Write and maintain test code with ease

Save time and improve code quality with Symflower's IDE plugin for creating unit test templates, generating and maintaining full test suites, and test-backed code diagnostics.
Symflower works with JUnit 4 and JUnit 5 for Java, Spring, and Spring Boot applications.

Smart Java unit test generation for IntelliJ IDEA.
Smart Java unit test generation for IntelliJ IDEA.
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Adding three new features to your favorite IDE

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Generate Test Template

Write new test cases faster

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Generate Test Suite

Test all possible paths in your code

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Test-backed Diagnostics

Discover and reproduce runtime exceptions

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Generate Test Template

Write new test cases faster for Java, Spring, and Spring Boot

Stop spending time on boilerplate code. Use Symflower to generate imports, annotations, object initializations, function calls, asserts, and more at once – so you can focus on the test values for testing your Java, Spring, or Spring Boot application.

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Generate Test Suite

Test all possible paths in your code

Generate a complete JUnit 4 or JUnit 5 test suite that covers all unique paths of a method. Find edge cases, reproduce bugs faster, and decide for yourself which tests you want to add to your test suite.

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Test-backed Diagnostics

Discover and reproduce runtime exceptions

Symflower is integrated into your IDE and uses generated tests to highlight potential unhandled exceptions in real time as you code. The underlying tests tell you immediately what types of values cause the exception.

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Easily integrable into your development workflow

Try for free

About our technology

A mathematical model based on symbolic execution helps Symflower explore all paths of your code.

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Local & compliant

Symflower runs fully locally on your device. Your source code is never transferred to Symflower servers.

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Mathematically precise

We rely on mathematical models to determine test values. Symflower always provides complete and correct test values.

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Plug & play

Symflower works out-of-the-box. Install the plugin in your IDE or download the CLI version and get started.

Learn more

Get started with Symflower

Ready to save time and effort on testing? Install Symflower and use it for free.

Try for free