enhance(backend/test): Migrate tests to vitest (#16935)

* wip

* update fake-timers and migrate

* fix

* remove jest-mock

* fix

* fix

* fix

* fix

* attempt to fix unit tests

* attempt to fix e2e tests

* fix federation test [ci skip]

* attempt to fix e2e tests

* fix typecheck

* fix unit tests

* fix

* attempt to fix e2e

* fix

* Revert "attempt to fix e2e"

This reverts commit b7b7b05d85.

* attempt to fix e2e

* revert attempt to fix e2e

* update deps

* update vitest

* migrate

* attempt to fix e2e

* update

* fix

* remove vite swc plugin as oxc parser can handle decorators

* attempt to fix drive/files/create test

* Revert "attempt to fix drive/files/create test"

This reverts commit 4715153375.

* fix: エンドポイントにまつわるテストをunitからe2eに移動

* attempt to fix e2e

* remove swc

* attempt to fix e2e

* Revert "attempt to fix e2e"

This reverts commit 9fb86a4076.

* add logs for debug

* attempt to fix e2e

* Partially revert "attempt to fix e2e"

This reverts commit fb0008c85a.

* attempt to fix test

* fix: attempt to fix test

* Revert "fix: attempt to fix test"

This reverts commit ed2f5c40e8.

* Revert "attempt to fix test"

This reverts commit d7329c46f1.

* attempt to fix e2e

* fix: surpass eventemitter warning by increasing defaultMaxListeners

* attempt to fix e2e

* fix

* fix e2e not ending properly

* exp: add hanging-process reporter for investigation

* Revert "exp: add hanging-process reporter for investigation"

This reverts commit 26851f8282.

* update changelog

packages/backend/test/unit/WebhookTestService.ts

@@ -5,7 +5,8 @@
  */
 
 import { Test, TestingModule } from '@nestjs/testing';
-import { beforeAll, describe, jest } from '@jest/globals';
+import { beforeAll, afterAll, beforeEach, afterEach, test, expect, describe, vi } from 'vitest';
+import type { Mocked } from 'vitest';
 import { WebhookTestService } from '@/core/WebhookTestService.js';
 import { UserWebhookPayload, UserWebhookService } from '@/core/UserWebhookService.js';
 import { SystemWebhookService } from '@/core/SystemWebhookService.js';
@@ -24,9 +25,9 @@ describe('WebhookTestService', () => {
 
 	let usersRepository: UsersRepository;
 	let userProfilesRepository: UserProfilesRepository;
-	let queueService: jest.Mocked<QueueService>;
-	let userWebhookService: jest.Mocked<UserWebhookService>;
-	let systemWebhookService: jest.Mocked<SystemWebhookService>;
+	let queueService: Mocked<QueueService>;
+	let userWebhookService: Mocked<UserWebhookService>;
+	let systemWebhookService: Mocked<SystemWebhookService>;
 	let idService: IdService;
 
 	let root: MiUser;
@@ -59,23 +60,23 @@ describe('WebhookTestService', () => {
 				IdService,
 				{
 					provide: CustomEmojiService, useFactory: () => ({
-						populateEmojis: jest.fn(),
+						populateEmojis: vi.fn(),
 					}),
 				},
 				{
 					provide: QueueService, useFactory: () => ({
-						systemWebhookDeliver: jest.fn(),
-						userWebhookDeliver: jest.fn(),
+						systemWebhookDeliver: vi.fn(),
+						userWebhookDeliver: vi.fn(),
 					}),
 				},
 				{
 					provide: UserWebhookService, useFactory: () => ({
-						fetchWebhooks: jest.fn(),
+						fetchWebhooks: vi.fn(),
 					}),
 				},
 				{
 					provide: SystemWebhookService, useFactory: () => ({
-						fetchSystemWebhooks: jest.fn(),
+						fetchSystemWebhooks: vi.fn(),
 					}),
 				},
 			],
@@ -86,9 +87,9 @@ describe('WebhookTestService', () => {
 
 		service = app.get(WebhookTestService);
 		idService = app.get(IdService);
-		queueService = app.get(QueueService) as jest.Mocked<QueueService>;
-		userWebhookService = app.get(UserWebhookService) as jest.Mocked<UserWebhookService>;
-		systemWebhookService = app.get(SystemWebhookService) as jest.Mocked<SystemWebhookService>;
+		queueService = app.get(QueueService) as Mocked<QueueService>;
+		userWebhookService = app.get(UserWebhookService) as Mocked<UserWebhookService>;
+		systemWebhookService = app.get(SystemWebhookService) as Mocked<SystemWebhookService>;
 
 		app.enableShutdownHooks();
 	});