// tests/unit/lib/utils/FEATURE.test.ts import { describe, it, expect } from "vitest"; import { functionToTest } from "~/lib/utils/FEATURE"; describe("functionToTest", () => { it("handles valid input correctly", () => { const result = functionToTest("valid input"); expect(result).toBe("expected output"); }); it("handles edge cases", () => { expect(functionToTest("")).toBe(""); expect(functionToTest(null)).toBeNull(); }); it("throws error for invalid input", () => { expect(() => functionToTest("invalid")).toThrow("Error message"); }); });