#!/bin/sh

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

: nvm.sh
\. ../../../nvm.sh

for DIR in '/tmp/a&b/.nvm' '/tmp/a#b/.nvm' '/tmp/a[1]/.nvm' '/tmp/a*b/.nvm' '/tmp/a+(b)/.nvm' '/tmp/a.b/.nvm' '/tmp/a\b/.nvm' '/tmp/a$b/.nvm' '/tmp/a|b/.nvm'; do
  NVM_DIR="${DIR}"
  TEST_PATH="/opt/bin:${NVM_DIR}/versions/node/v4.5.0/bin:/usr/bin"

  # replace branch
  NEW_PATH="$(nvm_change_path "${TEST_PATH}" "/bin" "${NVM_DIR}/versions/node/v7.1.0")"
  EXPECTED="/opt/bin:${NVM_DIR}/versions/node/v7.1.0/bin:/usr/bin"
  [ "${NEW_PATH}" = "${EXPECTED}" ] || die "NVM_DIR=${DIR}: expected >${EXPECTED}<, got >${NEW_PATH}<"

  # system path precedes the nvm path: prepend instead of replacing
  SYSTEM_FIRST_PATH="/usr/bin:${NVM_DIR}/versions/node/v4.5.0/bin"
  NEW_PATH="$(nvm_change_path "${SYSTEM_FIRST_PATH}" "/bin" "${NVM_DIR}/versions/node/v7.1.0")"
  EXPECTED="${NVM_DIR}/versions/node/v7.1.0/bin:${SYSTEM_FIRST_PATH}"
  [ "${NEW_PATH}" = "${EXPECTED}" ] || die "NVM_DIR=${DIR} (system path first): expected >${EXPECTED}<, got >${NEW_PATH}<"

  # MANPATH call
  TEST_MANPATH="/opt/share/man:${NVM_DIR}/versions/node/v4.5.0/share/man:/usr/share/man"
  NEW_PATH="$(nvm_change_path "${TEST_MANPATH}" "/share/man" "${NVM_DIR}/versions/node/v7.1.0")"
  EXPECTED="/opt/share/man:${NVM_DIR}/versions/node/v7.1.0/share/man:/usr/share/man"
  [ "${NEW_PATH}" = "${EXPECTED}" ] || die "NVM_DIR=${DIR} (MANPATH): expected >${EXPECTED}<, got >${NEW_PATH}<"
done

# `.` in NVM_DIR must be escaped so it matches itself only, not "any character":
# an unrelated path entry that merely looks similar (some other char where the
# `.` is) must be left alone, not mistaken for an nvm path and rewritten.
NVM_DIR="/tmp/a.b/.nvm"
UNRELATED_PATH="/opt/bin:/tmp/aXb/.nvm/versions/node/v4.5.0/bin:/usr/bin"
NEW_PATH="$(nvm_change_path "${UNRELATED_PATH}" "/bin" "${NVM_DIR}/versions/node/v7.1.0")"
EXPECTED="${NVM_DIR}/versions/node/v7.1.0/bin:${UNRELATED_PATH}"
[ "${NEW_PATH}" = "${EXPECTED}" ] || die "unrelated PATH entry /tmp/aXb/.nvm/... should not be touched by NVM_DIR=${NVM_DIR}: expected >${EXPECTED}<, got >${NEW_PATH}<"