add a new constructor for allocating test requests

actionpack/lib/action_controller/test_case.rb

@@ -14,6 +14,18 @@ def self.new_session
       TestSession.new
     end
 
+    # Create a new test request with default `env` values
+    def self.create
+      env = {}
+      env = Rails.application.env_config.merge(env) if defined?(Rails.application) && Rails.application
+      new(default_env.merge(env), new_session)
+    end
+
+    def self.default_env
+      DEFAULT_ENV
+    end
+    private_class_method :default_env
+
     def initialize(env, session)
       super(env)
 
@@ -70,12 +82,6 @@ def recycle!
       @fullpath = @ip = @remote_ip = @protocol = nil
       @env['action_dispatch.request.query_parameters'] = {}
     end
-
-    private
-
-    def default_env
-      DEFAULT_ENV
-    end
   end
 
   class TestResponse < ActionDispatch::TestResponse
@@ -516,7 +522,7 @@ def setup_controller_request_and_response
           end
         end
 
-        @request          = build_request({}, TestRequest.new_session)
+        @request          = TestRequest.create
         @request.env["rack.request.cookie_hash"] = {}.with_indifferent_access
         @response         = build_response @response_klass
         @response.request = @request
@@ -527,10 +533,6 @@ def setup_controller_request_and_response
         end
       end
 
-      def build_request(env, session)
-        TestRequest.new(env, session)
-      end
-
       def build_response(klass)
         klass.new
       end

actionpack/lib/action_dispatch/testing/assertions/routing.rb

@@ -183,7 +183,7 @@ def recognized_request_for(path, extras = {}, msg)
           end
 
           # Assume given controller
-          request = build_request({}, ActionController::TestRequest.new_session)
+          request = ActionController::TestRequest.create
 
           if path =~ %r{://}
             fail_on(URI::InvalidURIError, msg) do

actionpack/lib/action_dispatch/testing/test_request.rb

@@ -10,11 +10,17 @@ class TestRequest < Request
       "rack.request.cookie_hash" => {}.with_indifferent_access
     )
 
-    def initialize(env)
+    # Create a new test request with default `env` values
+    def self.create(env = {})
       env = Rails.application.env_config.merge(env) if defined?(Rails.application) && Rails.application
-      super(default_env.merge(env))
+      new(default_env.merge(env))
     end
 
+    def self.default_env
+      DEFAULT_ENV
+    end
+    private_class_method :default_env
+
     def request_method=(method)
       @env['REQUEST_METHOD'] = method.to_s.upcase
     end
@@ -59,11 +65,5 @@ def accept=(mime_types)
       @env.delete('action_dispatch.request.accepts')
       @env['HTTP_ACCEPT'] = Array(mime_types).collect(&:to_s).join(",")
     end
-
-    private
-
-    def default_env
-      DEFAULT_ENV
-    end
   end
 end

actionpack/test/dispatch/test_request_test.rb

@@ -2,7 +2,7 @@
 
 class TestRequestTest < ActiveSupport::TestCase
   test "sane defaults" do
-    env = ActionDispatch::TestRequest.new({}).env
+    env = ActionDispatch::TestRequest.create.env
 
     assert_equal "GET", env.delete("REQUEST_METHOD")
     assert_equal "off", env.delete("HTTPS")
@@ -27,7 +27,7 @@ class TestRequestTest < ActiveSupport::TestCase
   end
 
   test "cookie jar" do
-    req = ActionDispatch::TestRequest.new({})
+    req = ActionDispatch::TestRequest.create({})
 
     assert_equal({}, req.cookies)
     assert_equal nil, req.env["HTTP_COOKIE"]
@@ -55,38 +55,38 @@ class TestRequestTest < ActiveSupport::TestCase
 
   test "does not complain when Rails.application is nil" do
     Rails.stubs(:application).returns(nil)
-    req = ActionDispatch::TestRequest.new({})
+    req = ActionDispatch::TestRequest.create({})
 
     assert_equal false, req.env.empty?
   end
 
   test "default remote address is 0.0.0.0" do
-    req = ActionDispatch::TestRequest.new({})
+    req = ActionDispatch::TestRequest.create({})
     assert_equal '0.0.0.0', req.remote_addr
   end
 
   test "allows remote address to be overridden" do
-    req = ActionDispatch::TestRequest.new('REMOTE_ADDR' => '127.0.0.1')
+    req = ActionDispatch::TestRequest.create('REMOTE_ADDR' => '127.0.0.1')
     assert_equal '127.0.0.1', req.remote_addr
   end
 
   test "default host is test.host" do
-    req = ActionDispatch::TestRequest.new({})
+    req = ActionDispatch::TestRequest.create({})
     assert_equal 'test.host', req.host
   end
 
   test "allows host to be overridden" do
-    req = ActionDispatch::TestRequest.new('HTTP_HOST' => 'www.example.com')
+    req = ActionDispatch::TestRequest.create('HTTP_HOST' => 'www.example.com')
     assert_equal 'www.example.com', req.host
   end
 
   test "default user agent is 'Rails Testing'" do
-    req = ActionDispatch::TestRequest.new({})
+    req = ActionDispatch::TestRequest.create({})
     assert_equal 'Rails Testing', req.user_agent
   end
 
   test "allows user agent to be overridden" do
-    req = ActionDispatch::TestRequest.new('HTTP_USER_AGENT' => 'GoogleBot')
+    req = ActionDispatch::TestRequest.create('HTTP_USER_AGENT' => 'GoogleBot')
     assert_equal 'GoogleBot', req.user_agent
   end