Question

在量角器和打字稿中使用jasmine框架，即使实际和期望值相等，也会在expect语句中得到错误，请指导哪里出错。

错误我正在

Failures:
1) Protractor Demo App should add correctly
  Message:
    Expected '3' to equal 3.
  Stack:
    Error: Failed expectation
        at Object.<anonymous> (C:\MyFiles\NewTechonologies\Protractor\TypeScript\Test\calc.ts:27:34)
        at C:\Users\skp\AppData\Roaming\npm\node_modules\protractor\node_modules\jasminewd2\index.js:112:25
        at new ManagedPromise (C:\Users\skp\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-we
bdriver\lib\promise.js:1067:7)
        at ControlFlow.promise (C:\Users\skp\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-w
ebdriver\lib\promise.js:2396:12)
        at schedulerExecute (C:\Users\skp\AppData\Roaming\npm\node_modules\protractor\node_modules\jasminewd2\in
dex.js:95:18)
        at TaskQueue.execute_ (C:\Users\skp\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-we
bdriver\lib\promise.js:2970:14)

这是我的spec.ts文件

import {browser, element, by, By, $, $$, ExpectedConditions} from 'protractor';

import protractor = require('protractor');

describe('Protractor Demo App', function() {
  var firstNumber = element(by.model('first'));
  var secondNumber = element(by.model('second'));
  var goButton = element(by.id('gobutton'));
  let value = element(by.xpath("//*[@class='table']/tbody//tr[1]/td[3]"));

  function add(a, b) {
    firstNumber.sendKeys(a);
    secondNumber.sendKeys(b);
    goButton.click();
  }

 beforeEach(function() {
    browser.get('http://juliemr.github.io/protractor-demo/');
  });

  it('should add correctly', function() {
    add(1, 2);
    browser.sleep(3000);
    expect<any>(value.getText()).toEqual(3);
  })
});

Answer 1

getText()会返回string，因此您的expect失败，因为它们具有相同的值，但类型不同。

您可以更改断言以检查字符串值： expect(value.getText()).toEqual('3');，或者您可以从getText()承诺返回值，并使用parseInt()将字符串更改为数字。

错误：期望失败 - 预期'3'等于3

1 个答案: