tests: include json script shunit2 based testing

Include shunit2 based tests into unit testing pipeline until
(eventually) it's converted to cram based unit tests.

Signed-off-by: Petr Štetiar <ynezz@true.cz>

4 files changed, 1335 insertions, 0 deletions

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 0cb3342..6258bee 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,4 +1,5 @@
 ADD_SUBDIRECTORY(cram)
+ADD_SUBDIRECTORY(shunit2)
 
 MACRO(ADD_UNIT_TEST name)
   ADD_EXECUTABLE(${name} ${name}.c)
diff --git a/tests/shunit2/CMakeLists.txt b/tests/shunit2/CMakeLists.txt
new file mode 100644
index 0000000..74c2134
--- /dev/null
+++ b/tests/shunit2/CMakeLists.txt
@@ -0,0 +1,7 @@
+ADD_TEST(
+	NAME shunit2
+	COMMAND tests.sh
+	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+SET_PROPERTY(TEST shunit2 APPEND PROPERTY ENVIRONMENT "TEST_JSON_SCRIPT=$<TARGET_FILE:test-json-script>")
diff --git a/tests/shunit2/shunit2/shunit2 b/tests/shunit2/shunit2/shunit2
new file mode 100644
index 0000000..eef19d4
--- /dev/null
+++ b/tests/shunit2/shunit2/shunit2
@@ -0,0 +1,1040 @@
+# $Id: shunit2 189 2008-07-11 11:46:54Z 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 2.1.4
+# Shell Unit Test Framework
+#
+# http://shunit2.sourceforge.net/
+#
+# 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='2.1.4'
+
+_shunit_warn() { echo "shunit2:WARN $@" >&2; }
+_shunit_error() { echo "shunit2:ERROR $@" >&2; }
+_shunit_fatal() { echo "shunit2:FATAL $@" >&2; }
+
+SHUNIT_TRUE=0
+SHUNIT_FALSE=1
+SHUNIT_ERROR=2
+
+# specific shell checks
+if [ -n "${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 ${SHUNIT_ERROR}
+  fi
+fi
+
+# shell flags for shunit2:
+# u - treat unset variables as an error when performing parameter expansion
+__SHUNIT_SHELL_FLAGS='u'
+
+# save the current set of shell flags, and then set some for ourself
+shunit_shellFlags_="$-"
+for shunit_shellFlag_ in `echo "${__SHUNIT_SHELL_FLAGS}" |sed 's/\(.\)/\1 /g'`
+do
+  set -${shunit_shellFlag_}
+done
+
+#
+# constants
+#
+
+__SHUNIT_ASSERT_MSG_PREFIX='ASSERT:'
+__SHUNIT_PARENT=${SHUNIT_PARENT:-$0}
+
+# set the constants readonly
+shunit_constants_=`set |grep "^__SHUNIT_" |cut -d= -f1`
+echo "${shunit_constants_}" |grep "^Binary file" >/dev/null
+if [ $? -eq 0 ]; then
+  # deal with binary junk in 'set' output
+  shunit_constants_=`set |grep -a "^__SHUNIT_" |cut -d= -f1`
+fi
+for shunit_const_ in ${shunit_constants_}; do
+  shunit_ro_opts_=''
+  if [ -n "${ZSH_VERSION:-}" ]; then
+    case ${ZSH_VERSION} in
+      [123].*) ;;
+      *) shunit_ro_opts_='-g' ;;  # declare readonly constants globally
+    esac
+  fi
+  readonly ${shunit_ro_opts_} ${shunit_const_}
+done
+unset shunit_const_ shunit_constants_ shunit_ro_opts_
+
+# variables
+__shunit_skip=${SHUNIT_FALSE}
+__shunit_suite=''
+
+__shunit_testsPassed=0
+__shunit_testsFailed=0
+__shunit_testsSkipped=0
+__shunit_testsTotal=0
+
+# macros
+_SHUNIT_LINENO_='eval if [ "${1:-}" = "--lineno" ]; then [ -n "$2" ] && shunit_message_="[$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 one or two 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_expected_=$1
+  shunit_actual_=$2
+
+  shunit_return=${SHUNIT_TRUE}
+  if [ "${shunit_expected_}" = "${shunit_actual_}" ]; then
+    _shunit_testPassed
+  else
+    failNotEquals "${shunit_message_}" "${shunit_expected_}" "${shunit_actual_}"
+    shunit_return=${SHUNIT_FALSE}
+  fi
+
+  unset shunit_message_ shunit_expected_ shunit_actual_ __shunit_lineno
+  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>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'
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  [ -z "${shunit_message_:-}" ] && shunit_message_=''
+  if [ $# -eq 2 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  if [ $# -eq 2 ]; then
+    assertTrue "${shunit_message_}$1" "[ -z '$2' ]"
+  else
+    assertTrue "[ -z '$1' ]"
+  fi
+}
+_ASSERT_NULL_='eval assertNull --lineno "${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'
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  if [ $# -eq 2 ]; then
+    assertTrue "$1" "[ -n '$2' ]"
+  else
+    assertTrue "[ -n '${1:-}' ]"
+  fi
+}
+_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'
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  if [ $# -eq 2 ]; then
+    assertEquals "$1" "$2"
+  else
+    assertEquals "$1" "$2" "$3"
+  fi
+}
+_ASSERT_SAME_='eval assertSame --lineno "${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'
+    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_unexpected_=$1
+  shunit_actual_=$2
+
+  shunit_return=${SHUNIT_TRUE}
+  if [ "${shunit_unexpected_}" != "${shunit_actual_}" ]; then
+    _shunit_testPassed
+  else
+    failSame "${shunit_message_}" "$@"
+    shunit_return=${SHUNIT_FALSE}
+  fi
+
+  unset shunit_message_ shunit_unexpected_ shunit_actual_
+  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'
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  [ -z "${shunit_message_:-}" ] && shunit_message_=''
+  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 ${SHUNIT_TRUE} ]; then
+    _shunit_testPassed
+  else
+    _shunit_testFailed "${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'
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  [ -z "${shunit_message_:-}" ] && shunit_message_=''
+  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 ${SHUNIT_TRUE} ]; then
+    _shunit_testPassed
+  else
+    _shunit_testFailed "${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'
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  [ -z "${shunit_message_:-}" ] && shunit_message_=''
+  if [ $# -eq 1 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+
+  _shunit_testFailed "${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'
+    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_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_
+
+[ ${__shunit_testsFailed} -eq 0 ] || exit 1
+
+#/**
+# </s:shelldoc>
+#*/
diff --git a/tests/shunit2/tests.sh b/tests/shunit2/tests.sh
new file mode 100755
index 0000000..b27775a
--- /dev/null
+++ b/tests/shunit2/tests.sh
@@ -0,0 +1,287 @@
+JSON_SCRIPT=tests.json
+JSON_SCRIPT_BIN=${TEST_JSON_SCRIPT=:-./json_script-example}
+FILE_STDOUT=tests.stdout
+FILE_STDERR=tests.stderr
+FILE_EXPECTED=tests.expected
+
+call_json_script() {
+	#export LD_PRELOAD=../libjson_script.so
+	$JSON_SCRIPT_BIN "$@" "$JSON_SCRIPT" >"$FILE_STDOUT" 2>"$FILE_STDERR"
+}
+
+assertStdioEquals() {
+	local expected="$1"
+	local file_stdio="$2"
+
+	echo "$expected" >"$FILE_EXPECTED"
+	if [ -z "$expected" ]; then
+		# we are expecting empty output, but we deliberately added a newline
+		# with echo above, so adding another echo to compensate for that
+		echo >>"$file_stdio"
+	fi
+	diff -up "$FILE_EXPECTED" "$file_stdio" >/dev/null 2>&1 || {
+		cat >&2 <<EOF
+|--- expecting
+$expected<
+|--- actual
+$(cat $file_stdio)<
+|--- END
+EOF
+		exit 1
+	}
+}
+
+assertStdoutEquals() {
+	assertStdioEquals "$1" "$FILE_STDOUT"
+}
+
+assertStderrEquals() {
+	assertStdioEquals "$1" "$FILE_STDERR"
+}
+
+test_bad_json() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ ]
+		[ ]
+	]
+	EOF
+	call_json_script
+	assertStderrEquals "load JSON data from $JSON_SCRIPT failed."
+}
+
+test_expr_eq() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "if",
+			[ "eq", "VAR", "foo" ],
+			[ "echo", "bar" ],
+			[ "echo", "baz" ]
+		]
+	]
+	EOF
+	call_json_script "VAR=foo"
+	assertStdoutEquals "echo bar"
+	call_json_script "VAR=xxx"
+	assertStdoutEquals "echo baz"
+}
+
+test_expr_has() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "if",
+			[ "has", "VAR" ],
+			[ "echo", "bar" ],
+			[ "echo", "baz" ]
+		]
+	]
+	EOF
+	call_json_script "VAR=foo"
+	assertStdoutEquals "echo bar"
+	call_json_script
+	assertStdoutEquals "echo baz"
+}
+
+test_expr_regex_single() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "if",
+			[ "regex", "VAR", ".ell." ],
+			[ "echo", "bar" ],
+			[ "echo", "baz" ]
+		]
+	]
+	EOF
+	call_json_script "VAR=hello"
+	assertStdoutEquals "echo bar"
+	call_json_script "VAR=.ell."
+	assertStdoutEquals "echo bar"
+	call_json_script
+	assertStdoutEquals "echo baz"
+	call_json_script "VAR="
+	assertStdoutEquals "echo baz"
+	call_json_script "VAR=hell"
+	assertStdoutEquals "echo baz"
+}
+
+test_expr_regex_multi() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "if",
+			[ "regex", "VAR", [ ".ell.", "w.rld" ] ],
+			[ "echo", "bar" ],
+			[ "echo", "baz" ]
+		]
+	]
+	EOF
+	call_json_script "VAR=hello"
+	assertStdoutEquals "echo bar"
+	call_json_script "VAR=world"
+	assertStdoutEquals "echo bar"
+	call_json_script "VAR=.ell."
+	assertStdoutEquals "echo bar"
+	call_json_script "VAR=w.rld"
+	assertStdoutEquals "echo bar"
+	call_json_script
+	assertStdoutEquals "echo baz"
+	call_json_script "VAR="
+	assertStdoutEquals "echo baz"
+	call_json_script "VAR=hell"
+	assertStdoutEquals "echo baz"
+}
+
+test_expr_not() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "if",
+			[ "not", [ "has", "VAR" ] ],
+			[ "echo", "bar" ],
+			[ "echo", "baz" ]
+		]
+	]
+	EOF
+	call_json_script "VAR=foo"
+	assertStdoutEquals "echo baz"
+	call_json_script
+	assertStdoutEquals "echo bar"
+}
+
+test_expr_and() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "if",
+			[ "and", [ "eq", "EQVAR", "eqval" ],
+					 [ "regex", "REGEXVAR", "regex..." ]
+			],
+			[ "echo", "bar" ],
+			[ "echo", "baz" ]
+		]
+	]
+	EOF
+	call_json_script "EQVAR=eqval" "REGEXVAR=regexval"
+	assertStdoutEquals "echo bar"
+	call_json_script "EQVAR=foo"
+	assertStdoutEquals "echo baz"
+	call_json_script "REGEXVAR=regex***"
+	assertStdoutEquals "echo baz"
+	call_json_script
+	assertStdoutEquals "echo baz"
+}
+
+test_expr_or() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "if",
+			[ "or", [ "not", [ "eq", "EQVAR", "eqval" ] ],
+					[ "regex", "REGEXVAR", [ "regexva.[0-9]", "regexva.[a-z]" ] ]
+			],
+			[ "echo", "bar" ],
+			[ "echo", "baz" ]
+		]
+	]
+	EOF
+	call_json_script "EQVAR=eqval" "REGEXVAR=regexval1"
+	assertStdoutEquals "echo bar"
+	call_json_script "EQVAR=neq" "REGEXVAR=sxc"
+	assertStdoutEquals "echo bar"
+	call_json_script "REGEXVAR=sxc"
+	assertStdoutEquals "echo bar"
+	call_json_script "EQVAR=foo"
+	assertStdoutEquals "echo bar"
+	call_json_script
+	assertStdoutEquals "echo bar"
+	call_json_script "EQVAR=eqval" "REGEXVAR=regexval"
+	assertStdoutEquals "echo baz"
+}
+
+test_expr_isdir() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "if",
+			[ "isdir", "%VAR%" ],
+			[ "echo", "bar" ],
+			[ "echo", "baz" ]
+		]
+	]
+	EOF
+	call_json_script "VAR=/"
+	assertStdoutEquals "echo bar"
+	call_json_script "VAR=$(mktemp -u)"
+	assertStdoutEquals "echo baz"
+	call_json_script
+	assertStdoutEquals "echo baz"
+}
+
+test_cmd_case() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "case", "CASEVAR", {
+			"0": [ "echo", "foo" ],
+			"1": [
+				[ "echo", "bar" ],
+				[ "echo", "baz" ]
+			],
+			"%VAR%": [ "echo", "quz" ]
+		} ]
+	]
+	EOF
+	call_json_script "CASEVAR=0"
+	assertStdoutEquals "echo foo"
+	call_json_script "CASEVAR=1"
+	assertStdoutEquals "echo bar
+echo baz"
+	call_json_script "CASEVAR=%VAR%"
+	assertStdoutEquals "echo quz"
+	call_json_script "CASEVAR="
+	assertStdoutEquals ""
+	call_json_script
+	assertStdoutEquals ""
+	call_json_script "CASEVAR=xxx" "VAR=xxx"
+	assertStdoutEquals ""
+}
+
+test_cmd_if() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "if",
+			[ "eq", "VAR", "foo" ],
+			[ "echo", "bar" ],
+			[ "echo", "baz" ]
+		]
+	]
+	EOF
+	call_json_script "VAR=foo"
+	assertStdoutEquals "echo bar"
+	call_json_script "VAR=xxx"
+	assertStdoutEquals "echo baz"
+}
+
+test_cmd_cb() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "exec", "%VAR%", "/%VAS%%%/" ]
+	]
+	EOF
+	call_json_script
+	assertStdoutEquals "exec  /%/"
+	call_json_script "VAR="
+	assertStdoutEquals "exec  /%/"
+	call_json_script "VAR=qux" "VAS=3"
+	assertStdoutEquals "exec qux /3%/"
+}
+
+test_cmd_return() {
+	cat >"$JSON_SCRIPT" <<-EOF
+	[
+		[ "heh", "%HEHVAR%" ],
+		[ "%VAR%", "%VAR%" ],
+		[ "return" ],
+		[ "exec_non_reachable", "Arghhh" ]
+	]
+	EOF
+	call_json_script "HEHVAR=dude" "VAR=ow"
+	assertStdoutEquals "heh dude
+%VAR% ow"
+}
+
+. ./shunit2/shunit2