technicalpickles · August 2, 2009 19:08 · Aug 2, 2009 · Aug 2, 2009
diff --git a/test_install_gem.rb b/test_install_gem.rb
@@ -0,0 +1,51 @@
+      rubyforge_command_context "running" do
+        setup do
+          stub(@gemspec_helper).gem_path { 'pkg/zomg-1.1.1.gem' } 
+          stub(@command).sudo_wrapper { 'sudo gem install pkg/zomg-1.1.1.gem' }
+          stub(@command).sh
+
+          @command.run
+        end
+
+        should "call sudo wrapper with gem install" do
+          assert_received(@command) {|command| command.sudo_wrapper('gem install pkg/zomg-1.1.1.gem') }
+        end
+
+        should "call sh with output of sudo wrapper" do
+          assert_received(@command) {|command| command.sh 'sudo gem install pkg/zomg-1.1.1.gem' }
+        end
+      end
+
+      rubyforge_command_context "use_sudo?" do
+        should "be false on mswin" do
+          stub(@command).host_os { "i386-mswin32" }
+          assert ! @command.use_sudo?
+        end
+
+        should "be false on windows" do
+          stub(@command).host_os { "windows" }
+          assert ! @command.use_sudo?
+        end
+
+        should "be false on cygwin" do
+          stub(@command).host_os { "cygwin" }
+          assert ! @command.use_sudo?
+        end
+
+        should "be true on basically anything else" do
+          stub(@command).host_os { "darwin9" }
+          assert @command.use_sudo?
+        end
+      end
+
+      rubyforge_command_context "sudo_wrapper" do
+        should "prefix sudo if needed" do
+          stub(@command).use_sudo? { true }
+          assert_equal "sudo blarg", @command.sudo_wrapper("blarg")
+        end
+
+        should "not prefix with sudo if unneeded" do
+          stub(@command).use_sudo? { false }
+          assert_equal "blarg", @command.sudo_wrapper("blarg")
+        end
+      end
diff --git a/install_gem.rb b/install_gem.rb
@@ -0,0 +1,27 @@
+      def run
+        command = "gem install #{gemspec_helper.gem_path}"
+        output.puts "Executing #{command.inspect}:"
+
+        sh sudo_wrapper(command) # TODO where does sh actually come from!? - rake, apparently
+      end
+
+      def sudo_wrapper(command)
+        if use_sudo?
+          "sudo #{command}"
+        else
+          command
+        end
+      end
+
+      def use_sudo?
+        if host_os =~ /mswin|windows|cygwin/i
+          false
+        else
+          true
+        end
+
+      end
+
+      def host_os
+        Config::CONFIG['host_os']
+      end