小编rüf*_*ff0的帖子

我在Mac High Sierra上使用npm@5.6.0.我想运行在此Stratum客户端项目中设置的测试.我已经npm install成功运行了.但是当我尝试运行单个测试时,我收到错误:

no test specified

是什么赋予了？我在根项目目录中,测试在我的"test"文件夹中.这是发生的事情:

localhost:stratum-client-master davea$ npm install
up to date in 0.381s
localhost:stratum-client-master davea$ npm test test/callbacks.js

> stratum-client@1.0.1 test /Users/davea/Documents/workspace/stratum-client-master
> echo "Error: no test specified" && exit 1 "test/callbacks.js"

Error: no test specified
sh: line 0: exit: too many arguments
npm ERR! Test failed.  See above for more details.

我正在尝试HttpClient在Angular 7中使用JSON .代码工作正常,但我正在尝试实现注释代码并停止使用CONST IMAGES并直接从api获取此数据,我还不能这样做.

import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';

@Injectable()
export class ImageService {

  // public _url: string = "https://jsonplaceholder.typicode.com/photos";
  constructor(
    // public http: HttpClient
  ) {}

  theImages = [];
  // IMAGES = [];
  getImages(){
    // this.IMAGES = this.http.get(this._url);
   return this.theImages = IMAGES.slice(0);
 }
  getImage(id: number){
    // this.IMAGES = this.http.get(this._url);
    return IMAGES.slice(0).find(image => image.id == id);
  }

}
const IMAGES = [
  {
    "albumId": 1,
    "id": 1,
    "title": "accusamus …