test: proper deps mocks in jest unit tests, add unit tests to ci (#364)

.github/workflows/check.yml

@@ -44,3 +44,6 @@ jobs:
 
       - name: Build
         run: npm run build
+
+      - name: Test
+        run: npm run test

package.json

@@ -74,7 +74,7 @@
     "@nestjs/testing": "^9.4.3",
     "@types/axios": "^0.14.0",
     "@types/dot": "^1.1.5",
-    "@types/jest": "^26.0.24",
+    "@types/jest": "^29.5.12",
     "@types/jsonwebtoken": "^8.5.9",
     "@types/jwk-to-pem": "^2.0.1",
     "@types/jwt-simple": "^0.5.33",
@@ -94,7 +94,7 @@
     "typescript": "^4.7.4"
   },
   "jest": {
-    "testTimeout": 3000000,
+    "testTimeout": 120000,
     "setupFiles": [
       "dotenv/config"
     ],

src/auth/auth.controller.spec.ts

@@ -1,12 +1,29 @@
 import { Test, TestingModule } from '@nestjs/testing';
+import { KeyCloakService } from '../keycloak/keycloak.service';
+import { UsersService } from '../users/users.service';
 import { AuthController } from './auth.controller';
+import { AuthService } from './auth.service';
 
 describe('AuthController', () => {
   let controller: AuthController;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
       controllers: [AuthController],
+      providers: [
+        {
+          provide: UsersService,
+          useValue: {},
+        },
+        {
+          provide: KeyCloakService,
+          useValue: {},
+        },
+        {
+          provide: AuthService,
+          useValue: {},
+        },
+      ],
     }).compile();
 
     controller = module.get<AuthController>(AuthController);

src/auth/auth.service.spec.ts

@@ -1,12 +1,43 @@
+import * as fs from 'fs';
+import { EntityManager } from '@mikro-orm/core';
+import { ConfigService } from '@nestjs/config';
 import { Test, TestingModule } from '@nestjs/testing';
+import { HttpClientService } from '../httpclient/httpclient.service';
+import { KeyCloakService } from '../keycloak/keycloak.service';
 import { AuthService } from './auth.service';
 
+jest.mock('fs');
+
 describe('AuthService', () => {
   let service: AuthService;
 
   beforeEach(async () => {
+    (fs.readFileSync as jest.Mock) = jest.fn((path: string) =>
+      path.toLowerCase().includes('json') ? '{}' : 'mocked-key-content',
+    );
+
     const module: TestingModule = await Test.createTestingModule({
-      providers: [AuthService],
+      providers: [
+        AuthService,
+        {
+          provide: EntityManager,
+          useValue: {},
+        },
+        {
+          provide: KeyCloakService,
+          useValue: {},
+        },
+        {
+          provide: HttpClientService,
+          useValue: {},
+        },
+        {
+          provide: ConfigService,
+          useValue: {
+            get: (key: string) => key,
+          },
+        },
+      ],
     }).compile();
 
     service = module.get<AuthService>(AuthService);

src/file/file.controller.spec.ts

@@ -1,12 +1,19 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { FileController } from './file.controller';
+import { FileService } from './file.service';
 
 describe('FileController', () => {
   let controller: FileController;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
       controllers: [FileController],
+      providers: [
+        {
+          provide: FileService,
+          useValue: {},
+        },
+      ],
     }).compile();
 
     controller = module.get<FileController>(FileController);

src/testimonials/testimonials.controller.spec.ts

@@ -1,12 +1,24 @@
 import { Test, TestingModule } from '@nestjs/testing';
+import { AuthService } from '../auth/auth.service';
 import { TestimonialsController } from './testimonials.controller';
+import { TestimonialsService } from './testimonials.service';
 
 describe('TestimonialsController', () => {
   let controller: TestimonialsController;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
       controllers: [TestimonialsController],
+      providers: [
+        {
+          provide: TestimonialsService,
+          useValue: {},
+        },
+        {
+          provide: AuthService,
+          useValue: {},
+        },
+      ],
     }).compile();
 
     controller = module.get<TestimonialsController>(TestimonialsController);

src/testimonials/testimonials.service.spec.ts

@@ -1,12 +1,25 @@
+import { EntityManager } from '@mikro-orm/core';
+import { getRepositoryToken } from '@mikro-orm/nestjs';
 import { Test, TestingModule } from '@nestjs/testing';
+import { Testimonial } from './api/testimonial.model';
 import { TestimonialsService } from './testimonials.service';
 
 describe('TestimonialsService', () => {
   let service: TestimonialsService;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      providers: [TestimonialsService],
+      providers: [
+        TestimonialsService,
+        {
+          provide: EntityManager,
+          useValue: {},
+        },
+        {
+          provide: getRepositoryToken(Testimonial),
+          useValue: {},
+        },
+      ],
     }).compile();
 
     service = module.get<TestimonialsService>(TestimonialsService);

src/users/users.controller.spec.ts

@@ -1,12 +1,29 @@
 import { Test, TestingModule } from '@nestjs/testing';
+import { AuthService } from '../auth/auth.service';
+import { KeyCloakService } from '../keycloak/keycloak.service';
 import { UsersController } from './users.controller';
+import { UsersService } from './users.service';
 
 describe('UsersController', () => {
   let controller: UsersController;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
       controllers: [UsersController],
+      providers: [
+        {
+          provide: UsersService,
+          useValue: {},
+        },
+        {
+          provide: KeyCloakService,
+          useValue: {},
+        },
+        {
+          provide: AuthService,
+          useValue: {},
+        },
+      ],
     }).compile();
 
     controller = module.get<UsersController>(UsersController);

src/users/users.service.spec.ts

@@ -1,14 +1,20 @@
+import { getRepositoryToken } from '@mikro-orm/nestjs';
 import { Test, TestingModule } from '@nestjs/testing';
-import { HttpClientService } from '../httpclient/httpclient.service';
-import { KeyCloakService } from '../keycloak/keycloak.service';
+import { User } from '../model/user.entity';
 import { UsersService } from './users.service';
 
 describe('UsersService', () => {
   let service: UsersService;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      providers: [UsersService, KeyCloakService, HttpClientService],
+      providers: [
+        UsersService,
+        {
+          provide: getRepositoryToken(User),
+          useValue: {},
+        },
+      ],
     }).compile();
 
     service = module.get<UsersService>(UsersService);