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104 lines
2.8 KiB
TypeScript
104 lines
2.8 KiB
TypeScript
import { mount } from '@vue/test-utils'
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import Image from '../src/index.vue'
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import { nextTick } from 'vue'
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import { IMAGE_SUCCESS, IMAGE_FAIL, mockImageEvent } from '../../test-utils/mock'
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// firstly wait for image event
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// secondly wait for vue render
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async function doubleWait() {
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await nextTick()
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await nextTick()
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}
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describe('Image.vue', () => {
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mockImageEvent()
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test('render test', () => {
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const wrapper = mount(Image)
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expect(wrapper.find('.el-image').exists()).toBe(true)
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})
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test('image load success test', async () => {
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const alt = 'this ia alt'
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const wrapper = mount(Image, {
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props: {
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src: IMAGE_SUCCESS,
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alt,
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},
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})
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expect(wrapper.find('.el-image__placeholder').exists()).toBe(true)
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await doubleWait()
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expect(wrapper.find('.el-image__inner').exists()).toBe(true)
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expect(wrapper.find('img').exists()).toBe(true)
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expect(wrapper.find('.el-image__placeholder').exists()).toBe(false)
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expect(wrapper.find('.el-image__error').exists()).toBe(false)
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})
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test('image load error test', async () => {
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const wrapper = mount(Image, {
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props: {
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src: IMAGE_FAIL,
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},
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})
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await doubleWait()
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expect(wrapper.emitted('error')).toBeDefined()
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expect(wrapper.find('.el-image__inner').exists()).toBe(false)
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expect(wrapper.find('img').exists()).toBe(false)
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expect(wrapper.find('.el-image__error').exists()).toBe(true)
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})
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test('imageStyle fit test', async () => {
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const fits = ['fill', 'contain', 'cover', 'none', 'scale-down']
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for (const fit of fits) {
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const wrapper = mount(Image, {
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props: { fit, src: IMAGE_SUCCESS },
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})
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await doubleWait()
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expect(wrapper.find('img').attributes('style')).toContain(`object-fit: ${fit};`)
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}
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})
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test('preview classname test', async () => {
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const wrapper = mount(Image, {
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props: {
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fit: 'cover',
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src: IMAGE_SUCCESS,
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previewSrcList: new Array(3).fill(IMAGE_SUCCESS),
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},
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})
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await doubleWait()
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expect(wrapper.find('img').classes()).toContain('el-image__preview')
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})
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test('$attrs', async () => {
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const alt = 'this ia alt'
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const wrapper = mount(Image, {
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props: {
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src: IMAGE_SUCCESS,
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alt,
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referrerpolicy: 'origin',
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},
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})
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await doubleWait()
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expect(wrapper.find('img').attributes('alt')).toBe(alt)
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expect(wrapper.find('img').attributes('referrerpolicy')).toBe('origin')
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})
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test('pass event listeners', async() => {
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let result = false
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const wrapper = mount(Image, {
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props: {
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src: IMAGE_SUCCESS,
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onClick: () => result = true,
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},
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})
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await doubleWait()
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await wrapper.find('.el-image__inner').trigger('click')
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expect(result).toBeTruthy()
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})
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//@todo lazy image test
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})
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