datasurvey/src/main/webapp/app/entities/user/user.service.spec.ts

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2021-07-03 21:48:27 +00:00
import { TestBed } from '@angular/core/testing';
import { HttpErrorResponse } from '@angular/common/http';
import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
import { User, IUser } from './user.model';
import { UserService } from './user.service';
describe('Service Tests', () => {
describe('User Service', () => {
let service: UserService;
let httpMock: HttpTestingController;
let expectedResult: IUser | IUser[] | boolean | number | null;
beforeEach(() => {
TestBed.configureTestingModule({
imports: [HttpClientTestingModule],
});
expectedResult = null;
service = TestBed.inject(UserService);
httpMock = TestBed.inject(HttpTestingController);
});
afterEach(() => {
httpMock.verify();
});
describe('Service methods', () => {
it('should return Users', () => {
service.query().subscribe(received => {
expectedResult = received.body;
});
const req = httpMock.expectOne({ method: 'GET' });
req.flush([new User(123, 'user', 'fist name', 'last name', 'email@gmail.com', ['ROLE_USER'])]);
expect(expectedResult).toEqual([
{ id: 123, login: 'user', firstName: 'fist name', lastName: 'last name', email: 'email@gmail.com', authorities: ['ROLE_USER'] },
]);
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});
it('should propagate not found response', () => {
service.query().subscribe({
error: (error: HttpErrorResponse) => (expectedResult = error.status),
});
const req = httpMock.expectOne({ method: 'GET' });
req.flush('Internal Server Error', {
status: 500,
statusText: 'Inernal Server Error',
});
expect(expectedResult).toEqual(500);
});
describe('addUserToCollectionIfMissing', () => {
it('should add a User to an empty array', () => {
const user: IUser = { id: 123 };
expectedResult = service.addUserToCollectionIfMissing([], user);
expect(expectedResult).toHaveLength(1);
expect(expectedResult).toContain(user);
});
it('should not add a User to an array that contains it', () => {
const user: IUser = { id: 123 };
const userCollection: IUser[] = [
{
...user,
},
{ id: 456 },
];
expectedResult = service.addUserToCollectionIfMissing(userCollection, user);
expect(expectedResult).toHaveLength(2);
});
it("should add a User to an array that doesn't contain it", () => {
const user: IUser = { id: 123 };
const userCollection: IUser[] = [{ id: 456 }];
expectedResult = service.addUserToCollectionIfMissing(userCollection, user);
expect(expectedResult).toHaveLength(2);
expect(expectedResult).toContain(user);
});
it('should add only unique User to an array', () => {
const userArray: IUser[] = [{ id: 123 }, { id: 456 }, { id: 27699 }];
const userCollection: IUser[] = [{ id: 456 }];
expectedResult = service.addUserToCollectionIfMissing(userCollection, ...userArray);
expect(expectedResult).toHaveLength(3);
});
it('should accept varargs', () => {
const user: IUser = { id: 123 };
const user2: IUser = { id: 456 };
expectedResult = service.addUserToCollectionIfMissing([], user, user2);
expect(expectedResult).toHaveLength(2);
expect(expectedResult).toContain(user);
expect(expectedResult).toContain(user2);
});
it('should accept null and undefined values', () => {
const user: IUser = { id: 123 };
expectedResult = service.addUserToCollectionIfMissing([], null, user, undefined);
expect(expectedResult).toHaveLength(1);
expect(expectedResult).toContain(user);
});
it('should return initial array if no users is added', () => {
const userCollection: IUser[] = [{ id: 456 }];
expectedResult = service.addUserToCollectionIfMissing(userCollection, null, undefined);
expect(expectedResult).toEqual(userCollection);
});
});
});
});
});