Import RubyGems trunk revision 1493.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rubygems/test_gem_commands_fetch_command.rb

@@ -0,0 +1,34 @@
+require 'test/unit'
+require File.join(File.expand_path(File.dirname(__FILE__)), 'gemutilities')
+require 'rubygems/commands/fetch_command'
+
+class TestGemCommandsFetchCommand < RubyGemTestCase
+
+  def setup
+    super
+
+    @cmd = Gem::Commands::FetchCommand.new
+  end
+
+  def test_execute
+    util_setup_fake_fetcher
+
+    util_build_gem @gem1
+    @fetcher.data["#{@gem_repo}/Marshal.#{@marshal_version}"] =
+      @source_index.dump
+    @fetcher.data["#{@gem_repo}/gems/#{@gem1.full_name}.gem"] =
+      File.read(File.join(@gemhome, 'cache', "#{@gem1.full_name}.gem"))
+
+      @cmd.options[:args] = [@gem1.name]
+
+    use_ui @ui do
+      Dir.chdir @tempdir do
+        @cmd.execute
+      end
+    end
+
+    assert File.exist?(File.join(@tempdir, "#{@gem1.full_name}.gem"))
+  end
+
+end
+