2026-07-18 23:41:00 +04:00
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#include <cassert>
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#include <filesystem>
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#include <fstream>
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#include <string>
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#include "logger.hpp"
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#include "scoped_file.hpp"
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2026-07-20 23:01:50 +04:00
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namespace logger::tests {
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2026-07-18 23:41:00 +04:00
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2026-07-19 16:48:54 +04:00
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using namespace logger;
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2026-07-18 23:41:00 +04:00
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void testLoggerCreation() {
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2026-07-19 16:48:54 +04:00
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Logger logger("test.log", LogLevel::info());
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2026-07-18 23:41:00 +04:00
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assert(logger.getFileName() == "test.log");
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2026-07-19 16:48:54 +04:00
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assert(logger.getLogLevel() == LogLevel::info());
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}
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void testWithLogLevel() {
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Logger logger("test.log", LogLevel::info());
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2026-07-18 23:41:00 +04:00
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2026-07-19 16:48:54 +04:00
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auto debugLogger = logger.withLogLevel(LogLevel::debug());
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2026-07-18 23:41:00 +04:00
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2026-07-19 16:48:54 +04:00
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assert(logger.getLogLevel() == LogLevel::info());
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assert(debugLogger.getLogLevel() == LogLevel::debug());
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2026-07-18 23:41:00 +04:00
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assert(debugLogger.getFileName() == "test.log");
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}
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void testWithFileName() {
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Logger logger("old.log", LogLevel::info());
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auto newLogger = logger.withFileName("new.log");
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assert(logger.getFileName() == "old.log");
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assert(newLogger.getFileName() == "new.log");
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2026-07-19 16:48:54 +04:00
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assert(newLogger.getLogLevel() == LogLevel::info());
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}
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void testWriteLogSuccess() {
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2026-07-20 23:01:50 +04:00
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helpers::ScopedFile file("logger_test.log");
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file.throwIfExists();
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2026-07-19 16:48:54 +04:00
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Logger logger(file.getFileName(), LogLevel::info());
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2026-07-18 23:41:00 +04:00
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2026-07-19 16:48:54 +04:00
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auto result = logger.writeMessage(LogLevel::info(), "Application started");
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assert(result.isSuccess());
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assert(result.getValue());
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std::ifstream input(file.getFileName());
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assert(input.is_open());
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std::string content;
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std::getline(input, content);
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assert(content.find("Application started") != std::string::npos);
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}
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void testWriteLogFailure() {
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helpers::ScopedFile file("logger_test_directory");
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file.throwIfExists();
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std::filesystem::create_directory(file.getFileName());
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Logger logger(file.getFileName(), LogLevel::info());
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2026-07-19 16:48:54 +04:00
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auto result = logger.writeMessage(LogLevel::info(), "message");
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assert(result.isFailure());
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assert(!result.getError().empty());
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std::filesystem::remove(file.getFileName());
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}
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void testMultipleWrites() {
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helpers::ScopedFile file("multiple.log");
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file.throwIfExists();
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2026-07-19 16:48:54 +04:00
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Logger logger(file.getFileName(), LogLevel::info());
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2026-07-19 22:58:05 +04:00
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// NOTE: Ресурс файла был автоматически освобождён после первого вызова,
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// поэтому следующий вызов может повторно открыть файл для записи
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auto first = logger.writeMessage(LogLevel::info(), "first message");
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auto second = logger.writeMessage(LogLevel::error(), "second message");
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assert(first.isSuccess());
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assert(second.isSuccess());
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std::ifstream input(file.getFileName());
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assert(input.is_open());
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std::string firstLine;
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std::string secondLine;
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std::getline(input, firstLine);
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std::getline(input, secondLine);
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assert(firstLine.find("first message") != std::string::npos);
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assert(secondLine.find("second message") != std::string::npos);
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}
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2026-07-21 13:44:54 +04:00
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void testIgnoreLowerLogLevel() {
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helpers::ScopedFile file("filter.log");
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file.throwIfExists();
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Logger logger(file.getFileName(), LogLevel::info());
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// INFO соответствует минимальному уровню логирования,
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// поэтому сообщение должно быть записано в журнал
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auto infoResult = logger.writeMessage(LogLevel::info(), "info message");
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assert(infoResult.isSuccess());
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// DEBUG имеет более низкий приоритет, чем установленный уровень INFO.
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// Сообщение не должно попасть в журнал
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auto debugResult = logger.writeMessage(LogLevel::debug(), "debug message");
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assert(debugResult.isSuccess());
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std::ifstream input(file.getFileName());
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assert(input.is_open());
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std::string firstLine;
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std::string secondLine;
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std::getline(input, firstLine);
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assert(firstLine.find("info message") != std::string::npos);
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// Проверяем, что после INFO-сообщения отсутствует DEBUG-сообщение.
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bool hasSecondLine = static_cast<bool>(std::getline(input, secondLine));
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assert(!hasSecondLine);
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}
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void testWriteMessageWithDefaultLevel() {
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helpers::ScopedFile file("default_level.log");
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file.throwIfExists();
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Logger logger(file.getFileName(), LogLevel::error());
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auto result = logger.writeMessage("critical message");
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assert(result.isSuccess());
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std::ifstream input(file.getFileName());
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assert(input.is_open());
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std::string content;
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std::getline(input, content);
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assert(content.find("critical message") != std::string::npos);
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}
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2026-07-18 23:41:00 +04:00
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void runTests() {
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testLoggerCreation();
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testWithLogLevel();
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testWithFileName();
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testWriteLogSuccess();
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testWriteLogFailure();
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testMultipleWrites();
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2026-07-21 13:44:54 +04:00
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testIgnoreLowerLogLevel();
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testWriteMessageWithDefaultLevel();
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}
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2026-07-20 23:01:50 +04:00
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} // namespace logger::tests
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int main() {
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logger::tests::runTests();
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return 0;
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}
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