wip: test: fixing up the tests

- should bring back the rest of the mental model
- and allow me to prune it!

tui/src/tui_test.rs

@@ -0,0 +1,33 @@
+use crate::*;
+
+#[test] fn test_tui_engine () -> Usually<()> {
+    //use std::sync::{Arc, RwLock};
+    struct TestComponent(String);
+    impl Draw<TuiOut> for TestComponent {
+        fn draw (&self, _to: &mut TuiOut) {}
+    }
+    impl Handle<TuiIn> for TestComponent {
+        fn handle (&mut self, _from: &TuiIn) -> Perhaps<bool> {
+            Ok(None)
+        }
+    }
+    let engine = Tui::run(false, TestComponent("hello world".into()))?;
+    engine.read().unwrap().exited.store(true, std::sync::atomic::Ordering::Relaxed);
+    //engine.run(&state)?;
+    Ok(())
+}
+
+//#[test] fn test_parse_key () {
+    ////use KeyModifiers as Mods;
+    //let _test = |x: &str, y|assert_eq!(KeyMatcher::new(x).build(), Some(Event::Key(y)));
+    ////test(":x",
+        ////KeyEvent::new(KeyCode::Char('x'), Mods::NONE));
+    ////test(":ctrl-x",
+        ////KeyEvent::new(KeyCode::Char('x'), Mods::CONTROL));
+    ////test(":alt-x",
+        ////KeyEvent::new(KeyCode::Char('x'), Mods::ALT));
+    ////test(":shift-x",
+        ////KeyEvent::new(KeyCode::Char('x'), Mods::SHIFT));
+    ////test(":ctrl-alt-shift-x",
+        ////KeyEvent::new(KeyCode::Char('x'), Mods::CONTROL | Mods::ALT | Mods::SHIFT ));
+//}