view tests/test-utils.sh @ 562:dfeb5ef768da

Usually a commitment phobe but everybody has they're first time. Include mant structural changes and additional definition in line with what Christophe has asked for. Some of the schemas are more complicated than Id like - I will try to think of more elegant ways of specification.

# no shebang line: this file should be sourced by run-test.sh files

set -E

trap "exit 1" ERR

if [ -z "${AUDIODB}" ]; then
  AUDIODB=../../audioDB
fi

# FIXME: maybe generalize to multiple arguments?  Also, implement it
# properly, rather than just for a few floats that we know how to
# encode.  This might involve writing some C code, as Bash doesn't do
# Floating Point.  (scanf() is probably enough).

expect_clean_error_exit() {
  trap - ERR
  "$@"
  exit_code=$?
  trap "exit 1" ERR
  if [ $exit_code -eq 0 ]; then
    exit 1
  elif [ $exit_code -ge 126 ]; then
    exit 1
  fi
}

floatstring() {
  for arg in "$@"; do
    case ${arg} in
      0)
        printf "\x00\x00\x00\x00\x00\x00\x00\x00";;
      -0.5)
        printf "\x00\x00\x00\x00\x00\x00\xe0\xbf";;
      0.5)
        printf "\x00\x00\x00\x00\x00\x00\xe0\x3f";;
      -1)
        printf "\x00\x00\x00\x00\x00\x00\xf0\xbf";;
      1)
        printf "\x00\x00\x00\x00\x00\x00\xf0\x3f";;
      *)
        echo "bad arg to floatstring(): ${arg}"
        exit 1;;
    esac
  done
}

# FIXME: likewise.  And endianness issues (which are a reflection of
# the endianness of audioDB as of 2007-09-18, unfortunately).

intstring() {
  # works up to 9 for now
  if [ $1 -ge 10 ]; then echo "intstring() arg too large: ${1}"; exit 1; fi
  printf "%b\x00\x00\x00" "\\x${1}"
}

# Web services utilities
start_server() {
  $1 -s $2 &
  # HACK: deal with race on process creation
  sleep 1
  trap 'kill $!; exit 1' ERR
}

stop_server() {
  grep "${AUDIODB}" /proc/$1/cmdline > /dev/null
  kill $1
  # HACK: deal with race on process exit
  sleep 1
  expect_clean_error_exit grep ${AUDIODB} /proc/$1/cmdline
}

check_server() {
  grep "${AUDIODB}" /proc/$1/cmdline > /dev/null
}

expect_client_failure() {
  trap - ERR
  "$@"
  exit_code=$?
  trap "exit 1" ERR
  if [ $exit_code -eq 0 ]; then
    exit 1
  elif [ $exit_code -ge 126 ]; then
    exit 1
  fi
}