Top "Angular-test" questions

Angular2 unit test with @Input()

I've got a component that uses the @Input() annotation on an instance variable and I'm trying to write my unit …

angular typescript unit-testing jasmine angular-test

Angular 6 - NullInjectorError: No provider for HttpClient in unit tests

I am importing and using HttpClient in a service as follows: import { Injectable } from '@angular/core'; import { HttpClient } from …

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How do I unit test if an element is visible when the *ngIf directive is used using Jasmine in Angular

I have an Angular 6 app and writing some unit tests trying to determine if an element is visible or not …

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Angular 2 Testing - Async function call - when to use

When do you use the async function in the TestBed when testing in Angular 2? When do you use this? beforeEach(() =&…

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How do I turn off source maps for Angular 6 ng test?

I am trying to turn off sourcemaps for my tests in Angular 6. I know the sourcemaps switch has been removed, …

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This constructor is not compatible with Angular Dependency Injection because its dependency at index 0 of the parameter list is invalid

In my Angular 9 app, I have an abstract class: export abstract class MyAbstractComponent { constructor( protected readonly cd: ChangeDetectorRef, ) { super(); } // ... } and …

angular typescript angular-test angular-ivy angular-dependency-injection

Angular cli showing error "An unhandled exception occurred: No projects support the 'test' target." when running ng test or ng serve command

I have a basic angular application , which was working fine. The ng serve and ng test commands were working fine. …

angular build angular8 angular-test angular-cli-v8

How to mock route.snapshot.params?

In my Angular 4 component I have something like: constructor(private route: ActivatedRoute) { } ngOnInit() { this.myId = this.route.snapshot.params['myId']; } …

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Unit test Angular Material Dialog - How to include MAT_DIALOG_DATA

I am trying to unit test this material dialog to test if the template is rendering the right injected object. …

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Angular component test error: TypeError Cannot read property 'subscribe' of undefined

I have a simple unit test that is done using karma/jasmine on an Angular 6 component. From the pluralsight course …

angular unit-testing jasmine angular-test