我试图在 Protractor 中测试 ionic 后退按钮,事实证明这真的很困难,因为有两个几乎相同的 div。起初我试图通过id来识别,但是当我实际查看生成的代码时,有两个版本具有相同的id。
Protractor 代码:
this.showBackButton=function (arg1) {
var back = $('button.back-button');
browser.wait(EC.presenceOf(back), wait);
return expect(back.getText()).toContain(arg1);
};
this.showBackButton('Back');
生成的 html:
<div class="nav-bar-block" nav-bar="active">
<ion-header-bar class="bar-royal bar bar-header" align-title="center">
<button id="bB" ng-click="$ionicGoBack()" class="button back-button buttons button-clear header-item">
<i class="icon ion-ios-arrow-back"></i>
<span id="unique"> </span>
<span class="back-text" style="transform: translate3d(0px, 0px, 0px);">
<span class="default-title">Back</span>
<span class="previous-title hide">undefined</span>
</span>
</button>
<div class="buttons buttons-left header-item">
<span class="left-buttons">
<button class="button button-icon button-clear ion-navicon hide" menu-toggle="left">
</button>
</span>
</div>
<div class="title title-center header-item" style="transform: translate3d(0px, 0px, 0px); left: 193px; right: 193px;">
</div>
<div class="buttons buttons-right">
<span class="secondary-buttons">
<button class="button button-stable ng-binding" ng-click="showQR()">
Show My rCard
</button>
<!-- ngIf: isOnline() && !isSelfServiceEnabled() --><button class="button button-stable ng-binding" ng-if="isOnline() & amp; & amp; !isSelfServiceEnabled()" ng-click="showBalance()">
Balance
</button><!-- end ngIf: isOnline() && !isSelfServiceEnabled() -->
</span>
</div>
</ion-header-bar>
</div>
<div class="nav-bar-block" nav-bar="cached">
<ion-header-bar class="bar-royal bar bar-header" align-title="center">
<button id="bB" ng-click="$ionicGoBack()" class="button back-button buttons button-clear header-item" style="opacity: 0;">
<i class="icon ion-ios-arrow-back"></i>
<span id="unique"> </span>
<span class="back-text" style="transform: translate3d(0px, 0px, 0px); opacity: 0;">
<span class="default-title">Back</span>
<span class="previous-title hide">undefined</span>
</span>
</button>
<div class="buttons buttons-left header-item" style="opacity: 0;">
<span class="left-buttons">
<button class="button button-icon button-clear ion-navicon hide" menu-toggle="left">
</button>
</span>
</div>
<div class="title title-center header-item" style="transform: translate3d(-172.77px, 0px, 0px); left: 68px; right: 68px; opacity: 0;"></div>
<div class="buttons buttons-right" style="opacity: 0;"></div>
</ion-header-bar>
</div>
Protractor 故障:
Failures:
1) r2% -- FEATURE_NAME Scenario: We identify and charge a customer
Message:
Expected '' to contain 'Back'.
Stack:
Error: Failed expectation
at E:\xampp\htdocs\cgf\rcredits-mobile\r2.js:212:53
at ManagedPromise.invokeCallback_ (C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:1366:14)
at TaskQueue.execute_ (C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:2970:14)
at TaskQueue.executeNext_ (C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:2953:27)
at asyncRun (C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:2813:27)
at C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:676:7
at process._tickCallback (internal/process/next_tick.js:103:7)
Message:
Expected '' to contain 'Back'.
Stack:
Error: Failed expectation
at E:\xampp\htdocs\cgf\rcredits-mobile\r2.js:212:53
at ManagedPromise.invokeCallback_ (C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:1366:14)
at TaskQueue.execute_ (C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:2970:14)
at TaskQueue.executeNext_ (C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:2953:27)
at asyncRun (C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:2813:27)
at C:\Users\Someone\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\promise.js:676:7
at process._tickCallback (internal/process/next_tick.js:103:7)
最佳答案
你能试试这个吗?因为这在您的案例中似乎是独一无二的
$('div[nav-bar="active"] ion-header-bar button#id="bB"')
我已经根据父元素的唯一性返回了这个 CSS 选择器 <div>
具有“导航栏”属性。
希望这会奏效。
关于angularjs - 在 ionic 应用程序中使用 Protractor 测试后退按钮会产生错误 : Expected '' to contain 'Back' ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43239628/