
                single=True
@@ -0,0 +1,12 @@
+---
+esphome:
+  name: test
+
+ln882x:
+  board: generic-ln882h
+
+wifi:
+  ssid: test
+  password: testtest
+  ap:
+    ssid: fallback
@@ -23,6 +23,7 @@ def test_default_values_are_not_emitted(
    assert "set_reboot_timeout(" not in main_cpp
    assert "set_power_save_mode(" not in main_cpp
    assert "set_min_auth_mode(" not in main_cpp
+    assert "set_post_connect_roaming(" not in main_cpp


 def test_custom_values_are_emitted(
@@ -37,3 +38,13 @@ def test_custom_values_are_emitted(
    assert "set_reboot_timeout(0);" in main_cpp
    assert "set_power_save_mode(wifi::WIFI_POWER_SAVE_LIGHT);" in main_cpp
    assert "set_min_auth_mode(wifi::WIFI_MIN_AUTH_MODE_WPA);" in main_cpp
+
+
+def test_ln882x_skips_post_connect_roaming(
+    generate_main: Callable[[str | Path], str],
+    component_config_path: Callable[[str], Path],
+) -> None:
+    """LN882x defaults post_connect_roaming off."""
+    main_cpp = generate_main(component_config_path("bare_ln882x.yaml"))
+
+    assert "set_post_connect_roaming(false);" in main_cpp
Author	SHA1	Message	Date
J. Nick Koston	eb1d73fea3	[wifi] Tighten the LN882x roaming comment and test	2026-10-04 20:00:56 -05:00
J. Nick Koston	3314e1953a	[wifi] Skip the post-connect roam scan on LN882x by default	2026-10-04 19:59:46 -05:00