Add diagnostics file export to generic camera (#71492)

tests/components/generic/test_diagnostics.py

@@ -0,0 +1,24 @@
+"""Test generic (IP camera) diagnostics."""
+from homeassistant.components.diagnostics import REDACTED
+
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+
+
+async def test_entry_diagnostics(hass, hass_client, setup_entry):
+    """Test config entry diagnostics."""
+
+    assert await get_diagnostics_for_config_entry(hass, hass_client, setup_entry) == {
+        "title": "Test Camera",
+        "data": {},
+        "options": {
+            "still_image_url": "http://****:****@example.com/****?****=****",
+            "stream_source": "http://****:****@example.com/****",
+            "username": REDACTED,
+            "password": REDACTED,
+            "limit_refetch_to_url_change": False,
+            "authentication": "basic",
+            "framerate": 2.0,
+            "verify_ssl": True,
+            "content_type": "image/jpeg",
+        },
+    }