vue2/test/unit/features/global-api/observable.spec.ts

35 lines
729 B
TypeScript

import Vue from 'vue'
describe('Global API: observable', () => {
it('should work', done => {
const state = Vue.observable({
count: 0
})
const app = new Vue({
render(h) {
return h('div', [
h('span', state.count),
h(
'button',
{
on: {
click: () => {
state.count++
}
}
},
'+'
)
])
}
}).$mount()
expect(app.$el.querySelector('span').textContent).toBe('0')
app.$el.querySelector('button').click()
waitForUpdate(() => {
expect(app.$el.querySelector('span').textContent).toBe('1')
}).then(done)
})
})