Vendor Rack 1.0.1

Incorporate patch from Revision 496.

vendor/plugins/rack/test/spec_rack_builder.rb

@@ -0,0 +1,84 @@
+require 'test/spec'
+
+require 'rack/builder'
+require 'rack/mock'
+require 'rack/showexceptions'
+require 'rack/auth/basic'
+
+context "Rack::Builder" do
+  specify "chains apps by default" do
+    app = Rack::Builder.new do
+      use Rack::ShowExceptions
+      run lambda { |env| raise "bzzzt" }
+    end.to_app
+
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+  end
+
+  specify "has implicit #to_app" do
+    app = Rack::Builder.new do
+      use Rack::ShowExceptions
+      run lambda { |env| raise "bzzzt" }
+    end
+
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+  end
+
+  specify "supports blocks on use" do
+    app = Rack::Builder.new do
+      use Rack::ShowExceptions
+      use Rack::Auth::Basic do |username, password|
+        'secret' == password
+      end
+
+      run lambda { |env| [200, {}, ['Hi Boss']] }
+    end
+
+    response = Rack::MockRequest.new(app).get("/")
+    response.should.be.client_error
+    response.status.should.equal 401
+
+    # with auth...
+    response = Rack::MockRequest.new(app).get("/", 
+        'HTTP_AUTHORIZATION' => 'Basic ' + ["joe:secret"].pack("m*"))
+    response.status.should.equal 200
+    response.body.to_s.should.equal 'Hi Boss'
+  end
+
+  specify "has explicit #to_app" do
+    app = Rack::Builder.app do
+      use Rack::ShowExceptions
+      run lambda { |env| raise "bzzzt" }
+    end
+
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+  end
+
+  specify "apps are initialized once" do
+    app = Rack::Builder.new do
+      class AppClass
+        def initialize
+          @called = 0
+        end
+        def call(env)
+          raise "bzzzt"  if @called > 0
+        @called += 1
+          [200, {'Content-Type' => 'text/plain'}, ['OK']]
+        end
+      end
+
+      use Rack::ShowExceptions
+      run AppClass.new
+    end
+
+    Rack::MockRequest.new(app).get("/").status.should.equal 200
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+  end
+
+end