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Webdriver - how can I assert that an attribute exists

I am trying to assert that a certain "id" contains a "hidden" attribute. The hidden attribute will never matter. It will exist if I clicked on a specific button, and it won't exist unless I clicked on a specific button. Here is the code:

<div id="Callback-time" hidden="">

I tried to get the attribute descriptor as follows, but I am not getting anything:

IwebElement CallBackTime = driver.FindElement(By.Id("Callback-time");
String Value = CallBackTime.GetAttribute("hidden");
System.Diagnostics.Debug.WriteLine(Value);
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Two conditions to check:

  • The button was not pressed and the attribute does not exist <div id="Callback-time">

  • the button is pressed and the attribute exists <div id="Callback-time" hidden="">



You can extract the html for an element as a string and do some basic substring validation to tell the difference

IwebElement CallBackTime = driver.FindElement(By.Id("Callback-time");
String Value = CallBackTime.GetAttribute("innerHTML");
Assert.AreEqual(Value.Contains("hidden=\"\""), true);
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