import { Test, TestingModule } from '@nestjs/testing';
import { HttpService } from '@nestjs/axios';
import { GeorouterCreator } from '../../adapters/secondaries/georouter-creator';
import { Geodesic } from '../../adapters/secondaries/geodesic';
import { GraphhopperGeorouter } from '../../adapters/secondaries/graphhopper-georouter';

const mockHttpService = jest.fn();
const mockGeodesic = jest.fn();

describe('Georouter creator', () => {
  let georouterCreator: GeorouterCreator;

  beforeAll(async () => {
    const module: TestingModule = await Test.createTestingModule({
      imports: [],
      providers: [
        GeorouterCreator,
        {
          provide: HttpService,
          useValue: mockHttpService,
        },
        {
          provide: Geodesic,
          useValue: mockGeodesic,
        },
      ],
    }).compile();

    georouterCreator = module.get<GeorouterCreator>(GeorouterCreator);
  });

  it('should be defined', () => {
    expect(georouterCreator).toBeDefined();
  });
  it('should create a graphhopper georouter', () => {
    const georouter = georouterCreator.create(
      'graphhopper',
      'http://localhost',
    );
    expect(georouter).toBeInstanceOf(GraphhopperGeorouter);
  });
  it('should throw an exception if georouter type is unknown', () => {
    expect(() =>
      georouterCreator.create('unknown', 'http://localhost'),
    ).toThrow();
  });
});