On Mon, Aug 02, 2021 at 03:46:27PM +0200, Ævar Arnfjörð Bjarmason wrote:
> Add a helper function to wrap patterns of "COLUMNS=N <command>" as
> "test_with_columns N <command>". This will be used and extended in the
> next commit.
> diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
> index 37da7d9a99a..536339faaa2 100644
> --- a/t/test-lib-functions.sh
> +++ b/t/test-lib-functions.sh
> @@ -1718,3 +1718,11 @@ test_region () {
> test_readlink () {
> perl -le 'print readlink($_) for @ARGV' "$@"
> }
> +
> +# 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).
