Then we use props.put to assign the values from the user defined variables section and assign each to the equivalent property. Depending on the value chosen, “integration”, “syst” or “preprod” we will jump inside the appropriate case statement. We initially read in an environment variable called ENV. In this example, we use a JSR223 sampler to put the values inside properties. Then use the variable like any other variable in your GET request. In case you find any difficulty in any step, you can always drop it in comments and I will try to answer.With the user defined variables set we then need to write them to global variables (properties). Use the regular expression extractor to extract the header value to a variable by using a regex. I hope now you have better understanding of parameterization in JMeter. So, this is how parameterization is done. csv” extension and keep it in the Bin Folder.ģ) Now, open CSV Data Set Config and enter exact Filename and Parameters.Ĥ) Select the HTTP request where we are supposed to pass the CSV parameters in value part of “Send Parameters With the Request” in form of “$” as shown below.ĥ) Now all you need to do is run the script and verify the result for that Add > Listener > View result tree. Now save the text file with proper name and “. Create a text file and enter values into it. Current thread: Each file is opened separately for each thread.ġ) Click on Thread group-> Add->Config Element -> CSV Data Set Config.Ģ) Open the bin folder from JMeter installation path.Current thread group: Each file is opened once for each thread group in which the element appears. By defining some user-defined variables at the Test Plan level or in User Defined Variables elements, you can have JMeter automatically replace values in you recorded samples.All threads: File is shared between all the threads.Stop thread on EOF? :- Set it true if you want to stop after reading the whole csv file.After that we need to add the HTTP Request sampler to the already created Thread Group. First we need a JMeter on our local machine and add the Thread Group for our respective Test Plan. Recycle on EOF? :- If you plan to iterate over the csv file more than once you must set it true as it instructs jmeter to move back to the top of the CSV file. Now let’s see how we can use variables in JMeter as follows.Allow quoted data? :- Values can be put under “” (double quotes) which allows values to contain a delimiter, if enabled.Comma is the default delimiter, but if your file uses tabs, then we need to define that here only. Delimiter :- It is used to separate each record in csv file.If this field is kept empty, then JMeter will by default take the 1st row from csv file. Tutorials, Free Online Tutorials, Javatpoint provides tutorials and interview questions of all technology like java tutorial, android, java frameworks. Variable Names :- This will contain all variable names(comma separated) which is equivalent to a “column name” in a csv file in the same order.FileName :- If your file (.csv)is located at /bin then you can just use a FileName(.csv) and if it’s somewhere else, use the full path of file.Let us take a look at this simple example to execute parameterization concept in JMeter: Configuring different elements of CSV Data Set ConfigĬsv Data Set Config is used to read all values from a CSV File, store them in variables and use them as Test Data during Execution. We need to get username and password values from external database like CSV Data Set Config. When a test plan needs to run/execute for more than one user at the same time, parameterization concept is used.įor example – If we need to test Login Page with Different username and passwords then we surely cannot hardcode the values, hence we need to parameterize the value. This method is used to generalize an action for many users. In simple words, Parameterization in JMeter is the process where test plans are executed with multiple sets of user Input Data. Apache JMeter A User Defined Variables configuration element defines some global variables such as the scheme, host, port, number of threads, etc. In this blog, I would like to discuss one of the features of JMeter which allows you to do parameterization using the CSV file where if you have to execute one test plan for more than one user at the same time, you can do so using the CSV data set config. The open source software is used to do load and performance testing and analyze the overall performance of dynamic web applications. If you are a QA engineer, it’s almost impossible you haven’t got your hands dirty on Apache JMeter.
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