Vendor Rack 1.0.1

Incorporate patch from Revision 496.

vendor/plugins/rack/test/spec_rack_conditionalget.rb

@@ -0,0 +1,41 @@
+require 'test/spec'
+require 'time'
+
+require 'rack/mock'
+require 'rack/conditionalget'
+
+context "Rack::ConditionalGet" do
+  specify "should set a 304 status and truncate body when If-Modified-Since hits" do
+    timestamp = Time.now.httpdate
+    app = Rack::ConditionalGet.new(lambda { |env|
+      [200, {'Last-Modified'=>timestamp}, ['TEST']] })
+
+    response = Rack::MockRequest.new(app).
+      get("/", 'HTTP_IF_MODIFIED_SINCE' => timestamp)
+
+    response.status.should.equal 304
+    response.body.should.be.empty
+  end
+
+  specify "should set a 304 status and truncate body when If-None-Match hits" do
+    app = Rack::ConditionalGet.new(lambda { |env|
+      [200, {'Etag'=>'1234'}, ['TEST']] })
+
+    response = Rack::MockRequest.new(app).
+      get("/", 'HTTP_IF_NONE_MATCH' => '1234')
+
+    response.status.should.equal 304
+    response.body.should.be.empty
+  end
+
+  specify "should not affect non-GET/HEAD requests" do
+    app = Rack::ConditionalGet.new(lambda { |env|
+      [200, {'Etag'=>'1234'}, ['TEST']] })
+
+    response = Rack::MockRequest.new(app).
+      post("/", 'HTTP_IF_NONE_MATCH' => '1234')
+
+    response.status.should.equal 200
+    response.body.should.equal 'TEST'
+  end
+end