On 14.05.21 13:02, Max Reitz wrote:
On 12.05.21 19:43, Max Reitz wrote:
v1: https://lists.nongnu.org/archive/html/qemu-block/2021-03/msg01471.html


Hi,

When reviewing Vladimir’s new addition to tests/, I noticed that 297 so
far does not cover named tests.  That isn’t so good.

This series makes it cover them, and because tests/ is rather sparse at
this point, I decided to also fix up the two tests in there that don’t
pass pylint’s scrutiny yet.  I think it would be nice if we could keep
all of tests/ clean.


v2:
- Changed patch 2 as per Vladimir’s suggestion
   (i.e. don’t let discards1_sha256 and all_discards_sha256 be class
   variables at all)

Thanks for the review, applied to my block branch:

https://github.com/XanClic/qemu/commits/block

...and dropping again, patch 3 embarrassingly breaks migrate-bitmaps-test. The problem seems to be that contrastingly to pylint’s opinion, the `lambda self: mc(self)` is necessary, it can’t be contracted to just `mc`. I suspect that `mc` (returned by `methodcaller`) has a variable argument list, and so without the lambda, `setattr` adds it as a argument-less function, so when it is called, it doesn’t receive the `self` parameter. (It complains that it expected 1 argument, but got 0.)

So we need the lambda to enforce that the `self` parameter is passed.

Max


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