Update statistics meta data on entity_id change (#52755)

tests/components/recorder/test_statistics.py

@@ -16,6 +16,7 @@ from homeassistant.const import TEMP_CELSIUS
 from homeassistant.setup import setup_component
 import homeassistant.util.dt as dt_util
 
+from tests.common import mock_registry
 from tests.components.recorder.common import wait_recording_done
 
 
@@ -93,6 +94,63 @@ def test_compile_hourly_statistics(hass_recorder):
     assert stats == {}
 
 
+def test_rename_entity(hass_recorder):
+    """Test statistics is migrated when entity_id is changed."""
+    hass = hass_recorder()
+    recorder = hass.data[DATA_INSTANCE]
+    setup_component(hass, "sensor", {})
+
+    entity_reg = mock_registry(hass)
+    reg_entry = entity_reg.async_get_or_create(
+        "sensor",
+        "test",
+        "unique_0000",
+        suggested_object_id="test1",
+    )
+    assert reg_entry.entity_id == "sensor.test1"
+
+    zero, four, states = record_states(hass)
+    hist = history.get_significant_states(hass, zero, four)
+    assert dict(states) == dict(hist)
+
+    for kwargs in ({}, {"statistic_ids": ["sensor.test1"]}):
+        stats = statistics_during_period(hass, zero, **kwargs)
+        assert stats == {}
+    stats = get_last_statistics(hass, 0, "sensor.test1")
+    assert stats == {}
+
+    recorder.do_adhoc_statistics(period="hourly", start=zero)
+    wait_recording_done(hass)
+    expected_1 = {
+        "statistic_id": "sensor.test1",
+        "start": process_timestamp_to_utc_isoformat(zero),
+        "mean": approx(14.915254237288135),
+        "min": approx(10.0),
+        "max": approx(20.0),
+        "last_reset": None,
+        "state": None,
+        "sum": None,
+    }
+    expected_stats1 = [
+        {**expected_1, "statistic_id": "sensor.test1"},
+    ]
+    expected_stats2 = [
+        {**expected_1, "statistic_id": "sensor.test2"},
+    ]
+    expected_stats99 = [
+        {**expected_1, "statistic_id": "sensor.test99"},
+    ]
+
+    stats = statistics_during_period(hass, zero)
+    assert stats == {"sensor.test1": expected_stats1, "sensor.test2": expected_stats2}
+
+    entity_reg.async_update_entity(reg_entry.entity_id, new_entity_id="sensor.test99")
+    hass.block_till_done()
+
+    stats = statistics_during_period(hass, zero)
+    assert stats == {"sensor.test99": expected_stats99, "sensor.test2": expected_stats2}
+
+
 def record_states(hass):
     """Record some test states.