If you remove {sync: false} from
const _mount = () => mount(TestComponent, {sync: false});
in component.test.js, the test will break. If you keep it, everything is fine.
Created
February 7, 2019 19:44
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Vuetify + Vue Test Utils + Jest + Stupid sync flag
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| module.exports = { | |
| presets: [ | |
| [ | |
| '@babel/preset-env', | |
| { | |
| targets: { | |
| node: 'current', | |
| }, | |
| }, | |
| ], | |
| ], | |
| }; |
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| import TestComponent from './component.vue'; | |
| import {mount} from '@vue/test-utils'; | |
| import Vue from 'vue'; | |
| import Vuetify from 'vuetify'; | |
| Vue.use(Vuetify); | |
| describe('test', () => { | |
| const _mount = () => mount(TestComponent, {sync: false}); | |
| const findForm = (wrapper) => wrapper.find({ref: 'form'}); | |
| const findTextField = (wrapper) => wrapper.find({ref: 'textField'}); | |
| const nextTickPromise = (wrapper) => new Promise(resolve => wrapper.vm.$nextTick(resolve)); | |
| it('should be valid', async () => { | |
| // Given | |
| const wrapper = _mount(); | |
| // When | |
| findTextField(wrapper).vm.$emit('input', 'testText'); | |
| await nextTickPromise(wrapper); | |
| // Then | |
| expect(findForm(wrapper).vm.value).toEqual(true); | |
| }); | |
| it('should ne invalid', () => { | |
| const wrapper = _mount(); | |
| expect(findForm(wrapper).vm.value).toEqual(false); | |
| }) | |
| }); |
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| <template> | |
| <v-form v-model="valid" ref="form"> | |
| <v-text-field | |
| v-model="text" | |
| ref="textField" | |
| :rules="rules"/> | |
| </v-form> | |
| </template> | |
| <script> | |
| export default { | |
| data () { | |
| return { | |
| rules: [ | |
| (v) => v.length > 0 || 'field required' | |
| ], | |
| text: '', | |
| valid: false | |
| } | |
| } | |
| } | |
| </script> |
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| module.exports = { | |
| moduleFileExtensions: ["js", "json", "vue"], | |
| transform: { | |
| "^.+\\.js$": "babel-jest", | |
| "^.+\\.vue$": "vue-jest" | |
| } | |
| } |
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| { | |
| "name": "vuetify-form", | |
| "version": "1.0.0", | |
| "scripts": { | |
| "test": "jest" | |
| }, | |
| "devDependencies": { | |
| "@babel/core": "^7.2.2", | |
| "@babel/preset-env": "^7.3.1", | |
| "@vue/test-utils": "^1.0.0-beta.29", | |
| "babel-core": "^7.0.0-bridge.0", | |
| "jest": "^24.1.0", | |
| "vue-jest": "^3.0.2", | |
| "vue-template-compiler": "^2.6.3" | |
| }, | |
| "dependencies": { | |
| "vue": "^2.6.3", | |
| "vuetify": "^1.5.0" | |
| } | |
| } |
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