test(API): navigator

pages/API/navigator/navigator.test.js

 jest.setTimeout(40000)
 const CURRENT_PAGE_PATH = '/pages/API/navigator/navigator'
+const CHILD1_PAGE_PATH = '/pages/API/navigator/new-page/new-page-1'
+const CHILD2_PAGE_PATH = '/pages/API/navigator/new-page/new-page-2'
 
 describe('navigator', () => {
   let page
@@ -102,6 +104,20 @@ describe('navigator', () => {
     expect(lifeCycleNum).toBe(2)
   })
 
+  it('navigateBackWithDelta2', async () => {
+    await page.callMethod('setLifeCycleNum', 0)
+    await program.navigateTo(CHILD2_PAGE_PATH)
+    await page.waitFor(500)
+    page = await program.navigateTo(CHILD1_PAGE_PATH)
+    await page.waitFor(500)
+    await page.callMethod('navigateBackWithDelta2')
+    await page.waitFor(500)
+    page = await program.currentPage()
+    expect(`/${page.path}`).toBe(CURRENT_PAGE_PATH)
+    lifeCycleNum = await page.callMethod('getLifeCycleNum')
+    expect(lifeCycleNum).toBe(10)
+  })
+
   it('navigateBackWithDelta100', async () => {
     page = await program.reLaunch(CURRENT_PAGE_PATH)
     await page.callMethod('setLifeCycleNum', 0)

pages/API/navigator/navigator.uvue

 <template>
   <view>
     <page-head title="navigate"></page-head>
-    <view class="uni-padding-wrap uni-common-mt">
+    <view class="uni-padding-wrap uni-common-mt uni-common-mb">
       <view class="direction-row">
         <text class="label">onLoad触发时间戳:</text>
         <text>{{ onLoadTime }}</text>
@@ -37,6 +37,9 @@
         <button @tap="customAnimation" class="uni-btn">
           使用自定义动画打开页面
         </button>
+        <button @tap="navigateToErrorPage" class="uni-btn">
+          打开不存在的页面
+        </button>
       </view>
     </view>
   </view>
@@ -128,6 +131,10 @@ export default {
         },
         fail(error) {
           console.log('navigateTo fail', error.errMsg)
+          uni.showToast({
+            title: error.errMsg,
+            icon: 'none',
+          })
           // 自动化测试
           setLifeCycleNum(state.lifeCycleNum + 1)
         },

pages/API/navigator/new-page/new-page-1.uvue

@@ -3,6 +3,9 @@
     <page-head title="new-page-1" />
     <text>onLoad 接收到参数</text>
     <text>data: {{ data }}</text>
+    <button @tap="navigateBackWithDelta2" class="uni-btn">
+      回退到上上层页面
+    </button>
   </view>
 </template>
 
@@ -24,6 +27,17 @@ export default {
     getLifeCycleNum(): number {
       return state.lifeCycleNum
     },
+    navigateBackWithDelta2() {
+      uni.navigateBack({
+        delta: 2,
+        success() {
+          console.log('回退上上层页面成功')
+        },
+        fail(error) {
+          console.warn(`回退上上层页面失败: ${error.errMsg}`)
+        },
+      })
+    },
   },
 }
 </script>

pages/API/navigator/new-page/new-page-2.test.js

@@ -37,7 +37,7 @@ describe('page-lifecycle', () => {
   })
   // TODO: pageScrollTo 无法触发 onReachBottom, 待修复后调整 lifeCycleNum
   it('onPageScroll onReachBottom', async () => {
-    await program.pageScrollTo(1200)
+    await program.pageScrollTo(2000)
     const data = await page.data()
     expect(data.isScrolled).toBe(true)
     lifeCycleNum = await page.callMethod('getLifeCycleNum')

pages/API/navigator/new-page/new-page-2.uvue

@@ -70,11 +70,11 @@ export default {
         },
       })
     },
-		pageScrollTo(){
+    pageScrollTo() {
       uni.pageScrollTo({
-				scrollTop: 1200
+        scrollTop: 2000,
       })
-		}
+    },
   },
 }
 </script>