Add diagnostics for fyta (#118234)

* Add diagnostics

* add test for diagnostics

* Redact access_token

* remove unnecessary redaction

tests/components/fyta/snapshots/test_diagnostics.ambr

@@ -0,0 +1,39 @@
+# serializer version: 1
+# name: test_entry_diagnostics
+  dict({
+    'config_entry': dict({
+      'data': dict({
+        'access_token': '**REDACTED**',
+        'expiration': '2030-12-31T10:00:00+00:00',
+        'password': '**REDACTED**',
+        'username': '**REDACTED**',
+      }),
+      'disabled_by': None,
+      'domain': 'fyta',
+      'entry_id': 'ce5f5431554d101905d31797e1232da8',
+      'minor_version': 2,
+      'options': dict({
+      }),
+      'pref_disable_new_entities': False,
+      'pref_disable_polling': False,
+      'source': 'user',
+      'title': 'fyta_user',
+      'unique_id': None,
+      'version': 1,
+    }),
+    'plant_data': dict({
+      '0': dict({
+        'name': 'Gummibaum',
+        'scientific_name': 'Ficus elastica',
+        'status': 1,
+        'sw_version': '1.0',
+      }),
+      '1': dict({
+        'name': 'Kakaobaum',
+        'scientific_name': 'Theobroma cacao',
+        'status': 2,
+        'sw_version': '1.0',
+      }),
+    }),
+  })
+# ---

tests/components/fyta/test_diagnostics.py

@@ -0,0 +1,31 @@
+"""Test Fyta diagnostics."""
+
+from unittest.mock import AsyncMock
+
+from syrupy import SnapshotAssertion
+
+from homeassistant.const import Platform
+from homeassistant.core import HomeAssistant
+
+from . import setup_platform
+
+from tests.common import MockConfigEntry
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+from tests.typing import ClientSessionGenerator
+
+
+async def test_entry_diagnostics(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    mock_config_entry: MockConfigEntry,
+    mock_fyta_connector: AsyncMock,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test config entry diagnostics."""
+    await setup_platform(hass, mock_config_entry, [Platform.SENSOR])
+
+    result = await get_diagnostics_for_config_entry(
+        hass, hass_client, mock_config_entry
+    )
+
+    assert result == snapshot