I have One POST request and below is the My Body Payload .
{
"ABC": "ITBK1",
"Code": "AH01001187",
"ScheduleDate": "2021-09-02T22:59:00Z",
"FilterType": 2,
"FilterData": [
"LoadTest92","LoadTest93"
]
}
I'm passing the ContractorId to filterData as below.
{
"ABC": "ITBK1",
"Code": "AH01001187",
"ScheduleDate": "${startTo}",
"FilterType": 2,
"FilterData": ["${contractorId}"]
}
but it taking one id at a time for this Json. How can i send multiple data for this FilterData jsonArray from csv please help on this.
First of all don't post code (including CSV file content) as image
As per CSV Data Set Config documentation:
By default, the file is only opened once, and each thread will use a different line from the file. However the order in which lines are passed to threads depends on the order in which they execute, which may vary between iterations. Lines are read at the start of each test iteration. The file name and mode are resolved in the first iteration.
So it means that you need to go to the next iteration in order to read the next line.
If you want to send all the values from column J as the "FilterData" you could do something like:
Add JSR223 PreProcessor as a child of the request you want to parameterize
Put the following code into "Script" area:
def lines = new File('/path/to/your/file.csv').readLines()
def payload = []
lines.each { line ->
def contractor = line.split(',')[9]
payload.add(contractor as String)
}
vars.put('payload', new groovy.json.JsonBuilder(payload).toPrettyString())
That's it, use ${payload} instead of your ["${contractorId}"] variable in the HTTP request.
More information:
JsonBuilder
JMeterVariables
Apache Groovy - Why and How You Should Use It
Related
I want to test an endpoint using jmeter, that has a copule of query string parameters, one of which is optional, loading the values from a CSV file. The problem is, can I avoid sending the query string parameter if I don't have a value for it?
It is but it will require some Groovy coding
Add JSR223 PreProcessor as a child of the request which query string you want to modify (or according to JMeter Scoping Rules if you want to apply the approach to more than one request)
Put the following code into "Script" area:
def newData = new org.apache.jmeter.config.Arguments()
0.upto(sampler.getArguments().size() - 1, { idx ->
def arg = sampler.getArguments().getArgument(idx)
if (!arg.getValue().equals('')) {
newData.addArgument(arg)
}
})
sampler.setArguments(newData)
That's it, the PreProcessor will be executed before the HTTP Request sampler and will remove all arguments which don't have their respective values
I have explored and tried solution mentioned on Google or StackOverflow but could not solve my problem.
I am trying to iterate over each row of CSV and use every column of a row in "HTTP Sampler"
This is what I have tried till now.
My Test plan structure
This is my CSV file
This is my CSV Data Set Config
I am reading entire CSV and storing values in JMeter properties variable using Bean Shell Sampler.
This is the code in Bean Shell Sampler
import java.text.*;
import java.io.*;
String filename = "load_test_date.csv";
ArrayList strList = new ArrayList();
try{
log.info("starting bean shell");
File file = new File(filename);
if(!file.exists()){
throw new Exception ("ERROR: file " + filename + " not found");
}
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
String line = null;
log.info("while loop starting");
headerLine = br.readLine();
while((line = br.readLine())!=null){
log.info(line);
String[] variables = line.split(",");
props.put("header_1",variables[0]);
props.put("header_2",variables[1]);
props.put("header_3",variables[2]);
props.put("header_4",variables[3]);
props.put("header_5",variables[4]);
}
}catch(Exception ex){
log.error(ex.getMessage());
}
Now I want to iterate over props variable and fetch each column. I tried using While controller and ForEach Controller, but it is not giving me desired output.
while controller
While loop is executing twice (instead of three times for three rows in csv file) and always using last row values
I used ForEach controller too but could not produce desired outcome
First of all, forget about Beanshell, since JMeter 3.1 you should be using JSR223 Test Elements and Groovy language for scripting.
Second, if I correctly got your point and you want to iterate all the values, i.e. from 1 to 15, you need different approach, for example read the whole file into memory, split each line by comma and create a JMeter Variable for each "cell" value, example Groovy code would be something like:
SampleResult.setIgnore()
def lines = new File('load_test_date.csv').readLines()
def counter = 1
1.upto(lines.size() - 1, { index ->
def line = lines.get(index)
line.split(',').each { column ->
vars.put('value_' + counter, column)
counter++
}
})
if you execute the script and look into Debug Sampler output you will see the following JMeter Variables
In order to iterate the generated variables you can use ForEach Controller configured like:
And use ${value} in the HTTP Request sampler to access the next "cell" value on each iteration:
The "Payload" picture below shows 3 line items for GROUND_SERVICE and all the values such as SERVICE_TYPE_CODE, ORIG_ZIP, DEST_ZIP, UNITS_SHIPPED, START_DATE will have to be parameterized. I cannot always send request for 3 GROUND_SERVICE line items. I need to send random number of GROUND_SERVICE lines, in this case between 1 to 3. In reality I will have about 20 line items. How can I do that while parameterizing all the values within GROUND_SERVICE element?
Payload
EDITED QUESTION BELOW AFTER RECEIVING DMITRI'S SUGGESTION:
I think the suggested code allows me to send random number of GROUND_SERVICE blocks, and if so solves half of my problem. However, I cannot randomize the data elements such as ORIG_ZIP, UNITS_SHIPPED, etc. They have to be pulled from CSV file. How can I do that? Just to be clear, I made up these data elements to protect sensitive data. In reality the Request contains different kind of data elements with test data that go through a rule engine, and therefore I must pull actual data from CSV file.
Add JSR223 PreProcessor as a child of the HTTP Request sampler you want to parameterize
Put the following code into "Script" area:
import groovy.xml.MarkupBuilder
import org.apache.commons.lang3.RandomUtils
import org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy
def writer = new StringWriter()
def xml = new MarkupBuilder(writer)
static def getRandomGroundServices(MarkupBuilder xml) {
1.upto(RandomUtils.nextInt(1, 4), { number ->
xml.GROUND_SERVICES() {
GROUND_SERVICE() {
SERVICE_TYPE_CODE(number + "DAY")
ORIG_ZIP(RandomUtils.nextInt(11111, 99999))
UNITS_SHIPPED(RandomUtils.nextInt(1, 10))
START_DATE(new Date().plus(number).format('yyyy-MM-dd'))
}
}
})
};
getRandomGroundServices(xml)
vars.put('payload', writer.toString())
That's it, now you can refer the random payload as ${payload} where required:
Each time you run the request different number of GROUND_SERVICE elements will be sent to the backend with random UNITS_SHIPPED and ORIG_ZIP
References:
Groovy: Creating XML
Apache Groovy - Why and How You Should Use It
I have thread group with single sampler.I have a scenario with 10 users to run for 1 hour duration. in view results tree showing different response data in every sampler's response data.can it possible to count how many times samplers get same response data.
{"success":false,"code":"104","message":"xx","status":412,"MessageType":"120","ResponseCode":"100","rilreplyDetails":"121"}
{"success":false,"code":"104","message":"yyy","status":412,"MessageType":"120","ResponseCode":"100","rilreplyDetails":"121"}
can I get a count of how many samplers get"xx" response,and how many for "yyy"?
One solution would be to define two variables in the Test Plan section, i.e: counter_xx and counter_yyy.
Then on the sampler request add one Regular Expression Extractor to extract the message value and finally use If Controller to specify which counter to increment.
The below image shows the structure for above solution.
Finally, you would be able to access the variable values by using ${counter_xx} or ${counter_yyy}.
The easiest would be doing this outside of JMeter, i.e. configure it to save response data by adding the next 2 lines to user.properties file:
jmeter.save.saveservice.output_format=xml
jmeter.save.saveservice.response_data=true
JMeter restart will be required to pick the properties up. Once your test is done inspect the resulting .jtl result file using your favorite XML editor.
See Configuring JMeter for more information on the approach.
Another option is using JSR223 Listener and the script like:
import org.apache.jmeter.engine.util.CompoundVariable
import org.apache.jmeter.functions.IterationCounter
def xxcounter = props.get("xxcounter")
if (xxcounter == null) {
xxcounter = new IterationCounter();
List<CompoundVariable> params = new ArrayList<>();
params.add(new CompoundVariable("false"));
xxcounter.setParameters(params);
}
def yycounter = props.get('yycounter')
if (yycounter == null) {
yycounter = new IterationCounter();
List<CompoundVariable> params = new ArrayList<>();
params.add(new CompoundVariable("false"));
yycounter.setParameters(params);
}
if (prev.getResponseDataAsString().contains('xx')) {
log.info('XX count: ' + xxcounter.execute(prev, sampler))
props.put('xxcounter', xxcounter)
}
if (prev.getResponseDataAsString().contains('yyy')) {
log.info('YYY count: ' + yycounter.execute(prev, sampler))
props.put('yycounter', yycounter)
}
The listener will scan current sampler response data and increment either this or that counter printing the current value to jmeter.log file.
Demo:
More information on Groovy scripting in JMeter: Apache Groovy - Why and How You Should Use It
I have a CSv Data Set Config which I am using in a while loop. I have this in a module and use this same module several times in my test.
My first problem is that I have set the while loop with this condition:
${__javaScript("${data}"!="<EOF>")}
The "data" being the first column in my csv file. This works fine except for the last iteration where ${data} gets set to "EOF" and has all the tests performed on it. I want it to stop before this, not after all the tests have ran once on it.
My other problem is that when I use this module again later, ${data} is still set to "EOF" and no tests are run at all.
To avoid this <EOF> bit just put your logic under the If Controller and use "${data}" != "<EOF>" as the "Condition"
See Using the While Controller in JMeter guide for detailed explanation of this and other common use cases.
UPD. Reusing the same CSV file:
Add a Beanshell Sampler after 1st While Controller and before the 2nd While Controller and use the following code in "Script" area:
import org.apache.jmeter.services.FileServer;
FileServer.getFileServer().closeFile("yourfile.csv");
vars.put("data", "");
The above script will "close" the original CSV file so it could be reused later on in the script and "clear" ${data} variable as it contains <EOF> value.
See How to Use BeanShell: JMeter's Favorite Built-in Component guide for details on using Beanshell scripts in JMeter tests.
If you would use Loop Controller, with number of CSV lines being number of iterations you could avoid that. Just put this code into Beanshell Sampler:
import org.apache.commons.io.FileUtils;
int lines = FileUtils.readLines(new File("/home/username/csv.file")).size();
vars.put("linesCount", String.valueOf(lines));
After that you can use lineCount in the Loop Controller.
If your data variable needs to be reverted to original state, you could store default value in other variable, and at the end of Loop revert data to it using Beanshell pre/post proccesor.
EDIT:
Or you could insert If Controller in your While Controller and process all child elements only if data doesn't equals EOF:
${__javaScript("${data}"!="<EOF>")}
Neither of the previous suggestions to go and re-use a csv file had worked for me. I ended up doing something different. It's way more complicated than I like, but it works.
I posted my answer to that in another post (https://stackoverflow.com/a/64086009/4832515), but I'll copy & paste it incase that link doesn't work in the future.
I couldn't find a simple solution to this. I ended up using beanshell scripts, which let you use code very similar to java to do some custom stuff. I made an example JMeter project to demonstrate how to do this (yes it's ridiculously complicated, considering all I want to do is repeat the CSV read):
Files:
my file structure:
JMeterExample
|
⊢--JMeterTests.jmx // the JMeter file
⊢--example.csv // the CSV file
contents of my CSV:
guest-id-1,"123 fake street",
guest-id-2,"456 fake street",
guest-id-3,"789 fake street",
so in this thread group, I'm going to just have 1 user, and I'll loop 2 times. I intend to send 1 request per CSV line. So there should be 6 requests sent total.
Thread Group
User Defined Variables
This is kind of optional, but the filepath is subject to change, and I don't like changing my scripts just for a change in configuration. So I store the CSV filename in a "User Defined Variables" node.
If you are storing the CSV file in the same directory as your JMeter test, you can just specify the filename only.
If you are saving the CSV in a folder other than the directory containing your JMeter file, you will need to supply an absolute path, and then slightly modify the beanshell script below: you'll need to comment out the line that loads the file relatively, and comment in the line that loads from an absolute path.
BeanShell Sampler to parse and store CSV lines
Add a Beanshell Sampler which will basically take in a path, and parse & store each line as a variable. The first line will be stored as a variable called csv_line_0, the 2nd line will be csv_line_1 and so on. I know it's not a clean solution but... I can't find any clean simple way of doing this clean simple task. I copied and pasted my code below.
import org.apache.jmeter.services.FileServer;
import java.text.*;
import java.io.*;
import java.util.*;
String temp = null;
ArrayList lines = new ArrayList();
BufferedReader bufRdr;
ArrayList strList = new ArrayList();
// get the file
try {
// you can use this line below if your csvFilePath is an absolute path
// File file = new File(${csvFilePath});
// you can use this line below if your csvFilepath is a relative path, relative to where you saved this JMeter file
File file = new File(org.apache.jmeter.services.FileServer.getFileServer().getBaseDir() + "/" + ${csvFilePath});
if (!file.exists()) {
throw new Exception ("ERROR: file " + filename + " not found");
}
bufRdr = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF8"));
} catch(Exception e){
log.error("failed to load file");
log.error(e.getMessage());
return;
}
// For each CSV line, save it to a variable
int counter = 0;
while(true){
try{
temp = bufRdr.readLine();
if(temp == null || temp.equals("<EOF>")){
break;
}
lines.add(temp);
vars.put("csv_line_" + String.valueOf(counter), temp);
counter++;
} catch(Exception e){
log.error("failed to get next line");
log.error(e.getMessage());
break;
}
}
// store the number of CSV lines there are for the loop counter
vars.put("linesCount", String.valueOf(lines.size()));
Loop Controller
Add a Loop Controller that loops once for each CSV line. ${linesCount} is a count of the number of CSV lines and is calculated from the above beanShell script.
Beanshell script to extract data from current CSV Line
This script will run once per CSV line. It will go and grab the current line, and parse out whatever data is on it. You'll have to modify this script to get the data you want. In my example, I only had 2 columns, where column 1 is a "guestId", and column 2 is an "address".
__jm__loopController__idx is a variable JMeter defines for you, and is the index of the loop controller. The variable name is __jm__{loop controller name}__idx.
String index = vars.get("__jm__loopController__idx");
String line = vars.get("csv_line_" + index);
String [] tokens = line.split(",");
vars.put("guestId", tokens[0]);
vars.put("address", tokens[1]);
Http request sampler
Here's the HTTP request that's using the data extracted.
result
When running this, as desired, I end up sending 6 http requests over to the endpoint I defined.