Merge pull request docker-library#1053 from MBonell/614-test-ruby-hello-world

Closes docker-library#614: Add hello world test for ruby image

Author: tianon

test/config.sh

@@ -108,6 +108,7 @@ imageTests+=(
 		ruby-standard-libs
 		ruby-gems
 		ruby-bundler
+		ruby-hello-world
 	'
 	[tomcat]='
 	'
@@ -137,3 +138,4 @@ globalExcludeTests+=(
 	[ruby:slim_ruby-bundler]=1
 	[ruby:slim_ruby-gems]=1
 )
+

test/tests/ruby-hello-world/expected-std-out.txt

@@ -0,0 +1 @@
+Hello World!

test/tests/ruby-hello-world/hello-world.rb

@@ -0,0 +1 @@
+print 'Hello World!'

test/tests/ruby-hello-world/run.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+image="$1"
+dirTest="$(dirname "$(readlink -f "$BASH_SOURCE")")"
+dirContainer='/usr/src/ruby'
+
+docker run -it --rm -v "$dirTest":"$dirContainer" -w "$dirContainer" "$image" ruby hello-world.rb