尝试使用shallowMount弄清楚如何找到数据属性并检查该属性是否存在于Vue模板中:
myVue.vue
<template>
<div>
<div data-test="apple"></div>
</div>
</template>
<script>
export default {
name: "fruit-main",
extends: registerStore(),
components: {
},
props: {
},
data() {
},
mounted() {
},
computed: {
},
methods: {
},
watch: {
}
}
</script>
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spec.js(使用 Vue Test Utils 和 mocha):
it('shows an apple', () => {
let fakeStore = new Vuex.Store({ state: {} });
const apple = shallowMount(myVue, {fakeStore}),
expect(apple).to.have.length(1);
});
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或者也许这样???
myVue.vue
<template>
<div>
<div apple></div>
</div>
</template>
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规范.js
it('shows an apple', () => {
const vue = shallowMount(myVue),
apple = vue.element.getAttribute('apple')
expect(apple).to.exist
// or expect(apple).to.have.length(1); - which is how you'd do it with enzyme but I'm not sure yet what getAttribute returns yet
});
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但我不知道该怎么做,显然这是不对的。我是一名酶和 React 专家,试图弄清楚如何基本上使用 Vue 进行相同类型的测试。
注意:我仅将shallowMount 用于TDD,我对mount() 不感兴趣,并且我现在不打算在这篇文章中争论这一点。我只是在这里寻求关于shallowMount 的帮助以及如何为我的测试找到要断言的数据属性。
使用包装器attribute()假设数据集位于包装器本身中。
IE。
import FruitMain from '@components/FruitMain.vue'
import { shallowMount } from '@vue/test-utils'
describe('@components/FruitMain.vue', () => {
it('shows an apple', () => {
// We are assuming the FruitMain component receives a 'fruit' prop.
const wrapper = shallowMount(FruitMain, { propsData: { fruit: 'apple' } })
// Has the correct starting data fruit
expect(wrapper.attributes()['data-fruit']).toBe('apple')
// Has the correct fruit value when props change
// wrapper.setProps({ fruit: 'banana' })
// expect(wrapper.attributes()['data-fruit']).toBe('banana')
})
})
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要搜索具有数据集的子项,请使用contains()。
import FruitMain from '@components/FruitMain.vue'
import { shallowMount } from '@vue/test-utils'
describe('@components/FruitMain.vue', () => {
it('shows an apple', () => {
// We are assuming the FruitMain component receives a 'fruit' prop.
const wrapper = shallowMount(FruitMain, { propsData: { fruit: 'apple' } })
// Has a data fruit
expect(wrapper.contains('[data-fruit]')).toBe(true) // or [data-fruit="apple"]
})
})
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