auth: fixes unit and e2e tests

adds MockAuthGuard which always return user 'hardcoded'

Signed-off-by: Philip Molares <philip.molares@udo.edu>

src/auth/auth.service.spec.ts

@@ -1,23 +1,24 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { AuthService } from './auth.service';
-import { UsersModule } from '../users/users.module';
+import { PassportModule } from '@nestjs/passport';
 import { getRepositoryToken } from '@nestjs/typeorm';
+import { AuthToken } from '../users/auth-token.entity';
 import { User } from '../users/user.entity';
+import { UsersModule } from '../users/users.module';
+import { Identity } from '../users/identity.entity';
 
 describe('AuthService', () => {
   let service: AuthService;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      providers: [
-        AuthService,
-        {
-          provide: getRepositoryToken(User),
-          useValue: {},
-        },
-      ],
-      imports: [UsersModule],
+      providers: [AuthService],
+      imports: [PassportModule, UsersModule],
     })
+      .overrideProvider(getRepositoryToken(AuthToken))
+      .useValue({})
+      .overrideProvider(getRepositoryToken(Identity))
+      .useValue({})
       .overrideProvider(getRepositoryToken(User))
       .useValue({})
       .compile();

src/auth/mock-auth.guard.ts

@@ -0,0 +1,18 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { ExecutionContext, Injectable } from '@nestjs/common';
+
+@Injectable()
+export class MockAuthGuard {
+  canActivate(context: ExecutionContext) {
+    const req = context.switchToHttp().getRequest();
+    req.user = {
+      userName: 'hardcoded',
+    };
+    return true;
+  }
+}