Questions tagged [karma-runner]
Karma provides developers a testing environment where they don't have to set up many things, rather just write code and get instant feedback in order to improve productivity and creativity.
karma-runner
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Tests coverage generation is randomly failing
I am trying to generate a coverage report for my Angular tests using Karma.
I implemented a pipeline that simply runs ng test --watch=false --code-coverage=true
Every now and then, using the same VM, ...
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How to use relative paths in SCSS URLs which work for Angular application and karma builds
I've migrated a project to Angular 18 using @angular-devkit/build-angular:application as builder. During the migration process all relative paths in SCSS image URLs have been changed from "~/src/...
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Angular Karma/Jasmine Unit Test Cannot Read Properties Of Undefined Readin imageUrl
I have been tackling an error for a couple of days in my unit testing. Everything I have tried thus far from my research does not seem to resolve the issue. Three of my components are failing unit ...
- 187
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HTML not rendered in Karma Jasmine
It seems that the page is not rendered in my unit test. This is why I am getting the null obj when doing the assert.
I am using webpack, do you know if it can be related to it ?
The angular webpack ...
- 155
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inject() must be called from an injection context in unit test
When I am trying to use the AlertsComponent in my test file at the beginning it require some services. After adding theses services the following error appear:
inject() must be called from an ...
- 155
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99
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Importing OverlayModule in Karma not working
Test file :
import { ComponentFixture, TestBed } from '@angular/core/testing';
import { By } from '@angular/platform-browser';
import { AlertsComponent } from './alerts.component';
import { ...
- 155
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Error: Expected one matching request for criteria "Match method: PUT, URL: http://localhost:3000/api/v1/users/1", found none
I am trying to create unit tests for a full-stack application I am writing to practice learning angular. I am trying to create mock requests to test the functions of my frontend without actually ...
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Jasmine-Karma how to include ESM module when using Karma Test Explorer
I am using Karma Test Explorer extension for running and debugging tests in VScode.
I have an angular project which is workspace project and in projects/ folder there is a "library" project ...
- 1,616
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Jasmine/Karma error "TypeError: Cannot read properties of undefined (reading 'events')" error after putting routerLink on Angular template
I am trying to make some tests in my Angular app, but when I add this line with routerLink, the tests gives me errors:
<a class="nav-link" routerLink="../loja-lista" role="...
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Testing HttpInterceptorFn with rxjs retry operator
I'm trying to do some unit tests for my retry policy with the new interceptor function that Angular 17 provides.
Here is the interceptor code:
import { HttpErrorResponse, HttpInterceptorFn, ...
- 91
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Unit testing webpack bundle with Karma, is it possible?
I'm working on testing a typescript library (no Angular) where the source code is being transpiled with babel and bundled with webpack into a /dist/bundle.js file.
I initialy thought that I could just ...
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Angular Testing Error when there is Class[].push
let's say I have firstComponent that already have success ng test. in the test Im doing some test related to router and have this line
const mockRouter = jasmine.createSpyObj("Router", [&...
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Angular 15 unit test - Cannot read properties of readonly constant, why?
I can't run unit tests with Angular 15.2.10 and Karma 6.3.12, I have also tried Karma 6.4.3 but has the same problem.
The odd thing is that it gives me error in a readonly constant not in a variable.
...
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Are test.ts and test-acceptance.ts not required from Angularv15 onwards?
I have upgraded to Angular15 recently, but unit tests weren't running, after some exploring, I got to know that main:"test.ts" needs to be removed from angular.json's test block, and instead ...
- 155
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Karma with external stencil webcomponents
How can I run an external Stencil web component in Angular under Karma so that I can access the shadow DOM and the component is rendered in the Karma runner?
Edit:
With setTimeout on 300 and a normal ...
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