Test: refactor unit test to use data-uri instead (#16847)

test/unit/mocks/uri.js

+export const IMAGE_SUCCESS = 'data:image/png;base64,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';
+
+export const IMAGE_FAIL = 'data:image/png;base64,fail';

test/unit/specs/avatar.spec.js

-import {createTest, createVue, destroyVM} from '../util';
+import { createTest, createVue, destroyVM, wait } from '../util';
 import Avatar from 'packages/avatar';
+import { IMAGE_SUCCESS, IMAGE_FAIL } from '../mocks/uri';
 
 describe('Avatar', () => {
   let vm;
@@ -63,18 +64,18 @@ describe('Avatar', () => {
   it('image avatar', () => {
     vm = createVue({
       template: `
-        <el-avatar src="https://cube.elemecdn.com/0/88/03b0d39583f48206768a7534e55bcpng.png"></el-avatar>
+        <el-avatar src="${IMAGE_SUCCESS}"></el-avatar>
       `
     }, true);
     const imgElm = vm.$el.children[0];
     expect(imgElm.tagName.toUpperCase()).to.equal('IMG');
-    expect(imgElm.src).to.equal('https://cube.elemecdn.com/0/88/03b0d39583f48206768a7534e55bcpng.png');
+    expect(imgElm.src).to.equal(IMAGE_SUCCESS);
   });
 
-  it('image fallback', (done) => {
+  it('image fallback', async() => {
     vm = createVue({
       template: `
-        <el-avatar src="https://empty" @error="errorHandler">
+        <el-avatar src="${IMAGE_FAIL}" @error="errorHandler">
           fallback
         </el-avatar>
       `,
@@ -84,14 +85,12 @@ describe('Avatar', () => {
         }
       }
     }, true);
-    setTimeout(() => {
-      const avatarElm = vm.$el;
-      expect(avatarElm.textContent.trim()).to.equal('fallback');
-      done();
-    }, 3000);
+    await wait();
+    const avatarElm = vm.$el;
+    expect(avatarElm.textContent.trim()).to.equal('fallback');
   });
 
-  it('image fit', (done) => {
+  it('image fit', async() => {
     vm = createVue({
       template: `
         <div>
@@ -103,21 +102,18 @@ describe('Avatar', () => {
       data() {
         return {
           fits: ['fill', 'contain', 'cover', 'none', 'scale-down'],
-          url: 'https://fuss10.elemecdn.com/e/5d/4a731a90594a4af544c0c25941171jpeg.jpeg'
+          url: IMAGE_SUCCESS
         };
       }
     }, true);
-    setTimeout(() => {
-      const containerElm = vm.$el;
-      expect(containerElm.children[0].children[0].style.objectFit).to.equal('cover');
-      expect(containerElm.children[1].children[0].style.objectFit).to.equal('fill');
-      expect(containerElm.children[2].children[0].style.objectFit).to.equal('contain');
-      expect(containerElm.children[3].children[0].style.objectFit).to.equal('cover');
-      expect(containerElm.children[4].children[0].style.objectFit).to.equal('none');
-      expect(containerElm.children[5].children[0].style.objectFit).to.equal('scale-down');
-
-      done();
-    }, 3000);
+    await wait();
+    const containerElm = vm.$el;
+    expect(containerElm.children[0].children[0].style.objectFit).to.equal('cover');
+    expect(containerElm.children[1].children[0].style.objectFit).to.equal('fill');
+    expect(containerElm.children[2].children[0].style.objectFit).to.equal('contain');
+    expect(containerElm.children[3].children[0].style.objectFit).to.equal('cover');
+    expect(containerElm.children[4].children[0].style.objectFit).to.equal('none');
+    expect(containerElm.children[5].children[0].style.objectFit).to.equal('scale-down');
   });
 });
 

test/unit/specs/image.spec.js

 import { createTest, createVue, destroyVM, wait } from '../util';
 import Image from 'packages/image';
+import { IMAGE_SUCCESS, IMAGE_FAIL } from '../mocks/uri';
 
-const src = 'data:image/png;base64,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';
+const src = IMAGE_SUCCESS;
 
 describe('Image', () => {
   let vm;
@@ -28,7 +29,9 @@ describe('Image', () => {
   });
 
   it('load failed', async() => {
-    vm = createTest(Image, true);
+    vm = createTest(Image, {
+      src: IMAGE_FAIL
+    }, true);
     await wait();
     const error = vm.$el.querySelector('.el-image__error');
     expect(error).to.be.exist;