chore: adjust path of test utils (#4997)

test/demo-test.ts

@@ -1,36 +0,0 @@
-import Vue from 'vue';
-import '../docs/site/mobile/demo-common';
-import Locale from '../src/locale';
-import { mount, later } from './utils';
-
-const empty = {
-  render(h) {
-    return h('div', [this.$slots.default]);
-  },
-  inheritAttrs: false
-};
-
-Vue.component('demo-block', empty);
-Vue.component('demo-section', empty);
-
-export default function (Demo: any, option: any = {}) {
-  test('renders demo correctly', async () => {
-    if (option.hookBeforeTest) {
-      option.hookBeforeTest();
-    }
-
-    if (Demo.i18n) {
-      Locale.add(Demo.i18n);
-    }
-
-    const wrapper = mount(Demo);
-
-    await later();
-
-    expect(wrapper).toMatchSnapshot();
-
-    if (option.hookAfterTest) {
-      option.hookAfterTest();
-    }
-  });
-}

test/demo.ts

@@ -0,0 +1,36 @@
+import Vue, { CreateElement } from 'vue';
+import '../docs/site/mobile/demo-common';
+import Locale from '../src/locale';
+import { mount, later } from '.';
+
+const Empty = {
+  render(h: CreateElement): ReturnType<CreateElement> {
+    return h('div', [(this as any).$slots.default]);
+  },
+  inheritAttrs: false
+};
+
+Vue.component('demo-block', Empty);
+Vue.component('demo-section', Empty);
+
+export function snapshotDemo(Demo: any, option: any = {}) {
+  test('renders demo correctly', async () => {
+    if (option.beforeTest) {
+      option.beforeTest();
+    }
+
+    if (Demo.i18n) {
+      Locale.add(Demo.i18n);
+    }
+
+    const wrapper = mount(Demo);
+
+    await later();
+
+    expect(wrapper).toMatchSnapshot();
+
+    if (option.afterTest) {
+      option.afterTest();
+    }
+  });
+}

test/dom.ts

@@ -32,12 +32,14 @@ function mockHTMLElementOffset() {
 
 mockHTMLElementOffset();
 
-export function mockGetBoundingClientRect(rect: ClientRect | DOMRect): Function {
+export function mockGetBoundingClientRect(
+  rect: ClientRect | DOMRect
+): Function {
   const originMethod = Element.prototype.getBoundingClientRect;
 
   Element.prototype.getBoundingClientRect = <any>jest.fn(() => rect);
 
-  return function () {
+  return function() {
     Element.prototype.getBoundingClientRect = originMethod;
   };
 }

test/index.ts

@@ -1,17 +1,26 @@
 import Vue from 'vue';
 import './transition';
-import { mount } from '@vue/test-utils';
+import { mount, TransitionStub } from '@vue/test-utils';
 import { trigger, triggerDrag } from './event';
 import { mockScrollTop, mockGetBoundingClientRect } from './dom';
 
 // prevent vue warning log
 Vue.config.silent = true;
 
+// stub transition
+Vue.component('transition', TransitionStub as any);
+
 // promisify setTimeout
-function later(delay: number = 0): Promise<void> {
+export function later(delay: number = 0): Promise<void> {
   return new Promise(resolve => {
     setTimeout(resolve, delay);
   });
 }
 
-export { mount, later, trigger, triggerDrag, mockScrollTop, mockGetBoundingClientRect };
+export {
+  mount,
+  trigger,
+  triggerDrag,
+  mockScrollTop,
+  mockGetBoundingClientRect
+};