JMeter Managing Test Data with a CSV File Estimated reading: 2 minutes 195 views Managing test data is a critical aspect of performance testing. The CSV Data Set Config element in JMeter allows you to read data from CSV files, making your tests more dynamic and data-driven. This guide will explain how to configure and use CSV Data Set Config in your JMeter test plans. CSV Data For JMeter TestWhat is CSV Data Set Config?CSV Data Set Config is a JMeter configuration element that reads data from a CSV file and passes it to your samplers. This enables you to test with different sets of data without modifying your test plans.Setting Up CSV Data Set Config 1 Prepare CSV File 2 Add CSV Data Set Config 3 Configure CSV Data Set Create a CSV file in Excel or Google Sheets with the sample test data in the table below.JMeter Test CSV DataIn JMeter, right-click on the Test Plan, add navigate to Config Element CSV Data Set Config to create a new CSV Data Set Config.Set the File Name, Variable Names, and other options. API_KEY CITY8c61aeb7fa3ec2310426e0e1c4558acfBoston8c61aeb7fa3ec2310426e0e1c4558acfHarrisburg8c61aeb7fa3ec2310426e0e1c4558acfRichmond8c61aeb7fa3ec2310426e0e1c4558acfMiamiUsing CSV Data in Samplers Reference Variables Use the variable names from CSV Data Set Config in your samplers. For example, in the HTTP Request sampler:Path: /current?access_key=${API_KEY}&query=${CITY}JMeter Path SetupRunning All The Rows in the CSV File Setting Count Based on the No. of Rows in the CSV Go to your Thread Group Set the Loop Count to match the number of rows in your CSV. In this case it will be 4. Click the Green play button to run the test. Running CSV TestConclusionUsing CSV Data Set Config allows for more flexible and data-driven testing. Next, we’ll explore how to Understand and Implement Assertions in JMeter to validate responses and ensure your application behaves as expected.Tagged:JMeter JMeter - Previous Testing REST APIs with JMeter Next - JMeter Understanding and Implementing Assertions in JMeter