Counts: tests read the real catalogs; the ElyTree summary is tested at 0, 1 and 2 (R2.11)

apps/ely-tree/src/view.rs

@@ -209,13 +209,7 @@ impl Tree {
                     .iter()
                     .filter(|entry| entry.state != State::Ignored)
                     .count();
-                let (icon, title) = match changed {
-                    0 => (IconName::CircleCheck, text(cx, "tree.clean", &[])),
-                    n => (
-                        IconName::GitBranch,
-                        ely_ui::i18n::counted(cx, "tree.changed", n as u64, &[("n", &n.to_string())]),
-                    ),
-                };
+                let (icon, title) = summary(changed, cx);
                 EmptyState::new(("tree-summary", opened.id), icon, title).into_any_element()
             }
         }
@@ -263,3 +257,25 @@ impl Render for Tree {
             .children(self.dialog(cx))
     }
 }
+
+/// The work tree's line: clean, or how many files changed.
+pub(crate) fn summary(changed: usize, cx: &App) -> (IconName, SharedString) {
+    match changed {
+        0 => (IconName::CircleCheck, text(cx, "tree.clean", &[])),
+        n => (IconName::GitBranch, ely_ui::i18n::counted(cx, "tree.changed", n as u64, &[("n", &n.to_string())])),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    #[gpui::test]
+    fn the_summary_counts_files_in_both_languages(cx: &mut gpui::TestAppContext) {
+        cx.update(|cx| {
+            ely_ui::i18n::install_as("en-US", cx);
+            let said = |n: usize, cx: &gpui::App| super::summary(n, cx).1.to_string();
+            assert_eq!([said(0, cx), said(1, cx), said(2, cx)], ["Nothing to commit", "1 file changed", "2 files changed"]);
+            ely_ui::i18n::install_as("zh-CN", cx);
+            assert_eq!([said(1, cx), said(2, cx)], ["1 个文件有改动", "2 个文件有改动"]);
+        });
+    }
+}