MultiFab: Fix Fixture Lifetime #84
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pytest fixtures are cached by default. That's not ideal for us, since we want to clean up and re-init AMReX and its memory arenas between tests. Thus, we now create a multifab fixture that is just a generator, so that the returned/yielded object can be cached - but the generated MultiFab is actually destroyed as we would expect once the test finishes.
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pytest fixtures are cached by default. That's not ideal for us, since we want to clean up and re-init AMReX and its memory arenas between tests that run in the same process.
Thus, we now create a multifab fixture that is just a generator, so that the returned/yielded fixture variable (the generator) can be cached - but the generated MultiFab is actually destroyed as we would expect once each test finishes.
Refs.: