test/fast/Aliases/Running "nvm alias" lists implicit aliases when they do not exist

#!/bin/sh

. ../../../nvm.sh

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

NVM_ALIAS_OUTPUT=$(nvm alias)

EXPECTED_STABLE="$(nvm_print_implicit_alias local stable)"
STABLE_VERSION="$(nvm_version "$EXPECTED_STABLE")"
echo "$NVM_ALIAS_OUTPUT" | \grep -e "^stable -> $EXPECTED_STABLE (-> $STABLE_VERSION) (default)$" \
  || die "nvm alias did not contain the default local stable node version"

echo "$NVM_ALIAS_OUTPUT" | \grep -e "^node -> stable (-> $STABLE_VERSION) (default)$" \
  || die "nvm alias did not contain the default local stable node version under 'node'"

EXPECTED_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
UNSTABLE_VERSION="$(nvm_version "$EXPECTED_UNSTABLE")"
echo "$NVM_ALIAS_OUTPUT" | \grep -e "^unstable -> $EXPECTED_UNSTABLE (-> $UNSTABLE_VERSION) (default)$" \
  || die "nvm alias did not contain the default local unstable node version"

EXPECTED_IOJS="$(nvm_print_implicit_alias local iojs)"
IOJS_VERSION="$(nvm_version "$EXPECTED_IOJS")"
echo "$NVM_ALIAS_OUTPUT" | \grep -e "^iojs -> $EXPECTED_IOJS (-> $IOJS_VERSION) (default)$" \
  || die "nvm alias did not contain the default local iojs version"