Go: The Testing/Synctest Package Explained

12/01/2026 24 min
Go: The Testing/Synctest Package Explained

Listen "Go: The Testing/Synctest Package Explained"

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This story was originally published on HackerNoon at: https://hackernoon.com/go-the-testingsynctest-package-explained.
In Go 1.25, the testing/synctest package has graduated from experiment to general availability.
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Go 1.25 introduces the `testing/synctest` package. This package can significantly simplify writing tests for concurrent, asynchronous code. In Go 1.24, the package was an experimental package. Now it is general availability.