tests: add frontend tests

frontend/spa/tests/setup.js

@@ -0,0 +1,43 @@
+import { expect, afterEach } from 'vitest';
+import { cleanup } from '@testing-library/vue';
+import '@testing-library/jest-dom/vitest';
+
+// Очистка после каждого теста
+afterEach(() => {
+  cleanup();
+});
+
+// Моки для Telegram WebApp API
+global.Telegram = {
+  WebApp: {
+    initData: 'test_init_data',
+    DeviceStorage: {
+      getItem: (key, callback) => {
+        const value = localStorage.getItem(key);
+        callback(null, value);
+      },
+      setItem: (key, value) => {
+        localStorage.setItem(key, value);
+      },
+      deleteItem: (key) => {
+        localStorage.removeItem(key);
+      },
+    },
+  },
+};
+
+// Моки для window
+Object.defineProperty(window, 'matchMedia', {
+  writable: true,
+  value: (query) => ({
+    matches: false,
+    media: query,
+    onchange: null,
+    addListener: () => {},
+    removeListener: () => {},
+    addEventListener: () => {},
+    removeEventListener: () => {},
+    dispatchEvent: () => {},
+  }),
+});
+