From 20d357fb13567a3393a4f06707ddb302c97cfcaa Mon Sep 17 00:00:00 2001
From: Paul Bottein <paul.bottein@gmail.com>
Date: Fri, 11 Apr 2025 08:47:42 +0200
Subject: [PATCH] Add tests for get duplicates function (#24994)

---
 test/common/string/get_duplicate.test.ts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 test/common/string/get_duplicate.test.ts

diff --git a/test/common/string/get_duplicate.test.ts b/test/common/string/get_duplicate.test.ts
new file mode 100644
index 0000000000..821e5d8a74
--- /dev/null
+++ b/test/common/string/get_duplicate.test.ts
@@ -0,0 +1,16 @@
+import { expect, test } from "vitest";
+import { getDuplicates } from "../../../src/common/string/get_duplicates";
+
+test("getDuplicate", () => {
+  expect(getDuplicates([])).toStrictEqual(new Set());
+  expect(getDuplicates(["light", "vacuum", "switch"])).toStrictEqual(new Set());
+  expect(getDuplicates(["light", "light", "vacuum", "switch"])).toStrictEqual(
+    new Set(["light"])
+  );
+  expect(
+    getDuplicates(["vacuum", "light", "light", "vacuum", "switch"])
+  ).toStrictEqual(new Set(["light", "vacuum"]));
+  expect(getDuplicates(["light", "light", "light"])).toStrictEqual(
+    new Set(["light"])
+  );
+});