diff --git a/libgrive/test/http/MockAgent.cc b/libgrive/test/http/MockAgent.cc
new file mode 100644
index 0000000..69e655b
--- /dev/null
+++ b/libgrive/test/http/MockAgent.cc
@@ -0,0 +1,78 @@
+/*
+	grive: an GPL program to sync a local directory with Google Drive
+	Copyright (C) 2012  Wan Wai Ho
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation version 2
+	of the License.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#include "MockAgent.hh"
+
+namespace gr { namespace http {
+
+MockAgent::MockAgent()
+{
+}
+
+long MockAgent::Put(
+	const std::string&		,
+	const std::string&		,
+	Receivable				*,
+	const Header&			)
+{
+	return 200 ;
+}
+
+long MockAgent::Get(
+	const std::string& 		,
+	Receivable				*,
+	const Header&			 )
+{
+	return 200 ;
+}
+
+long MockAgent::Post(
+	const std::string& 		,
+	const std::string&		,
+	Receivable				*,
+	const Header&			 )
+{
+	return 200 ;
+}
+
+long MockAgent::Custom(
+	const std::string&		,
+	const std::string&		,
+	Receivable				*,
+	const Header&			 )
+{
+	return 200 ;
+}
+
+std::string MockAgent::RedirLocation() const
+{
+	return "" ;
+}
+
+std::string MockAgent::Escape( const std::string& str )
+{
+	return str ;
+}
+
+std::string MockAgent::Unescape( const std::string& str )
+{
+	return str ;
+}
+
+} } // end of namespace
diff --git a/libgrive/test/http/MockAgent.hh b/libgrive/test/http/MockAgent.hh
new file mode 100644
index 0000000..d348e62
--- /dev/null
+++ b/libgrive/test/http/MockAgent.hh
@@ -0,0 +1,64 @@
+/*
+	grive: an GPL program to sync a local directory with Google Drive
+	Copyright (C) 2012  Wan Wai Ho
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation version 2
+	of the License.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#pragma once
+
+#include "Agent.hh"
+
+namespace gr { namespace http {
+
+/*!	\brief	HTTP mock agent
+
+	This HTTP agent does nothing. It is used for unit test and dry runs.
+*/
+class MockAgent : public Agent
+{
+public :
+	MockAgent() ;
+	
+	long Put(
+		const std::string&	url,
+		const std::string&	data,
+		Receivable			*dest,
+		const Header&		hdr ) ;
+
+	long Get(
+		const std::string& 	url,
+		Receivable			*dest,
+		const Header&		hdr ) ;
+	
+	long Post(
+		const std::string& 	url,
+		const std::string&	data,
+		Receivable			*dest,
+		const Header&		hdr ) ;
+	
+	long Custom(
+		const std::string&	method,
+		const std::string&	url,
+		Receivable			*dest,
+		const Header&		hdr ) ;
+	
+	std::string RedirLocation() const ;
+	
+	std::string Escape( const std::string& str ) ;
+	std::string Unescape( const std::string& str ) ;
+} ;
+
+} } // end of namespace