--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-ruby/rbpdf/rbpdf-1.18.5.ebuild,v 1.1 2015/04/11 02:59:00 mjo Exp $
+
+EAPI=5
+
+# As long as we conditionally depend on dev-ruby/rails:3.2, we're
+# helpless to add ruby21 or ruby22 support. It should be possible, it
+# just hasn't happened yet. See https://github.com/naitoh/rbpdf/issues/9
+USE_RUBY="ruby19 ruby20"
+
+RUBY_FAKEGEM_RECIPE_DOC="rdoc"
+RUBY_FAKEGEM_EXTRADOC="README.md"
+
+inherit ruby-fakegem
+
+DESCRIPTION="Ruby on Rails TCPDF plugin"
+HOMEPAGE="https://github.com/naitoh/rbpdf"
+
+LICENSE="LGPL-2.1+"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+# We need to set up a fake Rails environment to run the tests.
+ruby_add_bdepend "test? ( dev-ruby/rails:3.2 )"
+
+src_test() {
+ # Create a fake Rails environment once, then do the default ruby-ng
+ # thing. Make sure we use the rails-3.x.y executable.
+ local rails="${ROOT}usr/bin/rails-3.2*"
+
+ $rails new "${T}/dummy" \
+ --skip-javascript \
+ --skip-git \
+ --skip-bundle \
+ --skip-sprockets \
+ --skip-active-record \
+ || die "failed to create rails environment"
+
+ ruby-ng_src_test
+}
+
+each_ruby_test() {
+ # The test suite needs to run within a Rails environment, so in
+ # src_test(), we created an empty Rails instance in ${T}/dummy. Now
+ # we copy ourselves into the vendor/plugins directory of that Rails
+ # instance, and run the tests using Rails's Rakefile. Assuming the
+ # tests pass, we remove the plugin again so everything is nice and
+ # tidy for the next ruby implementation.
+ cp -r . "${T}/dummy/vendor/plugins/${PN}" || \
+ die "failed to install plugin"
+ cd "${T}/dummy" || die
+ rake test TEST="vendor/plugins/${PN}/test/*_test.rb" || \
+ die "test suite failed"
+ rm -r "vendor/plugins/${PN}" || die "failed to uninstall plugin"
+}