Improve HTTP Basic authentication tests

actionpack/test/controller/http_authentication_test.rb

-require 'abstract_unit'
-
-class HttpBasicAuthenticationTest < Test::Unit::TestCase
-  include ActionController::HttpAuthentication::Basic
-  
-  class DummyController
-    attr_accessor :headers, :renders, :request
-    
-    def initialize
-      @headers, @renders = {}, []
-      @request = ActionController::TestRequest.new
-    end
-    
-    def render(options)
-      self.renders << options
-    end
-  end
-
-  def setup
-    @controller  = DummyController.new
-    @credentials = ActionController::HttpAuthentication::Basic.encode_credentials("dhh", "secret")
-  end
-
-  def test_successful_authentication
-    login = Proc.new { |user_name, password| user_name == "dhh" && password == "secret" }
-    set_headers
-    assert authenticate(@controller, &login)
-
-    set_headers ''
-    assert_nothing_raised do
-      assert !authenticate(@controller, &login)
-    end
-
-    set_headers nil
-    set_headers @credentials, 'REDIRECT_X_HTTP_AUTHORIZATION'
-    assert authenticate(@controller, &login)
-  end
-
-  def test_failing_authentication
-    set_headers
-    assert !authenticate(@controller) { |user_name, password| user_name == "dhh" && password == "incorrect" }
-  end
-  
-  def test_authentication_request
-    authentication_request(@controller, "Megaglobalapp")
-    assert_equal 'Basic realm="Megaglobalapp"', @controller.headers["WWW-Authenticate"]
-    assert_equal :unauthorized, @controller.renders.first[:status]
-  end
-
-  private
-    def set_headers(value = @credentials, name = 'HTTP_AUTHORIZATION')
-      @controller.request.env[name] = value
-    end
-end

actionpack/test/controller/http_basic_authentication_test.rb

+require 'abstract_unit'
+
+class DummyController < ActionController::Base
+  before_filter :authenticate, :only => :index
+  before_filter :authenticate_with_request, :only => :display
+
+  def index
+    render :text => "Hello Secret"
+  end
+
+  def display
+    render :text => 'Definitely Maybe'
+  end
+
+  private
+
+  def authenticate
+    authenticate_or_request_with_http_basic do |username, password|
+      username == 'lifo' && password == 'world'
+    end
+  end
+
+  def authenticate_with_request
+    if authenticate_with_http_basic { |username, password| username == 'pretty' && password == 'please' }
+      @logged_in = true
+    else
+      request_http_basic_authentication("SuperSecret")
+    end
+  end
+end
+
+class HttpBasicAuthenticationTest < ActionController::TestCase
+  AUTH_HEADERS = ['HTTP_AUTHORIZATION', 'X-HTTP_AUTHORIZATION', 'X_HTTP_AUTHORIZATION', 'REDIRECT_X_HTTP_AUTHORIZATION']
+
+  tests DummyController
+
+  AUTH_HEADERS.each do |header|
+    test "successful authentication with #{header.downcase}" do
+      @request.env[header] = encode_credentials('lifo', 'world')
+      get :index
+
+      assert_response :success
+      assert_equal 'Hello Secret', @response.body, "Authentication failed for request header #{header}"
+    end
+  end
+
+  AUTH_HEADERS.each do |header|
+    test "unsuccessful authentication with #{header.downcase}" do
+      @request.env[header] = encode_credentials('h4x0r', 'world')
+      get :index
+
+      assert_response :unauthorized
+      assert_equal "HTTP Basic: Access denied.\n", @response.body, "Authentication didn't fail for request header #{header}"
+    end
+  end
+
+  test "authentication request without credential" do
+    get :display
+
+    assert_response :unauthorized
+    assert_equal "HTTP Basic: Access denied.\n", @response.body
+    assert_equal 'Basic realm="SuperSecret"', @response.headers['WWW-Authenticate']
+  end
+
+  test "authentication request with invalid credential" do
+    @request.env['HTTP_AUTHORIZATION'] = encode_credentials('pretty', 'foo')
+    get :display
+
+    assert_response :unauthorized
+    assert_equal "HTTP Basic: Access denied.\n", @response.body
+    assert_equal 'Basic realm="SuperSecret"', @response.headers['WWW-Authenticate']
+  end
+
+  test "authentication request with valid credential" do
+    @request.env['HTTP_AUTHORIZATION'] = encode_credentials('pretty', 'please')
+    get :display
+
+    assert_response :success
+    assert assigns(:logged_in)
+    assert_equal 'Definitely Maybe', @response.body
+  end
+
+  private
+
+  def encode_credentials(username, password)
+    "Basic #{ActiveSupport::Base64.encode64("#{username}:#{password}")}"
+  end
+end