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How to Test Solon Web Apps Using @SolonTest and HttpTester in JUnit 5

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Solon, a Java web framework, provides a dedicated testing module called solon-test that enables developers to write integration-style tests using JUnit 5. The @SolonTest annotation boots the full Solon application within a test, allowing dependency injection directly into test classes and catching configuration or startup errors early. HttpTester extends this capability by routing requests through the local application server, covering routing, filters, serialization, and response boundaries rather than testing controllers in isolation. Additional annotations like @Import allow test-specific configuration files or classes to be loaded, while @Rollback helps manage database state during tests. The approach, demonstrated using Solon v4.0.3, aims to standardize a small set of test primitives that can scale from quick debugging checks to repeatable regression suites.

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How to Test Solon Web Apps Using @SolonTest and HttpTester in JUnit 5 · ShortSingh