test(utils): add unit tests for stripNodePrefixt (#537)

Author: clemgbld

.changeset/chubby-peas-sit.md

@@ -0,0 +1,5 @@
+---
+"@nodesecure/js-x-ray": patch
+---
+
+Add unit tests for stripNodePrefix utility.

workspaces/js-x-ray/test/utils/stripNodePrefix.spec.ts

@@ -0,0 +1,39 @@
+// Import Node.js Dependencies
+import assert from "node:assert";
+import { describe, it } from "node:test";
+
+// Import Internal Dependencies
+import { stripNodePrefix } from "../../src/utils/index.ts";
+
+describe("stripNodePrefix", () => {
+  it("should remove 'node:' prefix from module name", () => {
+    assert.strictEqual(stripNodePrefix("node:fs"), "fs");
+    assert.strictEqual(stripNodePrefix("node:path"), "path");
+  });
+
+  it("should return the value unchanged if no prefix is present", () => {
+    assert.strictEqual(stripNodePrefix("fs"), "fs");
+    assert.strictEqual(stripNodePrefix("http"), "http");
+  });
+
+  it("should not modify similar but invalid prefixes", () => {
+    assert.strictEqual(stripNodePrefix("nod:fs"), "nod:fs");
+  });
+
+  it("should only remove prefix at the beginning", () => {
+    assert.strictEqual(stripNodePrefix("my-node:fs"), "my-node:fs");
+  });
+
+  it("should handle empty string", () => {
+    assert.strictEqual(stripNodePrefix(""), "");
+  });
+
+  it("should return non-string values unchanged", () => {
+    assert.strictEqual(stripNodePrefix(123), 123);
+    assert.strictEqual(stripNodePrefix(null), null);
+    assert.strictEqual(stripNodePrefix(undefined), undefined);
+
+    const obj = { key: "value" };
+    assert.strictEqual(stripNodePrefix(obj), obj);
+  });
+});