[improv_ble] Rename from esp32_improv and decouple from ESP32 (#19264)

tests/component_tests/esp32_ble_server/config/improv_only.yaml

@@ -9,5 +9,5 @@ wifi:
   password: password1
 
 # esp32_ble_server is only auto-loaded here, so it has no services of its own.
-esp32_improv:
+improv_ble:
   authorizer: none

tests/component_tests/esp32_ble_server/test_esp32_ble_server.py

@@ -55,7 +55,7 @@ def test_uuid_is_matches_descriptor_short_strings(uuid16) -> None:
 @pytest.mark.parametrize(
     ("config_file", "required"),
     [
-        # Auto-loaded by esp32_improv only: nothing to find until Improv asks for it
+        # Auto-loaded by improv_ble only: nothing to find until Improv asks for it
         ("improv_only.yaml", False),
         # The configuration defines a service clients are meant to connect to
         ("own_service.yaml", True),

tests/component_tests/improv_ble/config/automations.yaml

@@ -0,0 +1,31 @@
+esphome:
+  name: improv-ble-automations
+esp32:
+  variant: esp32
+  framework:
+    type: esp-idf
+logger:
+wifi:
+  ssid: MySSID
+  password: password1
+binary_sensor:
+  - platform: gpio
+    pin: 0
+    id: io0_button
+output:
+  - platform: gpio
+    pin: 2
+    id: built_in_led
+improv_ble:
+  authorizer: io0_button
+  status_indicator: built_in_led
+  on_provisioned:
+    - logger.log: provisioned
+  on_provisioning:
+    - logger.log: provisioning
+  on_start:
+    - logger.log: start
+  on_state:
+    - logger.log: state
+  on_stop:
+    - logger.log: stop

tests/component_tests/improv_ble/config/esp32.yaml

@@ -0,0 +1,12 @@
+esphome:
+  name: improv-ble-esp32
+esp32:
+  variant: esp32
+  framework:
+    type: esp-idf
+logger:
+wifi:
+  ssid: MySSID
+  password: password1
+improv_ble:
+  authorizer: none

tests/component_tests/improv_ble/config/esp8266.yaml

@@ -0,0 +1,10 @@
+esphome:
+  name: improv-ble-esp8266
+esp8266:
+  board: nodemcuv2
+logger:
+wifi:
+  ssid: MySSID
+  password: password1
+improv_ble:
+  authorizer: none

tests/component_tests/improv_ble/config/legacy_key.yaml

@@ -0,0 +1,12 @@
+esphome:
+  name: improv-ble-legacy-key
+esp32:
+  variant: esp32
+  framework:
+    type: esp-idf
+logger:
+wifi:
+  ssid: MySSID
+  password: password1
+esp32_improv:
+  authorizer: none

tests/component_tests/improv_ble/test_improv_ble.py

@@ -0,0 +1,59 @@
+"""improv_ble is platform neutral; only its BLE server backends are not.
+
+Covers the platform gate (BLE_SERVER_BACKENDS) and the esp32_improv alias that
+keeps pre-rename configurations working.
+"""
+
+from collections.abc import Callable
+from pathlib import Path
+
+import pytest
+
+from esphome.config import read_config
+from esphome.core import CORE
+
+
+def test_esp32_generates_component(
+    generate_main: Callable[[str | Path], str],
+    component_config_path: Callable[[str], Path],
+) -> None:
+    main_cpp = generate_main(component_config_path("esp32.yaml"))
+    assert "improv_ble::ImprovBLEComponent" in main_cpp
+
+
+def test_legacy_key_routes_to_improv_ble(
+    generate_main: Callable[[str | Path], str],
+    component_config_path: Callable[[str], Path],
+    caplog: pytest.LogCaptureFixture,
+) -> None:
+    main_cpp = generate_main(component_config_path("legacy_key.yaml"))
+    assert "improv_ble::ImprovBLEComponent" in main_cpp
+    assert "'esp32_improv:' top-level key is deprecated" in caplog.text
+
+
+def test_platform_without_ble_server_rejected(
+    component_config_path: Callable[[str], Path],
+    capsys: pytest.CaptureFixture[str],
+) -> None:
+    # AUTO_LOAD finds no backend for esp8266 and pulls in improv_base only, so
+    # the platform gate in CONFIG_SCHEMA is what has to reject the config.
+    CORE.config_path = component_config_path("esp8266.yaml")
+    assert read_config({}) is None
+    assert "only available on" in capsys.readouterr().out
+
+
+def test_automations_emit_renamed_triggers(
+    generate_main: Callable[[str | Path], str],
+    component_config_path: Callable[[str], Path],
+) -> None:
+    main_cpp = generate_main(component_config_path("automations.yaml"))
+    for trigger in (
+        "ImprovBLEProvisionedTrigger",
+        "ImprovBLEProvisioningTrigger",
+        "ImprovBLEStartTrigger",
+        "ImprovBLEStateTrigger",
+        "ImprovBLEStoppedTrigger",
+    ):
+        assert f"improv_ble::{trigger}" in main_cpp
+    assert "set_authorizer" in main_cpp
+    assert "set_status_indicator" in main_cpp