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/*
*
* 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.
*
*/
#include <LazyLoadedContent.h>
#include <AMQP_HighestVersion.h>
#include <NullMessageStore.h>
#include <qpid_test_plugin.h>
#include <iostream>
#include <list>
#include <sstream>
using std::list;
using std::string;
using boost::dynamic_pointer_cast;
using namespace qpid::broker;
using namespace qpid::framing;
struct DummyHandler : OutputHandler{
std::vector<AMQFrame*> frames;
virtual void send(AMQDataBlock* block){
frames.push_back(dynamic_cast<AMQFrame*>(block));
}
};
class LazyLoadedContentTest : public CppUnit::TestCase
{
CPPUNIT_TEST_SUITE(LazyLoadedContentTest);
CPPUNIT_TEST(testFragmented);
CPPUNIT_TEST(testWhole);
CPPUNIT_TEST(testHalved);
CPPUNIT_TEST_SUITE_END();
class TestMessageStore : public NullMessageStore
{
const string content;
public:
TestMessageStore(const string& _content) : content(_content) {}
void loadContent(Message* const, string& data, u_int64_t offset, u_int32_t length)
{
if (offset + length <= content.size()) {
data = content.substr(offset, length);
} else{
std::stringstream error;
error << "Invalid segment: offset=" << offset << ", length=" << length << ", content_length=" << content.size();
throw qpid::Exception(error.str());
}
}
};
public:
void testFragmented()
{
string data = "abcdefghijklmnopqrstuvwxyz";
u_int32_t framesize = 5;
string out[] = {"abcde", "fghij", "klmno", "pqrst", "uvwxy", "z"};
load(data, 6, out, framesize);
}
void testWhole()
{
string data = "abcdefghijklmnopqrstuvwxyz";
u_int32_t framesize = 50;
string out[] = {data};
load(data, 1, out, framesize);
}
void testHalved()
{
string data = "abcdefghijklmnopqrstuvwxyz";
u_int32_t framesize = 13;
string out[] = {"abcdefghijklm", "nopqrstuvwxyz"};
load(data, 2, out, framesize);
}
void load(string& in, size_t outCount, string* out, u_int32_t framesize)
{
TestMessageStore store(in);
LazyLoadedContent content(&store, 0, in.size());
DummyHandler handler;
u_int16_t channel = 3;
content.send(highestProtocolVersion, &handler, channel, framesize);
check(handler, channel, outCount, out);
}
void check(DummyHandler& handler, u_int16_t channel, size_t expectedChunkCount, string* expectedChunks)
{
CPPUNIT_ASSERT_EQUAL(expectedChunkCount, handler.frames.size());
for (unsigned int i = 0; i < expectedChunkCount; i++) {
AMQContentBody::shared_ptr chunk(dynamic_pointer_cast<AMQContentBody, AMQBody>(handler.frames[i]->getBody()));
CPPUNIT_ASSERT(chunk);
CPPUNIT_ASSERT_EQUAL(expectedChunks[i], chunk->getData());
CPPUNIT_ASSERT_EQUAL(channel, handler.frames[i]->getChannel());
}
}
};
// Make this test suite a plugin.
CPPUNIT_PLUGIN_IMPLEMENT();
CPPUNIT_TEST_SUITE_REGISTRATION(LazyLoadedContentTest);
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