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diff --git a/tests/pysim-test.sh b/tests/pysim-test.sh
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+#!/bin/bash
+
+# Utility to verify the functionality of pysim-prog.py
+#
+# (C) 2018 by Sysmocom s.f.m.c. GmbH
+# All Rights Reserved
+#
+# Author: Philipp Maier
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+PYSIM_PROG=../pySim-prog.py
+PYSIM_READ=../pySim-read.py
+TEMPFILE=temp.tmp
+
+set -e
+
+echo "pysim-test - a test program to test pysim-prog.py"
+echo "================================================="
+
+# Generate a list of the cards we expect to see by checking which .ok files
+# are present
+function gen_card_list {
+ N_CARDS=0
+
+ echo "Expecting to see the following cards:"
+
+ for I in *.data ; do
+ CARD_NAMES[$N_CARDS]=${I%.*}
+ CARD_SEEN[$N_CARDS]=0
+ N_CARDS=$((N_CARDS+1))
+ done
+
+ for I in $(seq 0 $((N_CARDS-1))); do
+ echo ${CARD_NAMES[$I]}
+ done
+}
+
+# Increment counter in card list for a specified card name (type)
+function inc_card_list {
+ CARD_NAME=$1
+ for I in $(seq 0 $((N_CARDS-1))); do
+ if [ $CARD_NAME = ${CARD_NAMES[$I]} ]; then
+ CARD_SEEN[$I]=$((${CARD_NAMES[$I]}+1))
+ fi
+ done
+}
+
+# Check the card list, each card must be seen exactly one times
+function check_card_list {
+ for I in $(seq 0 $((N_CARDS-1))); do
+ if [ ${CARD_SEEN[$I]} -ne 1 ]; then
+ echo "Error: Card ${CARD_NAMES[$I]} seen ${CARD_SEEN[$I]} times!"
+ exit 1
+ fi
+ done
+
+ echo "All cards seen -- everything ok!"
+}
+
+# Verify the contents of a card by reading them and then diffing against the
+# previously created .ok file
+function check_card {
+ TERMINAL=$1
+ CARD_NAME=$2
+ echo "Verifying card ..."
+ stat ./$CARD_NAME.ok > /dev/null
+ python $PYSIM_READ -p $TERMINAL > $TEMPFILE
+ set +e
+ CARD_DIFF=$(diff $TEMPFILE ./$CARD_NAME.ok)
+ set -e
+
+ if [ "$CARD_DIFF" != "" ]; then
+ echo "Card contents do not match the test data:"
+ echo "Expected: $CARD_NAME.ok"
+ echo "------------8<------------"
+ cat "$CARD_NAME.ok"
+ echo "------------8<------------"
+ echo "Got:"
+ echo "------------8<------------"
+ cat $TEMPFILE
+ echo "------------8<------------"
+ exit 1
+ fi
+
+ inc_card_list $CARD_NAME
+
+ echo "Card contents match the test data -- success!"
+ rm $TEMPFILE
+}
+
+# Read out the card using pysim-read and store the result as .ok file. This
+# data will be used later in order to verify the results of our write tests.
+function gen_ok_file {
+ TERMINAL=$1
+ CARD_NAME=$2
+ python $PYSIM_READ -p $TERMINAL > "$CARD_NAME.ok"
+ echo "Generated file: $CARD_NAME.ok"
+ echo "------------8<------------"
+ cat "$CARD_NAME.ok"
+ echo "------------8<------------"
+}
+
+# Find out the type (card name) of the card that is installed in the specified
+# reader
+function probe_card {
+ TERMINAL=$1
+ RESULT=$(timeout 5 $PYSIM_PROG -p $TERMINAL -T | cut -d ":" -f 2 | tail -n 1 | xargs)
+ echo $RESULT
+}
+
+# Read out all cards and store the results as .ok files
+function gen_ok_files {
+ echo "== OK FILE GENERATION =="
+ for I in $(seq 0 $((N_TERMINALS-1))); do
+ echo "Probing card in terminal #$I"
+ CARD_NAME=$(probe_card $I)
+ if [ -z "$CARD_NAME" ]; then
+ echo "Error: Unresponsive card!"
+ exit 1
+ fi
+ echo "Card is of type: $CARD_NAME"
+ gen_ok_file $I $CARD_NAME
+ done
+}
+
+# Execute tests. Each card is programmed and the contents are checked
+# afterwards.
+function run_test {
+ for I in $(seq 0 $((N_TERMINALS-1))); do
+ echo "== EXECUTING TEST =="
+ echo "Probing card in terminal #$I"
+ CARD_NAME=$(probe_card $I)
+ if [ -z "$CARD_NAME" ]; then
+ echo "Error: Unresponsive card!"
+ exit 1
+ fi
+ echo "Card is of type: $CARD_NAME"
+
+ # Make sure some default data is set
+ MCC=001
+ MNC=01
+ ICCID=1122334455667788990
+ KI=FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
+ OPC=FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
+ IMSI=001010000000001
+ ADM=00000000
+
+ . "$CARD_NAME.data"
+ python $PYSIM_PROG -p $I -t $CARD_NAME -o $OPC -k $KI -x $MCC -y $MNC -i $IMSI -s $ICCID -a $ADM
+ check_card $I $CARD_NAME
+ echo ""
+ done
+}
+
+function usage {
+ echo "Options:"
+ echo "-n: number of card terminals"
+ echo "-o: generate .ok files"
+}
+
+# Make sure that the pathes to the python scripts always work, regardless from
+# where the script is called.
+CURDIR=$PWD
+SCRIPTDIR=$(dirname $0)
+cd $SCRIPTDIR
+PYSIM_PROG=$(realpath $PYSIM_PROG)
+PYSIM_READ=$(realpath $PYSIM_READ)
+cd $CURDIR
+
+OPT_N_TERMINALS=0
+OPT_GEN_OK_FILES=0
+while getopts ":hon:" OPT; do
+ case $OPT in
+ h)
+ usage
+ exit 0
+ ;;
+ o)
+ OPT_GEN_OK_FILES=1
+ ;;
+ n)
+ OPT_N_TERMINALS=$OPTARG
+ ;;
+ \?)
+ echo "Invalid option: -$OPTARG" >&2
+ exit 1
+ ;;
+ esac
+done
+
+N_TERMINALS=$OPT_N_TERMINALS
+
+# Generate a list of available cards, if no explicit reader number is given
+# then the number of cards will be used as reader number.
+gen_card_list
+if [ $N_TERMINALS -eq 0 ]; then
+ N_TERMINALS=$N_CARDS
+fi
+echo "Number of card terminals installed: $N_TERMINALS"
+echo ""
+
+if [ $OPT_GEN_OK_FILES -eq 1 ]; then
+ gen_ok_files
+ exit 0
+else
+ run_test
+ check_card_list
+ exit 0
+fi