open-consul/logging/syslog_test.go

81 lines
2.7 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
//go:build linux || darwin || dragonfly || freebsd || netbsd || openbsd || solaris
// +build linux darwin dragonfly freebsd netbsd openbsd solaris
package logging
import (
"testing"
gsyslog "github.com/hashicorp/go-syslog"
"github.com/stretchr/testify/require"
)
// testSyslogFunc is a wrapper for injecting WriteLevel functionality into a Syslogger
// implementation; it gives us a way to inject test assertions into a SyslogWrapper.
type testSyslogWriteLevelFunc func(p gsyslog.Priority, m []byte) error
// Write is a no-op
func (f testSyslogWriteLevelFunc) Write(p []byte) (int, error) {
return 0, nil
}
// WriteLevel is a wrapper for the identity to be called
func (f testSyslogWriteLevelFunc) WriteLevel(p gsyslog.Priority, m []byte) error {
return f(p, m)
}
// Close is a no-op
func (f testSyslogWriteLevelFunc) Close() error {
return nil
}
func TestSyslog_Wrapper(t *testing.T) {
expectedMsg := []byte("test message")
// generator for a writer that expects to be written with expectedPriority
writerForPriority := func(expectedPriority gsyslog.Priority) testSyslogWriteLevelFunc {
return func(p gsyslog.Priority, m []byte) error {
require.Equal(t, expectedPriority, p)
require.Equal(t, expectedMsg, m)
return nil
}
}
// [TRACE] is mapped to the LOG_DEBUG priority
debugw := &SyslogWrapper{l: writerForPriority(gsyslog.LOG_DEBUG)}
_, err := debugw.Write([]byte("[TRACE] " + string(expectedMsg)))
require.NoError(t, err)
// [DEBUG] is mapped to the LOG_INFO priority
infow := &SyslogWrapper{l: writerForPriority(gsyslog.LOG_INFO)}
_, err = infow.Write([]byte("[DEBUG] " + string(expectedMsg)))
require.NoError(t, err)
// [INFO] is mapped to the LOG_NOTICE priority
noticew := &SyslogWrapper{l: writerForPriority(gsyslog.LOG_NOTICE)}
_, err = noticew.Write([]byte("[INFO] " + string(expectedMsg)))
require.NoError(t, err)
// [WARN] is mapped to the LOG_WARNING priority
warnw := &SyslogWrapper{l: writerForPriority(gsyslog.LOG_WARNING)}
_, err = warnw.Write([]byte("[WARN] " + string(expectedMsg)))
require.NoError(t, err)
// [ERROR] is mapped to the LOG_ERR priority
errorw := &SyslogWrapper{l: writerForPriority(gsyslog.LOG_ERR)}
_, err = errorw.Write([]byte("[ERROR] " + string(expectedMsg)))
require.NoError(t, err)
// [CRIT] is mapped to the LOG_CRIT priority
critw := &SyslogWrapper{l: writerForPriority(gsyslog.LOG_CRIT)}
_, err = critw.Write([]byte("[CRIT] " + string(expectedMsg)))
require.NoError(t, err)
// unknown levels are written with LOG_NOTICE priority
defaultw := &SyslogWrapper{l: writerForPriority(gsyslog.LOG_NOTICE)}
_, err = defaultw.Write([]byte("[INVALID] " + string(expectedMsg)))
require.NoError(t, err)
}