test: preserveStrings utility function

Author: omermecitoglu

src/utils/string-preservation.test.ts

@@ -0,0 +1,39 @@
+import { beforeEach, describe, expect, it, jest } from "@jest/globals";
+import generateRandomString from "./generateRandomString";
+import { preserveStrings, restoreStrings } from "./string-preservation";
+
+jest.mock("./generateRandomString");
+
+describe("preserveStrings", () => {
+  beforeEach(() => {
+    jest.resetAllMocks();
+  });
+
+  it("should replace string values with placeholders and return the mapping of replacements", () => {
+    (generateRandomString as jest.Mock).mockReturnValueOnce("RANDOM_GENERATED_STRING");
+
+    const code = `
+      console.log({
+        description: "Initiates the process for resetting a user's password by sending a reset link to their registered email",
+      });
+    `;
+
+    const output = preserveStrings(code);
+    expect(output).toStrictEqual({
+      output: `
+      console.log({
+        description: <@~RANDOM_GENERATED_STRING~@>,
+      });
+    `,
+      replacements: {
+        RANDOM_GENERATED_STRING: '"Initiates the process for resetting a user\'s password by sending a reset link to their registered email"',
+      },
+    });
+  });
+});
+
+describe("restoreStrings", () => {
+  it("should ...", () => {
+    expect(typeof restoreStrings).toBe("function");
+  });
+});