Скачать или смотреть Your JMeter Test Fails? Fix JSON Assertions in 2 Minutes (2025 Tutorial)

Assertions in JMeter allow you to verify API responses and ensure your performance test results are accurate.
In this tutorial, you’ll learn:
✔ What assertions are in JMeter
✔ How to use Size Assertion to validate response size
✔ How to configure JSON Assertion for structured data validation
✔ Practical examples for API testing with JMeter
✔ Best practices for efficient assertions in performance testing
By the end, you’ll be able to confidently apply assertions to make your JMeter test plans more robust and reliable.

📌 Resources:
• Download JMeter: https://jmeter.apache.org/download_jm...
• More JMeter Tutorials Playlist:    • Jmeter Tutorials  
• JMeter Quick Tricks:    • Jmeter Quick Tricks  

👍 Like this video? Don’t forget to Like, Share & Subscribe for more JMeter tutorials and performance testing tips!

What you will learn :
00:00 - Intro
03:42 - Size Assertion
03:57 - Using Size Assertion
06:25 - JSON Assertion
07:00 - Using JSON Assertion
09:52 - Advanced use of JSON Assertion

You can check the below useful videos on my channel

1. Validate JSON Response data in JMeter using Inbuilt Assertions Part 1 | 2025

   • Stop JMeter Assertion Failures | JSR223 As...  

2. Reading System Environment Variables in Jmeter

   • Stop Hardcoding in JMeter | Use System Env...  

3. if Controller in Jmeter

   • if Controller in Jmeter | #performancetest...  

4. appsettings.json File in JMeter : Set variables in json file

   • appsettings.json File in JMeter : Set vari...  

5. JSON Extractor in Jmeter Post | Processor to read data from JSON Response

   • JSON Extractor in Jmeter Post | Processor ...  

6. Read JSON Data as Variable Reuse it throughout the test suite in Jmeter

   • Reading JSON Response Data in Jmeter|Set a...  

7. Read/Get Data from JSON File in Jmeter | BeanShell script

   • Fetch Data from JSON File in Jmeter | How ...  

8. Read/Get Data from JSON Response

   • Fetch Data from JSON Response in Jmeter#pe...  

9. Generate HTML Report for JMeter Test Suite Run

   • Creating Performance Test Report in HTML f...  

10. Set and Read Variables and Property values in Jmeter

   • How to Set Variables and Get the values in...  

11. What a mature Jmeter test suite should contain?

   • Test Automation Framework in Jmeter #perfo...  

12. Run Jmeter test suite from Command Line Interface | Jmeter Non GUI mode

   • Run Jmeter Performance test using Command ...  

13. Read CICD Pipeline Jmeter Results

   • Check Performance Test Results in Jmeter |...  

14. How to generate jmeter result files after every test suite execution

   • Generate Performance Test Results in Jmete...  

15. Step by Step Debugger in Jmeter

   • Loading Performance Test Configurations in...  

16. Jmeter Plugins Manager

   • JMeter Plugin Manager install #performance...  

17. Config.properties in Jmeter | Property File Reader config element

   • Setting Performance Test Configurations in...  

18. Write data to CSV file in Jmeter | CSV Data Set Config

   • Storing output data in CSV file in JMeter ...  

19. Read Data from CSV file in Jmeter - Data Driven Testing | CSV Data Set Config

   • Reading Performance Test Data from CSV fil...  

20. Create First Jmeter Test Suite - CI Automation Suite for Rest API Project from scratch

   • First Performance Test in JMeter from scra...  

21. Install JMeter and Launch it from any folder

   • Jmeter Installation and Launch it from any...  

22. Automate Rest API using Jmeter | API Automation testing

   • Steps to Create Performance or Automation ...  

#JMeter #PerformanceTesting #APITesting #JMeterAssertions #LoadTesting #QATools
#performancetest #jmeter #automation #automationtesting #api #apiautomation #performancetesting #softwaretesting #softwaretester #softwaretesters #softwaretestingsolutions #softwaretestingtraining #softwaretest #sdet #jmeterresults #TestSuiteResults #CICDresults #pipelineruns #jmetercicd #CommandLine #CLI #JmeterUsingComand #maturetestsuite #aspectsofjmetersuite #completetestsuite #setvariables #setproperty #htmlreport #generatehtmlreport #JmeterResults #JmeterReport #json #assertion