update reference solutions

also rename runTest.sh to runtest.sh and improve printed messages of
fuzzycompare.py slightly

tests/run-vtu-test.sh

@@ -0,0 +1,72 @@
+#! /bin/bash
+#
+# Runs a test from the test directory and compare the resulting VTU files.
+#
+# Usage:
+#
+# runTest.sh REFERENCE_RESULT_FILE TEST_RESULT_FILE TEST_BINARY TEST_ARGS
+#
+
+function usage() {
+    echo "Usage:"
+    echo
+    echo "runTest.sh REFERENCE_RESULT_FILE TEST_RESULT_FILE TEST_BINARY [TEST_ARGS]"
+};
+
+REFERENCE_RESULT="$1"
+TEST_RESULT="$2"
+TEST_BINARY="$3"
+TEST_ARGS="${@:4:100}"
+
+# make sure we have at least 3 parameters
+if test "$#" -lt 3; then
+    echo "Wrong number of parameters"
+    echo
+    usage
+    exit 1
+fi
+
+# make sure the reference result exists
+if ! test -r "$REFERENCE_RESULT"; then
+    echo "File $REFERENCE_RESULT does not exist or is not readable"
+    echo
+    usage
+    exit 1
+fi
+    
+# make sure the binary is of the test is present
+if ! test -x "$TEST_BINARY"; then
+    echo "$TEST_BINARY does not exist or is not executable"
+    echo
+    usage
+    exit 1
+fi
+
+#run the test
+echo "######################"
+echo "# Running test"
+echo "######################"
+if ! "$TEST_BINARY" $TEST_ARGS; then
+    echo "Executing the binary failed!"
+    exit 1
+fi
+
+# compare the results
+echo "######################"
+echo "# Comparing results"
+echo "######################"
+if ! test -r "$TEST_RESULT"; then
+    echo "File $TEST_RESULT does not exist or is not readable"
+    exit 1
+fi
+
+if ! python bin/fuzzycomparevtu.py "$REFERENCE_RESULT" "$TEST_RESULT"; then
+    echo "The files \"$TEST_RESULT\" and \"$REFERENCE_RESULT\" are different."
+    echo "Make sure the contents of \"$TEST_RESULT\" are still valid and "
+    echo "make it the reference result if necessary."
+    exit 1
+fi
+
+# SUCCESS!!!!!!
+echo "Result and reference result are identical" 
+exit 0