import { describe, it, expect } from "vitest";
import { validateEmail, validateNotEmpty, validateMinLength } from "../src/utils/validation.js";

describe("Validation utils", () => {
  it("validates email format", () => {
    expect(validateEmail("test@example.com")).toBe(true);
    expect(validateEmail("invalid")).toBe(false);
    expect(validateEmail("")).toBe(false);
  });

  it("checks non-empty strings", () => {
    expect(validateNotEmpty("hello")).toBe(true);
    expect(validateNotEmpty("   ")).toBe(false);
    expect(validateNotEmpty("")).toBe(false);
  });

  it("checks minimum length", () => {
    expect(validateMinLength("hello", 3)).toBe(true);
    expect(validateMinLength("hi", 3)).toBe(false);
  });
});