Avoid setting Encoding.default_external and default_internal.

Rakefile

@@ -16,7 +16,7 @@ end
 if !ENV['NO_TEST_FIX'] and RUBY_VERSION == '1.9.2' and RUBY_PATCHLEVEL == 0
   # Avoids seg fault
   task(:test) do
-    second_run  = %w[settings rdoc markaby templates static].map { |l| "test/#{l}_test.rb" }
+    second_run  = %w[settings rdoc markaby templates static textile].map { |l| "test/#{l}_test.rb" }
     first_run   = Dir.glob('test/*_test.rb') - second_run
     [first_run, second_run].each { |f| sh "testrb #{f.join ' '}" }
   end

lib/sinatra/base.rb

@@ -130,8 +130,7 @@ module Sinatra
     def content_type(type, params={})
       mime_type = mime_type(type)
       fail "Unknown media type: %p" % type if mime_type.nil?
-      params[:charset] ||= params.delete('charset') ||
-        defined?(Encoding) ? Encoding.default_external.to_s.downcase : 'utf-8'
+      params[:charset] ||= params.delete('charset') || settings.default_encoding
       response['Content-Type'] = "#{mime_type};#{params.map { |kv| kv.join('=') }.join(', ')}"
     end
 
@@ -1211,15 +1210,10 @@ module Sinatra
     # The latter might not be necessary if Rack handles it one day.
     # Keep an eye on Rack's LH #100.
     if defined? Encoding
-      if Encoding.default_external.to_s =~ /^ASCII/
-        Encoding.default_external = "UTF-8"
-      end
-      Encoding.default_internal ||= Encoding.default_external
-
       def force_encoding(data)
         return if data == self || data.is_a?(Tempfile)
         if data.respond_to? :force_encoding
-          data.force_encoding(Encoding.default_external)
+          data.force_encoding settings.default_encoding
         elsif data.respond_to? :each_value
           data.each_value { |v| force_encoding(v) }
         elsif data.respond_to? :each
@@ -1230,7 +1224,6 @@ module Sinatra
       def force_encoding(*) end
     end
 
-
     reset!
 
     set :environment, (ENV['RACK_ENV'] || :development).to_sym
@@ -1240,6 +1233,7 @@ module Sinatra
     set :sessions, false
     set :logging, false
     set :method_override, false
+    set :default_encoding, "utf-8"
 
     class << self
       alias_method :methodoverride?, :method_override?

test/encoding_test.rb

@@ -8,7 +8,8 @@ class BaseTest < Test::Unit::TestCase
   end
 
   it 'allows unicode strings in ascii templates per default (1.9)' do
-    @base.new.haml(:ascii, {}, :value => "åkej")
+    next unless defined? Encoding
+    @base.new.haml(File.read(@base.views + "/ascii.haml").encode("ASCII"), {}, :value => "åkej")
   end
 
   it 'allows ascii strings in unicode templates per default (1.9)' do