Bevy Version: | 0.9 | (outdated!) |
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As this page is outdated, please refer to Bevy's official migration guides while reading, to cover the differences: 0.9 to 0.10, 0.10 to 0.11, 0.11 to 0.12, 0.12 to 0.13, 0.13 to 0.14. 0.14 to 0.15.
I apologize for the inconvenience. I will update the page as soon as I find the time.
Writing Tests for Systems
You might want to write and run automated tests for your systems.
You can use the regular Rust testing features (cargo test
) with Bevy.
To do this, you can create an empty ECS World
in your
tests, and then, using direct World access, insert whatever
entities and resources you need for testing. Create
a standalone stage with the systems you want to
run, and manually run it on the World
.
Bevy's official repository has a fantastic example of how to do this.