scripts/assert.sh

   1 #
   2 #  Copyright (c) 2015 Marcus Rohrmoser http://mro.name/me. All rights reserved.
   3 #
   4 #  This program is free software: you can redistribute it and/or modify
   5 #  it under the terms of the GNU General Public License as published by
   6 #  the Free Software Foundation, either version 3 of the License, or
   7 #  (at your option) any later version.
   8 #
   9 #  This program is distributed in the hope that it will be useful,
  10 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 #  GNU General Public License for more details.
  13 #
  14 #  You should have received a copy of the GNU General Public License
  15 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17
  18 # insipired by https://github.com/lehmannro/assert.sh but much more primitive.
  19
  20 # terminal colors (require bash)
  21 # http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/x329.html
  22 # http://wiki.bash-hackers.org/scripting/terminalcodes
  23 FGC_NONE="\033[0m"
  24 FGC_GRAY="\033[1;30m"
  25 FGC_RED="\033[1;31m"
  26 FGC_GREEN="\033[1;32m"
  27 FGC_YELLOW="\033[1;33m"
  28 FGC_BLUE="\033[1;34m"
  29 FGC_PURPLE="\033[1;35m"
  30 FGC_CYAN="\033[1;36m"
  31 FGC_WHITE="\033[1;37m"
  32 BGC_GRAY="\033[7;30m"
  33 BGC_RED="\033[7;31m"
  34 BGC_GREEN="\033[7;32m"
  35 BGC_YELLOW="\033[7;33m"
  36 BGC_BLUE="\033[7;34m"
  37 BGC_PURPLE="\033[7;35m"
  38 BGC_CYAN="\033[7;36m"
  39 BGC_WHITE="\033[7;37m"
  40
  41 assert_fail() {
  42   local CODE="${1}" MESSAGE="${2}"
  43   echo -e "${BGC_RED}assert_fail (${CODE}): ${MESSAGE}${FGC_NONE}"
  44   exit $1
  45 }
  46
  47 assert_equal() {
  48   local EXPECTED="${1}" ACTUAL="${2}" CODE="${3}" MESSAGE="${4}"
  49   if [ ! "${EXPECTED}" = "${ACTUAL}" ] ; then
  50     echo -e "${BGC_RED}assert_equal${FGC_NONE} (${CODE}): ${MESSAGE}  expected: \"${FGC_GREEN}${EXPECTED}${FGC_NONE}\" != actual: \"${FGC_RED}${ACTUAL}${FGC_NONE}\""
  51     exit $3
  52   fi
  53 }
  54
  55 assert_fgrep() {
  56   local PATTERN="${1}" ACTUAL="${2}" CODE="${3}" MESSAGE="${4}"
  57   echo "${ACTUAL}" | fgrep "${PATTERN}" 1> /dev/null 2>&1 || { \
  58     echo -e "${BGC_RED}assert_equal${FGC_NONE} (${CODE}): ${MESSAGE}  pattern: \"${FGC_GREEN}${PATTERN}${FGC_NONE}\" != actual: \"${FGC_RED}${ACTUAL}${FGC_NONE}\"" \
  59     && exit $3 ; \
  60   }
  61 }