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forgejo/modules/log/event_writer_buffer_test.go
zokki 72620db8df feat: add a EXCLUSION to the logger (#8212)
This feature is intended to help reduce noisy logs generated by routine Kubernetes probes and Prometheus scraping. While logs are essential, these specific requests (e.g., to /metrics and /api/healthz) generally don't provide useful information and tend to clutter the output.

The goal is to introduce functionality that effectively acts as the inverse of the existing EXPRESSION mode—allowing logging to be excluded based on a condition, rather than included.

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/8212
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: zokki <zokki.softwareschmiede@gmail.com>
Co-committed-by: zokki <zokki.softwareschmiede@gmail.com>
2025-07-04 00:08:23 +02:00

79 lines
2 KiB
Go

// Copyright 2025 The Forgejo Authors.
// SPDX-License-Identifier: GPL-3.0-or-later
package log_test
import (
"testing"
"forgejo.org/modules/log"
"github.com/stretchr/testify/assert"
)
func TestBufferLogger(t *testing.T) {
prefix := "TestPrefix "
level := log.INFO
expected := "something"
bufferWriter := log.NewEventWriterBuffer("test-buffer", log.WriterMode{
Level: level,
Prefix: prefix,
Expression: expected,
})
logger := log.NewLoggerWithWriters(t.Context(), "test", bufferWriter)
logger.SendLogEvent(&log.Event{
Level: log.INFO,
MsgSimpleText: expected,
})
logger.Close()
assert.Contains(t, bufferWriter.Buffer.String(), expected)
}
func TestBufferLoggerWithExclusion(t *testing.T) {
prefix := "ExclusionPrefix "
level := log.INFO
message := "something"
bufferWriter := log.NewEventWriterBuffer("test-buffer", log.WriterMode{
Level: level,
Prefix: prefix,
Exclusion: message,
})
logger := log.NewLoggerWithWriters(t.Context(), "test", bufferWriter)
logger.SendLogEvent(&log.Event{
Level: log.INFO,
MsgSimpleText: message,
})
logger.Close()
assert.NotContains(t, bufferWriter.Buffer.String(), message)
}
func TestBufferLoggerWithExpressionAndExclusion(t *testing.T) {
prefix := "BothPrefix "
level := log.INFO
expression := ".*foo.*"
exclusion := ".*bar.*"
bufferWriter := log.NewEventWriterBuffer("test-buffer", log.WriterMode{
Level: level,
Prefix: prefix,
Expression: expression,
Exclusion: exclusion,
})
logger := log.NewLoggerWithWriters(t.Context(), "test", bufferWriter)
logger.SendLogEvent(&log.Event{Level: log.INFO, MsgSimpleText: "foo expression"})
logger.SendLogEvent(&log.Event{Level: log.INFO, MsgSimpleText: "bar exclusion"})
logger.SendLogEvent(&log.Event{Level: log.INFO, MsgSimpleText: "foo bar both"})
logger.SendLogEvent(&log.Event{Level: log.INFO, MsgSimpleText: "none"})
logger.Close()
assert.Contains(t, bufferWriter.Buffer.String(), "foo expression")
assert.NotContains(t, bufferWriter.Buffer.String(), "bar")
}