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Check previous test step for the existence of a value


Check previous test step for the existence of a value

Hopefully this is something that is covered off in the existing functionality of Ready API.


I have a value in the results of Test Step B which is the Amount 742.50




I simply want to check - or 'Assert' - if the value 742.50 appears in a previous Test Step (i.e. it 'exists' in the previous test step results). I know how to do Existence check (true or false) out of the box but the previous step contains a list of all kinds of amounts like 800.00 and 200.00 and 595.00 etc. 

Champion Level 2

@thatsthat, you can use XPath assertion, see

The issue is @KarelHusa the value can appear in a variety of positions .. there is not just 1 amount returned .. there are many .. so i am looking to match the current result 'anywhere' in the previous step's result.


XPath assertions work exactly for such purpose.


An XPath expression like //ns2:BuyTotal/ns2:Amount = 742.50 should work for you.


ReadyAPI will help you declare namespaces and set up the XPath expression; please look at XPath Match docs for more detail.

Thanks for your suggestion @KarelHusa but here is an example of just one of the elements I want to inspect. You can see the [1] in the response .. but there are (in this example I am looking at) 7 entries I need to check to see if a match exists. Xpath (without writing a script) can only point to 1 value .. unless I am mistaken?


${AddService#Response#declare namespace ns2=''; //ns2:AddServiceResponse[1]/ns2:Response[1]/ns2:ServiceDetail[1]/ns2:TotalCost[1]}


you can use XPath predicates in your assertion, such as:


//ns2:BuyTotal/ns2:Amount[text() = 742.50]


will select the XML element amount with a value of 742.50.


You can also check the count of nodes:


count(//ns2:BuyTotal/ns2:Amount[text() = 742.50]) > 0


XPath gives you multiple options to select the node, see e.g. .

Thanks for your patience @KarelHusa .. I will need to do some more reading it appears (thanks for the URL you sent) .. I attempted to implement your graceful solution with the count .. but no luck:


count(//ns2:BuyTotal/ns2:Amount[text() = 742.50]) > 0

But to no avail .. the below is what I am using to match a 'single' amount record that is being returned .. but I can't get it to 'count' up all the records and find if > 0 of them = 742.50


${FastSearchPackage#Response#declare namespace ns2=''; //ns2:SearchResponse[1]/ns2:Response[1]/ns2:Suppliers[1]/ns2:Supplier[1]/ns2:Products[1]/ns2:Product[1]/ns2:Rates[1]/ns2:RateTotals[1]/ns2:BuyTotal[1]/ns2:Amount[1]}



I get a 1 for 1 match .. i tried adding count blah blah but could not land the correct answer!!




I did also try with an 'Count' xpatj expression


declare namespace ns2='';
${FastSearchPackage#Response#declare namespace ns2=''; //ns2:SearchResponse[1]/ns2:Response[1]/ns2:Suppliers[1]/ns2:Supplier[1]/ns2:Products[1]/ns2:Product[1]/ns2:Rates[1]/ns2:RateTotals[1]/count(ns2:BuyTotal[1]/ns2:Amount[text()=742.50])>0}


But no joy.





relying on a fixed position (using indexes in your XPath) in XML may be fragile. Next time you may get additional elements, and your XPath will no longer work.


That's where a query helps.


What kind of response do you get if you test the following expressions:


//ns2:BuyTotal/ns2:Amount[text() = 742.50]


count(//ns2:BuyTotal/ns2:Amount[text() = 742.50]) > 0

The thing is .. this does not point to the test step I need to collect the information from .. so I believe I am not constructing the message correctly .. 


count(//ns2:BuyTotal/ns2:Amount[text() = 742.50]) > 0

So i get:

The XPath Match assertion failed for the following path: [declare namespace ns2=''; declare namespace env=''; //ns2:BuyTotal/ns2:Amount[text() = 742.50]]. Expected value: [394.50]; Actual value: [].




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