Add diagnostics to Enphase Envoy (#79950)

* Streamline Enphase Envoy config flow tests

* Don't test data results using constants

* Add diagnostics to Enphase Envoy

* Use whole config entry

* Redact serial number

* One call

homeassistant/components/enphase_envoy/diagnostics.py

@@ -0,0 +1,38 @@
+"""Diagnostics support for Enphase Envoy."""
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_NAME, CONF_PASSWORD, CONF_UNIQUE_ID, CONF_USERNAME
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
+
+from .const import COORDINATOR, DOMAIN
+
+CONF_TITLE = "title"
+
+TO_REDACT = {
+    CONF_NAME,
+    CONF_PASSWORD,
+    # Config entry title and unique ID may contain sensitive data:
+    CONF_TITLE,
+    CONF_UNIQUE_ID,
+    CONF_USERNAME,
+}
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: ConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    coordinator: DataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id][COORDINATOR]
+
+    return async_redact_data(
+        {
+            "entry": entry.as_dict(),
+            "data": coordinator.data,
+        },
+        TO_REDACT,
+    )

tests/components/enphase_envoy/test_diagnostics.py

@@ -0,0 +1,56 @@
+"""Test Enphase Envoy diagnostics."""
+from homeassistant.components.diagnostics import REDACTED
+
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+
+
+async def test_entry_diagnostics(hass, config_entry, hass_client, setup_enphase_envoy):
+    """Test config entry diagnostics."""
+    assert await get_diagnostics_for_config_entry(hass, hass_client, config_entry) == {
+        "entry": {
+            "entry_id": config_entry.entry_id,
+            "version": 1,
+            "domain": "enphase_envoy",
+            "title": REDACTED,
+            "data": {
+                "host": "1.1.1.1",
+                "name": REDACTED,
+                "username": REDACTED,
+                "password": REDACTED,
+            },
+            "options": {},
+            "pref_disable_new_entities": False,
+            "pref_disable_polling": False,
+            "source": "user",
+            "unique_id": REDACTED,
+            "disabled_by": None,
+        },
+        "data": {
+            "production": 1840,
+            "daily_production": 28223,
+            "seven_days_production": 174482,
+            "lifetime_production": 5924391,
+            "consumption": 1840,
+            "daily_consumption": 5923857,
+            "seven_days_consumption": 5923857,
+            "lifetime_consumption": 5923857,
+            "inverters_production": {
+                "202140024014": [136, "2022-10-08 16:43:36"],
+                "202140023294": [163, "2022-10-08 16:43:41"],
+                "202140013819": [130, "2022-10-08 16:43:31"],
+                "202140023794": [139, "2022-10-08 16:43:38"],
+                "202140023381": [130, "2022-10-08 16:43:47"],
+                "202140024176": [54, "2022-10-08 16:43:59"],
+                "202140003284": [132, "2022-10-08 16:43:55"],
+                "202140019854": [129, "2022-10-08 16:43:58"],
+                "202140020743": [131, "2022-10-08 16:43:49"],
+                "202140023531": [28, "2022-10-08 16:43:53"],
+                "202140024241": [164, "2022-10-08 16:43:33"],
+                "202140022963": [164, "2022-10-08 16:43:41"],
+                "202140023149": [118, "2022-10-08 16:43:47"],
+                "202140024828": [129, "2022-10-08 16:43:36"],
+                "202140023269": [133, "2022-10-08 16:43:43"],
+                "202140024157": [112, "2022-10-08 16:43:52"],
+            },
+        },
+    }