tests

Author: willmcgugan

src/textual/css/parse.py

@@ -45,7 +45,7 @@
 
 @lru_cache(maxsize=128)
 def is_id_selector(selector: str) -> bool:
-    """Is the selector an single ID selector, i.e. "#foo"?
+    """Is the selector a single ID selector, i.e. "#foo"?
 
     Args:
         selector: A CSS selector.

tests/css/test_parse.py

@@ -1289,8 +1289,10 @@ def test_parse_bad_pseudo_selector_with_suggestion():
         ("#foo .bar", False),
         ("#foo>.bar", False),
         ("#foo.bar", False),
+        (".foo #foo", False),
+        ("#foo #bar", False),
     ],
 )
-def test_is_id_selector(selector: str, expected: bool):
-    """Test is_id_selector is working as expected"""
+def test_is_id_selector(selector: str, expected: bool) -> None:
+    """Test is_id_selector is working as expected."""
     assert is_id_selector(selector) is expected