3 files changed, 44 insertions, 3 deletions
diff --git a/actionpack/test/controller/filters_test.rb b/actionpack/test/controller/filters_test.rb
index 829729eb1b..2e08a6af9f 100644
--- a/actionpack/test/controller/filters_test.rb
+++ b/actionpack/test/controller/filters_test.rb
@@ -1003,21 +1003,21 @@ class YieldingAroundFiltersTest < ActionController::TestCase
   def test_first_action_in_multiple_before_action_chain_halts
     controller = ::FilterTest::TestMultipleFiltersController.new
     response = test_process(controller, 'fail_1')
-    assert_equal ' ', response.body
+    assert_equal '', response.body
     assert_equal 1, controller.instance_variable_get(:@try)
   end
 
   def test_second_action_in_multiple_before_action_chain_halts
     controller = ::FilterTest::TestMultipleFiltersController.new
     response = test_process(controller, 'fail_2')
-    assert_equal ' ', response.body
+    assert_equal '', response.body
     assert_equal 2, controller.instance_variable_get(:@try)
   end
 
   def test_last_action_in_multiple_before_action_chain_halts
     controller = ::FilterTest::TestMultipleFiltersController.new
     response = test_process(controller, 'fail_3')
-    assert_equal ' ', response.body
+    assert_equal '', response.body
     assert_equal 3, controller.instance_variable_get(:@try)
   end
 
diff --git a/actionpack/test/controller/integration_test.rb b/actionpack/test/controller/integration_test.rb
index d6219b7626..5535c7ae78 100644
--- a/actionpack/test/controller/integration_test.rb
+++ b/actionpack/test/controller/integration_test.rb
@@ -850,3 +850,27 @@ class IntegrationWithRoutingTest < ActionDispatch::IntegrationTest
     end
   end
 end
+
+# to work in contexts like rspec before(:all)
+class IntegrationRequestsWithoutSetup < ActionDispatch::IntegrationTest
+  self._setup_callbacks = []
+  self._teardown_callbacks = []
+
+  class FooController < ActionController::Base
+    def ok
+      cookies[:key] = 'ok'
+      render plain: 'ok'
+    end
+  end
+
+  def test_request
+    with_routing do |routes|
+      routes.draw { get ':action' => FooController }
+      get '/ok'
+
+      assert_response 200
+      assert_equal 'ok', response.body
+      assert_equal 'ok', cookies['key']
+    end
+  end
+end
diff --git a/actionpack/test/controller/render_test.rb b/actionpack/test/controller/render_test.rb
index b036b6c08e..929b161eb6 100644
--- a/actionpack/test/controller/render_test.rb
+++ b/actionpack/test/controller/render_test.rb
@@ -217,6 +217,15 @@ class TestController < ActionController::Base
     head :forbidden, :x_custom_header => "something"
   end
 
+  def head_with_no_content
+    # Fill in the headers with dummy data to make
+    # sure they get removed during the testing
+    response.headers["Content-Type"] = "dummy"
+    response.headers["Content-Length"] = 42
+
+    head 204
+  end
+
   private
 
     def set_variable_for_layout
@@ -545,6 +554,14 @@ class HeadRenderTest < ActionController::TestCase
     end
   end
 
+  def test_head_with_no_content
+    get :head_with_no_content
+
+    assert_equal 204, @response.status
+    assert_nil @response.headers["Content-Type"]
+    assert_nil @response.headers["Content-Length"]
+  end
+
   def test_head_with_string_status
     get :head_with_string_status, :status => "404 Eat Dirt"
     assert_equal 404, @response.response_code