This is the archived documentation for Angular v5. Please visit angular.io to see documentation for the current version of Angular.

Testability

npm Package @angular/core
Module import { Testability } from '@angular/core';
Source core/src/testability/testability.ts

Overview

      
      class Testability implements PublicTestability {
  constructor(_ngZone: NgZone)
  increasePendingRequestCount(): number
  decreasePendingRequestCount(): number
  isStable(): boolean
  whenStable(callback: Function): void
  getPendingRequestCount(): number
  findProviders(using: any, provider: string, exactMatch: boolean): any[]
}

Description

The Testability service provides testing hooks that can be accessed from the browser and by services such as Protractor. Each bootstrapped Angular application on the page will have an instance of Testability.

Constructor

      
      constructor(_ngZone: NgZone)

Members

      
      increasePendingRequestCount(): number

Increases the number of pending request

      
      decreasePendingRequestCount(): number

Decreases the number of pending request

      
      isStable(): boolean

Whether an associated application is stable

      
      whenStable(callback: Function): void

Run callback when the application is stable

      
      getPendingRequestCount(): number

Get the number of pending requests

      
      findProviders(using: any, provider: string, exactMatch: boolean): any[]

Find providers by name

Annotations

      
      @Injectable()