# $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=/**,*/ # #/** # # # # shUnit 2.1.4 # Shell Unit Test Framework # # http://shunit2.sourceforge.net/ # # written by Kate Ward <kate.ward@forestent.com> # released under the LGPL # # this module implements a xUnit based unit test framework similar to JUnit # #*/ 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 # #/** # # # void # # # # # assertEquals # string [message] # string expected # string actual # # # Asserts that expected and # actual are equal to one another. The message is # optional. # # #*/ 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:-}"' #/** # # # void # # # # # assertNull # string [message] # string value # # # Asserts that value is null, # or in shell terms a zero-length string. The message is optional. # # #*/ 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:-}"' #/** # # # void # # # # # assertNotNull # string [message] # string value # # # Asserts that value is not null, or in shell terms not # a zero-length string. The message is optional. # # #*/ 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:-}"' #/** # # # void # # # # # assertSame # string [message] # string expected # string actual # # # This function is functionally equivalent to # assertEquals. # # #*/ 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:-}"' #/** # # # void # # # # # assertNotSame # string [message] # string unexpected # string actual # # # Asserts that unexpected and # actual are not # equal to one another. The message is optional. # # #*/ 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:-}"' #/** # # # void # # # # # assertTrue # string [message] # string condition # # # Asserts that a given shell test condition is true. The message is # optional. # 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. # # The following test will succeed: assertTrue "[ 34 -gt 23 ]" # The folloing test will fail with a message: assertTrue "test failed" "[ -r '/non/existant/file' ]" # # # #*/ 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:-}"' #/** # # # void # # # # # assertFalse # string [message] # string condition # # # Asserts that a given shell test condition is false. The message is # optional. # 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. # # The following test will succeed: assertFalse "[ 'apples' = 'oranges' ]" # The folloing test will fail with a message: assertFalse "test failed" "[ 1 -eq 1 -a 2 -eq 2 ]" # # # #*/ 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 # #/** # # # void # # # # # fail # string [message] # # # Fails the test immediately, with the optional message. # # #*/ 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:-}"' #/** # # # void # # # # # failNotEquals # string [message] # string unexpected # string actual # # # Fails the test if unexpected and # actual are not # equal to one another. The message is optional. # # #*/ 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:-}"' #/** # # # void # # # # # failSame # string [message] # # # Indicate test failure because arguments were not the same. The # message is optional. # # #*/ 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:-}"' #/** # # # void # # # # # failNotSame # string [message] # string expected # string actual # # # Fails the test if expected and # actual are equal to one another. The message is # optional. # # #*/ 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 # #/** # # # void # # # # # startSkipping # # # # 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. # # #*/ startSkipping() { __shunit_skip=${SHUNIT_TRUE} } #/** # # # void # # # # # endSkipping # # # # This function returns calls to the assert and fail functions to their # default behavior, i.e. they will be called. # # #*/ endSkipping() { __shunit_skip=${SHUNIT_FALSE} } #/** # # # boolean # # # # # isSkipping # # # # This function returns the state of skipping. # # #*/ isSkipping() { return ${__shunit_skip} } #----------------------------------------------------------------------------- # suite functions # #/** # # # void # # # # # suite # # # # This function can be optionally overridden by the user in their test # suite. # If this function exists, it will be called when # shunit2 is sourced. If it does not exist, shUnit2 will # search the parent script for all functions beginning with the word # test, and they will be added dynamically to the test # suite. # # #*/ # Note: see _shunit_mktempFunc() for actual implementation # suite() { :; } #/** # # # void # # # # # suite_addTest # string function # # # This function adds a function name to the list of tests scheduled for # execution as part of this test suite. This function should only be called # from within the suite() function. # # #*/ suite_addTest() { _su_func=${1:-} __shunit_suite="${__shunit_suite:+${__shunit_suite} }${_su_func}" unset _su_func } #/** # # # void # # # # # oneTimeSetUp # # # # This function can be be optionally overridden by the user in their # test suite. # 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. # # #*/ # Note: see _shunit_mktempFunc() for actual implementation # oneTimeSetUp() { :; } #/** # # # void # # # # # oneTimeTearDown # # # # This function can be be optionally overridden by the user in their # test suite. # 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. # # #*/ # Note: see _shunit_mktempFunc() for actual implementation # oneTimeTearDown() { :; } #/** # # # void # # # # # setUp # # # # This function can be be optionally overridden by the user in their # test suite. # If this function exists, it will be called before each test is run. # It is useful to reset the environment before each test. # # #*/ # Note: see _shunit_mktempFunc() for actual implementation # setUp() { :; } #/** # # # void # # # # # tearDown # # # # This function can be be optionally overridden by the user in their # test suite. # If this function exists, it will be called after each test completes. # It is useful to clean up the environment after each test. # # #*/ # 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 </dev/null ) && return # the standard mktemp didn't work. doing our own. if [ -r '/dev/urandom' ]; then _su__random=`od -vAn -N4 -tx4 &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}/${_su__func}" cat <"${_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 #/** # #*/