102 lines
4.3 KiB
C++
102 lines
4.3 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/RotatingFileSink.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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TEST_CASE("rotating_sink_overwrite_oldest")
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{
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// This test has 2 loggers that they logged to different rotating file handlers
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static char const* base_filename_a = "rotating_sink_overwrite_oldest_a.log";
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static constexpr char const* base_filename_a_1 = "rotating_sink_overwrite_oldest_a.1.log";
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static constexpr char const* base_filename_a_2 = "rotating_sink_overwrite_oldest_a.2.log";
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static char const* base_filename_b = "rotating_sink_overwrite_oldest_b.log";
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static constexpr char const* base_filename_b_1 = "rotating_sink_overwrite_oldest_b.1.log";
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static constexpr size_t max_file_size = 900;
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// Start the logging backend thread
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Backend::start();
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// Create a rotating file handler
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std::shared_ptr<quill::Sink> rotating_file_sink_a =
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Frontend::create_or_get_sink<RotatingFileSink>(base_filename_a,
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[]()
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{
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RotatingFileSinkConfig rfh_cfg;
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rfh_cfg.set_rotation_max_file_size(max_file_size);
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rfh_cfg.set_max_backup_files(2);
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rfh_cfg.set_overwrite_rolled_files(true);
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rfh_cfg.set_open_mode('w');
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return rfh_cfg;
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}());
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// Get the same instance back - we search it again (for testing only)
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quill::Logger* logger_a = Frontend::create_or_get_logger("logger_a", std::move(rotating_file_sink_a));
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// Another rotating logger to another file with max backup count 1 this time. Here we rotate only once
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std::shared_ptr<quill::Sink> rotating_file_sink_b =
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Frontend::create_or_get_sink<RotatingFileSink>(base_filename_b,
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[]()
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{
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RotatingFileSinkConfig rfh_cfg;
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rfh_cfg.set_rotation_max_file_size(max_file_size);
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rfh_cfg.set_max_backup_files(1);
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rfh_cfg.set_overwrite_rolled_files(true);
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rfh_cfg.set_open_mode('w');
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return rfh_cfg;
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}());
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quill::Logger* logger_b = Frontend::create_or_get_logger("logger_b", std::move(rotating_file_sink_b));
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// log a few messages so we rotate files
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for (uint32_t i = 0; i < 20; ++i)
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{
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LOG_INFO(logger_a, "Hello rotating file log num {}", i);
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LOG_INFO(logger_b, "Hello rotating file log num {}", i);
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}
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// flush all log and remove all loggers
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for (Logger* logger : Frontend::get_all_loggers())
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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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// Wait until the backend thread stops for test stability
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Backend::stop();
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// Read file and check
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std::vector<std::string> const file_contents = quill::testing::file_contents(base_filename_a);
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REQUIRE_GE(file_contents.size(), 3);
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std::vector<std::string> const file_contents_1 = quill::testing::file_contents(base_filename_a_1);
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REQUIRE_GE(file_contents_1.size(), 7);
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std::vector<std::string> const file_contents_2 = quill::testing::file_contents(base_filename_a_2);
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REQUIRE_GE(file_contents_2.size(), 7);
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// File from 2nd logger
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std::vector<std::string> const file_contents_3 = quill::testing::file_contents(base_filename_b);
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REQUIRE_GE(file_contents_3.size(), 4);
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std::vector<std::string> const file_contents_4 = quill::testing::file_contents(base_filename_b_1);
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REQUIRE_GE(file_contents_4.size(), 7);
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// Remove filenames
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testing::remove_file(base_filename_a);
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testing::remove_file(base_filename_a_1);
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testing::remove_file(base_filename_a_2);
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testing::remove_file(base_filename_b);
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testing::remove_file(base_filename_b_1);
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} |