shunit2

unified configuration interface. small configuration library for programs written in c, can be used

  if [ $# -eq 3 ]; then
    shunit_message_="${shunit_message_}$1"
    shift
  fi
  shunit_unexpected_=$1
  shunit_actual_=$2

  _shunit_testFailed "${shunit_message_:+${shunit_message_} }expected:<${shunit_unexpected_}> but was:<${shunit_actual_}>"

  unset shunit_message_ shunit_unexpected_ shunit_actual_
  return ${SHUNIT_FALSE}
}
_FAIL_NOT_EQUALS_='eval failNotEquals --lineno "${LINENO:-}"'

#/**
# <s:function group="failures">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>failSame</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Indicate test failure because arguments were not the same. The
#   message is optional.</para>
# </entry>
# </s:function>
#*/
failSame()
{
  ${_SHUNIT_LINENO_}
  if [ $# -lt 2 -o $# -gt 3 ]; then
    _shunit_error 'failSame() requires two or three arguments'
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  [ -z "${shunit_message_:-}" ] && shunit_message_=''
  if [ $# -eq 3 ]; then
    shunit_message_="${shunit_message_}$1"
    shift
  fi

  _shunit_testFailed "${shunit_message_:+${shunit_message_} }expected not same"

  unset shunit_message_
  return ${SHUNIT_FALSE}
}
_FAIL_SAME_='eval failSame --lineno "${LINENO:-}"'

#/**
# <s:function group="failures">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>failNotSame</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>expected</parameter></paramdef>
#       <paramdef>string <parameter>actual</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Fails the test if <emphasis>expected</emphasis> and
#   <emphasis>actual</emphasis> are equal to one another. The message is
#   optional.</para>
# </entry>
# </s:function>
#*/
failNotSame()
{
  ${_SHUNIT_LINENO_}
  if [ $# -lt 2 -o $# -gt 3 ]; then
    _shunit_error 'failNotEquals() requires one or two arguments'
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  if [ $# -eq 2 ]; then
    failNotEquals "$1" "$2"
  else
    failNotEquals "$1" "$2" "$3"
  fi
}
_FAIL_NOT_SAME_='eval failNotSame --lineno "${LINENO:-}"'

#-----------------------------------------------------------------------------
# skipping functions
#

#/**
# <s:function group="skipping">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>startSkipping</function></funcdef>
#       <paramdef />
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function forces the remaining assert and fail functions to be
#   "skipped", i.e. they will have no effect. Each function skipped will be
#   recorded so that the total of asserts and fails will not be altered.</para>
# </entry>
# </s:function>
#*/
startSkipping()
{
  __shunit_skip=${SHUNIT_TRUE}
}

#/**
# <s:function group="skipping">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>endSkipping</function></funcdef>
#       <paramdef />
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function returns calls to the assert and fail functions to their
#   default behavior, i.e. they will be called.</para>
# </entry>
# </s:function>
#*/
endSkipping()
{
  __shunit_skip=${SHUNIT_FALSE}
}

#/**
# <s:function group="skipping">
# <entry align="right">
#   <emphasis>boolean</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>isSkipping</function></funcdef>
#       <paramdef />
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function returns the state of skipping.</para>
# </entry>
# </s:function>
#*/
isSkipping()
{
  return ${__shunit_skip}
}

#-----------------------------------------------------------------------------
# suite functions
#

#/**
# <s:function group="suites">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>suite</function></funcdef>
#       <paramdef />
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function can be optionally overridden by the user in their test
#   suite.</para>
#   <para>If this function exists, it will be called when
#   <command>shunit2</command> is sourced. If it does not exist, shUnit2 will
#   search the parent script for all functions beginning with the word
#   <literal>test</literal>, and they will be added dynamically to the test
#   suite.</para>
# </entry>
# </s:function>
#*/
# Note: see _shunit_mktempFunc() for actual implementation
# suite() { :; }

#/**
# <s:function group="suites">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>suite_addTest</function></funcdef>
#       <paramdef>string <parameter>function</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function adds a function name to the list of tests scheduled for
#   execution as part of this test suite. This function should only be called
#   from within the <function>suite()</function> function.</para>
# </entry>
# </s:function>
#*/
suite_addTest()
{
  _su_func=${1:-}

  __shunit_suite="${__shunit_suite:+${__shunit_suite} }${_su_func}"

  unset _su_func
}

#/**
# <s:function group="suites">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>oneTimeSetUp</function></funcdef>
#       <paramdef />
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function can be be optionally overridden by the user in their
#   test suite.</para>
#   <para>If this function exists, it will be called once before any tests are
#   run. It is useful to prepare a common environment for all tests.</para>
# </entry>
# </s:function>
#*/
# Note: see _shunit_mktempFunc() for actual implementation
# oneTimeSetUp() { :; }

#/**
# <s:function group="suites">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>oneTimeTearDown</function></funcdef>
#       <paramdef />
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function can be be optionally overridden by the user in their
#   test suite.</para>
#   <para>If this function exists, it will be called once after all tests are
#   completed. It is useful to clean up the environment after all tests.</para>
# </entry>
# </s:function>
#*/
# Note: see _shunit_mktempFunc() for actual implementation
# oneTimeTearDown() { :; }

#/**
# <s:function group="suites">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>setUp</function></funcdef>
#       <paramdef />
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function can be be optionally overridden by the user in their
#   test suite.</para>
#   <para>If this function exists, it will be called before each test is run.
#   It is useful to reset the environment before each test.</para>
# </entry>
# </s:function>
#*/
# Note: see _shunit_mktempFunc() for actual implementation
# setUp() { :; }

#/**
# <s:function group="suites">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>tearDown</function></funcdef>
#       <paramdef />
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function can be be optionally overridden by the user in their
#   test suite.</para>
#   <para>If this function exists, it will be called after each test completes.
#   It is useful to clean up the environment after each test.</para>
# </entry>
# </s:function>
#*/
# Note: see _shunit_mktempFunc() for actual implementation
# tearDown() { :; }

#------------------------------------------------------------------------------
# internal shUnit2 functions
#

_shunit_cleanup()
{
  name=$1

  case ${name} in
    EXIT) signal=0 ;;
    INT) signal=2 ;;
    TERM) signal=15 ;;
    *)
      _shunit_warn "unrecognized trap value (${name})"
      signal=0
      ;;
  esac

  # do our work
  rm -fr "${__shunit_tmpDir}"

  # exit for all non-EXIT signals
  if [ ${name} != 'EXIT' ]; then
    _shunit_warn "trapped and now handling the (${name}) signal"
    _shunit_generateReport
    # disable EXIT trap
    trap 0
    # add 128 to signal and exit
    exit `expr ${signal} + 128`
  fi
}

_shunit_execSuite()
{
  echo '#'
  echo '# Performing tests'
  echo '#'
  for _su_func in ${__shunit_suite}; do
    # disable skipping
    endSkipping

    # execute the per-test setup function
    setUp

    # execute the test
    echo "${_su_func}"
    eval ${_su_func}

    # execute the per-test tear-down function
    tearDown
  done

  unset _su_func
}

_shunit_generateReport()
{
  _su__awkPercent='{printf("%4d %3.0f%%", $1, $1*100/$2)}'
  if [ ${__shunit_testsTotal:-0} -gt 0 ]; then
    _su__passed=`echo ${__shunit_testsPassed} ${__shunit_testsTotal} |\
        awk "${_su__awkPercent}"`
    _su__failed=`echo ${__shunit_testsFailed} ${__shunit_testsTotal} |\
        awk "${_su__awkPercent}"`
    _su__skipped=`echo ${__shunit_testsSkipped} ${__shunit_testsTotal} |\
        awk "${_su__awkPercent}"`
    _su__total=`echo ${__shunit_testsTotal} 100 |\
        awk '{printf("%4d %3d%%", $1, $2)}'`
  else
    _su__passed=`echo 0 0 |awk '{printf("%4d %3d%%", $1, $2)}'`
    _su__failed=${_su__passed}
    _su__skipped=${_su__passed}
    _su__total=${_su__passed}
  fi

  cat <<EOF

#
# Test report
#
tests passed:  ${_su__passed}
tests failed:  ${_su__failed}
tests skipped: ${_su__skipped}
tests total:   ${_su__total}
EOF

  unset _su__awkPercent _su__passed _su__failed _su__skipped _su__total
}

# this function is a cross-platform temporary directory creation tool. not all
# OSes have the mktemp function, so one is included here.
_shunit_mktempDir()
{
  # try the standard mktemp function
  ( exec mktemp -dqt shunit.XXXXXX 2>/dev/null ) && return

  # the standard mktemp didn't work.  doing our own.
  if [ -r '/dev/urandom' ]; then
    _su__random=`od -vAn -N4 -tx4 </dev/urandom |sed 's/^[^0-9a-f]*//'`
  elif [ -n "${RANDOM:-}" ]; then
    # $RANDOM works
    _su__random=${RANDOM}${RANDOM}${RANDOM}$$
  else
    # $RANDOM doesn't work
    _su__date=`date '+%Y%m%d%H%M%S'`
    _su__random=`expr ${_su__date} / $$`
  fi

  _su__tmpDir="${TMPDIR:-/tmp}/shunit.${_su__random}"
  ( umask 077 && mkdir "${_su__tmpDir}" ) || {
    echo 'shUnit:FATAL could not create temporary directory! exiting' >&2
    exit 1
  }

  echo ${_su__tmpDir}
  unset _su__date _su__random _su__tmpDir
}

# this function is here to work around issues in Cygwin
_shunit_mktempFunc()
{
  for _su__func in oneTimeSetUp oneTimeTearDown setUp tearDown suite; do
    _su__file="${__shunit_tmpDir}/${_su__func}"
    cat <<EOF >"${_su__file}"
#! /bin/sh
exit 0
EOF
    chmod +x "${_su__file}"
  done

  unset _su__file
}

_shunit_shouldSkip()
{
  [ ${__shunit_skip} -eq ${SHUNIT_FALSE} ] && return ${SHUNIT_FALSE}
  _shunit_testSkipped
}

_shunit_testPassed()
{
  __shunit_testsPassed=`expr ${__shunit_testsPassed} + 1`
  __shunit_testsTotal=`expr ${__shunit_testsTotal} + 1`
}

_shunit_testFailed()
{
  _su__msg=$1

  __shunit_testsFailed=`expr ${__shunit_testsFailed} + 1`
  __shunit_testsTotal=`expr ${__shunit_testsTotal} + 1`
  echo "${__SHUNIT_ASSERT_MSG_PREFIX}${_su__msg}" >&2

  unset _su__msg
}

_shunit_testSkipped()
{
  __shunit_testsSkipped=`expr ${__shunit_testsSkipped} + 1`
  __shunit_testsTotal=`expr ${__shunit_testsTotal} + 1`
}

#------------------------------------------------------------------------------
# main
#

# create a temporary storage location
__shunit_tmpDir=`_shunit_mktempDir`

# setup traps to clean up after ourselves
trap '_shunit_cleanup EXIT' 0
trap '_shunit_cleanup INT' 2
trap '_shunit_cleanup TERM' 15

# create phantom functions to work around issues with Cygwin
_shunit_mktempFunc
PATH="${__shunit_tmpDir}:${PATH}"

# execute the oneTimeSetUp function (if it exists)
oneTimeSetUp

# execute the suite function defined in the parent test script
# deprecated as of 2.1.0
suite

# if no suite function was defined, dynamically build a list of functions
if [ -z "${__shunit_suite}" ]; then
  shunit_funcs_=`grep "^[ \t]*test[A-Za-z0-9_]* *()" ${__SHUNIT_PARENT} \
      |sed 's/[^A-Za-z0-9_]//g'`
  for shunit_func_ in ${shunit_funcs_}; do
    suite_addTest ${shunit_func_}
  done
fi
unset shunit_func_ shunit_funcs_

# execute the tests
_shunit_execSuite

# execute the oneTimeTearDown function (if it exists)
oneTimeTearDown

# generate report
_shunit_generateReport

# restore the previous set of shell flags
for shunit_shellFlag_ in ${__SHUNIT_SHELL_FLAGS}; do
  echo ${shunit_shellFlags_} |grep ${shunit_shellFlag_} >/dev/null \
    || set +${shunit_shellFlag_}
done
unset shunit_shellFlag_ shunit_shellFlags_

[ ${__shunit_testsFailed} -eq 0 ] || exit 1

#/**
# </s:shelldoc>
#*/