Add unit tests

Makefile

@@ -1,13 +1,16 @@
 NAME = phusion/baseimage
 VERSION = 0.9.3
 
-.PHONY: all build tag_latest release
+.PHONY: all build test tag_latest release
 
 all: build
 
 build:
 	docker build -t $(NAME):$(VERSION) -rm image
 
+test:
+	env NAME=$(NAME) VERSION=$(VERSION) ./test/runner.sh
+
 tag_latest:
 	docker tag $(NAME):$(VERSION) $(NAME):latest
 

test/runner.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+set -e
+
+function abort()
+{
+	echo "$@"
+	exit 1
+}
+
+function cleanup()
+{
+	echo " --> Stopping container"
+	docker stop $ID >/dev/null
+	docker rm $ID >/dev/null
+}
+
+echo " --> Starting container"
+PWD=`pwd`
+ID=`docker run -d -v $PWD/test:/test $NAME:$VERSION`
+sleep 1
+
+echo " --> Obtaining IP"
+IP=`docker inspect $ID | grep IPAddress | sed -e 's/.*: "//; s/".*//'`
+if [[ "$IP" = "" ]]; then
+	abort "Unable to obtain container IP"
+fi
+
+trap cleanup EXIT
+
+echo " --> Logging into container and running tests"
+chmod 600 image/insecure_key
+sleep 1 # Give container some more time to start up.
+ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -i image/insecure_key root@$IP \
+	/bin/bash /test/test.sh

test/test.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+set -o pipefail
+
+function ok()
+{
+	echo "  OK"
+}
+
+function fail()
+{
+	echo "  FAIL"
+	exit 1
+}
+
+echo "Checking whether all services are running..."
+services=`sv status /etc/service/*`
+status=$?
+if [[ "$status" != 0 || "$services" = "" || "$services" =~ down ]]; then
+	fail
+else
+	ok
+fi