✨ Test code for Textualize/textual#2007

vertical_remove.py

@@ -0,0 +1,39 @@
+"""https://github.com/Textualize/textual/issues/2007"""
+
+from textual.app        import App, ComposeResult
+from textual.containers import Vertical
+from textual.widgets    import Header, Footer, Label
+
+class VerticalRemoveApp( App[ None ] ):
+
+    CSS = """
+    Vertical {
+        border: round green;
+        height: auto;
+    }
+
+    Label {
+        border: round yellow;
+        background: red;
+        color: yellow;
+    }
+    """
+    BINDINGS = [
+        ( "a", "add", "Add" ),
+        ( "d", "del", "Delete" ),
+    ]
+
+    def compose( self ) -> ComposeResult:
+        yield Header()
+        yield Vertical()
+        yield Footer()
+
+    def action_add( self ) -> None:
+        self.query_one( Vertical ).mount( Label( "This is a test label" ) )
+
+    def action_del( self ) -> None:
+        if self.query_one( Vertical ).children:
+            self.query_one( Vertical ).children[ -1 ].remove()
+
+if __name__ == "__main__":
+    VerticalRemoveApp().run()