Suppose I have the following component:  import { mapState } from 'vuex'; import externalDependency from '...';  export default {   name: 'Foo',   computed: {     ...mapState(['bar'])   },   watch: {     bar () {...
Disclaimer: I am pretty new to Vue, JavaScript, and web frameworks in general.  I'm trying to familiarise myself with some basic unit and component tests using Jest and vue-test-utils.  I have read the docs on vue-test-utils' mount() and shal...
I'm doing unit tests with Jest and Element-ui in Vue on a component which contains a select with 2 options. I am selecting an option from a dropdown and then checking that an action has been called.  1) With normal select and option HTML tags thi...
I'm using the Buefy CSS Framework, which provides custom vue-js components such as <b-input> and <b-table>, and I've come across a problem testing the <b-input> tag.     import { shallowMount, createLocalVue } from '@vue...
I have a UI library that we import into our app. In the UI library is a custom directive, toggle, that we use for opening and closing a modal. When I run unit tests, I get this error:  [Vue warn]: Failed to resolve directive: toggle        (found in...
In this article it is explained how to use a global event bus in VueJS. It describes an alternative method to the common approach using an event bus defined in a separate file:  import Vue from 'vue';  const EventBus = new Vue(); export defau...
I am currently stuck on unit testing the routing behavior of a vue component with jest. When leaving the component, the 'beforeRouteLeave' navigation guard of Vue-router runs some logic. This guard gets called in my application running in pro...
I have a Vue component with a button. On a button click, a method is called. I am using Jest for unit test. I expected .trigger method from vue-test-utils to create a synthetic event on the button, but it does nothing.   I tried calling the method di...
I am writing some unit test but I got trouble with component that have inject property.   I am using shallowMount. I did some research about this.And there is way to create fake data for provide https://vue-test-utils.vuejs.org/api/options.html#provi...
We are porting a very large project into Vue.js and would like to thoroughly implement our unit testing suite as we go.  We would like to validate that components are having all their required properties set at creation, my test case looks something...

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