nvm/test/fast/Unit tests/nvm_print_npm_version

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#!/bin/sh
cleanup () {
alias nvm_has='\nvm_has'
alias npm='\npm'
unset -f nvm_has npm
}
die () { echo $@ ; exit 1; }
. ../../../nvm.sh
nvm_has() { return 1; }
OUTPUT="$(nvm_print_npm_version)"
[ -z "$OUTPUT" ] || die "nvm_print_npm_version did not return empty when nvm_has returns 1, got '$OUTPUT'"
nvm_has() { return 0; }
npm() {
if [ "_$@" = "_--version" ]; then
echo "1.2.3"
else
echo "error"
fi
}
OUTPUT="$(nvm_print_npm_version)"
EXPECTED_OUTPUT=" (npm v1.2.3)"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_print_npm_version did not provided '$EXPECTED_OUTPUT', got '$OUTPUT'"
cleanup