[Tests] fix broken tests exposed by 863bd63

Leaves 2 non-executable, + some TODOs

test/fast/Unit tests/Running 'nvm install --save' works as expected'

@@ -4,40 +4,58 @@
 
 set -e
 
-TEST_VERSION="v0.2.4"
+TEST_VERSION='v0.2.4'
 
 if [ -f .nvmrc ]; then mv .nvmrc .nvmrc.orig; fi
 
-cleanup () {
+cleanup() {
   nvm cache clear
   nvm deactivate
   nvm unalias default
-  rm -rf ${NVM_DIR}/v* .nvmrc
+  rm -rf "${NVM_DIR}/v0.2.4" .nvmrc
   if [ -f .nvmrc.orig ]; then mv .nvmrc.orig .nvmrc; fi
   unset -f nvm_ls_remote nvm_ls_remote_iojs
 }
 
-die () {
+die() {
   echo "$@"
   cleanup
   exit 1
 }
 
-REMOTE="$PWD/mocks/nvm_ls_remote.txt"
+REMOTE="${PWD}/mocks/nvm_ls_remote.txt"
 nvm_ls_remote() {
-  cat "$REMOTE"
+  if [ -n "${PATTERN}" ]; then
+    cat "${REMOTE}" | \grep "${PATTERN}"
+  else
+    cat "${REMOTE}"
+  fi
 }
 REMOTE_IOJS="$PWD/mocks/nvm_ls_remote_iojs.txt"
 nvm_ls_remote_iojs() {
-  cat "$REMOTE_IOJS"
+  local PATTERN
+  PATTERN="${1-}"
+  if [ -n "${PATTERN}" ]; then
+    cat "${REMOTE_IOJS}" | \grep "${PATTERN}"
+  else
+    cat "${REMOTE_IOJS}"
+  fi
 }
 
-make_fake_node "$TEST_VERSION"
+make_fake_node "${TEST_VERSION}"
 
-nvm install --save "$TEST_VERSION" || die "\`nvm install --save $TEST_VERSION\` failed"
+nvm install -w "${TEST_VERSION}" || die "\`nvm install -w ${TEST_VERSION}\` failed"
 OUTPUT="$(cat .nvmrc)"
 
-nvm_is_valid_version "$(cat .nvmrc)" \
-  || die "\`nvm install --save $TEST_VERSION\`+ \`cat .nvmrc\` outputted invalid version: got '${OUTPUT}'"
+nvm_is_valid_version "${OUTPUT}" \
+  || die "\`nvm install -w ${TEST_VERSION}\`+ \`cat .nvmrc\` outputted invalid version: got '${OUTPUT}'"
+
+rm .nvmrc || die 'removing of .nvmrc failed'
+
+nvm install --save "${TEST_VERSION}" || die "\`nvm install --save ${TEST_VERSION}\` failed"
+OUTPUT="$(cat .nvmrc)"
+
+nvm_is_valid_version "${OUTPUT}" \
+  || die "\`nvm install --save ${TEST_VERSION}\`+ \`cat .nvmrc\` outputted invalid version: got '${OUTPUT}'"
 
 cleanup