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I have a CSV file, where topics of interest are present in each row:
I want to pick any 4 random values from the CSV file and pass it as an array of strings to the request body, like this:
{"interest": ["BI Modernization", "Salesforce.com / Net Suite", "Data Monetization", "SDN - Software Defined Networks"]}
How can this be achieved?
>Solution :
You can generate the request body using JSR223 PreProcessor and the following code:
def entries = new HashSet()
def linesFromCSV = new File('/path/to/your/file.csv').readLines()
while (entries.size() < 4) {
entries.add(linesFromCSV.get(org.apache.commons.lang3.RandomUtils.nextInt(0, linesFromCSV.size())))
}
def payload = new groovy.json.JsonBuilder([interest: entries]).toPrettyString()
vars.put('payload', payload)
Generated request body can be referenced as ${payload}
where required
More information: