test/test_kindlegen.rb in kindlegen-2.9.3.1 vs test/test_kindlegen.rb in kindlegen-2.9.4

@@ -1,20 +1,20 @@
 require 'test/unit'
+require 'rubygems/installer'
 require 'rubygems/uninstaller'
 KINDLEGEN_PROJECT_DIR = File.expand_path(File.dirname(File.dirname(__FILE__)))
 $:.delete(File.join(KINDLEGEN_PROJECT_DIR, 'lib'))
 
 class KindlegenTest < Test::Unit::TestCase
   def test_gem_install
     kindlegen_lib_dir = nil
     gem_version = File.read(File.join(KINDLEGEN_PROJECT_DIR, 'lib/kindlegen/version.rb')).match(/VERSION = ["'](.*?)["']/)[1]
     gem_file = File.join(KINDLEGEN_PROJECT_DIR, 'pkg', %(kindlegen-#{gem_version}.gem))
-    result = Gem.install gem_file
+    result = Gem::Installer.new(gem_file).install
     begin
       require 'kindlegen'
     rescue ::LoadError
-      kindlegen_lib_dir = ::File.join(result[0].gem_dir, 'lib')
-      $:.unshift kindlegen_lib_dir
+      $:.unshift result.lib_dirs_glob
       require 'kindlegen'
     end
     output = %x(#{Kindlegen.command})
     assert output.include?('Amazon')
   ensure