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@elgalu elgalu/waitAbsent.js
Created Nov 27, 2014

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Actively wait for an element to disappear either by becoming invisible or by not being present. Wait up to specTimeoutMs ignoring useless webdriver errors like StaleElementError.
/**
* Actively wait for an element to disappear either by becoming
* invisible or by not being present. Wait up to specTimeoutMs
* ignoring useless webdriver errors like StaleElementError.
*
* Usage:
* Add `require('./waitAbsent.js');` in your onPrepare block or file.
*
* @example
* expect($('.some-html-class').waitAbsent()).toBeTruthy();
*/
"use strict";
// Config
var specTimeoutMs = 10000; // 10 seconds
/**
* Current workaround until https://github.com/angular/protractor/issues/1102
* @type {Function}
*/
var ElementFinder = $('').constructor;
ElementFinder.prototype.waitAbsent = function() {
var self = this;
var driverWaitIterations = 0;
var lastWebdriverError;
function _throwError() {
throw new Error("Expected '" + self.locator().toString() +
"' to be absent or at least not visible. " +
"After " + driverWaitIterations + " driverWaitIterations. " +
"Last webdriver error: " + lastWebdriverError);
};
function _isPresentError(err) {
lastWebdriverError = (err != null) ? err.toString() : err;
// If there is an error trying to get the element the assume is gone
return true;
};
return browser.driver.wait(function() {
driverWaitIterations++;
return self.isPresent().then(function(present) {
if (present) {
return self.isDisplayed().then(function(visible) {
lastWebdriverError = 'visible:' + visible;
return !visible;
}, _isPresentError);
} else {
lastWebdriverError = 'present:' + present;
return true;
}
}, _isPresentError);
}, specTimeoutMs).then(function(waitResult) {
if (!waitResult) { _throwError() };
return waitResult;
}, function(err) {
_isPresentError(err);
_throwError();
return false;
});
};
@jrharshath

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jrharshath commented Jul 25, 2016

This, and waitReady, are great utility functions to have! Thanks for this. Also, looks like angular/protractor#1102 is resolved after this PR angular/protractor#1633.

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