diff --git a/test/bats/fast.bats b/test/bats/fast.bats
index fff641c..7092f6a 100644
--- a/test/bats/fast.bats
+++ b/test/bats/fast.bats
@@ -10,7 +10,7 @@ test_debug() {
 }
 
 test_implementing() {
-    true # set to 'false' to run all tests; set to 'true' to skip implemented tests
+    false # set to 'false' to run all tests; set to 'true' to skip implemented tests
     # only used while porting to bats: remove afterward
 }
 
@@ -140,3 +140,85 @@ teardown() {
     assert_equal 8 "$status" "Expected exit code 8 (infinite alias loop)"
     assert_match "$output" 'The alias "foo" leads to an infinite loop. Aborting.'
 }
+
+@test 'Running "nvm use system" should work as expected' {
+    test_implementing && skip
+
+    # NOTE: undocumented assumption of this test is
+    # that node is installed on the test machine!
+    # TODO: fix that, by using a mock
+
+    nvm_has_system_node() { return 0; }
+    run nvm use system
+    assert_equal 0 "$status" "Expect success in using system node"
+    assert_match "$output" 'Now using system version of node:'
+
+    nvm_has_system_node() { return 1; }
+    run nvm use system
+    assert_equal 127 "$status" "Expect failure when no system node"
+    assert_match "$output" 'System version of node not found.'
+}
+
+@test 'Running "nvm use x" should create and change the "current" symlink' {
+    test_implementing && skip
+
+    export NVM_SYMLINK_CURRENT=true
+
+    mkdir -p v0.10.29
+    nvm use 0.10.29
+    rmdir v0.10.29
+
+    # TODO make this a proper assert
+    [ -L current ] # "expected 'current' symlink to be created"
+
+    oldLink="$(readlink current)"
+
+    assert_equal "$(basename $oldLink)" "v0.10.29" "Expected 'current' to point to v0.10.29 but was $oldLink"
+
+    mkdir v0.11.13
+    nvm use 0.11.13
+    rmdir v0.11.13
+
+    newlink="$(readlink current)"
+
+    assert_equal "$(basename $newlink)" "v0.11.13" "Expected 'current' to point to v0.11.13 but was $newLink"
+}
+
+@test 'Running "nvm use x" should not create the "current" symlink if $NVM_SYMLINK_CURRENT is false' {
+    test_implementing && skip
+
+    test_symlink_made() {
+        local arg="$1"
+
+        mkdir v0.10.29
+
+        if [ "$arg" = "undef" ]
+        then
+            unset NVM_SYMLINK_CURRENT
+        else 
+            NVM_SYMLINK_CURRENT="$arg"
+        fi
+
+        run nvm use 0.10.29
+        run [ -L current ]
+        result="$status"
+
+        rm -f current
+        rmdir v0.10.29
+
+        return $result
+    }
+
+    test_symlink_made 'true'
+
+    ! test_symlink_made 'false'
+    ! test_symlink_made 'garbagevalue'
+    ! test_symlink_made 0
+    ! test_symlink_made 1
+    ! test_symlink_made 'undef'
+}
+
+@test 'Sourcing nvm.sh should make the nvm command available.' {
+
+    nvm
+}
diff --git a/test/bats/fast-raw.bats b/test/bats/unit-tests.bats
similarity index 54%
rename from test/bats/fast-raw.bats
rename to test/bats/unit-tests.bats
index 00a5593..8a751de 100644
--- a/test/bats/fast-raw.bats
+++ b/test/bats/unit-tests.bats
@@ -1,821 +1,35 @@
 #!/usr/bin/env bats
 
+load test_helper
+
 NVM_SRC_DIR="${BATS_TEST_DIRNAME}/../.."
-load "${NVM_SRC_DIR}/nvm.sh"
+source "${NVM_SRC_DIR}/nvm.sh"
+
+test_debug() {
+    false # set to 'true' to get setup/teardown in test stderr
+}
+
+test_implementing() {
+    true # set to 'false' to run all tests; set to 'true' to skip implemented tests
+    # only used while porting to bats: remove afterward
+}
 
 setup() {
-    echo 'setup' >&2
+    test_debug && echo 'setup' >&2
     NVM_DIR="${BATS_TMPDIR}"
     cd "${NVM_DIR}"
     rm -Rf src alias v*
     mkdir src alias
+    load "${NVM_SRC_DIR}/nvm.sh"
 }
 
 teardown() {
-    echo 'teardown' >&2
+    test_debug && echo 'teardown' >&2
     NVM_DIR="${BATS_TMPDIR}"
     cd "${NVM_DIR}"
     rm -Rf src alias v*
 }
 
-@test './Aliases/nvm_resolve_alias' {
-##!/bin/sh
-#
-#die () { echo $@ ; exit 1; }
-#
-#. ../../../nvm.sh
-#
-#EXIT_CODE=$(nvm_resolve_alias ; echo $?)
-#[ $EXIT_CODE = "1" ] || die "nvm_resolve_alias without an argument did not return 1; got $EXIT_CODE"
-#
-#for i in $(seq 1 10)
-#  do
-#  STABLE_ALIAS="$(nvm_resolve_alias test-stable-$i)"
-#  [ "_$STABLE_ALIAS" = "_v0.0.$i" ] \
-#    || die "'nvm_resolve_alias test-stable-$i' was not v0.0.$i; got $STABLE_ALIAS"
-#  UNSTABLE_ALIAS="$(nvm_resolve_alias test-unstable-$i)"
-#  [ "_$UNSTABLE_ALIAS" = "_v0.1.$i" ] \
-#    || die "'nvm_resolve_alias test-unstable-$i' was not v0.1.$i; got $UNSTABLE_ALIAS"
-#done
-#
-#EXIT_CODE=$(nvm_resolve_alias nonexistent ; echo $?)
-#[ $EXIT_CODE = "2" ] || die "'nvm_resolve_alias nonexistent' did not return 2; got $EXIT_CODE"
-#
-#STABLE="$(nvm_resolve_alias stable)"
-#[ "_$STABLE" = "_v0.0.10" ] || die "'nvm_resolve_alias stable' was not v0.0.10; got $STABLE"
-#
-#UNSTABLE="$(nvm_resolve_alias unstable)"
-#[ "_$UNSTABLE" = "_v0.1.10" ] || die "'nvm_resolve_alias unstable' was not v0.1.10; got $UNSTABLE"
-#
-}
-
-@test './Aliases/Running "nvm alias <aliasname>" should list but one alias.' {
-##!/bin/sh
-#
-#. ../../../nvm.sh
-#[ $(nvm alias test-stable-1 | wc -l) = '2' ]
-}
-
-@test './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 
-#
-#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 
-#
-}
-
-@test './Aliases/Running "nvm alias" lists manual aliases instead of implicit aliases when present' {
-##!/bin/sh
-#
-#. ../../../nvm.sh
-#
-#die () { echo $@ ; cleanup ; exit 1; }
-#cleanup () {
-#  rm -rf ../../../alias/stable
-#  rm -rf ../../../alias/unstable
-#  rm -rf ../../../v0.8.1
-#  rm -rf ../../../v0.9.1
-#}
-#
-#mkdir ../../../v0.8.1
-#mkdir ../../../v0.9.1
-#
-#EXPECTED_STABLE="$(nvm_print_implicit_alias local stable)"
-#STABLE_VERSION="$(nvm_version "$EXPECTED_STABLE")"
-#
-#EXPECTED_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
-#UNSTABLE_VERSION="$(nvm_version "$EXPECTED_UNSTABLE")"
-#
-#[ "_$STABLE_VERSION" != "_$UNSTABLE_VERSION" ] \
-#  || die "stable and unstable versions are the same!"
-#
-#nvm alias stable "$EXPECTED_UNSTABLE"
-#nvm alias unstable "$EXPECTED_STABLE"
-#
-#NVM_ALIAS_OUTPUT=$(nvm alias)
-#
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e "^stable -> $EXPECTED_UNSTABLE (-> $UNSTABLE_VERSION)$" \
-#  || die "nvm alias did not contain the overridden 'stable' alias"
-#
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e "^unstable -> $EXPECTED_STABLE (-> $STABLE_VERSION)$" \
-#  || die "nvm alias did not contain the overridden 'unstable' alias"
-#
-#cleanup
-#
-}
-
-@test './Aliases/Running "nvm alias" should list all aliases.' {
-##!/bin/sh
-#
-#. ../../../nvm.sh
-#
-#die () { echo $@ ; exit 1; }
-#
-#NVM_ALIAS_OUTPUT=$(nvm alias)
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-1 -> 0.0.1 (-> v0.0.1)$' \
-#  || die "did not find test-stable-1 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-2 -> 0.0.2 (-> v0.0.2)$' \
-#  || die "did not find test-stable-2 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-3 -> 0.0.3 (-> v0.0.3)$' \
-#  || die "did not find test-stable-3 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-4 -> 0.0.4 (-> v0.0.4)$' \
-#  || die "did not find test-stable-4 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-5 -> 0.0.5 (-> v0.0.5)$' \
-#  || die "did not find test-stable-5 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-6 -> 0.0.6 (-> v0.0.6)$' \
-#  || die "did not find test-stable-6 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-7 -> 0.0.7 (-> v0.0.7)$' \
-#  || die "did not find test-stable-7 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-8 -> 0.0.8 (-> v0.0.8)$' \
-#  || die "did not find test-stable-8 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-9 -> 0.0.9 (-> v0.0.9)$' \
-#  || die "did not find test-stable-9 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-10 -> 0.0.10 (-> v0.0.10)$' \
-#  || die "did not find test-stable-10 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-1 -> 0.1.1 (-> v0.1.1)$' \
-#  || die "did not find test-unstable-1 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-2 -> 0.1.2 (-> v0.1.2)$' \
-#  || die "did not find test-unstable-2 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-3 -> 0.1.3 (-> v0.1.3)$' \
-#  || die "did not find test-unstable-3 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-4 -> 0.1.4 (-> v0.1.4)$' \
-#  || die "did not find test-unstable-4 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-5 -> 0.1.5 (-> v0.1.5)$' \
-#  || die "did not find test-unstable-5 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-6 -> 0.1.6 (-> v0.1.6)$' \
-#  || die "did not find test-unstable-6 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-7 -> 0.1.7 (-> v0.1.7)$' \
-#  || die "did not find test-unstable-7 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-8 -> 0.1.8 (-> v0.1.8)$' \
-#  || die "did not find test-unstable-8 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-9 -> 0.1.9 (-> v0.1.9)$' \
-#  || die "did not find test-unstable-9 alias"
-#echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-10 -> 0.1.10 (-> v0.1.10)$' \
-#  || die "did not find test-unstable-10 alias"
-#
-}
-
-@test './Aliases/setup' {
-##!/bin/sh
-#
-#for i in $(seq 1 10)
-#  do
-#  echo 0.0.$i > ../../../alias/test-stable-$i
-#  mkdir -p ../../../v0.0.$i
-#  echo 0.1.$i > ../../../alias/test-unstable-$i
-#  mkdir -p ../../../v0.1.$i
-#done
-}
-
-@test './Aliases/teardown' {
-##!/bin/sh
-#
-#for i in $(seq 1 10)
-#  do
-#  rm -f "../../../alias/test-stable-$i"
-#  rm -rf "../../../v0.0.$i"
-#  rm -f "../../../alias/test-unstable-$i"
-#  rm -rf "../../../v0.1.$i"
-#done
-#
-#rm -f "../../../alias/stable"
-#rm -f "../../../alias/unstable"
-#
-}
-
-@test './Listing versions/Running "nvm ls 0.0.2" should display only version 0.0.2.' {
-##!/bin/sh
-#
-#mkdir ../../../v0.0.2
-#mkdir ../../../v0.0.20
-#
-#. ../../../nvm.sh
-#
-#die () { echo $@ ; exit 1; }
-#
-## The result should contain only the appropriate version numbers.
-#
-#nvm ls 0.0.2 | grep 'v0.0.2' > /dev/null
-#if [ $? -eq 0 ]; then
-#  echo '"nvm ls 0.0.2" contained v0.0.2'
-#fi
-#
-#nvm ls 0.0.2 | grep 'v0.0.20' > /dev/null
-#if [ $? -eq 0 ]; then
-#  die '"nvm ls 0.0.2" contained v0.0.20'
-#fi
-#
-}
-
-@test './Listing versions/Running "nvm ls 0.2" should display only 0.2.x versions.' {
-##!/bin/sh
-#
-#mkdir ../../../v0.1.3
-#mkdir ../../../v0.2.3
-#mkdir ../../../v0.20.3
-#
-#. ../../../nvm.sh
-#
-#die () { echo $@ ; exit 1; }
-#
-## The result should contain only the appropriate version numbers.
-#
-#nvm ls 0.1 | grep 'v0.2.3' > /dev/null
-#if [ $? -eq 0 ]; then
-#  echo '"nvm ls 0.1" contained v0.2.3'
-#fi
-#
-#nvm ls 0.1 | grep 'v0.20.3' > /dev/null
-#if [ $? -eq 0 ]; then
-#  die '"nvm ls 0.1" contained v0.20.3'
-#fi
-#
-#nvm ls 0.1 | grep 'v0.1.3' > /dev/null
-#if [ $? -ne 0  ]; then
-#  die '"nvm ls 0.1" did not contain v0.1.3'
-#fi
-#
-#nvm ls 0.2 | grep 'v0.2.3' > /dev/null
-#if [ $? -ne 0  ]; then
-#  die '"nvm ls 0.2" did not contain v0.2.3'
-#fi
-#
-#nvm ls 0.2 | grep 'v0.20.3' > /dev/null
-#if [ $? -eq 0  ]; then
-#  die '"nvm ls 0.2" contained v0.20.3'
-#fi
-#
-#nvm ls 0.2 | grep 'v0.2.3' > /dev/null
-#if [ $? -ne 0  ]; then
-#  die '"nvm ls 0.2" did not contain v0.2.3'
-#fi
-}
-
-@test './Listing versions/Running "nvm ls foo" should return a nonzero exit code when not found' {
-# #!/bin/sh
-#
-#. ../../../nvm.sh
-#
-#nvm ls nonexistent_version
-#[ "$?" = "3" ]
-#
-}
-
-@test './Listing versions/Running "nvm ls node" should return a nonzero exit code when not found' {
-# #!/bin/sh
-#
-#. ../../../nvm.sh
-#
-#nvm ls node
-#[ "$?" = "3" ]
-#
-}
-
-@test './Listing versions/Running "nvm ls stable" and "nvm ls unstable" should return the appropriate implicit alias' {
-# #!/bin/sh
-#
-#. ../../../nvm.sh
-#
-#die () { echo $@ ; exit 1; }
-#
-#mkdir ../../../v0.2.3
-#mkdir ../../../v0.3.3
-#
-#EXPECTED_STABLE="$(nvm_print_implicit_alias local stable)"
-#STABLE_VERSION="$(nvm_version "$EXPECTED_STABLE")"
-#
-#EXPECTED_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
-#UNSTABLE_VERSION="$(nvm_version "$EXPECTED_UNSTABLE")"
-#
-#nvm ls stable | \grep "$STABLE_VERSION" >/dev/null \
-#  || die "expected 'nvm ls stable' to give $STABLE_VERSION, got $(nvm ls stable)"
-#
-#nvm ls unstable | \grep "$UNSTABLE_VERSION" >/dev/null \
-#  || die "expected 'nvm ls unstable' to give $UNSTABLE_VERSION, got $(nvm ls unstable)"
-#
-#mkdir ../../../v0.1.2
-#nvm alias stable 0.1
-#
-#nvm ls stable | \grep -v "$STABLE_VERSION" >/dev/null \
-#  || die "'nvm ls stable' contained $STABLE_VERSION instead of v0.1.2"
-#nvm ls stable | \grep v0.1.2 >/dev/null \
-#  || die "'nvm ls stable' did not contain v0.1.2"
-#
-}
-
-@test './Listing versions/Running "nvm ls system" should include "system" when appropriate' {
-##!/bin/sh
-#
-#die () { echo $@ ; exit 1; }
-#
-#. ../../../nvm.sh
-#
-#mkdir -p ../../../v0.0.1
-#mkdir -p ../../../v0.0.3
-#mkdir -p ../../../v0.0.9
-#mkdir -p ../../../v0.3.1
-#mkdir -p ../../../v0.3.3
-#mkdir -p ../../../v0.3.9
-#
-#nvm_has_system_node() { return 0; }
-#nvm ls system | grep system 2>&1 > /dev/null
-#[ $? -eq 0 ] || die '"nvm ls system" did not contain "system" when system node is present'
-#
-#nvm_has_system_node() { return 1; }
-#nvm ls system | grep system 2>&1 > /dev/null
-#[ $? -ne 0 ] || die '"nvm ls system" contained "system" when system node is not present'
-#
-}
-
-@test './Listing versions/Running "nvm ls" should display all installed versions.' {
-##!/bin/sh
-#
-#. ../../../nvm.sh
-#
-#mkdir ../../../v0.0.1
-#mkdir ../../../v0.0.3
-#mkdir ../../../v0.0.9
-#mkdir ../../../v0.3.1
-#mkdir ../../../v0.3.3
-#mkdir ../../../v0.3.9
-#
-## The result should contain the version numbers.
-#nvm ls | grep v0.0.1 &&
-#nvm ls | grep v0.0.3 &&
-#nvm ls | grep v0.0.9 &&
-#nvm ls | grep v0.3.1 &&
-#nvm ls | grep v0.3.3 &&
-#nvm ls | grep v0.3.9
-}
-
-@test './Listing versions/Running "nvm ls" should filter out ".nvm"' {
-##!/bin/sh
-#
-#mkdir ../../../v0.1.3
-#mkdir ../../../v0.2.3
-#
-#. ../../../nvm.sh
-#
-#[ -z `nvm ls | grep '^ *\.'` ]
-## The result should contain only the appropriate version numbers.
-}
-
-@test './Listing versions/Running "nvm ls" should filter out "versions"' {
-##!/bin/sh
-#
-#mkdir ../../../v0.1.3
-#mkdir ../../../v0.2.3
-#mkdir ../../../versions
-#
-#. ../../../nvm.sh
-#
-#[ -z "$(nvm ls | \grep 'versions')" ]
-## The result should contain only the appropriate version numbers.
-#
-}
-
-@test './Listing versions/Running "nvm ls" should include "system" when appropriate' {
-##!/bin/sh
-#
-#die () { echo $@ ; exit 1; }
-#
-#. ../../../nvm.sh
-#
-#mkdir -p ../../../v0.0.1
-#mkdir -p ../../../v0.0.3
-#mkdir -p ../../../v0.0.9
-#mkdir -p ../../../v0.3.1
-#mkdir -p ../../../v0.3.3
-#mkdir -p ../../../v0.3.9
-#
-#nvm_has_system_node() { return 0; }
-#nvm ls | grep system 2>&1 > /dev/null
-#[ $? -eq 0 ] || die '"nvm ls" did not contain "system" when system node is present'
-#
-#nvm_has_system_node() { return 1; }
-#nvm ls | grep system 2>&1 > /dev/null
-#[ $? -ne 0 ] || die '"nvm ls" contained "system" when system node is not present'
-#
-}
-
-@test './Listing versions/Running "nvm ls" should list versions in the "versions" directory' {
-##!/bin/sh
-#
-#die () { echo $@ ; exit 1; }
-#
-#mkdir -p ../../../versions/v0.12.1
-#mkdir ../../../v0.1.3
-#
-#. ../../../nvm.sh
-#
-#nvm ls 0.12 | grep v0.12.1 || die '"nvm ls" did not list a version in the versions/ directory'
-#nvm ls 0.1 | grep v0.1.3 || die '"nvm ls" did not list a version not in the versions/ directory'
-#
-}
-
-@test './Listing versions/Running "nvm ls" with node-like versioning vx.x.x should only list a matched version' {
-##!/bin/sh
-#
-#mkdir ../../../v0.1.2
-#
-#. ../../../nvm.sh
-#
-#nvm ls v0.1 | grep v0.1.2 &&
-#nvm ls v0.1.2 | grep v0.1.2 &&
-#nvm ls v0.1. | grep v0.1.2 &&
-#nvm ls v0.1.1 | grep N/A
-#
-}
-
-@test './Listing versions/teardown' {
-#rmdir ../../../v0.0.1 >/dev/null 2>&1
-#rmdir ../../../v0.0.2 >/dev/null 2>&1
-#rmdir ../../../v0.0.3 >/dev/null 2>&1
-#rmdir ../../../v0.0.9 >/dev/null 2>&1
-#rmdir ../../../v0.0.20 >/dev/null 2>&1
-#rmdir ../../../v0.1.2 >/dev/null 2>&1
-#rmdir ../../../v0.1.3 >/dev/null 2>&1
-#rmdir ../../../v0.2.3 >/dev/null 2>&1
-#rmdir ../../../v0.3.1 >/dev/null 2>&1
-#rmdir ../../../v0.3.3 >/dev/null 2>&1
-#rmdir ../../../v0.3.9 >/dev/null 2>&1
-#rmdir ../../../v0.20.3 >/dev/null 2>&1
-#rmdir ../../../versions >/dev/null 2>&1
-#unalias nvm_has_system_node >/dev/null 2>&1
-#rm -f ../../../alias/stable >/dev/null 2>&1
-#rm -f ../../../alias/unstable >/dev/null 2>&1
-#
-}
-
-@test './Running "nvm alias" should create a file in the alias directory.' {
-##!/bin/sh
-#
-#. ../../nvm.sh
-#nvm alias test v0.1.2
-#[ "$(cat ../../alias/test)" = "v0.1.2" ]
-}
-
-@test './Running "nvm current" should display current nvm environment.' {
-##!/bin/sh
-#
-#die () { echo $@ ; exit 1; }
-#
-#. ../../nvm.sh
-#
-#nvm deactivate 2>&1
-#
-#[ "$(nvm current)" = "system" ] || [ "$(nvm current)" = "none" ] || die '"nvm current" did not report "system" or "none" when deactivated'
-#
-}
-
-@test './Running "nvm deactivate" should unset the nvm environment variables.' {
-##!/bin/sh
-#
-#mkdir -p ../../v0.2.3
-#
-#die () { echo $@ ; exit 1; }
-#
-#[ `expr $PATH : ".*v0.2.3/.*/bin"` = 0 ] || echo "WARNING: Unexpectedly found v0.2.3 already active" >&2
-#
-#. ../../nvm.sh
-#nvm use v0.2.3 || die "Failed to activate v0.2.3"
-#[ `expr "$PATH" : ".*v0.2.3/.*/bin"` != 0 ] || die "PATH not set up properly"
-#[ `expr "$NODE_PATH" : ".*v0.2.3/.*/lib/node_modules"` = 0 ] || die "NODE_PATH should not contain (npm root -g)"
-## ^ note: NODE_PATH should not contain `npm root -g` since globals should not be requireable
-#
-#nvm deactivate || die "Failed to deactivate v0.2.3"
-#[ `expr "$PATH" : ".*v0.2.3/.*/bin"` = 0 ] || die "PATH not cleaned properly"
-#[ `expr "$NODE_PATH" : ".*v0.2.3/.*/lib/node_modules"` = 0 ] || die "NODE_PATH not cleaned properly"
-}
-
-@test './Running "nvm install" with "--reinstall-packages-from" requires a valid version' {
-##!/bin/sh
-#
-#die () { echo $@ ; cleanup ; exit 1; }
-#cleanup () {
-#  rm -rf ../../v0.10.4
-#}
-#
-#mkdir ../../v0.10.4
-#
-#. ../../nvm.sh
-#
-#nvm deactivate >/dev/null 2>&1
-#
-#INSTALL_ERROR_MSG="$(nvm install v0.10.5 --reinstall-packages-from=0.11 2>&1)"
-#EXPECTED_ERROR_MSG="If --reinstall-packages-from is provided, it must point to an installed version of node."
-#[ "~$INSTALL_ERROR_MSG" = "~$EXPECTED_ERROR_MSG" ] \
-#  || die ""nvm install --reinstall-packages-from" should fail when given an uninstalled version: expected '$EXPECTED_ERROR_MSG', got '$INSTALL_ERROR_MSG'"
-#
-#INSTALL_EXIT_CODE="$(nvm install v0.10.5 --reinstall-packages-from=0.11 >/dev/null 2>&1; echo $?)"
-#[ "~$INSTALL_EXIT_CODE" = "~5" ] \
-#  || die ""nvm install --reinstall-packages-from" should exit with code 5 when given an uninstalled version, got $INSTALL_EXIT_CODE"
-#
-#INSTALL_ERROR_MSG="$(nvm install v0.10.5 --reinstall-packages-from=0.10.5 2>&1)"
-#EXPECTED_ERROR_MSG="You can't reinstall global packages from the same version of node you're installing."
-#[ "~$INSTALL_ERROR_MSG" = "~$EXPECTED_ERROR_MSG" ] \
-#  || die ""nvm install --reinstall-packages-from" should fail when given the same version: expected '$EXPECTED_ERROR_MSG', got '$INSTALL_ERROR_MSG'"
-#
-#INSTALL_EXIT_CODE="$(nvm install v0.10.5 --reinstall-packages-from=0.10.5 >/dev/null 2>&1; echo $?)"
-#[ "~$INSTALL_EXIT_CODE" = "~4" ] \
-#  || die ""nvm install --reinstall-packages-from" should exit with code 4 when given the same version, got $INSTALL_EXIT_CODE"
-#
-}
-
-@test './Running "nvm install" with an invalid version fails nicely' {
-##!/bin/sh
-#
-#die () { echo $@ ; exit 1; }
-#
-#. ../../nvm.sh
-#[ "$(nvm install invalid.invalid 2>&1)" = "Version 'invalid.invalid' not found - try \`nvm ls-remote\` to browse available versions." ] || die "nvm installing an invalid version did not print a nice error message"
-#
-}
-
-@test './Running "nvm unalias" should remove the alias file.' {
-##!/bin/sh
-#
-#echo v0.1.2 > ../../alias/test
-#. ../../nvm.sh
-#nvm unalias test
-#! [ -e ../../alias/test ]
-}
-
-@test './Running "nvm uninstall" should remove the appropriate directory.' {
-##!/bin/sh
-#
-#cd ../..
-#mkdir v0.0.1
-#mkdir src/node-v0.0.1
-#
-#. ./nvm.sh
-#nvm uninstall v0.0.1
-#
-#[ ! -d 'v0.0.1' ] && [ ! -d 'src/node-v0.0.1' ]
-}
-
-@test './Running "nvm unload" should unset all function and variables.' {
-##!/bin/sh
-#
-#fail () { echo $@ ; exit 1; }
-#
-#. ../../nvm.sh
-#
-#type nvm > /dev/null 2>&1 || fail "NVM not loaded"
-#
-#nvm unload
-#
-#type nvm > /dev/null 2>&1 && fail "NVM not unloaded" || exit 0
-#
-}
-
-@test './Running "nvm use foo" where "foo" is circular aborts' {
-##!/bin/sh
-#
-#die () { echo $@ ; cleanup ; exit 1; }
-#
-#cleanup() {
-#  rm -rf ../../alias/foo
-#}
-#
-#. ../../nvm.sh
-#
-#echo 'foo' > ../../alias/foo
-#
-#OUTPUT="$(nvm use foo 2>&1)"
-#EXPECTED_OUTPUT='The alias "foo" leads to an infinite loop. Aborting.'
-#[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] \
-#  || die "'nvm use foo' did not output '$EXPECTED_OUTPUT'; got '$OUTPUT'"
-#
-#EXIT_CODE="$(nvm use foo 2>/dev/null ; echo $?)"
-#[ "_$EXIT_CODE" = "_8" ] || die "Expected exit code 8; got $EXIT_CODE"
-#
-#cleanup;
-#
-}
-
-@test './Running "nvm use system" should work as expected' {
-##!/bin/sh
-#
-#die () { echo $@ ; exit 1; }
-#
-#. ../../nvm.sh
-#
-#nvm_has_system_node() { return 0; }
-#[ "$(nvm use system 2>&1 | tail -n1)" = "Now using system version of node: $(node -v)." ] || die "Could not use system version of node"
-#
-#nvm_has_system_node() { return 1; }
-#[ "$(nvm use system 2>&1 | tail -n1)" = "System version of node not found." ] || die "Did not report error, system node not found"
-#nvm use system 2>&1 > /dev/null || [ $? -eq 127 ] || die "Did not return error code, system node not found"
-#
-}
-
-@test './Running "nvm use x" should create and change the "current" symlink' {
-##!/bin/bash
-#
-#export NVM_SYMLINK_CURRENT=true
-#. ../../nvm.sh
-#
-#rm -rf ../../v0.10.29
-#mkdir ../../v0.10.29
-#nvm use 0.10.29
-#rmdir ../../v0.10.29
-#
-#if [ ! -L ../../current ];then
-#  echo "Expected 'current' symlink to be created!"
-#  exit 1
-#fi
-#
-#oldLink="$(readlink ../../current)"
-#
-#if [ "$(basename $oldLink)" != 'v0.10.29' ];then
-#  echo "Expected 'current' to point to v0.10.29 but was $oldLink"
-#  exit 1
-#fi
-#
-#rm -rf ../../v0.11.13
-#mkdir ../../v0.11.13
-#nvm use 0.11.13
-#rmdir ../../v0.11.13
-#
-#newLink="$(readlink ../../current)"
-#
-#if [ "$(basename $newLink)" != 'v0.11.13' ];then
-#  echo "Expected 'current' to point to v0.11.13 but was $newLink"
-#  exit 1
-#fi
-}
-
-@test './Running "nvm use x" should not create the "current" symlink if $NVM_SYMLINK_CURRENT is false' {
-##!/bin/bash
-#
-#. ../../nvm.sh
-#
-#TEST_NODE_VERSION="v0.10.29"
-#
-#TEST_COUNT=0
-#TEST_PASSED=0
-#TEST_FAILED=0
-#
-#function registerExpectedSymlink() {
-#  registerResult ${1}
-#}
-#
-#function registerExpectedNoSymlink() {
-#  [ ${1} -ne 0 ]
-#  registerResult $?
-#}
-#
-#function registerResult() {
-#  result=${1}
-#
-#  TEST_COUNT=$(($TEST_COUNT + 1))
-#
-#  [ ${result} -eq 0 ] \
-#    && TEST_PASSED=$(($TEST_PASSED + 1)) \
-#    || TEST_FAILED=$(($TEST_FAILED + 1))
-#}
-#
-#function cleanup() {
-#  rm -rf ../../${TEST_NODE_VERSION}
-#  rm -f ../../current
-#}
-#
-#function runNvmUse() {
-#  mkdir ../../${TEST_NODE_VERSION}
-#  nvm use ${TEST_NODE_VERSION} > /dev/null 2>&1
-#  rmdir ../../${TEST_NODE_VERSION}
-#}
-#
-#function isCurrentSymlinkPresent() {
-#  [ -L ../../current ]
-#}
-#
-#NVM_SYMLINK_CURRENT=false
-#cleanup
-#runNvmUse
-#isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT=false!"
-#registerExpectedNoSymlink $?
-#
-#NVM_SYMLINK_CURRENT=true
-#cleanup
-#runNvmUse
-#isCurrentSymlinkPresent || echo >&2 "Expected 'current' symlink to be created when NVM_SYMLINK_CURRENT=true!"
-#registerExpectedSymlink $?
-#
-#NVM_SYMLINK_CURRENT=garbagevalue
-#cleanup
-#runNvmUse
-#isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT contains a string!"
-#registerExpectedNoSymlink $?
-#
-#NVM_SYMLINK_CURRENT=0
-#cleanup
-#runNvmUse
-#isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT=0!"
-#registerExpectedNoSymlink $?
-#
-#NVM_SYMLINK_CURRENT=1
-#cleanup
-#runNvmUse
-#isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT=1!"
-#registerExpectedNoSymlink $?
-#
-#unset NVM_SYMLINK_CURRENT
-#cleanup
-#runNvmUse
-#isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT has been unset (default behaviour)!"
-#registerExpectedNoSymlink $?
-#
-#cleanup
-#
-#[ ${TEST_FAILED} -ne 0 ] && echo "${TEST_COUNT} tested, ${TEST_PASSED} passed, ${TEST_FAILED} failed" && exit 1 || true
-#
-}
-
-@test './setup' {
-##!/bin/sh
-#
-#(
-#  cd ../..
-#
-#  # Back up
-#
-#  type setopt >/dev/null 2>&1 && setopt NULL_GLOB
-#  type shopt >/dev/null 2>&1 && shopt -s nullglob
-#  rm -Rf v* src alias
-#  mkdir src alias
-#)
-}
-
-@test './setup_dir' {
-##!/bin/sh
-#
-#(
-#  cd ../..
-#
-#  # Back up
-#
-#  mkdir -p bak
-#  for SRC in v* src alias; do
-#    [ -e "$SRC" ] && mv "$SRC" bak
-#  done
-#  if [ -d versions ]; then
-#    mv versions bak
-#  fi
-#  true
-#)
-}
-
-@test './Sourcing nvm.sh should make the nvm command available.' {
-##!/bin/sh
-#
-#. ../../nvm.sh
-#nvm
-}
-
-@test './teardown' {
-##!/bin/sh
-#
-## Remove temporary files
-#(
-#  cd ../..
-#
-#  type setopt >/dev/null 2>&1 && setopt NULL_GLOB
-#  type shopt >/dev/null 2>&1 && shopt -s nullglob
-#  rm -fR v* src alias
-#)
-}
-
-@test './teardown_dir' {
-##!/bin/sh
-#
-#(
-#  cd ../..
-#
-#  # Restore
-#  if [ -d bak ]
-#    then
-#    mv bak/* . > /dev/null 2>&1 || sleep 0s
-#    rmdir bak
-#  fi
-#  mkdir -p src alias
-#)
-}
-
 @test './Unit tests/nvm_alias' {
 ##!/bin/sh
 #