Prototype JS-Framework behaves strange during webtest
-----------------------------------------------------
Key: WT-471
URL: http://webtest-community.canoo.com/jira/browse/WT-471
Project: WebTest
Type: Bug
Environment: Prototype JavaScript framework, version 1.6.0.2
Webtest R_1724
Reporter: Christoph Kemp
In Webtest there is a wrong behaviour of some prototype-Methods. If they work
or if they don´t work seems to depend on if you had previous usages of
prototype methods. Here is an example:
This isn´t working when called during a webtest:
$$('.buttonClass')
$$('.buttonClass') .first() //result is null
If you delete the first row, it works during a webtest:
$$('.buttonClass') .first() //result is the first element
The example in more detail and a failing webtest showing the problem:
<html>
<head>
<script type="text/javascript" src="prototype.js"></script>
<script type="text/javascript">
//double using $$ --> second call returns null (only in webtest)
function usePrototypeWithDoubleAccess()
{
$$('.buttonClass')
usePrototype()
}
//works fine in webtest
function usePrototype()
{
var myElements = $$('.buttonClass')
showMessage(myElements.first() != null)
}
function showMessage(message)
{
document.getElementById('messages').innerHTML = message;
}
</script>
</head>
<body>
In my browser (IE&FF) clicks on both buttons are doing the same (true
is shown). In Webtest the case with double use of '$$' fails. The Element in
JavaScript is null (false is shown).
<br>
<br>
<input id="buttonIdNotWorking" type="button" class="buttonClass"
onclick="usePrototypeWithDoubleAccess()" value="element not found in webtest">
<input id="buttonIdWorking" type="button" class="buttonClass"
onclick="usePrototype()" value="element found in webtest">
<br>
Element found via Prototype? <span id="messages"></span>
</body>
</html>
<?xml version="1.0"?>
<!DOCTYPE project SYSTEM "../dtd/Project.dtd">
<project default="test">
<target name="test">
<webtest name="Doesn´t work'">
<invoke url="<PATH_TO_TEST-HTML" description="Go to
Testpage"/>
<verifyElementText
htmlId="messages"
text="" />
<clickButton htmlId="buttonIdNotWorking"/>
<verifyElementText
description="Element found"
htmlId="messages"
text="true" />
</webtest>
<webtest name="This works">
<invoke
url="file:///c:/temp/prototypeproblem/test.html" description="Go to Testpage"/>
<verifyElementText
htmlId="messages"
text="" />
<clickButton htmlId="buttonIdWorking"/>
<verifyElementText
description="Element found"
htmlId="messages"
text="true" />
</webtest>
</target>
</project>
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