nvm/test/fast/Unit tests/nvm ls-remote with nounset should not fail

#!/bin/sh

die () { echo "$@" ; cleanup ; exit 1; }

cleanup() {
  unset -f nvm_download nvm_ls_remote nvm_ls_remote_iojs
}

: nvm.sh
\. ../../../nvm.sh

\. ../../common.sh

REMOTE="${PWD}/mocks/nvm_ls_remote.txt"
nvm_ls_remote() {
  cat "${REMOTE}"
}
REMOTE_IOJS="${PWD}/mocks/nvm_ls_remote_iojs.txt"
nvm_ls_remote_iojs() {
  cat "${REMOTE_IOJS}"
}

# Enable no unset variable; regression test for https://github.com/nvm-sh/nvm/issues/3820
set -u

# Bare `nvm ls-remote` (no pattern argument) must not error on unset PATTERN
output=$(nvm ls-remote 2>&1 1>/dev/null) || die "nvm ls-remote with nounset failed: ${output}"
test -z "${output}" || die "expected empty stderr; got >${output}<"

cleanup