107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
#include "doctest/doctest.h"
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#include "misc/TestUtilities.h"
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#include "quill/Backend.h"
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#include "quill/Frontend.h"
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#include "quill/LogMacros.h"
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#include "quill/sinks/FileSink.h"
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#include <cstdio>
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#include <string>
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#include <vector>
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using namespace quill;
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/**
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* A test class example that is using the logger
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*/
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class LoggingTestClass
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{
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public:
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LoggingTestClass(std::string const& filename, std::string const& logger_name)
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{
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// create a new logger in the ctor
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auto file_sink = Frontend::create_or_get_sink<FileSink>(
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filename,
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[]()
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{
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FileSinkConfig cfg;
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cfg.set_open_mode('w');
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cfg.set_do_fsync(true);
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return cfg;
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}(),
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FileEventNotifier{});
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quill::Logger* logger = Frontend::create_or_get_logger(logger_name, std::move(file_sink));
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_logger = logger;
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}
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~LoggingTestClass()
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{
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_logger->flush_log();
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Frontend::remove_logger(_logger);
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}
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/**
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* Use logger in const function
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*/
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void use_logger_const() const noexcept { LOG_INFO(_logger, "Test message for test class const"); }
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/**
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* Use logger in normal function
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*/
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void use_logger() const { LOG_INFO(_logger, "Test message for test class non const"); }
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private:
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quill::Logger* _logger{nullptr};
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};
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/***/
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TEST_CASE("logger_add_remove_get")
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{
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// Verifies logging behavior adding, removing and getting loggers
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// and logging from const member functions while dynamically creating and
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// removing loggers and reusing the same file after removal.
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static constexpr size_t iterations = 100;
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static constexpr char const* filename = "logger_add_remove_get.log";
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// Start the logging backend thread
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Backend::start();
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for (size_t i = 0; i < iterations; ++i)
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{
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std::string const logger_a_name = "logger_a" + std::to_string(i);
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std::string const logger_b_name = "logger_b" + std::to_string(i);
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{
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// log for class a
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LoggingTestClass logging_test_class_a{filename, logger_a_name};
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logging_test_class_a.use_logger_const();
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logging_test_class_a.use_logger();
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// log again for class b
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LoggingTestClass const logging_test_class_b{filename, logger_b_name};
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logging_test_class_b.use_logger_const();
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}
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// Test that get_all_loggers() works and also it should be empty after removing the loggers
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REQUIRE(Frontend::get_all_loggers().empty());
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REQUIRE(!Frontend::get_logger(logger_a_name));
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REQUIRE(!Frontend::get_logger(logger_b_name));
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// The only safe way to know that the loggers are really removed is currently this
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while (Frontend::get_number_of_loggers())
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{
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// wait for all the to be removed first by the backend thread first then repeat the test
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std::this_thread::sleep_for(std::chrono::milliseconds{1});
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}
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// Read file and check
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std::vector<std::string> const file_contents = quill::testing::file_contents(filename);
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REQUIRE_EQ(file_contents.size(), 3);
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testing::remove_file(filename);
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}
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Backend::stop();
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} |