fix(picker-view): 初始化展示日期为静态值，避免每次截图不同、日期相同导致不滚动

pages/component/picker-view/picker-view.test.js

-
 const PAGE_PATH = '/pages/component/picker-view/picker-view'
-let page,pickerViewEl;
+let page, pickerViewEl;
 describe('PickerView.uvue', () => {
   beforeAll(async () => {
     page = await program.reLaunch(PAGE_PATH)
@@ -14,16 +13,22 @@ describe('PickerView.uvue', () => {
   })
 
   async function toScreenshot(imgName) {
-    const image = await program.screenshot({fullPage: true});
-    expect(image).toSaveImageSnapshot({customSnapshotIdentifier() {
+    const image = await program.screenshot({
+      fullPage: true
+    });
+    expect(image).toSaveImageSnapshot({
+      customSnapshotIdentifier() {
         return imgName
-    }})
+      }
+    })
     await page.waitFor(500);
   }
 
   it('value', async () => {
     await page.callMethod('setValue')
     await page.waitFor(1000)
+
+
     const newValue1 = await pickerViewEl.property('value')
     // TODO
     expect(newValue1.toString()).toEqual('0,0,0')
@@ -58,27 +63,31 @@ describe('PickerView.uvue', () => {
     await toScreenshot('picker-view-indicator-style')
   })
 
-  if(process.env.uniTestPlatformInfo.startsWith('web')){
+  if (process.env.uniTestPlatformInfo.startsWith('web')) {
     // indicator-class、mask-style、mask-class 仅web支持
     it('indicator-class', async () => {
       await page.setData({
-        indicatorStyle:"",//清空indicatorStyle
-        indicatorClass:"indicator-test",//设置indicatorClass为indicator-test
+        indicatorStyle: "", //清空indicatorStyle
+        indicatorClass: "indicator-test", //设置indicatorClass为indicator-test
       })
       expect(await pickerViewEl.attribute('indicatorClass')).toBe("indicator-test")
       await toScreenshot('picker-view-web-indicator-class')
       await page.setData({
-        indicatorClass:"",//清空indicatorClass
+        indicatorClass: "", //清空indicatorClass
       })
     })
     it('mask-style', async () => {
       const maskStyle = "background-image: linear-gradient(to bottom, #d8e5ff, rgba(216, 229, 255, 0));"
-      await page.setData({maskStyle})
+      await page.setData({
+        maskStyle
+      })
       expect(await pickerViewEl.attribute('maskStyle')).toBe(maskStyle)
       await toScreenshot('picker-view-web-mask-style')
     })
     it('mask-class', async () => {
-      await page.setData({maskClass:"mask-test"})
+      await page.setData({
+        maskClass: "mask-test"
+      })
       expect(await pickerViewEl.attribute('maskClass')).toBe("mask-test")
       await toScreenshot('picker-view-web-mask-class')
     })
@@ -121,7 +130,7 @@ describe('PickerView.uvue', () => {
       await page.callMethod('setValue')
       await page.waitFor(1500)
       const eventCallbackNum = await page.callMethod('getEventCallbackNum')
-      // 3 times 3*3
+      // 年月日滚动三次，测试 e.tagName +1 和 e.type+2，正常为9
       expect(eventCallbackNum).toBe(9)
     })
   }

pages/component/picker-view/picker-view.uvue

@@ -27,13 +27,13 @@
   import { state, setEventCallbackNum } from '@/store/index.uts'
   export default {
     data() {
-      const date = new Date()
+      // 20180112 HBuilderX内测开始 :)
       const _years : number[] = []
-      const _year = date.getFullYear()
+      const _year = 2018
       const _months : number[] = []
-      const _month : number = date.getMonth() + 1
+      const _month : number = 1
       const _days : number[] = []
-      const _day = date.getDate()
+      const _day = 12
       for (let i = 2000; i <= _year; i++) {
         _years.push(i)
       }
@@ -72,8 +72,8 @@
         setEventCallbackNum(num)
       },
       bindChange(e : UniPickerViewChangeEvent) {
-        // 自动化测试
-        console.log(e.target?.tagName, e.type);
+        // 自动化测试 触发事件元素、type 类型
+        // console.log(e.target?.tagName, e.type);
         if ((e.target?.tagName ?? '').includes('PICKER-VIEW')) {
           this.setEventCallbackNum(state.eventCallbackNum + 1)
         }
@@ -87,7 +87,7 @@
         this.day = this.days[val[2]]
       },
       setValue() {
-        this.value = [0, 0, 0] as number[]
+        this.value = [0, 1, 30] as number[]
       },
       setValue1() {
         this.value = [10, 10, 10] as number[]