[英]Injecting filter into unit test Angular Typescript
我在注入Angular內置的orderByFilter時遇到問題。 任何建議都會有所幫助。 提前致謝! 我收到此錯誤:
TypeError:未定義不是構造函數(評估'this.orderBy(this.registrationList,this.registrationSort,this.sortReverse)
這是我的組件:
import { RegistrationModel } from "../models/RegistrationModel";
import { IRegistration } from "../../../services/interfaces/IRegistration";
export class RegistrationsComponent implements ng.IComponentOptions {
public static componentName = "registrations";
public template: string = require("./Registrations");
public controller = RegistrationsController;
}
export class RegistrationsController {
static $inject = ["RegistrationModel", "orderByFilter"];
public registrationsList: IRegistration[] = [];
public registrationSort: string;
public sortReverse: boolean = false;
constructor(
public RegistrationModel: RegistrationModel,
public orderBy
) {}
public sortRegistrations() {
this.registrationsList = this.orderBy(this.registrationsList, this.registrationSort, this.sortReverse);
}
}
這是我的單元測試:
import "angular-mocks";
import { RegistrationsComponent, RegistrationsController } from "./RegistrationsComponent";
import { IRegistration } from "../../../services/interfaces/IRegistration";
describe("Registrations", () => {
var registrationModelMock = {};
var orderBy;
beforeEach(angular.mock.module("onboardingTestApp", ($provide: any) => {
$provide.service("RegistrationModel", () => registrationModelMock);
$provide.service("orderByFilter", () => orderBy);
}));
var registrationList = [
{
Created: "2016-05-13",
Email: "test1@test.com",
},
{
Created: "2017-03-13",
Email: "test2@test.com",
},
]
var registrationController = new RegistrationsController(<any>registrationModelMock, orderBy);
it("should sort the registrations", () => {
registrationController.registrationsList = <any>registrationList;
registrationController.registrationSort = "Email";
registrationController.sortReverse = true;
registrationController.sortRegistrations();
expect(registrationList[0].Email).toBe("test2@test.com");
});
});
角度2中沒有'orderBy'管道。它們確實有其他管道,例如Currency,大寫字母,但它們刪除了orderBy。 由於性能問題,它們已從以前的角度版本中刪除。
這是說明該情況的文檔。 https://angular.io/docs/ts/latest/guide/pipes.html閱讀附錄部分,該部分將對此進行詳細說明。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.