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UnitTestBot: build and run tests Plugin and CLI: publish as archives

👉 Find UnitTestBot on JetBrains Marketplace.

👉 Visit the official UnitTestBot website.

What is UnitTestBot?

UnitTestBot is the tool for automated unit test generation and precise code analysis. It produces ready-to-use test cases for Java — with valid inputs and comments. It can even predict whether the tests fail or pass. You can analyze them, run them, show coverage — as if you've created them personally.

The symbolic execution engine paired with a smart fuzzing technique constitutes the core of UnitTestBot. It helps to find errors and prevent regressions in the code in a much more efficient way — UnitTestBot maximizes path coverage while minimizing the number of tests and false positives.

UnitTestBot represents all the test summaries in a human-readable format. The intelligible test method names and comments help you to control the whole testing process. Test failed? The summary refers you to the related branch or the condition under test.

Get started

Try the online demo to generate unit tests with one click.

Get to know the full version of UnitTestBot plugin with this quick guide:

Install UnitTestBot plugin for IntelliJ IDEA

Try the most straightforward path to start using UnitTestBot plugin.

  1. Please check the system requirements.
  2. Open your IntelliJ IDEA.
  3. Go to File > Settings... > Plugins > Marketplace.
  4. In the search field type UnitTestBot — you'll see the UnitTestBot plugin page.
  5. Press the Install button and wait until it changes to Installed, then click OK.

Now you can find the UnitTestBot plugin enabled in the File > Settings > Plugins window.

Do you want to manually choose the build or to update the plugin? Please refer to Install or update plugin in our user guide.


Generate tests with default configuration

Proceed to generating unit tests for the existing Java project. If you don't have one, create it using the JetBrains tutorial.

  1. Open your Java project in IntelliJ IDEA.
  2. Right-click the required package or a file in the Project tool window, scroll the menu down to the bottom and choose Generate Tests with UnitTestBot...
  3. In the Generate Tests with UnitTestBot window tick the classes or methods you'd like to cover with unit tests and press Generate Tests or Generate and Run.

Now you can see the resulting test class or classes in the Editor tool window.

Need to configure testing framework, mocking strategy or parameterization? Please check all configuration options.


Make use of generated tests

What can you do with the output?

  1. To find and fix the errors in your code:
  • Run the generated tests: right-click the test class or a folder with tests and choose Run.

  • In the Run tool window you can see the tests failed with the brief failure explanation.

  • Fix your errors if needed.

  1. To prevent regressions:
  • Having your errors fixed, run the tests again. "Passed"? Commit them as the regression suite.

  • Introduce changes in the code and run your tests as often as needed!

  • Tests failed? Decide whether it is a bug or a feature and generate new tests if necessary.

  1. To view coverage:

Right-click the test class, choose More Run/Debug > Run ... with Coverage.

Want to know more about test descriptions or SARIF reports? Please learn how to Get use of test results.


Contribute to UnitTestBot

UnitTestBot is an open source project. We welcome everyone who wants to make UnitTestBot better — introduce a new feature or report a bug. We have only one kind request for our contributors: we expect you to prove the necessity and quality of the suggested changes.

How can you do this? Refer to our Contributing guide.

Feel free to join the Discussions!

And thank you for your time and effort! ⭐

Find support

Having troubles with using UnitTestBot? Contact us directly.

Find more UnitTestBot products

You can also try UnitTestBot developed especially for C/C++.

You are welcome to contribute to it too!