Forum Discussion

Community Hero

7 years ago

Passing a json node (rather than the node's value) to a Property

Hi, I need to grab a node name rather than the value from a .json request and pass it onto a subsequent .json request's body. I have 2 api's I need to test. 1 is a POST followed by a GET....

New2API

7 years ago

richie, here is one more method to execute a REST step for multiple UIDs. In this example I have used your response with 3 different UIDs.

I saved below response in a text file and reading it from there.

{
   "$id" : "1",
   "1826d9a8-f542-e811-8120-5065f38b0571" : {
      "$id" : "2",
      "StatusCode" : 0,
      "Outcome" : "NewCall"
   },
   "beb19fbb-f542-e811-8120-5065f38b0571" : {
      "$id" : "3",
      "StatusCode" : 0,
      "Outcome" : "NewCall"
   },
   "ffe022cc-f542-e811-8120-5065f38b0571" : {
      "$id" : "4",
      "StatusCode" : 0,
      "Outcome" : "NewCall"
   }
}

groovy script to extract GUIDs and iterate through them and execute RestTestStep for each GUID.

import groovy.json.JsonSlurper

def response = new File("c://users//XXXX//desktop//response.txt").text
def json = new JsonSlurper().parseText response 

def i = 0
def UID = []

json.each{
	     if(it.key !='$id'){
                              UID += it.key	                      
	     }
	     i++
   
}


log.info UID //## Array with 3 unique IDs ##//



def j=0
def uniqueId

UID.each{
	    //##Update TestCase Property with UID ##//
	     uniqueId = UID[j]            
          testRunner.testCase.setPropertyValue("uniqueId", UID[j]) //store in a testcase property and then use this in subsequesnt RestTestStep//
          
          log.info "Executing RestStep for UID- $uniqueId"
          testRunner.runTestStepByName("YourRESTTestStep") // Execute RestStep Here //
j++
}

richie
7 years ago
New2API

WOW! - thanks so much!

Really appreciate all the effort you made on my behalf!

richie!

Bill_In_Irvine

Contributor

Have you tried using the JsonBuilder?

It seems you need a property expansion on the node, in effect making the node a property you can vary. I do property expansions on the value side and don't have a project to test out the concept below but here is an outline that maybe you can try:

import groovy.json.JsonBuilder
 
def json = new JsonBuilder()
 
def nodeName = context.expand('${#Project#CPnode_name}').toString()
 
def id1 = "1"
def id2 = "2"
def Outcome = "NewCall"
def StatusCode = "0"
 
def nodeValue = json "$id" : id2,
                           StatusCode : StatusCode,
                           Outcome : Outcome
 
def root = json "$id" : id1,
                 "$nodeName" nodeValue
 
def restRequest = testRunner.testCase.getTestStepByName(" < your test step name > ");
restRequest.setPropertyValue('Request', json.toString())

so that you should be able to get the unique alpha numeric ID variable substituted for $nodeName from the expansion.

Like I say, I did not test it.

richie

Community Hero

7 years ago

Bill_In_Irvine@New2API,

guys - thanks so much - I've tried both options but I'm still struggling so would welcome if you could answer some follow up questions based on your scripts.

@Bill_In_Irvine

I edited your script as you suggested, but I'm getting a runtime error

The edited script is as follows:

import groovy.json.JsonBuilder
 
def json = new JsonBuilder()
def nodeName = context.expand('${#Project#CPnode_name}').toString()
 
def id1 = "1"
def id2 = "2"
def Outcome = "NewCall"
def StatusCode = "0"
 
def nodeValue = json "$id" : id2,
                           StatusCode : StatusCode,
                           Outcome : Outcome
 
def root = json "$id" : id1,
                 "$nodeName" nodeValue
 
def restRequest = testRunner.testCase.getTestStepByName("GET Request - GET EOD Results");
restRequest.setPropertyValue('Request', json.toString())

Runtime error at line 12 which is the line that contains

def nodeValue = json "$id" : id2,

The error response is 'MissingPropertyException: No such property: id for class:'

I'm sorry my groovy is rubbish - I've tried playing around with the line and the one before and after it - but I've had no luck. Can you advise?

So - that's the questions for Bill_In_Irvine all done

New2API

I updated your script to the following - but I'm struggling to write the data out to a property - your script is below:

import net.sf.json.groovy.*
import groovy.json.JsonSlurper

def responseCntent = context.expand( '${REST Request - GET EOD Results#Response}' )

def json = new JsonSlurper().parseText responseCntent

def jNode

 json.each{
 	       if(it.key.contains("GUID")){
 	                                  log.info it.key
 	                                  jNode = it.key
 	                                  //or store it in some property 
 	       }
 }

Now I was playing around with something I've used before (courtesy of @msiadak) which assigned a variable to the attribute value I wanted in the XML and allowed me to pass this to the properties step (as follows)

def syncID = (holder["//Responses/VenueSyncSuccesses/VenueSyncSuccess/@VenueID"])
        def propertiesStep = context.testCase.testSteps["Properties"];
propertiesStep.setPropertyValue("VenueID", syncID);

I tried doing something like this for the .json - however - the info response the script currently returns is the whole .json response - I'm failing to see how I can extract ONLY the node names from this - dont I need to parse the .json and grab the GUID node names? And even then I can't see how something like this would work for my .json because those node names are dynamic based on the records - i.e. the node name changes for each record returned in the results.

Also - I cant see what the jNode variable is doing. It doesn't appear to add anything to the current script nor the script results.

as I say - my scripting skills are rubbish so I'm no doubt missing some obvious piece of info.

Many thanks guys for all your help in this - you're really helping me out here.

richie

Bill_In_Irvine
Contributor
7 years ago
Hi Richie,

I assumed your POST request generated a json that had the $id in the name. Is the intention something like {id: 12,...} or is it like {12:12...}? You will need a property expansion to get the value of id2.

The contributor New2API has the approach that you probably want - to read the response in a groovy test step following the POST test step. That way you will get whatever id name/value fields that are generated in the json of the POST response and you might then resolve the exception you got.

But I think you still need to splice in the node for
UniqueAlphaNumericGUI

I haven't read your response to New2Api but if you can retrieve the json response without a problem in that suggested groovy script, just log.info json.toString() and see what it gets you.

You might then create another json variable (as a JsonBuilder object) to construct a new json expression and copy the pieces from the response. Then splice in the nodeName as I first suggested. That "nodeName:" is the value that you expect changes every time you do a POST.

It's kind of ugly, but it's just a concept I have and I have not tried it out.

New2API

Frequent Contributor

7 years ago

Hi Richie, in your response you have two json nodes i.e., $id and UniqueAlphaNumericGUID. I assumed that you wanted to extract second node from the response and store it in some property variable.

In my script, jNode is a variable used to store that node name. it is defined outside of each loop so that it is not local to each statement.

as far as property transfer, please see below script. i have added two more lines. I am storing these values at test suite level in order to be used in different testcases.

import net.sf.json.groovy.*
import groovy.json.JsonSlurper

def responseCntent = context.expand( '${REST Request - GET EOD Results#Response}' )

def json = new JsonSlurper().parseText responseCntent

def jNode
def jValue

 json.each{
 	       if(it.key.contains("GUID")){
 	                                  log.info it.key
                                          log.info it.value.$id
 
                                          jNode = it.key
                                          jValue = it.value.$id
                                          context.testCase.testSuite.setPropertyValue("IDName", "$jNode")
                                          context.testCase.testSuite.setPropertyValue("IDVal", "$jValue") 
 	       }
 }

richie

Community Hero

7 years ago

Hi New2API,

You're exactly right - I need to capture the 'UniqueAlphaNumericGUID' value as this is both the node name and the value I need to pass onto subsequent steps.

I altered the script as per your instructions (see below)

import net.sf.json.groovy.*
import groovy.json.JsonSlurper

def responseCntent = context.expand( '${REST Request - GET TP EOD Results#Response}' )

def json = new JsonSlurper().parseText responseCntent

def jNode
def jValue

json.each{
           if(it.key.contains("GUID")){
 	                                  log.info it.key
                                          log.info it.value.$id
 
                                          jNode = it.key
                                          jValue = it.value.$id
                                          context.testCase.testSuite.setPropertyValue("IDName", "$jNode")
                                          context.testCase.testSuite.setPropertyValue("IDVal", "$jValue") 

     }
}

Now you state that you set the propertyvalues at TestSuite level so I can transfer them to other test cases within the testsuite. HOWEVER - I can't see the 'IDName' or 'IDVal' properties on the TestSuite at all.

I tried running the 'GetData' function from another step in my test to point to the TestSuite to see the 'IDName' and 'IDVal' properties that way - but there weren't any properties at TestSuite level.

So - I tried changing the script to the following to write the properties to a Properties step and I added ONE log.info (immediately after the 'json each') and FOUR log.info lines outside the 'json.each'

import net.sf.json.groovy.*
import groovy.json.JsonSlurper

def responseCntent = new File("d:/NCC Teleperformance/groovysoapuitestfolder/response2.txt").text 

def json = new JsonSlurper().parseText responseCntent

def jNode
def jValue

 json.each{

           log.info(it.key)
              if(it.key.contains("GUID")){
                                          log.info(it.key)
                                          log.info(it.value.$id)

                                          jNode = it.key
                                          jValue = it.value.$id

 def propertiesStep = context.testCase.testSteps["Properties 1"];
 propertiesStep.setPropertyValue("IDName", "$jNode")
 propertiesStep.setPropertyValue("IDVal", "$jValue") 
 
 }
}

log.info("IDName")
log.info("$jNode")
log.info("IDVal")
log.info("$jValue")

When I executed the script the output log returned the following:

INFO:$id
INFO:UniqueAlphaNumericGUID
INFO:IDName
INFO:null
INFO:IDVal
INFO:null

So - I don't think the properties are being populated - which kinda makes sense when I think about the fact my properties test step doesn't have any properties in it and my TestSuite didn't have any properties on it when before I'd altered the script to write to the Properties step rather than write the properties at TestSuite level.

I'm sorry - I imagine helping me is like trying to teach a 4 year old to read.

I understand if you can't provide any more help on this - you've given me plenty of time already - but if you're still feeling generous I'd welcome any hints you've got!

Cheers,

richie

New2API

Frequent Contributor

7 years ago

Hi Richie, I did execute this groovy script on my machine and values are being populated in TestSuite Custom property tab.

I further added few more lines to print jNode and jValue. Also, get and print Test Suite property values.

import net.sf.json.groovy.*
import groovy.json.JsonSlurper

def responseCntent = context.expand( '${REST Request - GET TP EOD Results#Response}' )

def json = new JsonSlurper().parseText responseCntent

def jNode
def jValue

json.each{
           if(it.key.contains("GUID")){
 	                                  log.info it.key
                                          log.info it.value.$id
 
                                          jNode = it.key
                                          jValue = it.value.$id
                                          context.testCase.testSuite.setPropertyValue("IDName", "$jNode")
                                          context.testCase.testSuite.setPropertyValue("IDVal", "$jValue") 

     }
}


log.info "$jNode"
log.info "$jValue"

//getting values from test Suite
log.info "Property Value from TestSuite IDName: " + context.expand('${#TestSuite#IDName}')
log.info "Property Value from TestSuite IDVal: " + context.expand('${#TestSuite#IDVal}')

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