all files / tests/unit/ slides.spec.js

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import chai, { expect } from "chai";
import Vue from 'vue'
import sinon from 'sinon'
import sinonChai from 'sinon-chai'
chai.use(sinonChai)
import { shallowMount, mount } from "@vue/test-utils"
import Slides from "@/slides/slides.vue"
import SlidesItem from "@/slides/slides-item.vue"
 
describe("Slides.vue", () => {
    it('存在.', () => {
        expect(Slides).to.exist
    })
 
    it('默认展示第一个', (done) => {
        Vue.component('GSlidesItem', SlidesItem)
        const wrapper = mount(Slides, {
            slots: {
                default:`
                <g-slides-item name="0">
                    <div class="box1">0</div>
                </g-slides-item>
                <g-slides-item name="1">
                    <div class="box2">1</div>
                </g-slides-item>
                <g-slides-item name="2">
                    <div class="box3">2</div>
                </g-slides-item>`
            },
            propsData: {
                autoPlay: false
            }
        })
        setTimeout(() => {
            expect(wrapper.find('.box1').exists()).to.be.true
            done()
        })
    })
    it('value是几就展示第几个', (done) => {
        Vue.component('GSlidesItem', SlidesItem)
        const wrapper = mount(Slides, {
            slots: {
                default:`
                <g-slides-item name="0">
                    <div class="box1">0</div>
                </g-slides-item>
                <g-slides-item name="1">
                    <div class="box2">1</div>
                </g-slides-item>
                <g-slides-item name="2">
                    <div class="box3">2</div>
                </g-slides-item>`
            },
            propsData: {
                autoPlay: false,
                value:'1'
            }
        })
        setTimeout(() => {
            expect(wrapper.find('.box2').exists()).to.be.true
            done()
        })
    })
 
    it('点击第二个展示第二个', (done) => {
        Vue.component('GSlidesItem', SlidesItem)
        const wrapper = mount(Slides, {
            slots: {
                default:`
                <g-slides-item name="0">
                    <div class="box1">0</div>
                </g-slides-item>
                <g-slides-item name="1">
                    <div class="box2">1</div>
                </g-slides-item>
                <g-slides-item name="2">
                    <div class="box3">2</div>
                </g-slides-item>`
            },
            propsData: {
                autoPlay: false,
                value:'0'
            },
            listeners: {
                'input': (x) => {
                    expect(x).to.be.eq('1')
                }
            }
        })
        setTimeout(() => {
            wrapper.find('[data-index="2"]').trigger('click')
            done()
        })
    })
 
    it('自动播放', (done) => {
        const callback = sinon.fake()
        Vue.component('GSlidesItem', SlidesItem)
        const wrapper = mount(Slides, {
            slots: {
                default:`
                <g-slides-item name="0">
                    <div class="box1">0</div>
                </g-slides-item>
                <g-slides-item name="1">
                    <div class="box2">1</div>
                </g-slides-item>
                <g-slides-item name="2">
                    <div class="box3">2</div>
                </g-slides-item>`
            },
            propsData: {
                autoPlay: true,
                value:'0',
                autoPlayTime:500
            },
            listeners: {
                'input':callback
            }
        })
        setTimeout(() => {
            expect(callback).to.have.been.called
 
            //callback接收的参数'1'
            expect(callback).to.have.been.calledWith('1')
            done()
        },600)
    })
})