Add version to templates (#78484)

tests/helpers/test_template.py

@@ -1566,6 +1566,45 @@ def test_timedelta(mock_is_safe, hass):
         assert result == "15 days"
 
 
+def test_version(hass):
+    """Test version filter and function."""
+    filter_result = template.Template(
+        "{{ '2099.9.9' | version}}",
+        hass,
+    ).async_render()
+    function_result = template.Template(
+        "{{ version('2099.9.9')}}",
+        hass,
+    ).async_render()
+    assert filter_result == function_result == "2099.9.9"
+
+    filter_result = template.Template(
+        "{{ '2099.9.9' | version < '2099.9.10' }}",
+        hass,
+    ).async_render()
+    function_result = template.Template(
+        "{{ version('2099.9.9') < '2099.9.10' }}",
+        hass,
+    ).async_render()
+    assert filter_result == function_result is True
+
+    filter_result = template.Template(
+        "{{ '2099.9.9' | version == '2099.9.9' }}",
+        hass,
+    ).async_render()
+    function_result = template.Template(
+        "{{ version('2099.9.9') == '2099.9.9' }}",
+        hass,
+    ).async_render()
+    assert filter_result == function_result is True
+
+    with pytest.raises(TemplateError):
+        template.Template(
+            "{{ version(None) < '2099.9.10' }}",
+            hass,
+        ).async_render()
+
+
 def test_regex_match(hass):
     """Test regex_match method."""
     tpl = template.Template(