test_common.sh.in

#!/usr/bin/env bash

# Copyright 2009 Red Hat Inc., Durham, North Carolina.
# All Rights Reserved.
#
# OpenScap Testing Helpers.
#
# Authors:
#      Ondrej Moris <omoris@redhat.com>

# Normalized path.
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin

# Some of the tests rely on the "C" locale and would fail with some locales.
LC_ALL=C
export LC_ALL

OSCAP_FULL_VALIDATION=1
export OSCAP_FULL_VALIDATION

if [ -z ${CUSTOM_OSCAP+x} ] ; then
    enable_valgrind="@ENABLE_VALGRIND@"
    if [ $enable_valgrind != "OFF" ] ; then
        actualdir=@CMAKE_BINARY_DIR@
        export actualdir
        [ -z "@CMAKE_BINARY_DIR@" ] || export OSCAP="@CMAKE_SOURCE_DIR@/tests/valgrind_test.sh"
    else
        [ -z "@CMAKE_BINARY_DIR@" ] || export OSCAP="bash @CMAKE_BINARY_DIR@/run @CMAKE_BINARY_DIR@/utils/oscap"
    fi
else
    export OSCAP=${CUSTOM_OSCAP}
fi

export XMLDIFF="@CMAKE_SOURCE_DIR@/tests/xmldiff.pl"

if ! XPATH_ORIG=`command -v xpath 2>&1`; then
  echo "I require xpath tool but it's not installed. Aborting." >&2
  exit 1
fi

xpath_variant=$(perl -MXML::XPath -e 'print $XML::XPath::VERSION >= 1.34 ? "need_wrapper" : "standard"')

if [ "$xpath_variant" == "need_wrapper" ];
then
	export XPATH_ORIG
	xpath_wrapper() {
		if [ "$#" == "1" ]; then
			# read file from stdin
			xpath_expr="$1"
			"$XPATH_ORIG" -e "$xpath_expr"
		elif [ "$#" == "2" ]; then
			file="$1"
			xpath_expr="$2"
			"$XPATH_ORIG" -e "$xpath_expr" "$file"
		else
			echo "Parameters are not supported by xpath wrapper" >&2
			exit 1
		fi
	}
	export -f xpath_wrapper
	export XPATH=xpath_wrapper
else
	export XPATH="$XPATH_ORIG"
fi

# Overall test result.
result=0

# Set-up testing environment.
function test_init {
    :
}

# Execute test and report its results.
function test_run {
    printf "+ %-60s\n" "$1";
    echo -e "TEST: $1" >&2;
    shift
    ( exec 1>&2 ; eval "$@" )
    ret_val=$?
    if [ $ret_val -eq 0 ]; then
	echo -e "RESULT: PASSED\n" >&2
	return 0;
    elif [ $ret_val -eq 1 ]; then
	result=$(($result + $ret_val))
	echo -e "RESULT: FAILED\n" >&2
	return 1;
    elif [ $ret_val -eq 255 ]; then
	echo -e "RESULT: SKIPPED\n" >&2
	return 0;
    else
	result=$(($result + $ret_val))
	echo -e "RESULT: WARNING (unknown exist status $ret_val)\n" >&2
	return 1;
    fi
}

# Clean-up testing environment.
function test_exit {
    if [ $# -eq 1 ]
    then
        ( exec 1>&2 ; eval "$@" )
    fi

    [ $result -eq 0 ] && exit 0
    exit 1
}

# Check if requirements are in a path, use it as follows:
# require 'program' || return 255
function require {
    eval "which $1 > /dev/null 2>&1"    
    if [ ! $? -eq 0 ]; then	
        echo -e "No '$1' found in $PATH!\n" 
	return 1; # Test is not applicable.
    fi
    return 0
}

# Check if probe exists, use it as follows:
# probecheck 'probe' || return 255
function probecheck {
	if ! $OSCAP --version | grep "\<"$1"\>" >/dev/null ; then
		echo -e "Probe $1 does not exist!\n"
		return 255 # Test is not applicable.
	fi
    return 0
}

function verify_results {

    require "grep" || return 255

    local ret_val=0;
    local TYPE="$1"
    local CONTENT="$2"
    local RESULTS="$3"
    local COUNT="$4" 
    local FULLTYPE="definition"
    
    [ $TYPE == "tst" ] && FULLTYPE="test"

    ID=1
    while [ $ID -le $COUNT ]; do
	
	CON_ITEM=`grep "id=\"oval:[[:digit:]]\+:${TYPE}:${ID}\"" $CONTENT`
	RES_ITEM=`grep "${FULLTYPE}_id=\"oval:[[:digit:]]\+:${TYPE}:${ID}\"" $RESULTS`
	OVAL_ID=`echo ${CON_ITEM} | grep -o "oval:[[:digit:]]\+:${TYPE}:${ID}"`
	if (echo $RES_ITEM | grep "result=\"true\"") >/dev/null; then
	    RES="TRUE"
	elif (echo $RES_ITEM | grep "result=\"false\"" >/dev/null); then
	    RES="FALSE"
	else
	    RES="ERROR"
	fi
	
	if (echo $CON_ITEM | grep "comment=\"true\"" >/dev/null); then
	    CMT="TRUE"
	elif (echo $CON_ITEM | grep "comment=\"false\"" >/dev/null); then
	    CMT="FALSE"
	else
	    CMT="ERROR"
	fi
	
	if [ ! $RES = $CMT ]; then
	    echo "Result of ${OVAL_ID} should be ${CMT} and is ${RES}"
	    ret_val=$(($ret_val + 1))
	fi

	ID=$(($ID+1))
    done

    return $([ $ret_val -eq 0 ])
}

assert_exists() {
        real_cnt="$($XPATH $result 'count('"$2"')' 2>/dev/null)"
        if [ "$real_cnt" != "$1" ]; then
                echo "Failed: expected count: $1, real count: $real_cnt, xpath: '$2'"
                return 1
        fi
}
export -f assert_exists