#!/bin/sh

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

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

return_zero () { return 0; }

[ "$(nvm deactivate > /dev/null 2>&1 ; nvm_ls_current)" = "system" ] || die 'when deactivated, did not return "system"'

TEST_PWD=$(pwd)
TEST_DIR="$TEST_PWD/nvm_ls_current_tmp"
rm -rf "$TEST_DIR"
mkdir "$TEST_DIR"
ln -s "$(which which)" "$TEST_DIR/which"
ln -s "$(which dirname)" "$TEST_DIR/dirname"

[ "$(PATH="$TEST_DIR" nvm_ls_current)" = "none" ] || die 'when node not installed, nvm_ls_current did not return "none"'
[ "@$(PATH="$TEST_DIR" nvm_ls_current 2> /dev/stdout 1> /dev/null)@" = "@@" ] || die 'when node not installed, nvm_ls_current returned error output'

echo "#!/bin/bash" > "$TEST_DIR/node"
echo "echo 'VERSION FOO!'" > "$TEST_DIR/node"
chmod a+x "$TEST_DIR/node"

[ "$(alias nvm_tree_contains_path='return_zero' && PATH="$TEST_DIR" nvm_ls_current)" = "VERSION FOO!" ] || die 'when activated, did not return nvm node version'

rm -rf "$TEST_DIR"