feat: Introduce fe modular build system

fe-app-podkop/src/validators/tests/validateIp.test.js

@@ -0,0 +1,38 @@
+import { describe, it, expect } from 'vitest';
+import { validateIPV4 } from '../validateIp';
+
+export const validIPs = [
+  ['Private LAN', '192.168.1.1'],
+  ['All zeros', '0.0.0.0'],
+  ['Broadcast', '255.255.255.255'],
+  ['Simple', '1.2.3.4'],
+  ['Loopback', '127.0.0.1'],
+];
+
+export const invalidIPs = [
+  ['Octet too large', '256.0.0.1'],
+  ['Too few octets', '192.168.1'],
+  ['Too many octets', '1.2.3.4.5'],
+  ['Leading zero (1st octet)', '01.2.3.4'],
+  ['Leading zero (2nd octet)', '1.02.3.4'],
+  ['Leading zero (3rd octet)', '1.2.003.4'],
+  ['Leading zero (4th octet)', '1.2.3.004'],
+  ['Four digits in octet', '1.2.3.0004'],
+  ['Trailing dot', '1.2.3.'],
+];
+
+describe('validateIPV4', () => {
+  describe.each(validIPs)('Valid IP: %s', (_desc, ip) => {
+    it(`returns {valid:true for "${ip}"`, () => {
+      const res = validateIPV4(ip);
+      expect(res.valid).toBe(true);
+    });
+  });
+
+  describe.each(invalidIPs)('Invalid IP: %s', (_desc, ip) => {
+    it(`returns {valid:false for "${ip}"`, () => {
+      const res = validateIPV4(ip);
+      expect(res.valid).toBe(false);
+    });
+  });
+});