T14a Tables core: DataTable, Table, HeatmapTable, cells, Sparkline (review pending: codex 401)

src/tables/tests.rs

@@ -0,0 +1,69 @@
+use std::{cell::RefCell, rc::Rc};
+
+use gpui::{
+    Context, IntoElement, Modifiers, Render, SharedString, Styled, TestAppContext,
+    VisualTestContext, Window, point, px,
+};
+
+use super::{Column, DataTable, Row};
+use crate::theme::Theme;
+
+/// Five selectable rows, 36 tall under a 36 tall header; it keeps what the table reports.
+struct Picks(Rc<RefCell<Vec<SharedString>>>);
+
+impl Render for Picks {
+    fn render(&mut self, _: &mut Window, _: &mut Context<Self>) -> impl IntoElement {
+        let (now, store) = (self.0.borrow().clone(), self.0.clone());
+        DataTable::new("picks", [Column::new("name", "Name")])
+            .rows(
+                (0..5)
+                    .map(|ix| Row::new(format!("r{ix}"), [format!("Row {ix}").into()]))
+                    .collect::<Vec<_>>(),
+            )
+            .selected(now)
+            .on_select(move |keys, _, _| *store.borrow_mut() = keys.to_vec())
+            .w(px(400.0))
+    }
+}
+
+fn settle(cx: &mut VisualTestContext) {
+    cx.run_until_parked();
+    cx.update(|window, _| window.refresh());
+    cx.run_until_parked();
+}
+
+fn picks(seen: &Rc<RefCell<Vec<SharedString>>>) -> Vec<String> {
+    seen.borrow().iter().map(|key| key.to_string()).collect()
+}
+
+#[gpui::test]
+fn boxes_toggle_shift_takes_a_range_and_the_header_takes_all(cx: &mut TestAppContext) {
+    cx.update(Theme::init);
+    let seen = Rc::new(RefCell::new(Vec::new()));
+    let store = seen.clone();
+    let (_, cx) = cx.add_window_view(|_, _| Picks(store));
+    settle(cx);
+    let row = |ix: usize, x: f32| point(px(x), px(54.0 + 36.0 * ix as f32));
+    cx.simulate_click(row(0, 14.0), Modifiers::none());
+    settle(cx);
+    assert_eq!(picks(&seen), ["r0"]);
+    cx.simulate_click(
+        row(3, 200.0),
+        Modifiers {
+            shift: true,
+            ..Modifiers::none()
+        },
+    );
+    settle(cx);
+    assert_eq!(picks(&seen), ["r0", "r1", "r2", "r3"]);
+    cx.simulate_click(point(px(14.0), px(18.0)), Modifiers::none());
+    settle(cx);
+    assert_eq!(
+        picks(&seen),
+        ["r0", "r1", "r2", "r3", "r4"],
+        "a mixed header box takes all"
+    );
+    cx.simulate_click(point(px(14.0), px(18.0)), Modifiers::none());
+    settle(cx);
+    assert!(picks(&seen).is_empty(), "a full one clears");
+}