角度 – 离子2业力测试失败’离子标签’不是已知元素

发布时间：2020-12-17 17:03:06 所属栏目：安全来源：网络整理

导读：在运行npm测试时,我的组件出现此错误 – **Can't bind to 'formGroup' since it isn't a known property of 'form'. (" /divform [ERROR -][formGroup]="loginForm" text-centerion-list"): ng:///DynamicTestModule/Login.html@18:6'ion-label' is not a kn

在运行npm测试时,我的组件出现此错误 – >

**Can't bind to 'formGroup' since it isn't a known property of 
   'form'. 
   ("
  </div>
<form [ERROR ->][formGroup]="loginForm" text-center>
<ion-list>
"): ng:///DynamicTestModule/Login.html@18:6
'ion-label' is not a known element:
1. If 'ion-label' is an Angular component,then verify that it is part 
of this module.
2. If 'ion-label' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' 
to the '@NgModule.schemas' of this component to suppress this message. 
 ("
<ion-item>
    [ERROR ->]<ion-label floating>Email</ion-label>
    <ion-input type="email" formControlName="email" [class.inva"): 
 ng:///DynamicTestModule/Login.html@25:4
'ion-input' is not a known element:
1. If 'ion-input' is an Angular component,then verify that it is part 
of this module.
2. If 'ion-input' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message. ("
<ion-item>
    <ion-label floating>Email</ion-label>
    [ERROR ->]<ion-input type="email" formControlName="email" [class.invalid]="!loginForm.controls.email.valid && ("): ng:///DynamicTestModule/Login.html@26:4
'ion-item' is not a known element:

** 1.如果’ion-item’是Angular组件,则验证它是否是此模块的一部分.
2.如果’ion-item’是Web组件,则将’CUSTOM_ELEMENTS_SCHEMA’添加到’@ NgModule.schemas’,输入此组件的代码以禁止显示此消息. (”
????[错误 – >] ****

这是我的test.ts

import 'zone.js/dist/long-stack-trace-zone';
      import 'zone.js/dist/proxy.js';
import 'zone.js/dist/sync-test';
import 'zone.js/dist/jasmine-patch';
import 'zone.js/dist/async-test';
import 'zone.js/dist/fake-async-test';

import { FormsModule,ReactiveFormsModule } from '@angular/forms';
import { getTestBed,TestBed } from '@angular/core/testing';
import { BrowserDynamicTestingModule,platformBrowserDynamicTesting } from '@angular/platform-browser-dynamic/testing';
import { App,Config,Form,IonicModule,Keyboard,DomController,MenuController,NavController,Platform } from 'ionic-angular';
import { ConfigMock } from './mocks';




// Unfortunately there's no typing for the `__karma__` variable. Just 
 declare it as any.
declare var __karma__: any;
declare var require: any;

// Prevent Karma from running prematurely.
__karma__.loaded = function (): void {
  // noop
};

// First,initialize the Angular testing environment.
getTestBed().initTestEnvironment(
  BrowserDynamicTestingModule,platformBrowserDynamicTesting(),);

// Then we find all the tests.
let context: any = require.context('./',true,/.spec.ts/);

// And load the modules.
context.keys().map(context);

// Finally,start Karma to run the tests.
__karma__.start();
``

解决方法

在配置测试套件时是否导入了IonicModule？
像(在test.ts中)的东西：

public static configureIonicTestingModule(components: Array<any>): typeof TestBed {
  return TestBed.configureTestingModule({
    declarations: [
      ...components,],providers: [
      App,DomController
    ],imports: [
      FormsModule,// <- this here
    ],});
}

（编辑：李大同）

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