import {inject, TestBed} from "@angular/core/testing";
import {UserService} from "./user.service";
import {UserDTO} from "../../../../common/entities/UserDTO";
import {Message} from "../../../../common/entities/Message";
import "rxjs/Rx";
import {LoginCredential} from "../../../../common/entities/LoginCredential";
import {AuthenticationService} from "./authentication.service";

class MockUserService {
    public login(credential: LoginCredential) {
        return Promise.resolve(new Message<UserDTO>(null, <UserDTO>{name: "testUserName"}))
    }
}

describe('AuthenticationService', () => {
    beforeEach(() => {
        TestBed.configureTestingModule({
            providers: [
                {provide: UserService, useClass: MockUserService},
                AuthenticationService]
        });
    });


    it('should call UserDTO service login', inject([AuthenticationService, UserService], (authService, userService) => {
        spyOn(userService, "login").and.callThrough();

        expect(userService.login).not.toHaveBeenCalled();
        authService.login();
        expect(userService.login).toHaveBeenCalled();
    }));

    it('should have NO Authenticated use', inject([AuthenticationService], (authService) => {
        expect(authService.getUser()).toBe(null);
        expect(authService.isAuthenticated()).toBe(false);
    }));


    it('should have Authenticated use', inject([AuthenticationService], (authService) => {
        spyOn(authService.OnUserChanged, "trigger").and.callThrough();
        authService.login();
        authService.OnUserChanged.on(() => {
            expect(authService.OnUserChanged.trigger).toHaveBeenCalled();
            expect(authService.getUser()).not.toBe(null);
            expect(authService.isAuthenticated()).toBe(true);
        });

    }));


});