WIP improvise-6p8q: records yank/paste lockstep

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01VdfEGXA7aJ6ftMsCc9PJze
2026-09-22 21:23:32 -07:00
parent 8df9431199
commit 8aaddeea1d
1 changed files with 56 additions and 0 deletions
@@ -1233,6 +1233,62 @@ fn page_selections(app: &App) -> Vec<(String, Option<String>)> {
        .collect()
 }

+/// improvise-6p8q: the TUI yanked and pasted through the synthetic records key.
+/// See `context/test-evidence/command.md`.
+#[test]
+fn yy_then_p_in_records_mode_writes_the_record_the_host_writes() {
+    let r = KeyEvent::new(KeyCode::Char('R'), KeyModifiers::NONE);
+    let two_records = || {
+        let mut app = furnished_host();
+        let south = north_revenue().with("Region", "South");
+        app.model_state
+            .workbook
+            .model
+            .set_cell(south, improvise_protocol::CellValue::Number(900.0));
+        app.rebuild_layout();
+        reduce_key(&mut app, r);
+        app
+    };
+    let (mut app, mut twin) = (two_records(), two_records());
+    let revenue = (0..app.layout.col_count())
+        .find(|&c| app.layout.col_label(c) == "Revenue")
+        .expect("a Revenue column");
+    let south = 1;
+    assert_eq!(
+        app.layout.record_row(south).unwrap().coords.get("Region"),
+        Some("South")
+    );
+    for host in [&mut app, &mut twin] {
+        host.cursor_mut().selected = (0, revenue);
+    }
+    let mut client = records_client(&app);
+
+    both_ends(&mut app, &mut twin, &mut client, "y");
+    both_ends(&mut app, &mut twin, &mut client, "y");
+    assert_eq!(
+        (client.view.yanked.clone(), app.view_state.yanked.clone()),
+        (
+            Some(improvise_protocol::CellValue::Number(1200.0)),
+            Some(improvise_protocol::CellValue::Number(1200.0))
+        ),
+        "both ends yank North's stored Revenue"
+    );
+
+    for host in [&mut app, &mut twin] {
+        host.cursor_mut().selected = (south, revenue);
+    }
+    client.view.cursor_mut().selected = (south, revenue);
+    both_ends(&mut app, &mut twin, &mut client, "p");
+    assert_eq!(
+        app.model_state
+            .workbook
+            .model
+            .get_cell(&north_revenue().with("Region", "South")),
+        Some(&improvise_protocol::CellValue::Number(1200.0)),
+        "the paste must land on South's real record"
+    );
+}
+
 /// Both hosts driven into records mode the way a user gets there, so the
 /// `_Records` view and its `_Index`/`_Dim` axes are the real ones.
 fn records_pair() -> (App, App) {