Source

virtualenvwrapper / tests / shunit2

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# $Id: shunit2 277 2008-10-29 21:20:22Z kate.ward@forestent.com $
# vim:et:ft=sh:sts=2:sw=2
# vim:foldmethod=marker:foldmarker=/**,*/
#
#/**
# <?xml version="1.0" encoding="UTF-8"?>
# <s:shelldoc xmlns:s="http://www.forestent.com/projects/shelldoc/xsl/2005.0">
# <s:header>
# shUnit 2.1.5
# Shell Unit Test Framework
#
# http://shunit2.googlecode.com/
#
# written by Kate Ward &lt;kate.ward@forestent.com&gt;
# released under the LGPL
#
# This module implements a xUnit based unit test framework similar to JUnit.
# </s:header>
#*/

SHUNIT_VERSION='2.1.5'

SHUNIT_TRUE=0
SHUNIT_FALSE=1
SHUNIT_ERROR=2

_shunit_warn() { echo "shunit2:WARN $@" >&2; }
_shunit_error() { echo "shunit2:ERROR $@" >&2; }
_shunit_fatal() { echo "shunit2:FATAL $@" >&2; }

# specific shell checks
if [ -n "${ZSH_VERSION:-}" ]; then
  setopt |grep "^shwordsplit$" >/dev/null
  if [ $? -ne ${SHUNIT_TRUE} ]; then
    _shunit_fatal 'zsh shwordsplit option is required for proper operation'
    exit ${SHUNIT_ERROR}
  fi
  if [ -z "${SHUNIT_PARENT:-}" ]; then
    _shunit_fatal "zsh does not pass \$0 through properly. please declare \
\"SHUNIT_PARENT=\$0\" before calling shUnit2"
    exit ${SHUNIT_ERROR}
  fi
fi

#
# constants
#

__SHUNIT_ASSERT_MSG_PREFIX='ASSERT:'
__SHUNIT_PARENT=${SHUNIT_PARENT:-$0}

# set the constants readonly
shunit_constants_=`set |grep '^__SHUNIT_' |cut -d= -f1`
echo "${shunit_constants_}" |grep '^Binary file' >/dev/null \
    && shunit_constants_=`set |grep -a '^__SHUNIT_' |cut -d= -f1`
for shunit_constant_ in ${shunit_constants_}; do
  shunit_ro_opts_=''
  case ${ZSH_VERSION:-} in
    '') ;;  # this isn't zsh
    [123].*) ;;  # early versions (1.x, 2.x, 3.x)
    *) shunit_ro_opts_='-g' ;;  # all later versions. declare readonly globally
  esac
  readonly ${shunit_ro_opts_} ${shunit_constant_}
done
unset shunit_constant_ shunit_constants_ shunit_ro_opts_

# variables
__shunit_skip=${SHUNIT_FALSE}
__shunit_suite=''

# counts of tests
__shunit_testSuccess=${SHUNIT_TRUE}
__shunit_testsTotal=0
__shunit_testsPassed=0
__shunit_testsFailed=0

# counts of asserts
__shunit_assertsTotal=0
__shunit_assertsPassed=0
__shunit_assertsFailed=0
__shunit_assertsSkipped=0

__shunit_lineno=''
__shunit_reportGenerated=${SHUNIT_FALSE}

# macros
_SHUNIT_LINENO_='eval __shunit_lineno=""; if [ "${1:-}" = "--lineno" ]; then [ -n "$2" ] && __shunit_lineno="[$2] "; shift 2; fi'

#-----------------------------------------------------------------------------
# assert functions
#

#/**
# <s:function group="asserts">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>assertEquals</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>expected</parameter></paramdef>
#       <paramdef>string <parameter>actual</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Asserts that <emphasis>expected</emphasis> and
#   <emphasis>actual</emphasis> are equal to one another. The message is
#   optional.</para>
# </entry>
# </s:function>
#*/
assertEquals()
{
  ${_SHUNIT_LINENO_}
  if [ $# -lt 2 -o $# -gt 3 ]; then
    _shunit_error "assertEquals() requires two or three arguments; $# given"
    _shunit_error "1: ${1:+$1} 2: ${2:+$2} 3: ${3:+$3}"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

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

  shunit_return=${SHUNIT_TRUE}
  if [ "${shunit_expected_}" = "${shunit_actual_}" ]; then
    _shunit_assertPass
  else
    failNotEquals "${shunit_message_}" "${shunit_expected_}" "${shunit_actual_}"
    shunit_return=${SHUNIT_FALSE}
  fi

  unset shunit_message_ shunit_expected_ shunit_actual_
  return ${shunit_return}
}
_ASSERT_EQUALS_='eval assertEquals --lineno "${LINENO:-}"'

#/**
# <s:function group="asserts">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>assertNotEquals</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>unexpected</parameter></paramdef>
#       <paramdef>string <parameter>actual</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Asserts that <emphasis>unexpected</emphasis> and
#   <emphasis>actual</emphasis> are <emphasis role="strong">not</emphasis>
#   equal to one another. The message is optional.</para>
# </entry>
# </s:function>
#*/
assertNotEquals()
{
  ${_SHUNIT_LINENO_}
  if [ $# -lt 2 -o $# -gt 3 ]; then
    _shunit_error "assertNotEquals() requires two or three arguments; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

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

  shunit_return=${SHUNIT_TRUE}
  if [ "${shunit_unexpected_}" != "${shunit_actual_}" ]; then
    _shunit_assertPass
  else
    failSame "${shunit_message_}" "$@"
    shunit_return=${SHUNIT_FALSE}
  fi

  unset shunit_message_ shunit_unexpected_ shunit_actual_
  return ${shunit_return}
}
_ASSERT_NOT_EQUALS_='eval assertNotEquals --lineno "${LINENO:-}"'

#/**
# <s:function group="asserts">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>assertNull</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>value</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Asserts that <emphasis>value</emphasis> is <literal>null</literal>,
#   or in shell terms a zero-length string. The message is optional.</para>
# </entry>
# </s:function>
#*/
assertNull()
{
  ${_SHUNIT_LINENO_}
  if [ $# -lt 1 -o $# -gt 2 ]; then
    _shunit_error "assertNull() requires one or two arguments; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  shunit_message_=${__shunit_lineno}
  if [ $# -eq 2 ]; then
    shunit_message_="${shunit_message_}$1"
    shift
  fi
  assertTrue "${shunit_message_}" "[ -z '$1' ]"
  shunit_return=$?

  unset shunit_message_
  return ${shunit_return}
}
_ASSERT_NULL_='eval assertNull --lineno "${LINENO:-}"'

#/**
# <s:function group="asserts">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>assertNotNull</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>value</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Asserts that <emphasis>value</emphasis> is <emphasis
#   role="strong">not</emphasis> <literal>null</literal>, or in shell terms not
#   a zero-length string. The message is optional.</para>
# </entry>
# </s:function>
#*/
assertNotNull()
{
  ${_SHUNIT_LINENO_}
  if [ $# -gt 2 ]; then  # allowing 0 arguments as $1 might actually be null
    _shunit_error "assertNotNull() requires one or two arguments; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  shunit_message_=${__shunit_lineno}
  if [ $# -eq 2 ]; then
    shunit_message_="${shunit_message_}$1"
    shift
  fi
  assertTrue "${shunit_message_}" "[ -n '${1:-}' ]"
  shunit_return=$?

  unset shunit_message_
  return ${shunit_return}
}
_ASSERT_NOT_NULL_='eval assertNotNull --lineno "${LINENO:-}"'

#/**
# <s:function group="asserts">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>assertSame</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>expected</parameter></paramdef>
#       <paramdef>string <parameter>actual</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>This function is functionally equivalent to
#   <function>assertEquals</function>.</para>
# </entry>
# </s:function>
#*/
assertSame()
{
  ${_SHUNIT_LINENO_}
  if [ $# -lt 2 -o $# -gt 3 ]; then
    _shunit_error "assertSame() requires one or two arguments; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  shunit_message_=${__shunit_lineno}
  if [ $# -eq 3 ]; then
    shunit_message_="${shunit_message_}$1"
    shift
  fi
  assertEquals "${shunit_message_}" "$1" "$2"
  shunit_return=$?

  unset shunit_message_
  return ${shunit_return}
}
_ASSERT_SAME_='eval assertSame --lineno "${LINENO:-}"'

#/**
# <s:function group="asserts">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>assertNotSame</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>unexpected</parameter></paramdef>
#       <paramdef>string <parameter>actual</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Asserts that <emphasis>unexpected</emphasis> and
#   <emphasis>actual</emphasis> are <emphasis role="strong">not</emphasis>
#   equal to one another. The message is optional.</para>
# </entry>
# </s:function>
#*/
assertNotSame()
{
  ${_SHUNIT_LINENO_}
  if [ $# -lt 2 -o $# -gt 3 ]; then
    _shunit_error "assertNotSame() requires two or three arguments; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  shunit_message_=${__shunit_lineno}
  if [ $# -eq 3 ]; then
    shunit_message_="${shunit_message_:-}$1"
    shift
  fi
  assertNotEquals "${shunit_message_}" "$1" "$2"
  shunit_return=$?

  unset shunit_message_
  return ${shunit_return}
}
_ASSERT_NOT_SAME_='eval assertNotSame --lineno "${LINENO:-}"'

#/**
# <s:function group="asserts">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>assertTrue</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>condition</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Asserts that a given shell test condition is true. The message is
#   optional.</para>
#   <para>Testing whether something is true or false is easy enough by using
#   the assertEquals/assertNotSame functions. Shell supports much more
#   complicated tests though, and a means to support them was needed. As such,
#   this function tests that conditions are true or false through evaluation
#   rather than just looking for a true or false.</para>
#   <funcsynopsis>
#     The following test will succeed: <funcsynopsisinfo>assertTrue "[ 34 -gt 23 ]"</funcsynopsisinfo>
#     The folloing test will fail with a message: <funcsynopsisinfo>assertTrue "test failed" "[ -r '/non/existant/file' ]"</funcsynopsisinfo>
#   </funcsynopsis>
# </entry>
# </s:function>
#*/
assertTrue()
{
  ${_SHUNIT_LINENO_}
  if [ $# -gt 2 ]; then
    _shunit_error "assertTrue() takes one two arguments; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  shunit_message_=${__shunit_lineno}
  if [ $# -eq 2 ]; then
    shunit_message_="${shunit_message_}$1"
    shift
  fi
  shunit_condition_=$1

  # see if condition is an integer, i.e. a return value
  shunit_match_=`expr "${shunit_condition_}" : '\([0-9]*\)'`
  shunit_return=${SHUNIT_TRUE}
  if [ -z "${shunit_condition_}" ]; then
    # null condition
    shunit_return=${SHUNIT_FALSE}
  elif [ "${shunit_condition_}" = "${shunit_match_}" ]; then
    # possible return value. treating 0 as true, and non-zero as false.
    [ ${shunit_condition_} -ne 0 ] && shunit_return=${SHUNIT_FALSE}
  else
    # (hopefully) a condition
    ( eval ${shunit_condition_} ) >/dev/null 2>&1
    [ $? -ne 0 ] && shunit_return=${SHUNIT_FALSE}
  fi

  # record the test
  if [ ${shunit_return} -eq ${SHUNIT_TRUE} ]; then
    _shunit_assertPass
  else
    _shunit_assertFail "${shunit_message_}"
  fi

  unset shunit_message_ shunit_condition_ shunit_match_
  return ${shunit_return}
}
_ASSERT_TRUE_='eval assertTrue --lineno "${LINENO:-}"'

#/**
# <s:function group="asserts">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>assertFalse</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>condition</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Asserts that a given shell test condition is false. The message is
#   optional.</para>
#   <para>Testing whether something is true or false is easy enough by using
#   the assertEquals/assertNotSame functions. Shell supports much more
#   complicated tests though, and a means to support them was needed. As such,
#   this function tests that conditions are true or false through evaluation
#   rather than just looking for a true or false.</para>
#   <funcsynopsis>
#     The following test will succeed: <funcsynopsisinfo>assertFalse "[ 'apples' = 'oranges' ]"</funcsynopsisinfo>
#     The folloing test will fail with a message: <funcsynopsisinfo>assertFalse "test failed" "[ 1 -eq 1 -a 2 -eq 2 ]"</funcsynopsisinfo>
#   </funcsynopsis>
# </entry>
# </s:function>
#*/
assertFalse()
{
  ${_SHUNIT_LINENO_}
  if [ $# -lt 1 -o $# -gt 2 ]; then
    _shunit_error "assertFalse() quires one or two arguments; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  shunit_message_=${__shunit_lineno}
  if [ $# -eq 2 ]; then
    shunit_message_="${shunit_message_}$1"
    shift
  fi
  shunit_condition_=$1

  # see if condition is an integer, i.e. a return value
  shunit_match_=`expr "${shunit_condition_}" : '\([0-9]*\)'`
  shunit_return=${SHUNIT_TRUE}
  if [ -z "${shunit_condition_}" ]; then
    # null condition
    shunit_return=${SHUNIT_FALSE}
  elif [ "${shunit_condition_}" = "${shunit_match_}" ]; then
    # possible return value. treating 0 as true, and non-zero as false.
    [ ${shunit_condition_} -eq 0 ] && shunit_return=${SHUNIT_FALSE}
  else
    # (hopefully) a condition
    ( eval ${shunit_condition_} ) >/dev/null 2>&1
    [ $? -eq 0 ] && shunit_return=${SHUNIT_FALSE}
  fi

  # record the test
  if [ ${shunit_return} -eq ${SHUNIT_TRUE} ]; then
    _shunit_assertPass
  else
    _shunit_assertFail "${shunit_message_}"
  fi

  unset shunit_message_ shunit_condition_ shunit_match_
  return ${shunit_return}
}
_ASSERT_FALSE_='eval assertFalse --lineno "${LINENO:-}"'

#-----------------------------------------------------------------------------
# failure functions
#

#/**
# <s:function group="failures">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>fail</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Fails the test immediately, with the optional message.</para>
# </entry>
# </s:function>
#*/
fail()
{
  ${_SHUNIT_LINENO_}
  if [ $# -gt 1 ]; then
    _shunit_error "fail() requires one or two arguments; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  shunit_message_=${__shunit_lineno}
  if [ $# -eq 1 ]; then
    shunit_message_="${shunit_message_}$1"
    shift
  fi

  _shunit_assertFail "${shunit_message_}"

  unset shunit_message_
  return ${SHUNIT_FALSE}
}
_FAIL_='eval fail --lineno "${LINENO:-}"'

#/**
# <s:function group="failures">
# <entry align="right">
#   <emphasis>void</emphasis>
# </entry>
# <entry>
#   <funcsynopsis>
#     <funcprototype>
#       <funcdef><function>failNotEquals</function></funcdef>
#       <paramdef>string <parameter>[message]</parameter></paramdef>
#       <paramdef>string <parameter>unexpected</parameter></paramdef>
#       <paramdef>string <parameter>actual</parameter></paramdef>
#     </funcprototype>
#   </funcsynopsis>
#   <para>Fails the test if <emphasis>unexpected</emphasis> and
#   <emphasis>actual</emphasis> are <emphasis role="strong">not</emphasis>
#   equal to one another. The message is optional.</para>
# </entry>
# </s:function>
#*/
failNotEquals()
{
  ${_SHUNIT_LINENO_}
  if [ $# -lt 2 -o $# -gt 3 ]; then
    _shunit_error "failNotEquals() requires one or two arguments; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

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

  _shunit_assertFail "${shunit_message_:+${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 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; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

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

  _shunit_assertFail "${shunit_message_:+${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>Indicate test failure because arguments were not the same. 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; $# given"
    return ${SHUNIT_ERROR}
  fi
  _shunit_shouldSkip && return ${SHUNIT_TRUE}

  shunit_message_=${__shunit_lineno}
  if [ $# -eq 3 ]; then
    shunit_message_="${shunit_message_}$1"
    shift
  fi
  failNotEquals "${shunit_message_}" "$1" "$2"
  shunit_return=$?

  unset shunit_message_
  return ${shunit_return}
}
_FAIL_NOT_SAME_='eval failNotSame --lineno "${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()
{
  shunit_func_=${1:-}

  __shunit_suite="${__shunit_suite:+${__shunit_suite} }${shunit_func_}"
  __shunit_testsTotal=`expr ${__shunit_testsTotal} + 1`

  unset shunit_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
#

# 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
    _shunit_random_=`od -vAn -N4 -tx4 </dev/urandom |sed 's/^[^0-9a-f]*//'`
  elif [ -n "${RANDOM:-}" ]; then
    # $RANDOM works
    _shunit_random_=${RANDOM}${RANDOM}${RANDOM}$$
  else
    # $RANDOM doesn't work
    _shunit_date_=`date '+%Y%m%d%H%M%S'`
    _shunit_random_=`expr ${_shunit_date_} / $$`
  fi

  _shunit_tmpDir_="${TMPDIR:-/tmp}/shunit.${_shunit_random_}"
  ( umask 077 && mkdir "${_shunit_tmpDir_}" ) || {
    _shunit_fatal 'could not create temporary directory! exiting'
    exit ${SHUNIT_FALSE}
  }

  echo ${_shunit_tmpDir_}
  unset _shunit_date_ _shunit_random_ _shunit_tmpDir_
}

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

  unset _shunit_file_
}

_shunit_cleanup()
{
  _shunit_name_=$1

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

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

  # exit for all non-EXIT signals
  if [ ${_shunit_name_} != 'EXIT' ]; then
    _shunit_warn "trapped and now handling the (${_shunit_name_}) signal"
    # disable EXIT trap
    trap 0
    # add 128 to signal and exit
    exit `expr ${_shunit_signal_} + 128`
  elif [ ${__shunit_reportGenerated} -eq ${SHUNIT_FALSE} ] ; then
    _shunit_assertFail 'Unknown failure encountered running a test'
    _shunit_generateReport
    exit ${SHUNIT_ERROR}
  fi

  unset _shunit_name_ _shunit_signal_
}

# The actual running of the tests happens here.
_shunit_execSuite()
{
  for _shunit_test_ in ${__shunit_suite}; do
    __shunit_testSuccess=${SHUNIT_TRUE}

    # disable skipping
    endSkipping

    # execute the per-test setup function
    setUp

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

    # execute the per-test tear-down function
    tearDown

    # update stats
    if [ ${__shunit_testSuccess} -eq ${SHUNIT_TRUE} ]; then
      __shunit_testsPassed=`expr ${__shunit_testsPassed} + 1`
    else
      __shunit_testsFailed=`expr ${__shunit_testsFailed} + 1`
    fi
  done

  unset _shunit_test_
}

# This function exits shUnit2 with the appropriate error code and OK/FAILED
# message.
_shunit_generateReport()
{
  _shunit_ok_=${SHUNIT_TRUE}

  # if no exit code was provided one, determine an appropriate one
  [ ${__shunit_testsFailed} -gt 0 \
      -o ${__shunit_testSuccess} -eq ${SHUNIT_FALSE} ] \
          && _shunit_ok_=${SHUNIT_FALSE}

  echo
  if [ ${__shunit_testsTotal} -eq 1 ]; then
    echo "Ran ${__shunit_testsTotal} test."
  else
    echo "Ran ${__shunit_testsTotal} tests."
  fi

  _shunit_failures_=''
  _shunit_skipped_=''
  [ ${__shunit_assertsFailed} -gt 0 ] \
      && _shunit_failures_="failures=${__shunit_assertsFailed}"
  [ ${__shunit_assertsSkipped} -gt 0 ] \
      && _shunit_skipped_="skipped=${__shunit_assertsSkipped}"

  if [ ${_shunit_ok_} -eq ${SHUNIT_TRUE} ]; then
    _shunit_msg_='OK'
    [ -n "${_shunit_skipped_}" ] \
        && _shunit_msg_="${_shunit_msg_} (${_shunit_skipped_})"
  else
    _shunit_msg_="FAILED (${_shunit_failures_}"
    [ -n "${_shunit_skipped_}" ] \
        && _shunit_msg_="${_shunit_msg_},${_shunit_skipped_}"
    _shunit_msg_="${_shunit_msg_})"
  fi

  echo
  echo ${_shunit_msg_}
  __shunit_reportGenerated=${SHUNIT_TRUE}

  unset _shunit_failures_ _shunit_msg_ _shunit_ok_ _shunit_skipped_
}

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

_shunit_assertPass()
{
  __shunit_assertsPassed=`expr ${__shunit_assertsPassed} + 1`
  __shunit_assertsTotal=`expr ${__shunit_assertsTotal} + 1`
}

_shunit_assertFail()
{
  _shunit_msg_=$1

  __shunit_testSuccess=${SHUNIT_FALSE}
  __shunit_assertsFailed=`expr ${__shunit_assertsFailed} + 1`
  __shunit_assertsTotal=`expr ${__shunit_assertsTotal} + 1`
  echo "${__SHUNIT_ASSERT_MSG_PREFIX}${_shunit_msg_}"

  unset _shunit_msg_
}

_shunit_assertSkip()
{
  __shunit_assertsSkipped=`expr ${__shunit_assertsSkipped} + 1`
  __shunit_assertsTotal=`expr ${__shunit_assertsTotal} + 1`
}

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

# create a temporary storage location
__shunit_tmpDir=`_shunit_mktempDir`

# provide a public temporary directory for unit test scripts
# TODO(kward): document this
shunit_tmpDir="${__shunit_tmpDir}/tmp"
mkdir "${shunit_tmpDir}"

# 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 the report
_shunit_generateReport

# that's it folks
[ ${__shunit_testsFailed} -eq 0 ]
exit $?

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