validate_line

#!/bin/bash

base_results_file=""

usage()
{
	echo Usage: $1
	echo "  --fields <string>: Contains a list in the following format"
	echo "       name:type,name:type"
	echo "    Valid types are"
	echo "     n: field is a numeric value"
	echo "     s: field is a string of some sort"
	echo "     sm: field is a string and must match exactly the name"
	echo "  --header_lines <n>: How many lines of header do we we expect."
	echo "  --results_file <path>: The results file generated by the test"
	echo "  --base_results_file <path>:  The path to the expected results that we are"
	echo "     to compare to."
	exit $2
}

error_out()
{
	echo $4
	echo $3
	echo field index checking: $1
	echo field type: $2
	exit 1
}

validate_line()
{
	re='^[0-9]+$'
	line=$1
	field_index=`echo $2 | cut -d':' -f 1`
	field_type=`echo $2 | cut -d':' -f 2`

	value=`echo $1 | cut -d':' -f $field_index | sed "s/ //g"`
	if [[ $value == "" ]]; then
		error_out $field_index $field_type $line "Either field is not present, or has no value."
	fi
	if [[ $field_type == "n" ]]; then
		#
		# Handle floats also.
		#
		check_value=`echo $value | sed "s/\./0/g"`
		if ! [[ $check_value =~ $re ]] ; then
			error_out $field_index $field_type $line "Non numerical field"
		fi
	fi
	if [[ $field_type == "sm" ]]; then
		#
		# String, needs to match.
		#
		grep -Fq "^${value}:" $base_results_file
		if [ $? -ne 0 ]; then
			error_out $field_index $field_type $line "Does not have match in the results file"
		fi
	fi
	if [[ $field_type == "s" ]]; then
		#
		# Just a simple string.
		#
		if [[ $value == "" ]]; then
			error_out $field_index $field_type $line "Should be string value in the results file"
		fi
	fi
}

ARGUMENT_LIST=(
	"fields"
	"header_lines"
	"results_file"
	"base_results_file"
)
NO_ARGUMENTS=(
	"usage"
)
# read arguments
opts=$(getopt \
  --longoptions "$(printf "%s:," "${ARGUMENT_LIST[@]}")" \
  --longoptions "$(printf "%s," "${NO_ARGUMENTS[@]}")" \
  --name "$(basename "$0")" \
  --options "h" \
  -- "$@"
)

eval set --$opts

results_file=""
fields=""
header_lines=0

while [[ $# -gt 0 ]]; do
	case "$1" in
		--base_results_file)
			base_results_file=$2
			shift 2
		;;
		--fields)
			fields=`echo $2 | sed "s/ /_/g" | sed "s/,/ /g"`
			shift 2
		;;
		--header_lines)
			header_lines=$2
			shift 2
		;;
		--results_file)
			results_file=$2
			shift 2
		;;
		--usage)
			usage $0 0
		;;
		-h)
			usage $0 0
		;;
		--)
			break;
		;;
		*)
			echo "option not found ${1}"
			usage $0 1
		;;
	esac
done

meta_head=0
header_line=""
field_location=""
separ=""
field_index=1
while IFS= read -r test_info
do
	#
	# Skip over meta head
	#
	if [ $meta_head -eq 0 ]; then
		if [[ $test_info == *"# Test general meta end"* ]]; then
			meta_head=1
		fi
		continue
	fi
	if [[ $header_line == "" ]]; then
		header_line=`echo $test_info | sed "s/ /_/g" | sed "s/:/ /g"`
		for field in $header_line; do
			for find_field in $fields; do
				value=`echo $find_field | cut -d':' -f 1`
				type=`echo $find_field | cut -d':' -f 2`
				if [[ $value == $field ]]; then
					field_location=${field_location}${separ}${field_index}:${type}
					let "field_index=${field_index}+1"
					separ=" "
					break
				fi
			done
		done
		continue
	fi
	for field in $field_location; do
		validate_line "$test_info" $field
	done
done < "$results_file"

exit 0