feat: добавил тесты с использованием Playwright

frontend/tests/e2e/auth.spec.ts

@@ -0,0 +1,9 @@
+import { test, expect } from '@playwright/test'
+import { mockApi } from './support/mockApi'
+
+test('redirects unauthenticated user to login', async ({ page }) => {
+  await mockApi(page, { authenticated: false })
+  await page.goto('/catalog')
+  await expect(page).toHaveURL(/\/login/)
+  await expect(page.getByText('Войти через ЮФУ')).toBeVisible()
+})

frontend/tests/e2e/catalog.spec.ts

@@ -0,0 +1,23 @@
+import { expect, test } from '@playwright/test'
+import { mockApi } from './support/mockApi'
+
+test.beforeEach(async ({ page }) => {
+  await mockApi(page, { authenticated: true })
+})
+
+test('renders catalog items from mock api', async ({ page }) => {
+  await page.goto('/catalog')
+
+  await expect(page.getByRole('heading', { name: 'Каталог открытых лекций' })).toBeVisible()
+  await expect(page.getByText('Введение в ML')).toBeVisible()
+  await expect(page.getByText('Квантовые вычисления')).toBeVisible()
+})
+
+test('register button works for available lecture', async ({ page }) => {
+  await page.goto('/catalog')
+
+  const firstRegisterButton = page.getByRole('button', { name: 'Записаться' }).first()
+  await firstRegisterButton.click()
+
+  await expect(page.getByText('Вы записаны на лекцию.')).toBeVisible()
+})

frontend/tests/e2e/support/mockApi.ts

@@ -0,0 +1,74 @@
+import { Page } from '@playwright/test'
+import { mockAuthResponse, mockCurrentUser, mockLectures, mockUserStats } from '../../mocks/fixtures'
+
+export async function mockApi(page: Page, options?: { authenticated?: boolean }) {
+  const authenticated = options?.authenticated ?? false
+
+  await page.route('**/api/v1/auth/refresh', async (route) => {
+    if (!authenticated) {
+      await route.fulfill({
+        status: 401,
+        contentType: 'application/json',
+        body: JSON.stringify({ message: 'Unauthorized' }),
+      })
+      return
+    }
+
+    await route.fulfill({
+      status: 200,
+      contentType: 'application/json',
+      body: JSON.stringify(mockAuthResponse),
+    })
+  })
+
+  await page.route('**/api/v1/auth/me', async (route) => {
+    if (!authenticated) {
+      await route.fulfill({
+        status: 401,
+        contentType: 'application/json',
+        body: JSON.stringify({ message: 'Unauthorized' }),
+      })
+      return
+    }
+
+    await route.fulfill({
+      status: 200,
+      contentType: 'application/json',
+      body: JSON.stringify(mockCurrentUser),
+    })
+  })
+
+  await page.route('**/api/v1/users/me/stats', async (route) => {
+    if (!authenticated) {
+      await route.fulfill({
+        status: 401,
+        contentType: 'application/json',
+        body: JSON.stringify({ message: 'Unauthorized' }),
+      })
+      return
+    }
+
+    await route.fulfill({
+      status: 200,
+      contentType: 'application/json',
+      body: JSON.stringify(mockUserStats),
+    })
+  })
+
+  await page.route('**/api/v1/lectures/*/enroll', async (route) => {
+    await route.fulfill({ status: 204 })
+  })
+
+  await page.route(/\/api\/v1\/lectures(\?.*)?$/, async (route) => {
+    if (route.request().method() !== 'GET') {
+      await route.continue()
+      return
+    }
+
+    await route.fulfill({
+      status: 200,
+      contentType: 'application/json',
+      body: JSON.stringify({ items: mockLectures }),
+    })
+  })
+}

frontend/tests/mocks/fixtures.ts

@@ -0,0 +1,80 @@
+export const mockAuthResponse = {
+  accessToken: 'fake-token',
+  expiresAt: '2099-01-01T00:00:00.000Z',
+  user: {
+    id: 1,
+    email: 'student@example.com',
+    displayName: 'Test User',
+    roles: ['Student'],
+  },
+}
+
+export const mockCurrentUser = {
+  id: 1,
+  email: 'student@example.com',
+  displayName: 'Test User',
+  roles: ['Student'],
+  avatarUrl: null,
+  xp: 120,
+  coins: 10,
+  level: 2,
+  createdAt: '2026-01-01T00:00:00.000Z',
+}
+
+export const mockUserStats = {
+  totalLectures: 0,
+  attendedLectures: 0,
+  totalReviews: 0,
+  xp: 120,
+  coins: 10,
+  level: 2,
+  achievementsCount: 0,
+  currentLevelXp: 20,
+  nextLevelXp: 100,
+  activeEnrollments: 0,
+  enrollmentSlotLimit: 3,
+  enrollmentSlotRules: [],
+}
+
+export const mockLectures = [
+  {
+    id: 1,
+    courseId: 101,
+    courseName: 'ML',
+    teacherId: 201,
+    teacherName: 'Иванов И.И.',
+    locationId: 301,
+    locationName: 'B-1 / 101',
+    title: 'Введение в ML',
+    description: 'База машинного обучения',
+    format: 'Offline',
+    startsAt: '2026-06-12T10:00:00.000Z',
+    endsAt: '2026-06-12T11:30:00.000Z',
+    isOpen: true,
+    maxEnrollments: 30,
+    enrollmentsCount: 10,
+    onlineUrl: null,
+    createdAt: '2026-01-01T00:00:00.000Z',
+    isEnrolled: false,
+  },
+  {
+    id: 2,
+    courseId: 102,
+    courseName: 'квантовые-вычисления',
+    teacherId: 202,
+    teacherName: 'Петров П.П.',
+    locationId: null,
+    locationName: null,
+    title: 'Квантовые вычисления',
+    description: 'Кубиты и алгоритмы',
+    format: 'Online',
+    startsAt: '2026-06-13T10:00:00.000Z',
+    endsAt: '2026-06-13T11:00:00.000Z',
+    isOpen: false,
+    maxEnrollments: 50,
+    enrollmentsCount: 50,
+    onlineUrl: 'https://example.com/meet',
+    createdAt: '2026-01-01T00:00:00.000Z',
+    isEnrolled: false,
+  },
+]