Reading all chunks should close the underlying body.

lib/protocol/rack/input.rb

@@ -87,7 +87,14 @@ def empty?
 
 			def read_next
 				if @body
-					@body.read
+					# User's may forget to call #close...
+					if chunk = @body.read
+						return chunk
+					else
+						# So if we are at the end of the stream, we close it automatically:
+						@body.close
+						@body = nil
+					end
 				elsif @closed
 					raise IOError, "Stream is not readable, input has been closed!"
 				end

test/protocol/rack/input.rb

@@ -44,8 +44,12 @@
 
 		with '#read' do
 			it "can read all input" do
+				expect(body).to receive(:close)
+
 				expect(input.read).to be == sample_data.join
 				expect(input.read).to be == ""
+
+				expect(input.body).to be_nil
 			end
 
 			it "can read no input" do
@@ -64,6 +68,8 @@
 				expect(input.read).to be == sample_data.join[15..-1]
 
 				expect(input.read(1)).to be == nil
+
+				expect(input.body).to be_nil
 			end
 
 			it "can read partial input with buffer" do