improve tests, added findAdById grpc controller test

package.json

@@ -118,7 +118,8 @@
     "moduleNameMapper": {
       "^@libs(.*)": "<rootDir>/libs/$1",
       "^@modules(.*)": "<rootDir>/modules/$1",
-      "^@src(.*)": "<rootDir>$1"
+      "^@src(.*)": "<rootDir>$1",
+      "^@utils(.*)": "<rootDir>utils/$1"
     },
     "testEnvironment": "node"
   }

src/modules/ad/interface/grpc-controllers/create-ad.grpc.controller.ts

@@ -1,13 +1,13 @@
 import { Controller, UsePipes } from '@nestjs/common';
 import { CommandBus } from '@nestjs/cqrs';
 import { GrpcMethod, RpcException } from '@nestjs/microservices';
-import { RpcValidationPipe } from '../../../../utils/pipes/rpc.validation-pipe';
 import { CreateAdRequestDto } from './dtos/create-ad.request.dto';
 import { CreateAdCommand } from '../../core/commands/create-ad/create-ad.command';
 import { AggregateID } from '@libs/ddd';
 import { AdAlreadyExistsException } from '../../core/ad.errors';
 import { IdResponse } from '@libs/api/id.response.dto';
 import { RpcExceptionCode } from '@libs/exceptions/rpc-exception.codes.enum';
+import { RpcValidationPipe } from '@utils/pipes/rpc.validation-pipe';
 
 @UsePipes(
   new RpcValidationPipe({
@@ -32,7 +32,10 @@ export class CreateAdGrpcController {
           code: RpcExceptionCode.ALREADY_EXISTS,
           message: error.message,
         });
-      throw new RpcException({});
+      throw new RpcException({
+        code: RpcExceptionCode.UNKNOWN,
+        message: error.message,
+      });
     }
   }
 }

src/modules/ad/interface/grpc-controllers/find-ad-by-id.grpc.controller.ts

@@ -7,6 +7,8 @@ import { FindAdByIdQuery } from '@modules/ad/core/queries/find-ad-by-id/find-ad-
 import { AdResponseDto } from '../dtos/ad.response.dto';
 import { AdEntity } from '@modules/ad/core/ad.entity';
 import { AdMapper } from '@modules/ad/ad.mapper';
+import { NotFoundException } from '@libs/exceptions';
+import { RpcExceptionCode } from '@libs/exceptions/rpc-exception.codes.enum';
 
 @UsePipes(
   new RpcValidationPipe({
@@ -29,8 +31,14 @@ export class FindAdByIdGrpcController {
       );
       return this.mapper.toResponse(ad);
     } catch (e) {
+      if (e instanceof NotFoundException) {
         throw new RpcException({
-        code: e.code,
+          code: RpcExceptionCode.NOT_FOUND,
+          message: e.message,
+        });
+      }
+      throw new RpcException({
+        code: RpcExceptionCode.UNKNOWN,
         message: e.message,
       });
     }

src/modules/ad/tests/unit/interface/create-ad.grpc.controller.spec.ts

@@ -72,35 +72,45 @@ describe('Create Ad Grpc Controller', () => {
     );
   });
 
+  afterEach(async () => {
+    jest.clearAllMocks();
+  });
+
   it('should be defined', () => {
     expect(createAdGrpcController).toBeDefined();
   });
 
   it('should create a new ad', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
     const result: IdResponse = await createAdGrpcController.create(
       punctualCreateAdRequest,
     );
     expect(result).toBeInstanceOf(IdResponse);
     expect(result.id).toBe('200d61a8-d878-4378-a609-c19ea71633d2');
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
   });
 
-  it('should throw an dedicated RpcException if ad already exists', async () => {
-    expect.assertions(2);
+  it('should throw a dedicated RpcException if ad already exists', async () => {
+    jest.spyOn(mockCommandBus, 'execute');
+    expect.assertions(3);
     try {
       await createAdGrpcController.create(punctualCreateAdRequest);
     } catch (e: any) {
       expect(e).toBeInstanceOf(RpcException);
       expect(e.error.code).toBe(RpcExceptionCode.ALREADY_EXISTS);
     }
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
   });
 
   it('should throw a generic RpcException', async () => {
-    expect.assertions(2);
+    jest.spyOn(mockCommandBus, 'execute');
+    expect.assertions(3);
     try {
       await createAdGrpcController.create(punctualCreateAdRequest);
     } catch (e: any) {
       expect(e).toBeInstanceOf(RpcException);
-      expect(e.error.code).toBeUndefined();
+      expect(e.error.code).toBe(RpcExceptionCode.UNKNOWN);
     }
+    expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
   });
 });

src/modules/ad/tests/unit/interface/find-ad-by-id.grpc.controller.spec.ts

@@ -0,0 +1,140 @@
+import { NotFoundException } from '@libs/exceptions';
+import { RpcExceptionCode } from '@libs/exceptions/rpc-exception.codes.enum';
+import { AdMapper } from '@modules/ad/ad.mapper';
+import { Frequency } from '@modules/ad/core/ad.types';
+import { FindAdByIdGrpcController } from '@modules/ad/interface/grpc-controllers/find-ad-by-id.grpc.controller';
+import { QueryBus } from '@nestjs/cqrs';
+import { RpcException } from '@nestjs/microservices';
+import { Test, TestingModule } from '@nestjs/testing';
+
+const mockQueryBus = {
+  execute: jest
+    .fn()
+    .mockImplementationOnce(() => '200d61a8-d878-4378-a609-c19ea71633d2')
+    .mockImplementationOnce(() => {
+      throw new NotFoundException();
+    })
+    .mockImplementationOnce(() => {
+      throw new Error();
+    }),
+};
+
+const mockAdMapper = {
+  toResponse: jest.fn().mockImplementationOnce(() => ({
+    userId: '8cc90d1a-4a59-4289-a7d8-078f9db7857f',
+    driver: true,
+    passenger: true,
+    frequency: Frequency.PUNCTUAL,
+    fromDate: '2023-06-27',
+    toDate: '2023-06-27',
+    schedule: {
+      tue: '07:15',
+    },
+    marginDurations: {
+      mon: 900,
+      tue: 900,
+      wed: 900,
+      thu: 900,
+      fri: 900,
+      sat: 900,
+      sun: 900,
+    },
+    seatsProposed: 3,
+    seatsRequested: 1,
+    waypoints: [
+      {
+        position: 0,
+        lon: 48.689445,
+        lat: 6.17651,
+        houseNumber: '5',
+        street: 'Avenue Foch',
+        locality: 'Nancy',
+        postalCode: '54000',
+        country: 'France',
+      },
+      {
+        position: 1,
+        lon: 48.8566,
+        lat: 2.3522,
+        locality: 'Paris',
+        postalCode: '75000',
+        country: 'France',
+      },
+    ],
+  })),
+};
+
+describe('Find Ad By Id Grpc Controller', () => {
+  let findAdbyIdGrpcController: FindAdByIdGrpcController;
+
+  beforeAll(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        {
+          provide: QueryBus,
+          useValue: mockQueryBus,
+        },
+        {
+          provide: AdMapper,
+          useValue: mockAdMapper,
+        },
+        FindAdByIdGrpcController,
+      ],
+    }).compile();
+
+    findAdbyIdGrpcController = module.get<FindAdByIdGrpcController>(
+      FindAdByIdGrpcController,
+    );
+  });
+
+  afterEach(async () => {
+    jest.clearAllMocks();
+  });
+
+  it('should be defined', () => {
+    expect(findAdbyIdGrpcController).toBeDefined();
+  });
+
+  it('should return an ad', async () => {
+    jest.spyOn(mockQueryBus, 'execute');
+    jest.spyOn(mockAdMapper, 'toResponse');
+    const response = await findAdbyIdGrpcController.findOnebyId({
+      id: '6dcf093c-c7db-4dae-8e9c-c715cebf83c7',
+    });
+    expect(response.userId).toBe('8cc90d1a-4a59-4289-a7d8-078f9db7857f');
+    expect(mockQueryBus.execute).toHaveBeenCalledTimes(1);
+    expect(mockAdMapper.toResponse).toHaveBeenCalledTimes(1);
+  });
+
+  it('should throw a dedicated RpcException if ad is not found', async () => {
+    jest.spyOn(mockQueryBus, 'execute');
+    jest.spyOn(mockAdMapper, 'toResponse');
+    expect.assertions(4);
+    try {
+      await findAdbyIdGrpcController.findOnebyId({
+        id: 'ac85f5f4-41cd-4c5d-9aee-0a1acb176fb8',
+      });
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(RpcException);
+      expect(e.error.code).toBe(RpcExceptionCode.NOT_FOUND);
+    }
+    expect(mockQueryBus.execute).toHaveBeenCalledTimes(1);
+    expect(mockAdMapper.toResponse).toHaveBeenCalledTimes(0);
+  });
+
+  it('should throw a generic RpcException', async () => {
+    jest.spyOn(mockQueryBus, 'execute');
+    jest.spyOn(mockAdMapper, 'toResponse');
+    expect.assertions(4);
+    try {
+      await findAdbyIdGrpcController.findOnebyId({
+        id: '53c8e7ec-ef68-42bc-ba4c-5ef3effa60a6',
+      });
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(RpcException);
+      expect(e.error.code).toBe(RpcExceptionCode.UNKNOWN);
+    }
+    expect(mockQueryBus.execute).toHaveBeenCalledTimes(1);
+    expect(mockAdMapper.toResponse).toHaveBeenCalledTimes(0);
+  });
+});