/
create-local-vue.spec.js
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/
create-local-vue.spec.js
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import Vue from 'vue'
import Vuex from 'vuex'
import VueRouter from 'vue-router'
import { createLocalVue } from 'packages/test-utils/src'
import Component from '~resources/components/component.vue'
import ComponentWithVuex from '~resources/components/component-with-vuex.vue'
import ComponentWithRouter from '~resources/components/component-with-router.vue'
import ComponentWithSyncError from '~resources/components/component-with-sync-error.vue'
import ComponentWithAsyncError from '~resources/components/component-with-async-error.vue'
import { describeWithShallowAndMount, vueVersion } from '~resources/utils'
import { itDoNotRunIf, itSkipIf } from 'conditional-specs'
describeWithShallowAndMount('createLocalVue', mountingMethod => {
it('installs Vuex without polluting global Vue', () => {
const localVue = createLocalVue()
localVue.use(Vuex)
const store = new Vuex.Store({
state: {
test: 0
},
mutations: {
increment() {}
}
})
const wrapper = mountingMethod(Component, { localVue, store })
expect(wrapper.vm.$store).toBeTruthy()
const freshWrapper = mountingMethod(Component)
expect(typeof freshWrapper.vm.$store).toEqual('undefined')
})
it('Vuex should work properly with local Vue', async () => {
const localVue = createLocalVue()
localVue.use(Vuex)
const store = new Vuex.Store({
state: {
count: 0
},
mutations: {
increment(state) {
state.count++
}
},
modules: {
foo: {
state: () => ({ bar: 1 })
}
}
})
const wrapper = mountingMethod(ComponentWithVuex, { localVue, store })
expect(wrapper.vm.$store).toBeTruthy()
expect(wrapper.text()).toEqual('0 1')
await wrapper.trigger('click')
expect(wrapper.text()).toEqual('1 1')
})
it('installs Router without polluting global Vue', () => {
const localVue = createLocalVue()
localVue.use(VueRouter)
const routes = [{ path: '/foo', component: Component }]
const router = new VueRouter({
routes
})
const wrapper = mountingMethod(Component, { localVue, router })
expect(wrapper.vm.$route).toBeTruthy()
const freshWrapper = mountingMethod(Component)
expect(typeof freshWrapper.vm.$route).toEqual('undefined')
})
itDoNotRunIf(
mountingMethod.name === 'shallowMount',
'Router should work properly with local Vue',
async () => {
const localVue = createLocalVue()
localVue.use(VueRouter)
const routes = [
{
path: '/',
component: {
render: h => h('div', 'home')
}
},
{
path: '/foo',
component: {
render: h => h('div', 'foo')
}
}
]
const router = new VueRouter({
routes
})
const wrapper = mountingMethod(ComponentWithRouter, { localVue, router })
expect(wrapper.vm.$route).toBeTruthy()
expect(wrapper.text()).toContain('home')
await wrapper.find('a').trigger('click')
expect(wrapper.text()).toContain('foo')
const freshWrapper = mountingMethod(Component)
expect(typeof freshWrapper.vm.$route).toEqual('undefined')
}
)
it('use can take additional arguments', () => {
const localVue = createLocalVue()
const pluginOptions = { foo: 'bar' }
const plugin = {
install: function(_Vue, options) {
expect(options).toEqual(pluginOptions)
}
}
localVue.use(plugin, pluginOptions)
})
it('installs plugin into local Vue regardless of previous install in Vue', () => {
let installCount = 0
class Plugin {}
Plugin.install = function(_Vue) {
if (_Vue._installedPlugins) {
expect(_Vue._installedPlugins.indexOf(Plugin)).toEqual(-1)
}
installCount++
}
Vue.use(Plugin)
const localVue = createLocalVue()
localVue.use(Plugin)
if (localVue._installedPlugins) {
expect(localVue._installedPlugins.indexOf(Plugin)).toEqual(0)
}
expect(installCount).toEqual(2)
})
itSkipIf(
vueVersion < 2.4,
'Calls `errorHandler` when an error is thrown synchronously',
() => {
const errorHandler = jest.fn()
const localVue = createLocalVue({
errorHandler
})
try {
mountingMethod(ComponentWithSyncError, { localVue })
} catch (e) {
// asserting arguments is a bit difficult due to multiple Vue version support. Please see https://vuejs.org/v2/api/#errorHandler for more details
expect(errorHandler).toHaveBeenCalledTimes(1)
}
}
)
itSkipIf(
process.env.TEST_ENV === 'browser' || vueVersion < 2.6,
'Calls `errorHandler` when an error is thrown asynchronously',
async () => {
const errorHandler = jest.fn()
const localVue = createLocalVue({
errorHandler
})
try {
mountingMethod(ComponentWithAsyncError, { localVue })
await Vue.nextTick()
await setTimeout()
} finally {
// asserting arguments is a bit difficult due to multiple Vue version support. Please see https://vuejs.org/v2/api/#errorHandler for more details
expect(errorHandler).toHaveBeenCalledTimes(1)
}
}
)
})