Ely Office: six offline-first desktop apps in Rust and GPUI

ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git),
ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.

apps/ely-table/src/tests/numbers.rs

@@ -0,0 +1,46 @@
+//! Sheet numbers hold only in the state they were read.
+
+use super::*;
+
+#[test]
+fn a_rename_asked_before_a_delete_renames_nothing() {
+    let dir = tempfile::tempdir().expect("a temp dir");
+    let mut cx = TestAppContext::single();
+    let Some((window, book)) = book(&mut cx, dir.path()) else {
+        eprintln!("SKIP: no LOK build");
+        return;
+    };
+    blank(&mut cx, &book);
+    for (name, at) in [("B", "2"), ("C", "3")] {
+        fresh(&cx, &book);
+        update(&mut cx, &book, |book, cx| book.run_active("sheet.insert", &[name, at], cx));
+    }
+    settle(&cx, |app| sheet_names(app, &book).len() == 3);
+    fresh(&cx, &book);
+    update(&mut cx, &book, |book, cx| book.show_sheet(1, cx));
+    cx.update_window(window.into(), |_, window, app| book.update(app, |book, cx| book.ask_rename(window, cx)))
+        .expect("the window lives");
+    // The first sheet goes while the dialog is open.
+    update(&mut cx, &book, |book, cx| book.run_active("sheet.delete", &["1"], cx));
+    settle(&cx, |app| sheet_names(app, &book) == ["B", "C"]);
+    fresh(&cx, &book);
+    update(&mut cx, &book, |book, cx| book.rename_asked("Renamed B", cx));
+    fresh(&cx, &book);
+    assert_eq!(cx.update(|app| sheet_names(app, &book)), ["B", "C"], "C keeps its name");
+}
+
+#[test]
+fn a_failed_command_still_moves_the_state_on() {
+    let dir = tempfile::tempdir().expect("a temp dir");
+    let mut cx = TestAppContext::single();
+    let Some((_window, book)) = book(&mut cx, dir.path()) else {
+        eprintln!("SKIP: no LOK build");
+        return;
+    };
+    blank(&mut cx, &book);
+    // No merged cell to split: the kernel refuses.
+    update(&mut cx, &book, |book, cx| book.run_active("cells.split", &[], cx));
+    fresh(&cx, &book);
+    update(&mut cx, &book, |book, cx| book.run_active("sheet.rename", &["Plan", "1"], cx));
+    settle(&cx, |app| sheet_names(app, &book) == ["Plan"]);
+}