tests: add a script for automated adding of unittests

- usage: add_new_unit_test <testname>

core/src/tests/add_new_unit_test.sh

@@ -0,0 +1,63 @@
+#!/bin/sh
+
+# create and add an empty unittest file
+
+if [ "x$1" = "x" ]; then
+  echo "You should enter: $0 testname"
+  exit 1
+fi
+
+if [ -f "$1.cc" ]; then
+  echo "Filename for test already exists: $1.cc"
+  exit 1
+fi
+
+if grep -w "$1.cc" CMakeLists.txt; then
+  echo "$1.cc already exists in CMakeLists.txt"
+  exit 1
+fi
+
+file_created="false"
+if cat > "$1.cc" <<EOF
+/*
+   BAREOS® - Backup Archiving REcovery Open Sourced
+
+   Copyright (C) 2019-2019 Bareos GmbH & Co. KG
+
+   This program is Free Software; you can redistribute it and/or
+   modify it under the terms of version three of the GNU Affero General Public
+   License as published by the Free Software Foundation, which is
+   listed in the file LICENSE.
+
+   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
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.
+*/
+
+#include "gtest/gtest.h"
+
+EOF
+then
+  if git add "$1.cc"; then
+    file_created="true"
+  fi
+fi #if cat > "$1.cc" <<EOF
+
+if ! "$file_created"; then
+  echo "File creation failed: $1.cc"
+  exit 1
+fi
+
+if ! sed "s/@replace@/$1/g" < test_cmakelists_template.txt.in >> CMakeLists.txt; then
+  echo "Adding to CMakeLists.txt failed"
+  exit 1
+fi
+
+exit 0
+

core/src/tests/test_cmakelists_template.txt.in

@@ -0,0 +1,11 @@
+####### test_@replace@  #####################################
+add_executable(test_@replace@ @replace@.cc)
+
+target_link_libraries(test_@replace@
+   bareos
+   ${GTEST_LIBRARIES}
+   ${GTEST_MAIN_LIBRARIES}
+)
+
+gtest_discover_tests(test_@replace@ TEST_PREFIX gtest:)
+