feat: add some testing. (#32)

Makefile

@@ -110,5 +110,17 @@ clean:
 	go clean -x -i ./...
 	rm -rf coverage.txt $(EXECUTABLE) $(DIST) vendor
 
+ssh-server:
+	adduser -h /home/drone-scp -s /bin/bash -D -S drone-scp
+	passwd -d drone-scp
+	mkdir -p /home/drone-scp/.ssh
+	chmod 700 /home/drone-scp/.ssh
+	cp tests/.ssh/id_rsa.pub /home/drone-scp/.ssh/authorized_keys
+	chown -R drone-scp /home/drone-scp/.ssh
+	# install ssh and start server
+	apk update && apk add openssh openrc
+	rm -rf /etc/ssh/ssh_host_rsa_key /etc/ssh/ssh_host_dsa_key
+	./tests/entrypoint.sh /usr/sbin/sshd -D &
+
 version:
 	@echo $(VERSION)