Merge main: keep both ru and uk in the language list

2026-08-31 13:08:46 -07:00
parent 5737362621 1eb31450a4
commit a2a339ce32
3 changed files with 905 additions and 0 deletions
@@ -0,0 +1,37 @@
+import { describe, expect, it, afterEach } from "vitest";
+import { plural, setCatalog } from "@/lib/i18n";
+import { catalog as ru } from "@/locales/ru";
+
+/**
+ * Russian is the first shipped catalogue that needs `few` and `many`, so this
+ * checks the real entries rather than a fixture. English would have rendered
+ * "5 письмо" for all of these, which is the kind of wrong that makes a
+ * translation read as machine output however good the vocabulary is.
+ */
+const FORMS = { one: "{n} message", other: "{n} messages" };
+afterEach(() => setCatalog("en", { strings: {}, plurals: {} }));
+
+describe("Russian plurals", () => {
+  it("picks one, few and many by the language's own rule", () => {
+    setCatalog("ru", ru);
+    expect(plural(1, FORMS)).toBe("1 письмо");     // one
+    expect(plural(2, FORMS)).toBe("2 письма");     // few
+    expect(plural(3, FORMS)).toBe("3 письма");
+    expect(plural(5, FORMS)).toBe("5 писем");      // many
+    expect(plural(11, FORMS)).toBe("11 писем");    // 11-14 are many, not few
+    expect(plural(21, FORMS)).toBe("21 письмо");   // 21 is one again
+    expect(plural(22, FORMS)).toBe("22 письма");
+    expect(plural(25, FORMS)).toBe("25 писем");
+    expect(plural(0, FORMS)).toBe("0 писем");
+  });
+
+  it("carries every form for each counted string it ships", () => {
+    // A catalogue missing `few` silently falls back to `other`, which is
+    // grammatical often enough to go unnoticed and wrong the rest of the time.
+    for (const [key, forms] of Object.entries(ru.plurals)) {
+      for (const cat of ["one", "few", "many", "other"] as const) {
+        expect(forms[cat], `${key} is missing "${cat}"`).toBeTruthy();
+      }
+    }
+  });
+});