fix ut

src/runtime/tracer.cpp

@@ -408,7 +408,7 @@ void tracer::install(service_spec &spec)
             "tracer.find",
             "Find related logs",
             "[forward|f|backward|b] [rpc|r|task|t] [trace_id|task_id(e.g., a023003920302390)] "
-            "<log_file_name(e.g., log.xx.txt)>",
+            "<log_file_name(e.g., log.yyyyMMdd_hhmmss_SSS)>",
             tracer_log_flow);
     });
 }

src/utils/simple_logger.cpp

@@ -26,13 +26,14 @@
 
 #include "utils/simple_logger.h"
 
-#include <cstdint>
 #include <errno.h>
 // IWYU pragma: no_include <ext/alloc_traits.h>
 #include <fmt/core.h>
 #include <fmt/printf.h>
 #include <sys/stat.h>
+#include <unistd.h>
 #include <algorithm>
+#include <cstdint>
 #include <ctime>
 #include <functional>
 #include <memory>

src/utils/test/logger.cpp

@@ -81,7 +81,7 @@ class simple_logger_test : public logger_test
         ASSERT_TRUE(utils::filesystem::get_subfiles(test_dir, sub_list, false));
 
         file_names.clear();
-        std::regex pattern(R"(log\.log\.[0-9]{8}_[0-9]{6}_[0-9]{3})");
+        std::regex pattern(R"(log\.[0-9]{8}_[0-9]{6}_[0-9]{3})");
         for (const auto &path : sub_list) {
             std::string name(utils::filesystem::get_file_name(path));
             if (std::regex_match(name, pattern)) {