Mock HTTP::Connection#finished_request?

lib/webmock/http_lib_adapters/http_rb/streamer.rb

@@ -25,6 +25,10 @@ def close
         @io.close
       end
 
+      def finished_request?
+        @io.eof?
+      end
+
       def sequence_id
         -1
       end

spec/acceptance/http_rb/http_rb_spec.rb

@@ -89,6 +89,20 @@
 
       response.connection.close
     end
+
+    it "reports request finish" do
+      stub_request(:get, "example.com/foo")
+        .to_return(body: 'XX')
+      response = HTTP.get "http://example.com/foo"
+
+      expect(response.connection.finished_request?).to be(false)
+
+      response.body.readpartial(1)
+      expect(response.connection.finished_request?).to be(false)
+
+      response.body.readpartial
+      expect(response.connection.finished_request?).to be(true)
+    end
   end
 
   it "should preserve request body encoding when matching requests" do