forgejo/modules/log/event_format_test.go
Ivan Shapovalov 012a1e0497 log: journald integration (#2869)
Provide a bit more journald integration. Specifically:

- support emission of printk-style log level prefixes, documented in [`sd-daemon`(3)](https://man7.org/linux/man-pages/man3/sd-daemon.3.html#DESCRIPTION), that allow journald to automatically annotate stderr log lines with their level;
- add a new "journaldflags" item that is supposed to be used in place of "stdflags" when under journald to reduce log clutter (i. e. strip date/time info to avoid duplication, and use log level prefixes instead of textual log levels);
- detect whether stderr and/or stdout are attached to journald by parsing `$JOURNAL_STREAM` environment variable and adjust console logger defaults accordingly.

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## Draft release notes
<!--URL:https://codeberg.org/forgejo/forgejo-->
- Features
  - [PR](https://codeberg.org/forgejo/forgejo/pulls/2869): <!--number 2869 --><!--line 0 --><!--description bG9nOiBqb3VybmFsZCBpbnRlZ3JhdGlvbg==-->log: journald integration<!--description-->
<!--end release-notes-assistant-->

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/2869
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Co-authored-by: Ivan Shapovalov <intelfx@intelfx.name>
Co-committed-by: Ivan Shapovalov <intelfx@intelfx.name>
2024-08-09 07:49:13 +00:00

114 lines
3.6 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package log
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestItoa(t *testing.T) {
b := itoa(nil, 0, 0)
assert.Equal(t, "0", string(b))
b = itoa(nil, 0, 1)
assert.Equal(t, "0", string(b))
b = itoa(nil, 0, 2)
assert.Equal(t, "00", string(b))
}
func TestEventFormatTextMessage(t *testing.T) {
res := EventFormatTextMessage(&WriterMode{Prefix: "[PREFIX] ", Colorize: false, Flags: Flags{defined: true, flags: 0xffffffff}},
&Event{
Time: time.Date(2020, 1, 2, 3, 4, 5, 6, time.UTC),
Caller: "caller",
Filename: "filename",
Line: 123,
GoroutinePid: "pid",
Level: ERROR,
Stacktrace: "stacktrace",
},
"msg format: %v %v", "arg0", NewColoredValue("arg1", FgBlue),
)
assert.Equal(t, `<3>[PREFIX] 2020/01/02 03:04:05.000000 filename:123:caller [E] [pid] msg format: arg0 arg1
stacktrace
`, string(res))
res = EventFormatTextMessage(&WriterMode{Prefix: "[PREFIX] ", Colorize: true, Flags: Flags{defined: true, flags: 0xffffffff}},
&Event{
Time: time.Date(2020, 1, 2, 3, 4, 5, 6, time.UTC),
Caller: "caller",
Filename: "filename",
Line: 123,
GoroutinePid: "pid",
Level: ERROR,
Stacktrace: "stacktrace",
},
"msg format: %v %v", "arg0", NewColoredValue("arg1", FgBlue),
)
assert.Equal(t, "<3>[PREFIX] \x1b[36m2020/01/02 03:04:05.000000 \x1b[0m\x1b[32mfilename:123:\x1b[32mcaller\x1b[0m \x1b[1;31m[E]\x1b[0m [\x1b[93mpid\x1b[0m] msg format: arg0 \x1b[34marg1\x1b[0m\n\tstacktrace\n\n", string(res))
}
func TestEventFormatTextMessageStd(t *testing.T) {
res := EventFormatTextMessage(&WriterMode{Prefix: "[PREFIX] ", Colorize: false, Flags: Flags{defined: true, flags: LstdFlags}},
&Event{
Time: time.Date(2020, 1, 2, 3, 4, 5, 6, time.UTC),
Caller: "caller",
Filename: "filename",
Line: 123,
GoroutinePid: "pid",
Level: ERROR,
Stacktrace: "stacktrace",
},
"msg format: %v %v", "arg0", NewColoredValue("arg1", FgBlue),
)
assert.Equal(t, `[PREFIX] 2020/01/02 03:04:05 filename:123:caller [E] msg format: arg0 arg1
stacktrace
`, string(res))
res = EventFormatTextMessage(&WriterMode{Prefix: "[PREFIX] ", Colorize: true, Flags: Flags{defined: true, flags: LstdFlags}},
&Event{
Time: time.Date(2020, 1, 2, 3, 4, 5, 6, time.UTC),
Caller: "caller",
Filename: "filename",
Line: 123,
GoroutinePid: "pid",
Level: ERROR,
Stacktrace: "stacktrace",
},
"msg format: %v %v", "arg0", NewColoredValue("arg1", FgBlue),
)
assert.Equal(t, "[PREFIX] \x1b[36m2020/01/02 03:04:05 \x1b[0m\x1b[32mfilename:123:\x1b[32mcaller\x1b[0m \x1b[1;31m[E]\x1b[0m msg format: arg0 \x1b[34marg1\x1b[0m\n\tstacktrace\n\n", string(res))
}
func TestEventFormatTextMessageJournal(t *testing.T) {
// TODO: it makes no sense to emit \n-containing messages to journal as they will get mangled
// the proper way here is to attach the backtrace as structured metadata, but we can't do that via stderr
res := EventFormatTextMessage(&WriterMode{Prefix: "[PREFIX] ", Colorize: false, Flags: Flags{defined: true, flags: LjournaldFlags}},
&Event{
Time: time.Date(2020, 1, 2, 3, 4, 5, 6, time.UTC),
Caller: "caller",
Filename: "filename",
Line: 123,
GoroutinePid: "pid",
Level: ERROR,
Stacktrace: "stacktrace",
},
"msg format: %v %v", "arg0", NewColoredValue("arg1", FgBlue),
)
assert.Equal(t, `<3>[PREFIX] msg format: arg0 arg1
stacktrace
`, string(res))
}