Move common test preparations into TestSetup class

Signed-off-by: David Mehren <git@herrmehren.de>

test/test-setup.ts

@@ -0,0 +1,85 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import { INestApplication } from '@nestjs/common';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import { Test, TestingModule } from '@nestjs/testing';
+import { TypeOrmModule } from '@nestjs/typeorm';
+
+import { PrivateApiModule } from '../src/api/private/private-api.module';
+import { AuthModule } from '../src/auth/auth.module';
+import { MockAuthGuard } from '../src/auth/mock-auth.guard';
+import { TokenAuthGuard } from '../src/auth/token.strategy';
+import appConfigMock from '../src/config/mock/app.config.mock';
+import authConfigMock from '../src/config/mock/auth.config.mock';
+import customizationConfigMock from '../src/config/mock/customization.config.mock';
+import externalServicesConfigMock from '../src/config/mock/external-services.config.mock';
+import mediaConfigMock from '../src/config/mock/media.config.mock';
+import { GroupsModule } from '../src/groups/groups.module';
+import { HistoryModule } from '../src/history/history.module';
+import { IdentityService } from '../src/identity/identity.service';
+import { LoggerModule } from '../src/logger/logger.module';
+import { MediaModule } from '../src/media/media.module';
+import { NotesModule } from '../src/notes/notes.module';
+import { PermissionsModule } from '../src/permissions/permissions.module';
+import { UsersModule } from '../src/users/users.module';
+import { UsersService } from '../src/users/users.service';
+
+export class TestSetup {
+  moduleRef: TestingModule;
+  app: INestApplication;
+
+  userService: UsersService;
+  configService: ConfigService;
+  identityService: IdentityService;
+
+  public static async create(): Promise<TestSetup> {
+    const testSetup = new TestSetup();
+
+    testSetup.moduleRef = await Test.createTestingModule({
+      imports: [
+        ConfigModule.forRoot({
+          isGlobal: true,
+          load: [
+            appConfigMock,
+            authConfigMock,
+            mediaConfigMock,
+            customizationConfigMock,
+            externalServicesConfigMock,
+          ],
+        }),
+        PrivateApiModule,
+        NotesModule,
+        PermissionsModule,
+        GroupsModule,
+        TypeOrmModule.forRoot({
+          type: 'sqlite',
+          database: ':memory:',
+          autoLoadEntities: true,
+          synchronize: true,
+          dropSchema: true,
+        }),
+        LoggerModule,
+        AuthModule,
+        UsersModule,
+        MediaModule,
+        HistoryModule,
+      ],
+    })
+      .overrideGuard(TokenAuthGuard)
+      .useClass(MockAuthGuard)
+      .compile();
+
+    testSetup.userService = testSetup.moduleRef.get<UsersService>(UsersService);
+    testSetup.configService =
+      testSetup.moduleRef.get<ConfigService>(ConfigService);
+    testSetup.identityService =
+      testSetup.moduleRef.get<IdentityService>(IdentityService);
+
+    testSetup.app = testSetup.moduleRef.createNestApplication();
+
+    return testSetup;
+  }
+}