3 files changed, 60 insertions, 2 deletions
diff --git a/railties/test/application/runner_test.rb b/railties/test/application/runner_test.rb
index 81ed5873a5..797c7a9470 100644
--- a/railties/test/application/runner_test.rb
+++ b/railties/test/application/runner_test.rb
@@ -67,5 +67,28 @@ module ApplicationTests
 
       assert_match "true", Dir.chdir(app_path) { `bundle exec rails runner "puts Rails.application.config.ran"` }
     end
+
+    def test_default_environment
+      assert_match "development", Dir.chdir(app_path) { `bundle exec rails runner "puts Rails.env"` }
+    end
+
+    def test_environment_with_rails_env
+      orig = ENV['RAILS_ENV']
+      ENV['RAILS_ENV'] = "production"
+      assert_match "production", Dir.chdir(app_path) { `bundle exec rails runner "puts Rails.env"` }
+    ensure
+      ENV['RAILS_ENV'] = orig
+    end
+
+    def test_environment_with_rails_env
+      rack, rails = ENV['RACK_ENV'], ENV['RAILS_ENV']
+      ENV['RACK_ENV'] = "production"
+      ENV['RAILS_ENV'] = nil
+      assert_match "production", Dir.chdir(app_path) { `bundle exec rails runner "puts Rails.env"` }
+    ensure
+      ENV['RAILS_ENV'] = rails
+      ENV['RACK_ENV'] = rack
+    end
+
   end
 end
diff --git a/railties/test/commands/console_test.rb b/railties/test/commands/console_test.rb
index f99ea13022..4062905c16 100644
--- a/railties/test/commands/console_test.rb
+++ b/railties/test/commands/console_test.rb
@@ -78,6 +78,13 @@ class Rails::ConsoleTest < ActiveSupport::TestCase
       assert_match(/\sspecial-production\s/, output)
     end
   end
+
+  def test_default_environment_with_rack_env
+    with_rack_env 'production' do
+      start
+      assert_match(/\sproduction\s/, output)
+    end
+  end
   
   def test_e_option
     start ['-e', 'special-production']
@@ -128,10 +135,18 @@ class Rails::ConsoleTest < ActiveSupport::TestCase
   end
 
   def with_rails_env(env)
-    original_rails_env = ENV['RAILS_ENV']
+    rails = ENV['RAILS_ENV']
     ENV['RAILS_ENV'] = env
     yield
   ensure
-    ENV['RAILS_ENV'] = original_rails_env
+    ENV['RAILS_ENV'] = rails
+  end
+
+  def with_rack_env(env)
+    rack = ENV['RACK_ENV']
+    ENV['RACK_ENV'] = env
+    with_rails_env(nil) { yield }
+  ensure
+    ENV['RACK_ENV'] = rack
   end
 end
diff --git a/railties/test/commands/server_test.rb b/railties/test/commands/server_test.rb
index 4a3ea82e3d..6a75207ebb 100644
--- a/railties/test/commands/server_test.rb
+++ b/railties/test/commands/server_test.rb
@@ -23,4 +23,24 @@ class Rails::ServerTest < ActiveSupport::TestCase
     assert_nil options[:environment]
     assert_equal 'thin', options[:server]
   end
+
+  def test_environment_with_rails_env
+    rails = ENV['RAILS_ENV']
+    ENV['RAILS_ENV'] = 'production'
+    server = Rails::Server.new
+    assert_equal 'production', server.options[:environment]
+  ensure
+    ENV['RAILS_ENV'] = rails
+  end
+
+  def test_environment_with_rack_env
+    rack, rails = ENV['RACK_ENV'], ENV['RAILS_ENV']
+    ENV['RAILS_ENV'] = nil
+    ENV['RACK_ENV'] = 'production'
+    server = Rails::Server.new
+    assert_equal 'production', server.options[:environment]
+  ensure
+    ENV['RACK_ENV'] = rack
+    ENV['RAILS_ENV'] = rails
+  end
 end