The closure appears to be ineffective

Here is my current code snippet:

private isLogged(): boolean {
    //check cookie here
    let logged: boolean;
    browser.manage().getCookies().then((cookies: IWebDriverOptionsCookie[]) => {
       if (cookies.length == 0) {
        console.log('Is Not Logged');
        console.log('My cookies', cookies);
        logged = false;
    });
    console.log('isLogged: ' , logged);
    return logged;
}

Upon executing this code, the value of "logged" variable is:

   undefined

I can see the messages "Is Not Logged" and "My cookies" being displayed.

Could it be that there is a simple mistake that I am overlooking due to tiredness?

javascripttypescriptprotractor

Answer №1

Upon calling the isLogged() function and exiting it, keep in mind that the promise returned by the browser.manage().getCookies() method has not been resolved yet. This explains why the variable logged remains unset.

To address this issue, modify the isLogged function to return a promise as shown below:

private isLogged(): boolean {
    return browser.manage().getCookies().then(function (cookies) {
      if (cookies.length == 0) {
        console.log('Is Not Logged');
        return false
      } else {
        console.log('Is Logged');
        console.log('My cookies', cookies);
        return true
      }
    });
}

Then, resolve the promise when the value is required like so:

isLogged().then(function (isLogged) {
    console.log(isLogged);
});

To dive deeper into promises within Protractor, refer to the documentation page on Promises and the Control Flow.

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