Make use of silence_stderr in script/lighttpd, script/plugin, and Rails::Info

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2903 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Make use of silence_stderr in script/lighttpd, script/plugin, and Rails::Info [Sam Stephenson]
+
 * Enable HTTP installation of plugins when svn isn't avaialable. Closes #2661. [Chad Fowler]
 
 * Load Rails::Info after initialization [Sam Stephenson]

railties/lib/commands/lighttpd.rb

@@ -1,4 +1,6 @@
-unless RUBY_PLATFORM !~ /mswin/ && `lighttpd -version 2>/dev/null`.size > 0
+require 'active_support'
+
+unless RUBY_PLATFORM !~ /mswin/ && !silence_stderr { `lighttpd -version` }.blank?
   puts "lighttpd is not available on your system (or not in your path)"
   exit 1
 end

railties/lib/commands/plugin.rb

@@ -119,7 +119,7 @@ class RailsEnvironment
 
   def externals
     return [] unless use_externals?
-    ext = `svn propget svn:externals #{root}/vendor/plugins 2> /dev/null`
+    ext = silence_stderr { `svn propget svn:externals #{root}/vendor/plugins` }
     ext.reject{ |line| line.strip == '' }.map do |line| 
       line.strip.split(/\s+/, 2) 
     end

railties/lib/rails_info.rb

@@ -29,8 +29,8 @@ module Rails
         "#{component.classify}::Version::STRING".constantize
       end
     
-      def edge_rails_revision
-        svn_info[/^Revision: (\d+)/, 1] || 'unknown'
+      def edge_rails_revision(info = svn_info)
+        info[/^Revision: (\d+)/, 1]
       end
     
       def to_s
@@ -45,7 +45,7 @@ module Rails
     protected
       def svn_info
         Dir.chdir("#{RAILS_ROOT}/vendor/rails") do
-          IO.popen('svn info') { |f| f.read }
+          silence_stderr { `svn info` }
         end
       end
     end

railties/test/rails_info_test.rb

@@ -5,10 +5,22 @@ require 'test/unit'
 require 'active_support'
 require 'rails_info'
 
-class << Rails::Info
-protected
-  def svn_info
-    <<-EOS
+class InfoTest < Test::Unit::TestCase
+  def setup
+    Rails.send :remove_const, :Info
+    silence_warnings { load 'rails_info.rb' }
+  end
+  
+  def test_edge_rails_revision_not_set_when_svn_info_is_empty
+    Rails::Info.property 'Test that this will not be defined' do
+      Rails::Info.edge_rails_revision ''
+    end
+    assert !property_defined?('Test that this will not be defined')
+  end
+  
+  def test_edge_rails_revision_extracted_from_svn_info
+    Rails::Info.property 'Test Edge Rails revision' do
+      Rails::Info.edge_rails_revision <<-EOS
 Path: .
 URL: http://www.rubyonrails.com/svn/rails/trunk
 Repository UUID: 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
@@ -22,11 +34,8 @@ Properties Last Updated: 2005-10-28 19:30:00 -0500 (Fri, 28 Oct 2005)
 
 EOS
     end
-end
   
-class InfoTest < Test::Unit::TestCase
-  def test_edge_rails_revision_extracted_from_svn_info
-    assert_equal '2881', Rails::Info.edge_rails_revision
+    assert_property 'Test Edge Rails revision', '2881'
   end
   
   def test_property_with_block_swallows_exceptions_and_ignores_property
@@ -57,6 +66,16 @@ class InfoTest < Test::Unit::TestCase
   end
 
 protected
+  def svn_info=(info)
+    Rails::Info.module_eval do
+      class << self
+        def svn_info
+          info
+        end
+      end
+    end
+  end
+  
   def properties
     Rails::Info.properties
   end