Refactor ProxyWarden routing and settings flow

src/app/lib/parseProxy.test.ts

@@ -0,0 +1,43 @@
+import { describe, expect, it } from 'vitest';
+import { parseProxy } from './parseProxy';
+
+describe('parseProxy', () => {
+  it('parses host and port without explicit protocol', () => {
+    expect(parseProxy('proxy.example.test:1080')).toEqual({
+      protocol: 'socks5',
+      host: 'proxy.example.test',
+      port: 1080,
+    });
+  });
+
+  it('parses socks5 URLs', () => {
+    expect(parseProxy('socks5://127.0.0.1:1080')).toEqual({
+      protocol: 'socks5',
+      host: '127.0.0.1',
+      port: 1080,
+    });
+  });
+
+  it('parses bracketed IPv6 hosts', () => {
+    expect(parseProxy('socks5://[::1]:1080')).toEqual({
+      protocol: 'socks5',
+      host: '::1',
+      port: 1080,
+    });
+  });
+
+  it('rejects unsupported schemes', () => {
+    expect(() => parseProxy('http://proxy.example.test:8080')).toThrow('SOCKS5');
+  });
+
+  it('rejects missing or invalid ports', () => {
+    expect(() => parseProxy('proxy.example.test')).toThrow('хост и порт');
+    expect(() => parseProxy('proxy.example.test:70000')).toThrow('Формат');
+  });
+
+  it('rejects userinfo credentials', () => {
+    expect(() => parseProxy('socks5://user:password@proxy.example.test:1080')).toThrow(
+      'логином и паролем',
+    );
+  });
+});