feat(core): add avatar test

packages/__tests__/mock.ts

@@ -0,0 +1,3 @@
+export const IMAGE_SUCCESS = 'data:image/png;base64,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';
+
+export const IMAGE_FAIL = 'data:image/png;base64,fail';

packages/avatar/__tests__/avatar.spec.ts

@@ -1,15 +1,80 @@
 import { mount } from '@vue/test-utils'
+import { nextTick } from 'vue'
 import Avatar from '../src/index.vue'
+import {IMAGE_SUCCESS, IMAGE_FAIL} from '../../__tests__/mock'
 
-const AXIOM = 'Rem is the best girl'
+beforeAll(() => {
+  Object.defineProperty(global.Image.prototype, 'src', {
+    set(src) {
+      const event = new Event(
+        src === IMAGE_FAIL ? 'error' : 'load'
+      )
+      nextTick(() => this.dispatchEvent(event))
+    },
+  })
+})
 
 describe('Avatar.vue', () => {
   test('render test', () => {
+    const wrapper = mount(Avatar)
+    expect(wrapper.find('.el-avatar').exists()).toBe(true)
+  })
+
+  test('size is number', () => {
     const wrapper = mount(Avatar, {
-      slots: {
-        default: AXIOM,
-      },
+      props: { size: 50},
     })
-    expect(wrapper.text()).toEqual(AXIOM)
+    expect(wrapper.attributes('style')).toContain('height: 50px')
+  })
+
+  test('size is string', () => {
+    const wrapper = mount(Avatar, {
+      props: { size: 'small'},
+    })
+    expect(wrapper.classes()).toContain('el-avatar--small')
+  })
+
+  test('shape', () => {
+    const wrapper = mount(Avatar, {
+      props: { size: 'small', shape: 'square'},
+    })
+    expect(wrapper.classes()).toContain('el-avatar--square')
+  })
+
+  test('icon avatar', () => {
+    const wrapper = mount(Avatar, {
+      props: { icon: 'el-icon-user-solid'},
+    })
+    expect(wrapper.classes()).toContain('el-avatar--icon')
+    expect(wrapper.find('i').classes()).toContain('el-icon-user-solid')
+  })
+
+  test('image avatar', () => {
+    const wrapper = mount(Avatar, {
+      props: { src: IMAGE_SUCCESS},
+    })
+    expect(wrapper.find('img').exists()).toBe(true)
+  })
+
+  test('image fallback', async () => {
+    const wrapper = mount(Avatar, {
+      props: { src: IMAGE_FAIL},
+      slots: {default: 'fallback'}
+    })
+    await nextTick()
+    expect(wrapper.emitted('error')).toBeDefined()
+    await nextTick()
+    expect(wrapper.text()).toBe('fallback')
+    expect(wrapper.find('img').exists()).toBe(false)
+  })
+
+  test('image fit', () => {
+    const fits = ['fill', 'contain', 'cover', 'none', 'scale-down']
+    for (let fit of fits) {
+      const wrapper = mount(Avatar, {
+        props: { fit, src: IMAGE_SUCCESS },
+      })
+      expect(wrapper.find('img').attributes('style')).toContain(`object-fit: ${fit};`)
+    }
   })
 })