ClickHouse/src/IO/tests/gtest_hadoop_snappy_decoder.cpp
2022-03-10 12:13:19 +08:00

67 lines
5.0 KiB
C++

#include <snappy.h>
#include <IO/HadoopSnappyReadBuffer.h>
#include <gtest/gtest.h>
#include <IO/ReadBufferFromFile.h>
#include <IO/ReadBufferFromString.h>
#include <IO/WriteBufferFromFile.h>
#include <IO/WriteBufferFromString.h>
#include <IO/WriteHelpers.h>
#include <IO/copyData.h>
#include <Poco/Base64Decoder.h>
#include <Poco/Base64Encoder.h>
#include <Poco/MemoryStream.h>
#include <Poco/StreamCopier.h>
#include <Poco/String.h>
#include <Common/SipHash.h>
#include <Common/hex.h>
using namespace DB;
TEST(HadoopSnappyDecoder, repeatNeedMoreInput)
{
String snappy_base64_content = "AAAl6gAAB67qSzQyMDIxLTA2LTAxAXh4eGIEACQzMTkuNzQyNDMKnjEAHDQyLjgyMTcynjEAIDI5Ni4yODQwNqIxA"
"BgyNy43MjYzqpMAGDMuNTIyMzSiYgAcNjUuNDk1OTeiMQAYOTQuNTg1NaYxABg4OC40NzgyojEAHDMyMS4zOTE1os"
"QAHDM0Ni4xNTI3qjEAGDEuMjA3MTWm9QAQMi41MjamYQAcMjIuNTEyNDieYQAcMzMwLjI5MTKiGgIcMzIzLjAzNDi"
"iwwAcMzE1LjA1MDmiYgAcNDM1Ljc2ODaqxAAUMS45NDA5nvQACDAuMP4rAEorABwzMDMuMjAyNaYZARgwOC4xOTEy"
"pugAGDQ2LjQ0MjKilQMcMjc4Ljk3MTiiMQAcMzUwLjc3NTeirAGqSwEcMzI5LjkyMzGiXAAcMzMxLjc2NzamwAMUM"
"TMuNjM4pjEAGDI3NC4yMzK2MQAINDg0qrMBFDExLjgzNqbbBRgyNDkuNTI5qtsFGDUwLjE4ODmi5AGlSAgwNjWmiA"
"EUMjIuNjU4pqcCBDUzYcCqdgIYMDEuMzcxNbbPBgQ5Na5TBBA0Ljc1OaIiBMGdDDM0OTGeJwQcMjg3LjIyNTmm/AM"
"hVAAyopAAGDMxOC4wMjGmMAAB8AQ0OKpGAhgyMC42MTM4poMBFDg3LjEzOKoxABA5My4xNaZSARQ5NS41ODemTgVh"
"OQwwODg2osIAGDMyNi45NTSmMQAcMjc3LjgxNDmqjQcMNS42MqpqA0F3DDg2MDamzAPhKwQ4OKJWARgzMDYuMTc1q"
"i0EGDgwLjIwNTSihAUYMjk3LjY5NaYiBRAyOTAuM6aNBBgyMzkuMzI5pkIJwdOi7wcYMzcxLjIyNqpiBxQ0NS44Nz"
"Gq9woEODAOZAoANqJ+BRgyNzYuMjExpnYCIYIMMjIyOKKnAmVrBDc0psQAEDMwOS4xqtEJGDMwNC45MzSq8wAMNC4"
"0OKomCyG3DDE4MTGi/AMhJAQxMKqjBhgyNjEuNDQ4rqMGFDIuOTEwN6I5AwQzN7JMCQw2LjcwqqoMGDI2MC44NzOm"
"dwIOTAkMNDgzMqLSBhQyNTkuMjGmYweBiwg3MzOmyQMYNDM3Ljg1N6ZyBq5QARQzMy43MjSqKw4UMTIuNzkxpkkFD"
"mgNDDc4MzCmUAEUOTUuOTQypnoFDiQIDDI2ODmmBQMUNTEuMjc2qikEDtkJBDA1qgUDFDA3LjE1N6ZiAOGUCDMwOa"
"oxABA3NC42NqqmAhA5Ni45N6rIAxwzMDcuMjkzMaL+ChQyNzUuODau/QoANOExpugBGDI0Ny4xODSm5wEYOTEuNDE"
"3MZ7MChQzMzUuNjWquQQUNTMuODg1psMHDu8SCDIyOaYJDoFbCDk4M6aWDhwzNDEuNTcyMKK1AUF4ADSqCwoQMzg1"
"LjSujBIB9Aw0MDUwotoJDi4PCDc0N6aHARgyMjMuODMxpgYRwmcRGDIxMi4xNjWqSgIQMDkuODmuzgMYMTkuNTg0M"
"aK7CMFFADmuZQcQMDYuMzKqXwAIOS4zrl8ADu4PBDQ0qtQUGDQ3LjAzODGmFwIYMTAuOTIwMKLDAKG0DDM3MDOiYg"
"CqNgcORgkEMzeuGwWqXQAhqwg2MDWmSQUYMjY0LjE2N6aZFBIgFgQyM6aiCRQwNi41NTSm9AcYMjczLjczNqqSABg"
"0NS45OTIzpugPFDIxLjc3MqZ4EBwyODYuMDkyNKZAAhg0OS4yMjQzom8GDu0LCDEwNKaTBwAzDiUIADimGQkUMzM4"
"Ljc2qlITADcOmBUAOaYNBhwyNzAuODA4N6qrCQw3LjAwppkYwT4IMjYzrg0GDDMuOTmq/xEQMjIuODOqRgkEMjQOX"
"xKmQA0IMzAwDggVqjwREDY1LjYxsh8aCDQuOKrCBxgyNTQuNjQ2phMUISQENzmqsAwOLgsENTWqeAIQOTEuNTiuzR"
"EANw55CQAwpp8GEDI2My44rgsRFDI0LjMxNqZuBhIrFgAxqswDGDI4OS4zMzCqXwQANoHyADCmbAMUMzI4LjM2pps"
"DDDY1LjKBj57+Cg5PFwQ1NaoVBmFrADaqwgccMjk5LjgxMTCqdwYQMy4wODKmZwcEMzIOqBQAMaaCBRgyMjUuMTE2"
"qtkJADEOLw8AMKYwBBgyMzAuMTQyprwPGDMwMi4wMjemiAEOzQ4MODA0M6YaAhA1NC4yNKYkBWEMDsELqmEAFDIuN"
"jE4N6LNBxgyODMuNTM1qqUfFDk5Ljc4NKaaGQ5UEAgyNjSuqw2usgkYNDMuMDY0MZ5rAyHkCDMzOa6sHg6+CwAwpn"
"YGDnseCDk1MqaoAsHYDDgzNjeiLgsYMjg1LjkzMqZ1EQ67IQgyNTmmMQBB2Qg0OTamuhMUMjcxLjkzqpMWBDMyDoo"
"hADSmYgChhAg2NjimeAIQMzkxLjiqyw4IOTkuDt8bpoYBDDk0LjamaQMO4hAIOTI3qqQYFDQyLjk1M6oxAAQ4NA7G"
"HaZKIg6YCwwxNzYzpiQXFDkwLjk0OKqqAhQ5Ny4yNzSmvwQANg54GKq/CA4AIQg1MzOm/wMUNTYuNzQ2phcCHDM0N"
"S4wOTEyoswHDoAQCDA5M6rOGRA5MS42N6ZPGyQyNzUuNzExMTIK";
String snappy_content;
Poco::MemoryInputStream istr(snappy_base64_content.data(), snappy_base64_content.size());
Poco::Base64Decoder decoder(istr);
Poco::StreamCopier::copyToString(decoder, snappy_content);
auto file_writer = std::make_unique<WriteBufferFromFile>("./test.snappy");
file_writer->write(snappy_content.c_str(), snappy_content.size());
file_writer->close();
std::unique_ptr<ReadBuffer> in = std::make_unique<ReadBufferFromFile>("./test.snappy", 128);
HadoopSnappyReadBuffer read_buffer(std::move(in));
String output;
WriteBufferFromString out(output);
copyData(read_buffer, out);
UInt128 hashcode = sipHash128(output.c_str(), output.size());
String hashcode_str = getHexUIntLowercase(hashcode);
ASSERT_EQ(hashcode_str, "593afe14f61866915cc00b8c7bd86046");
}