Draft iced_test crate and test todos example

test/src/selector.rs

@@ -0,0 +1,24 @@
+use crate::core::text;
+use crate::core::widget;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum Selector {
+    Id(widget::Id),
+    Text(text::Fragment<'static>),
+}
+
+impl From<widget::Id> for Selector {
+    fn from(id: widget::Id) -> Self {
+        Self::Id(id)
+    }
+}
+
+impl From<&'static str> for Selector {
+    fn from(id: &'static str) -> Self {
+        Self::Id(widget::Id::new(id))
+    }
+}
+
+pub fn text(fragment: impl text::IntoFragment<'static>) -> Selector {
+    Selector::Text(fragment.into_fragment())
+}