Add config flow to statistics (#120496)

tests/components/statistics/test_sensor.py

@@ -19,10 +19,20 @@ from homeassistant.components.sensor import (
     SensorStateClass,
 )
 from homeassistant.components.statistics import DOMAIN as STATISTICS_DOMAIN
-from homeassistant.components.statistics.sensor import StatisticsSensor
+from homeassistant.components.statistics.sensor import (
+    CONF_KEEP_LAST_SAMPLE,
+    CONF_PERCENTILE,
+    CONF_PRECISION,
+    CONF_SAMPLES_MAX_BUFFER_SIZE,
+    CONF_STATE_CHARACTERISTIC,
+    STAT_MEAN,
+    StatisticsSensor,
+)
 from homeassistant.const import (
     ATTR_DEVICE_CLASS,
     ATTR_UNIT_OF_MEASUREMENT,
+    CONF_ENTITY_ID,
+    CONF_NAME,
     DEGREE,
     SERVICE_RELOAD,
     STATE_UNAVAILABLE,
@@ -35,7 +45,7 @@ from homeassistant.helpers import entity_registry as er
 from homeassistant.setup import async_setup_component
 from homeassistant.util import dt as dt_util
 
-from tests.common import async_fire_time_changed, get_fixture_path
+from tests.common import MockConfigEntry, async_fire_time_changed, get_fixture_path
 from tests.components.recorder.common import async_wait_recording_done
 
 VALUES_BINARY = ["on", "off", "on", "off", "on", "off", "on", "off", "on"]
@@ -171,6 +181,35 @@ async def test_sensor_defaults_numeric(hass: HomeAssistant) -> None:
     assert new_state.attributes.get("source_value_valid") is False
 
 
+@pytest.mark.parametrize(
+    "get_config",
+    [
+        {
+            CONF_NAME: "test",
+            CONF_ENTITY_ID: "sensor.test_monitored",
+            CONF_STATE_CHARACTERISTIC: STAT_MEAN,
+            CONF_SAMPLES_MAX_BUFFER_SIZE: 20.0,
+            CONF_KEEP_LAST_SAMPLE: False,
+            CONF_PERCENTILE: 50.0,
+            CONF_PRECISION: 2.0,
+        }
+    ],
+)
+async def test_sensor_loaded_from_config_entry(
+    hass: HomeAssistant, loaded_entry: MockConfigEntry
+) -> None:
+    """Test the sensor loaded from a config entry."""
+
+    state = hass.states.get("sensor.test")
+    assert state is not None
+    assert state.state == str(round(sum(VALUES_NUMERIC) / len(VALUES_NUMERIC), 2))
+    assert state.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == UnitOfTemperature.CELSIUS
+    assert state.attributes.get(ATTR_STATE_CLASS) is SensorStateClass.MEASUREMENT
+    assert state.attributes.get("buffer_usage_ratio") == round(9 / 20, 2)
+    assert state.attributes.get("source_value_valid") is True
+    assert "age_coverage_ratio" not in state.attributes
+
+
 async def test_sensor_defaults_binary(hass: HomeAssistant) -> None:
     """Test the general behavior of the sensor, with binary source sensor."""
     assert await async_setup_component(