Add test for non-rewindable inputs.

Author: samuel-williams-shopify

test/protocol/rack/input.rb

@@ -52,16 +52,6 @@
 				expect(input).to be(:closed?)
 			end
 
-			it "can rewind after reading all input" do
-				expect(input.read).to be == sample_data.join
-				expect(input).to be(:closed?)
-				
-				input.rewind
-				
-				expect(input).not.to be(:closed?)
-				expect(input.read).to be == sample_data.join
-			end
-			
 			it "can read exactly the content length" do
 				expect(body).to receive(:close)
 
@@ -155,6 +145,33 @@
 				expect(input).not.to be(:closed?)
 			end
 		end
+
+		with "#rewind" do
+			it "can rewind after reading all input" do
+				expect(input.read).to be == sample_data.join
+				expect(input).to be(:closed?)
+				
+				input.rewind
+				
+				expect(input).not.to be(:closed?)
+				expect(input.read).to be == sample_data.join
+			end
+
+			it "can rewind after reading partial input" do
+				expect(input.read(3)).to be == "The"
+				expect(input).not.to be(:closed?)
+				
+				input.rewind
+				
+				expect(input).not.to be(:closed?)
+				expect(input.read(3)).to be == "The"
+			end
+
+			it "can't rewind after explicit close" do
+				input.close
+				expect(input.rewind).to be == false
+			end
+		end
 	end
 
 	with "no body" do