On Mon, Aug 2, 2021 at 1:14 PM SZEDER Gábor <szeder.dev@xxxxxxxxx> wrote:
> On Mon, Aug 02, 2021 at 03:46:27PM +0200, Ævar Arnfjörð Bjarmason wrote:
> > +# Test a with a given number of COLUMNS in the environment.
> > +test_with_columns () {
> > + local columns=$1
> > + shift
> > +
> > + COLUMNS=$columns "$@"
> > +}
>
> This function needs some redirections to separate the tested command's
> standard error from the function's '-x' trace, see a5bf824f3b (t:
> prevent '-x' tracing from interfering with test helpers' stderr,
> 2018-02-25).
This is also potentially problematic when a test is expected to fail,
in which case we avoid the:
FOO=bar command
idiom and instead use:
test_must_fail env FOO=bar command
