Fix cover template: optimistic mode is ignored (#87925)

* Fix cover template: optimistic mode is ignored (#84334)

* Fix invalid check in is_closed (make test pass)

* Add test for non optimistic cover

* Update homeassistant/components/template/cover.py

Co-authored-by: Erik Montnemery <erik@montnemery.com>

* Update test_cover.py

* Fix format

* Fix tests

---------

Co-authored-by: Erik Montnemery <erik@montnemery.com>

homeassistant/components/template/cover.py

@@ -172,7 +172,7 @@ class CoverTemplate(TemplateEntity, CoverEntity):
             self._tilt_script = Script(hass, tilt_action, friendly_name, DOMAIN)
         optimistic = config.get(CONF_OPTIMISTIC)
         self._optimistic = optimistic or (
-            not self._template and not self._position_template
+            optimistic is None and not self._template and not self._position_template
         )
         tilt_optimistic = config.get(CONF_TILT_OPTIMISTIC)
         self._tilt_optimistic = tilt_optimistic or not self._tilt_template
@@ -270,8 +270,11 @@ class CoverTemplate(TemplateEntity, CoverEntity):
             self._tilt_value = state
 
     @property
-    def is_closed(self) -> bool:
+    def is_closed(self) -> bool | None:
         """Return if the cover is closed."""
+        if self._position is None:
+            return None
+
         return self._position == 0
 
     @property

tests/components/template/test_cover.py

@@ -21,6 +21,7 @@ from homeassistant.const import (
     STATE_OPEN,
     STATE_OPENING,
     STATE_UNAVAILABLE,
+    STATE_UNKNOWN,
 )
 from homeassistant.core import HomeAssistant
 
@@ -80,7 +81,7 @@ OPEN_CLOSE_COVER_CONFIG = {
                 (
                     "cover.test_state",
                     "cat",
-                    STATE_OPEN,
+                    STATE_UNKNOWN,
                     {},
                     -1,
                     "Received invalid cover is_on state: cat",
@@ -89,7 +90,7 @@ OPEN_CLOSE_COVER_CONFIG = {
                 (
                     "cover.test_state",
                     "bear",
-                    STATE_OPEN,
+                    STATE_UNKNOWN,
                     {},
                     -1,
                     "Received invalid cover is_on state: bear",
@@ -112,8 +113,8 @@ OPEN_CLOSE_COVER_CONFIG = {
                 }
             },
             [
-                ("cover.test_state", STATE_OPEN, STATE_OPEN, {}, -1, ""),
+                ("cover.test_state", STATE_OPEN, STATE_UNKNOWN, {}, -1, ""),
-                ("cover.test_state", STATE_CLOSED, STATE_OPEN, {}, -1, ""),
+                ("cover.test_state", STATE_CLOSED, STATE_UNKNOWN, {}, -1, ""),
                 ("cover.test_state", STATE_OPENING, STATE_OPENING, {}, -1, ""),
                 ("cover.test_state", STATE_CLOSING, STATE_CLOSING, {}, -1, ""),
                 ("cover.test", STATE_CLOSED, STATE_CLOSING, {"position": 0}, 0, ""),
@@ -136,7 +137,7 @@ async def test_template_state_text(
 ) -> None:
     """Test the state text of a template."""
     state = hass.states.get("cover.test_template_cover")
-    assert state.state == STATE_OPEN
+    assert state.state == STATE_UNKNOWN
 
     for entity, set_state, test_state, attr, pos, text in states:
         hass.states.async_set(entity, set_state, attributes=attr)
@@ -207,6 +208,29 @@ async def test_template_position(hass: HomeAssistant, start_ha) -> None:
         assert state.state == test_state
 
 
+@pytest.mark.parametrize(("count", "domain"), [(1, DOMAIN)])
+@pytest.mark.parametrize(
+    "config",
+    [
+        {
+            DOMAIN: {
+                "platform": "template",
+                "covers": {
+                    "test_template_cover": {
+                        **OPEN_CLOSE_COVER_CONFIG,
+                        "optimistic": False,
+                    }
+                },
+            }
+        },
+    ],
+)
+async def test_template_not_optimistic(hass, start_ha):
+    """Test the is_closed attribute."""
+    state = hass.states.get("cover.test_template_cover")
+    assert state.state == STATE_UNKNOWN
+
+
 @pytest.mark.parametrize(("count", "domain"), [(1, DOMAIN)])
 @pytest.mark.parametrize(
     "config",
@@ -428,7 +452,7 @@ async def test_set_position(hass: HomeAssistant, start_ha, calls) -> None:
     state = hass.states.async_set("input_number.test", 42)
     await hass.async_block_till_done()
     state = hass.states.get("cover.test_template_cover")
-    assert state.state == STATE_OPEN
+    assert state.state == STATE_UNKNOWN
 
     await hass.services.async_call(
         DOMAIN, SERVICE_OPEN_COVER, {ATTR_ENTITY_ID: ENTITY_COVER}, blocking=True