06_js-debug/projects/debugging-multi-step-form-template/tests/validation/utility.test.js

@@ -0,0 +1,58 @@
+import { describe, it, expect } from 'vitest';
+import {
+  isEmpty,
+  isValidEmail,
+  hasMinLength,
+  hasTwoWords,
+} from '../../src/utils/validation';
+
+describe('Utility Functions', () => {
+  describe('isEmpty', () => {
+    it('should return true for empty strings', () => {
+      expect(isEmpty('')).toBe(true);
+      expect(isEmpty('   ')).toBe(true);
+    });
+
+    it('should return false for non-empty strings', () => {
+      expect(isEmpty('John')).toBe(false);
+      expect(isEmpty(' John Doe ')).toBe(false);
+    });
+  });
+
+  describe('isValidEmail', () => {
+    it('should validate correct email formats', () => {
+      expect(isValidEmail('john@example.com')).toBe(true);
+      expect(isValidEmail('jane.doe@sub.domain.co')).toBe(true);
+    });
+
+    it('should invalidate incorrect email formats', () => {
+      expect(isValidEmail('johnexample.com')).toBe(false);
+      expect(isValidEmail('jane@.com')).toBe(false);
+      expect(isValidEmail('jane@com')).toBe(false);
+    });
+  });
+
+  describe('hasMinLength', () => {
+    it('should return true if value meets minimum length', () => {
+      expect(hasMinLength('password', 6)).toBe(true);
+      expect(hasMinLength('123456', 6)).toBe(true);
+    });
+
+    it('should return false if value does not meet minimum length', () => {
+      expect(hasMinLength('pass', 6)).toBe(false);
+      expect(hasMinLength('123', 6)).toBe(false);
+    });
+  });
+
+  describe('hasTwoWords', () => {
+    it('should return true if fullName has at least two words', () => {
+      expect(hasTwoWords('John Doe')).toBe(true);
+      expect(hasTwoWords('Jane Mary Doe')).toBe(true);
+    });
+
+    it('should return false if fullName has less than two words', () => {
+      expect(hasTwoWords('John')).toBe(false);
+      expect(hasTwoWords('   Jane   ')).toBe(false);
+    });
+  });
+});