Integration testing harness

helix-term/src/application.rs

@@ -41,7 +41,7 @@ type Signals = futures_util::stream::Empty<()>;
 
 pub struct Application {
     compositor: Compositor,
-    editor: Editor,
+    pub editor: Editor,
 
     config: Arc<ArcSwap<Config>>,
 
@@ -193,7 +193,7 @@ impl Application {
             scroll: None,
         };
 
-        self.compositor.render(&mut cx);
+        // self.compositor.render(&mut cx);
     }
 
     pub async fn event_loop(&mut self) {

helix-term/tests/integration.rs

@@ -0,0 +1,24 @@
+use helix_term::{application::Application, args::Args, config::Config};
+use helix_view::current;
+
+use crossterm::event::{Event, KeyCode, KeyEvent, KeyModifiers};
+
+#[tokio::test]
+async fn it_works() {
+    let args = Args::default();
+    let config = Config::default();
+    let mut app = Application::new(args, config).unwrap();
+
+    let inputs = &['i', 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'];
+
+    for input in inputs {
+        // TODO: use input.parse::<KeyEvent>
+        app.handle_terminal_events(Ok(Event::Key(KeyEvent {
+            code: KeyCode::Char(*input),
+            modifiers: KeyModifiers::NONE,
+        })));
+    }
+
+    let (_, doc) = current!(app.editor);
+    assert_eq!(doc.text(), "hello world\n");
+}