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We can perform GET as well as POST operations in JMeter. In this tutorial, we will only explain how we send POST HTTP requests in JMeter. In the previous tutorial, I explained how we can send GET request in JMeter.
Table of Contents
The sample request and response used in this tutorial are shown below:
Sample Request
{
"name": "Test",
"job": "JMeter"
}
Sample Response
{
"name":"Test",
"job":"JMeter",
"id":"955",
"createdAt":"2023-07-03T15:46:18.038Z"
}
Create a Test Plan in JMeter
Step 1 – Add Thread Group
- Select Test Plan on the tree
- Add Thread Group To add Thread Group: Right-click on the “Test Plan” and add a new thread group: Add -> Threads (Users) -> Thread Group
In the Thread Group control panel, enter Thread Properties as follows: We will take an example of row no 5
Number of Threads: 5 – Number of users connects to the target website
Loop Count: 5 – Number of times to execute testing
Ramp-Up Period: 5 – It tells JMeter how long to delay before starting the next user. For example, if we have 5 users and a 5 -second Ramp-Up period, then the delay between starting users would be 1 second (5 seconds /5 users).
Step 2 – Adding JMeter elements
The JMeter element used here is HTTP Request Sampler. In the HTTP Request Control Panel, the Path field indicates which URL request you want to send
2.1 Add HTTP Request Sampler
To add: Right-click on Thread Group and select: Add -> Sampler -> HTTP Request
The below-mentioned are the values used in HTTP Request to perform the test
- Name – HTTP POST Request Demo
- Server Name or IP – reqres.in
- Port –
- Method – POST
- Path – /api/users
2.2 Add HTTP Head Manager
The Header Manager lets you add or override HTTP request headers like can add Accept-Encoding, Accept, Cache-Control
To add: Right-click on Thread Group and select: Add -> Config Element -> HTTP Read Manager
The below-mentioned are the values used in Http Request to perform the test
Content-type = application/json
accept – application/json
Step 3 – Adding Listeners to Test Plan
Listeners – They show the results of the test execution. They can show results in a different format such as a tree, table, graph, or log file
We are adding the View Result Tree listener
View Result Tree – View Result Tree shows the results of the user request in basic HTML format
To add: Right-click on Test Plan, Add -> Listener -> View Result Tree
Aggregate Report
It is almost the same as Summary Report except Aggregate Report gives a few more parameters like, “Median”, “90% Line”, “95% Line” and “99% Line”.
To add: Right Click on Thread Group > Add > Listener > Aggregate Report
Step 4 – Save the Test Plan
To Save: Click File Select -> Save Test Plan as ->Give the name of the Test Plan. It will be saved in .jmx format.
Step 5 – Run the Test Plan
Click on the Green Triangle as shown at the top to run the test.
Step 6 – View the Execution Status
Click on View Result Tree to see the status of Run. A successful request will be of a Green colour in the Text Section.
Click on Response data and Response Header to view other information about Response.
Click on Aggregate Report Result to see the aggregated status of Run.
We are done! Congratulations on making it through this tutorial and hope you found it useful! Happy Learning!!
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QA Automation Expert 
