undefined method error in ruby selenium

Question

I am using ruby with selenium and my code is as follows:

$num=1
def isElementPresent(xpathExpression)
  [email protected]_elements(:xpath,xpathExpression)

  if (allElements.size==0)
    return true
    end
  else
    return false
  end

  while Demo.isElementPresent(str1+$num.to_s+str2)
    [email protected]_element(:xpath,str1+$num.to_s+str2).text
    $num+=1
    puts "text is:#{text}"
    @driver.find_element(:xpath,str1+$num.to_s+str2).click
    puts @driver.title
    @driver.navigate.back
  end
end

I'm getting an undefined method error for while Demo.isElementPresent(str1+$num.to_s+str2).

Any help is appreciated

Prateek · Accepted Answer · 2016-02-25 17:53:59Z

0

As per my understanding, Your condition should be:

if (allElements.size>0)
return true

As if size is 0. That means no element is present.

Also, in this case your function definition should end before you are calling it. Try following code:

$num=1
def isElementPresent(xpathExpression)
  [email protected]_elements(:xpath,xpathExpression)
  if (allElements.size>0)
    return true
  end
  else
    return false
  end
end
while isElementPresent(str1+$num.to_s+str2) do
    [email protected]_element(:xpath,str1+$num.to_s+str2).text
    $num+=1
    puts "text is:#{text}"
    @driver.find_element(:xpath,str1+$num.to_s+str2).click
    puts @driver.title
    @driver.navigate.back
end

Here I have made two changes: First, for the condition I explained about and Second, Ending the definition of function before your loop.

Please let me know if it works as intended.

edited Feb 25, 2016 at 17:53

answered Feb 24, 2016 at 18:43

Prateek

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2 Comments

user881928 Over a year ago

error is of undefined method.That means isElementPresent is undefined. I need help for this

Prateek Over a year ago

I don't think you'd need Demo for calling function.

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