/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/

/*
 * encoder_tests.cpp
 *
 *  Created on: 21 Jun 2011
 *      Author: Ben Gray (@benjamg)
 */

#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_MODULE kafkaconnect
#include <boost/test/unit_test.hpp>

#include <string>
#include <vector>

#include "../encoder.hpp"

BOOST_AUTO_TEST_CASE(single_message_test)
{
	std::ostringstream stream;

	std::vector<std::string> messages;
	messages.push_back("test message");

	kafkaconnect::encode(stream, "topic", 1, messages);

	BOOST_CHECK_EQUAL(stream.str().length(), 4 + 2 + 2 + strlen("topic") + 4 + 4 + 9 + strlen("test message"));
	BOOST_CHECK_EQUAL(stream.str().at(3), 2 + 2 + strlen("topic") + 4 + 4 + 9 + strlen("test message"));
	BOOST_CHECK_EQUAL(stream.str().at(5), 0);
	BOOST_CHECK_EQUAL(stream.str().at(7), strlen("topic"));
	BOOST_CHECK_EQUAL(stream.str().at(8), 't');
	BOOST_CHECK_EQUAL(stream.str().at(8 + strlen("topic") - 1), 'c');
	BOOST_CHECK_EQUAL(stream.str().at(11 + strlen("topic")), 1);
	BOOST_CHECK_EQUAL(stream.str().at(15 + strlen("topic")), 9 + strlen("test message"));
	BOOST_CHECK_EQUAL(stream.str().at(16 + strlen("topic")), 0);
	BOOST_CHECK_EQUAL(stream.str().at(25 + strlen("topic")), 't');
}

BOOST_AUTO_TEST_CASE(multiple_message_test)
{
	std::ostringstream stream;

	std::vector<std::string> messages;
	messages.push_back("test message");
	messages.push_back("another message to check");

	kafkaconnect::encode(stream, "topic", 1, messages);

	BOOST_CHECK_EQUAL(stream.str().length(), 4 + 2 + 2 + strlen("topic") + 4 + 4 + 9 + strlen("test message") + 9 + strlen("another message to check"));
	BOOST_CHECK_EQUAL(stream.str().at(3), 2 + 2 + strlen("topic") + 4 + 4 + 9 + strlen("test message") + 9 + strlen("another message to check"));
	BOOST_CHECK_EQUAL(stream.str().at(15 + strlen("topic")), 9 + strlen("test message") + 9 + strlen("another message to check"));
}