tests: Add test for paranoid ovpn_copy_server_files

* Make sure this works
* Related to #73

tests/paranoid.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+set -ex
+
+IMG=${IMG:-kylemanna/openvpn}
+
+temp=$(mktemp -d)
+
+pushd $temp
+
+SERV_IP=$(ip -4 -o addr show scope global  | awk '{print $4}' | sed -e 's:/.*::' | head -n1)
+
+docker run --net=none --rm -t -i -v $PWD:/etc/openvpn $IMG ovpn_genconfig -u udp://$SERV_IP
+
+docker run --net=none --rm -t -i -v $PWD:/etc/openvpn -e "EASYRSA_BATCH=1" -e "EASYRSA_REQ_CN=Travis-CI Test CA" kylemanna/openvpn ovpn_initpki nopass
+
+docker run --net=none --rm -t -i -v $PWD:/etc/openvpn $IMG ovpn_copy_server_files
+
+popd
+# Can't delete the temp directory as docker creates some files as root.
+# Just let it die with the test instance.
+rm -rf $temp || true