Re: [PATCH v4 01/10] iotests.py: Assume a couple of variables as given

[Willian Rampazzo <wrampazz@redhat.com>]

On Fri, Jan 15, 2021 at 2:43 PM Max Reitz <mreitz@redhat.com> wrote:
>
> There are a couple of environment variables that we fetch with
> os.environ.get() without supplying a default.  Clearly they are required
> and expected to be set by the ./check script (as evidenced by
> execute_setup_common(), which checks for test_dir and
> qemu_default_machine to be set, and aborts if they are not).
>
> Using .get() this way has the disadvantage of returning an Optional[str]
> type, which mypy will complain about when tests just assume these values
> to be str.
>
> Use [] instead, which raises a KeyError for environment variables that
> are not set.  When this exception is raised, catch it and move the abort
> code from execute_setup_common() there.
>
> Drop the 'assert iotests.sock_dir is not None' from iotest 300, because
> that sort of thing is precisely what this patch wants to prevent.
>
> Signed-off-by: Max Reitz <mreitz@redhat.com>
> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> ---
>  tests/qemu-iotests/300        |  1 -
>  tests/qemu-iotests/iotests.py | 26 +++++++++++++-------------
>  2 files changed, 13 insertions(+), 14 deletions(-)
>

Reviewed-by: Willian Rampazzo <willianr@redhat.com>