package log import ( "sync" "testing" ) func TestLoggerCore_Initialization(t *testing.T) { // Test default configuration initialization conf := Config{} logger := NewLogger(conf) if logger.config.Level != "info" { t.Errorf("Expected default level 'info', got %s", logger.config.Level) } if logger.config.Name == "" { t.Error("Expected default logger name, got empty") } } func TestLoggerCore_Concurrency(t *testing.T) { conf := Config{ Name: "concurrent-test", Level: "info", } logger := NewLogger(conf) var wg sync.WaitGroup numGoroutines := 50 for i := 0; i < numGoroutines; i++ { wg.Add(1) go func(id int) { defer wg.Done() logger.Info("concurrent message", "id", id) }(i) } wg.Wait() }