utest-rs

The goal of this repository is to develop a solution for running standard rust unit tests on deeply embedded, bare metal targets.

How can I collaborate?

Feel free to open issues and send in pull requests.

to develop a flexible testing harness and test runner that can be adjusted for different micro controller setups
work out what needs to be change in rustc/cargo in order to integrate this with the regular rust workflow

only libcore available
only stack no heap memory allocation
restricted code size (common flash sizes are 128kB)
no support for stack unwinding, thus no panic
because of size constraints, stack unwinding might never be feasible
heap allocation is not too hard to make work, it would just make this more universal, if we did not require it

does not allocate dynamic memory
does not use panic
returns compact error descriptions (maybe error numbers)
makes it possible to split up tests into several binaries because one monolithic binary for all tests might not fit into program memory
there might be a component running on the host pc, that loads the tests onto the micro controller and collects test results e.g. via USB

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