cleanup + update tests; add 'just test'

tui/src/lib.rs

@@ -17,8 +17,8 @@ mod tui_border; pub use self::tui_border::*;
 pub(crate) use std::sync::{Arc, RwLock, atomic::{AtomicBool, Ordering::*}};
 pub(crate) use std::io::{stdout, Stdout};
 
-pub use ::better_panic;
-pub(crate) use better_panic::{Settings, Verbosity};
+pub use ::better_panic; pub(crate) use better_panic::{Settings, Verbosity};
+pub use ::palette; pub(crate) use ::palette::{*, convert::*, okhsl::*};
 
 pub use ::crossterm;
 pub(crate) use crossterm::{
@@ -36,9 +36,25 @@ pub(crate) use ratatui::{
     buffer::Cell
 };
 
-pub use ::palette;
-pub(crate) use ::palette::{
-    *,
-    convert::*,
-    okhsl::*
-};
+
+#[cfg(test)] #[test] fn test_tui_engine () -> Usually<()> {
+    use crate::tui::*;
+    use std::sync::{Arc, RwLock};
+    struct TestComponent(String);
+    impl Content<Tui> for TestComponent {
+        fn content (&self) -> Option<impl Content<Tui>> {
+            Some(self.0.as_str())
+        }
+    }
+    impl Handle<Tui> for TestComponent {
+        fn handle (&mut self, from: &TuiIn) -> Perhaps<bool> {
+            Ok(None)
+        }
+    }
+    let engine = Tui::new()?;
+    engine.read().unwrap().exited.store(true, std::sync::atomic::Ordering::Relaxed);
+    let state = TestComponent("hello world".into());
+    let state = std::sync::Arc::new(std::sync::RwLock::new(state));
+    engine.run(&state)?;
+    Ok(())
+}