如何使用打字稿在量角器和黄瓜中传递动态xpath

Question

我想在我的 xpath 中动态传递一个参数。对于页面对象，我创建了一个 class 并在我的步骤定义中调用它。请看下面

下面是我的代码和错误信息

//this is my page object
export class accountPage{

    accountNo: string;
    public accountNumberLabel = element(by.xpath('//span[text()=" '+this.accountNo+' "]'))



    async getAccountNumberLabel(): Promise<string>{
        return await Promise.resolve(this.accountNumberLabel.getText());
    }   
}

//and this is my step definition

const accountpage = new new accountPage();

Then('I assert the row  {string} for {string}',async(account_number, account_value)=>{
    accountpage.accountNo = account_number;
    await browser.sleep(2000);
    if(searchKey.includes("account_number")){
        assert.equal(await accountpage.getAccountNumberLabel(),account_value);
    }
});```

//I am receiving an error 
NoSuchElementError: No element found using locator: By(xpath, //span[text()=" undefined "])

when I read the value console.log(accountpage.accountNo) it is returning correct value

Answer 1

问题 1：

`this.accountNo` is undefined.

第 2 期：

使用模板文字连接字符串。

element(by.xpath(`//span[text()='${this.accountNo}']`))

检查控制台中是否有两个空格。我的意思是未定义之前和之后

NoSuchElementError: No element found using locator: By(xpath, //span[text()=" undefined "]

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