Kit · K04: compat/kit runs Ely beside the newest GPUI Kit in one window; check.sh holds it to Kit's newest release

compat/kit/src/focus.rs

@@ -0,0 +1,53 @@
+use gpui_kit::{Focusable, TestAppContext};
+
+use crate::desk::{CODE, focused, open};
+
+fn tab_runs_through_both(cx: &mut TestAppContext, ely_last: bool) {
+    let (desk, mut cx) = open(cx, ely_last);
+    let (open_button, line, code) = cx.update(|_, cx| {
+        let desk = desk.read(cx);
+        (desk.open.clone(), desk.line.clone(), desk.code.clone())
+    });
+    cx.update(|window, cx| window.focus(&open_button, cx));
+    cx.simulate_keystrokes("tab");
+    let line_focus = cx.update(|_, cx| line.read(cx).focus_handle(cx));
+    assert!(
+        focused(&mut cx, &line_focus),
+        "Tab leaves Ely's button for Kit's field"
+    );
+    cx.simulate_keystrokes("tab");
+    let code_focus = cx.update(|_, cx| code.read(cx).focus_handle(cx));
+    assert!(
+        focused(&mut cx, &code_focus),
+        "Tab reaches Kit's code editor"
+    );
+    cx.simulate_keystrokes("tab");
+    assert!(
+        focused(&mut cx, &code_focus),
+        "Tab stays in the code editor"
+    );
+    let text = cx.update(|_, cx| code.read(cx).value().to_string());
+    assert!(
+        text.len() > CODE.len() && text.trim() == CODE,
+        "Tab indents: {text:?}"
+    );
+    cx.simulate_keystrokes("shift-tab");
+    let text = cx.update(|_, cx| code.read(cx).value().to_string());
+    assert_eq!(text, CODE, "Shift-Tab outdents");
+    cx.update(|window, cx| window.focus(&line_focus, cx));
+    cx.simulate_keystrokes("shift-tab");
+    assert!(
+        focused(&mut cx, &open_button),
+        "Shift-Tab returns to Ely's button"
+    );
+}
+
+#[gpui_kit::test]
+fn tab_runs_through_both_with_ely_started_last(cx: &mut TestAppContext) {
+    tab_runs_through_both(cx, true);
+}
+
+#[gpui_kit::test]
+fn tab_runs_through_both_with_kit_started_last(cx: &mut TestAppContext) {
+    tab_runs_through_both(cx, false);
+}