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129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
#pragma once
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#include <stdexcept>
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#include <sstream>
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#include <iostream>
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/// Часть функциональности - только для сборки из репозитория Метрики.
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#ifndef NO_METRIKA
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#include <ssqls/IDbObject.h>
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#else
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struct IDbObject {};
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#endif
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#include <regex>
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#include <iostream>
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#include <DB/Common/StackTrace.h>
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#include <DB/IO/WriteBufferFromString.h>
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#include <Poco/ConsoleChannel.h>
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#include <Poco/Logger.h>
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#include <Poco/AutoPtr.h>
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namespace Test
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{
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template <class Result, class Reference, class Enable = void>
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struct Comparator
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{
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void check(const Result & result, const Reference & reference, const std::string & check_name = "")
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{
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if (result != reference)
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{
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std::stringstream ss;
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if (check_name.size())
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ss << "Check name: " << check_name << ". ";
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StackTrace stacktrace;
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ss << "Result ";
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if (check_name.size())
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ss << "for \"" << check_name << "\" ";
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ss << "differs from reference" <<
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". Result: " << result << ", reference: " << reference << "\n. Stacktrace: " << stacktrace.toString();
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throw std::logic_error(ss.str());
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}
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}
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};
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template <class Result, class Reference, class Enable = void, class ... Args>
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void compare(const Result & result, const Reference & reference, Args && ... args)
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{
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Comparator<Result, Reference> comp;
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comp.check(result, reference, std::forward<Args>(args)...);
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}
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template <class ContainerA, class ContainerB>
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void compareContainers(const ContainerA & result, const ContainerB & reference)
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{
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if (result != reference)
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{
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std::stringstream ss;
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ss << "Result differs from reference. Result: {";
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for (auto a : result)
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ss << " " << a;
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ss << " }, reference {";
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for (auto b : reference)
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ss << " " << b;
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ss << " }";
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StackTrace stacktrace;
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ss << "\n. Stacktrace: " << stacktrace.toString();
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throw std::logic_error(ss.str());
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}
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}
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template <class Result, class Reference>
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struct Comparator<Result, Reference, typename std::enable_if<
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std::is_base_of<IDbObject, Result>::value &&
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std::is_base_of<IDbObject, Reference>::value>::type>
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{
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void check(const Result & result, const Reference & reference, const std::string field_name_regexp_str = ".*")
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{
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std::string res_s;
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{
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DB::WriteBufferFromString res_b(res_s);
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result.writeTSKV(res_b, "", "", "");
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}
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std::string ref_s;
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{
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DB::WriteBufferFromString ref_b(ref_s);
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reference.writeTSKV(ref_b, "", "", "");
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}
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size_t ref_pos = 0;
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size_t res_pos = 0;
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while (ref_pos != std::string::npos && res_pos != std::string::npos)
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{
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size_t new_ref_pos = ref_s.find('\t', ref_pos);
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size_t new_res_pos = res_s.find('\t', res_pos);
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auto ref_field = ref_s.substr(ref_pos,
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new_ref_pos != std::string::npos ? new_ref_pos - ref_pos : new_ref_pos);
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if (std::regex_match(ref_field, std::regex(field_name_regexp_str + "=.*")))
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{
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auto res_field = res_s.substr(res_pos, new_res_pos != std::string::npos ? new_res_pos - res_pos : new_res_pos);
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compare(res_field, ref_field);
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}
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res_pos = new_res_pos != res_s.size() && new_res_pos != std::string::npos ?
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new_res_pos + 1 : std::string::npos;
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ref_pos = new_ref_pos != ref_s.size() && new_ref_pos != std::string::npos ?
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new_ref_pos + 1 : std::string::npos;
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}
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}
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};
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inline void initLogger()
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{
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Poco::AutoPtr<Poco::ConsoleChannel> channel = new Poco::ConsoleChannel(std::cerr);
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Poco::Logger::root().setChannel(channel);
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Poco::Logger::root().setLevel("trace");
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}
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};
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