nvm/test/fast/Unit tests/nvm_use_if_needed

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#!/bin/sh
cleanup() { unset -f nvm_ls_current nvm; }
die () { echo "$@" ; cleanup ; exit 1; }
\. ../../../nvm.sh
nvm_ls_current() { echo foo; }
nvm() {
echo "nvm: $@"
}
OUTPUT="$(nvm_use_if_needed foo)"
EXPECTED_OUTPUT=''
[ "${OUTPUT}" = "${EXPECTED_OUTPUT}" ] || die "expected >${EXPECTED_OUTPUT}<; got >${OUTPUT}<"
OUTPUT="$(nvm_use_if_needed bar)"
EXPECTED_OUTPUT='nvm: use bar'
[ "${OUTPUT}" = "${EXPECTED_OUTPUT}" ] || die "expected >${EXPECTED_OUTPUT}<; got >${OUTPUT}<"
cleanup