From f1a67f5124323f808a6c8286e811ec44d6bfec27 Mon Sep 17 00:00:00 2001
From: Bruno Carlin <dev@mail.bcarlin.net>
Date: Wed, 7 May 2025 17:07:08 +0200
Subject: [PATCH] feat: The default formatter now prints timestamps with
 microseconds

---
 CHANGELOG.md    |  2 ++
 logging.go      |  2 +-
 logging_test.go | 24 +++++++++++++++++++++++-
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 828bfcd..cf8c21b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+- The default formatter now prints timestamps with microseconds
+
 ## v0.4.1 (2022-06-03)
 
 - Ensure all backends implement the interface `BACKEND`.
diff --git a/logging.go b/logging.go
index f89bf0f..890ea9a 100644
--- a/logging.go
+++ b/logging.go
@@ -103,7 +103,7 @@ func GetLogger(name string) *Logger {
 
 func defaultFormatter(r *Record) string {
 	return fmt.Sprintf("%s [%-8s] %s: %s\n",
-		r.Timestamp.Format("2006/01/02 15:04:05"), r.Level.Name(), r.Logger,
+		r.Timestamp.Format("2006/01/02 15:04:05.999999"), r.Level.Name(), r.Logger,
 		strings.TrimSpace(r.Message))
 }
 
diff --git a/logging_test.go b/logging_test.go
index ce9c6d2..99cf3e4 100644
--- a/logging_test.go
+++ b/logging_test.go
@@ -1,6 +1,12 @@
 package logging
 
-import "testing"
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
 
 func Test_LevelByName(t *testing.T) {
 	t.Parallel()
@@ -16,3 +22,19 @@ func Test_LevelByName(t *testing.T) {
 		}
 	}
 }
+
+func Test_defaultFormatter(t *testing.T) {
+	t.Parallel()
+
+	r := &Record{
+		Timestamp: time.Date(2000, 0o1, 0o2, 0o3, 0o4, 0o5, 123456789, time.Local),
+		Level:     Info,
+		Logger:    "my logger",
+		Message:   "my log line",
+	}
+
+	got := defaultFormatter(r)
+	want := fmt.Sprintf("2000/01/02 03:04:05.123456 [INFO    ] my logger: my log line\n")
+
+	assert.Equal(t, want, got)
+}