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https://github.com/samber/slog-mock
🚨 slog: mock handler
https://github.com/samber/slog-mock
attribute error go golang handler log log-level logger middleware mock slog structured-logging testing
Last synced: 2 months ago
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🚨 slog: mock handler
- Host: GitHub
- URL: https://github.com/samber/slog-mock
- Owner: samber
- License: mit
- Created: 2024-09-09T16:50:26.000Z (4 months ago)
- Default Branch: main
- Last Pushed: 2024-11-09T18:08:30.000Z (2 months ago)
- Last Synced: 2024-11-09T19:17:55.976Z (2 months ago)
- Topics: attribute, error, go, golang, handler, log, log-level, logger, middleware, mock, slog, structured-logging, testing
- Language: Go
- Homepage: https://pkg.go.dev/github.com/samber/slog-mock
- Size: 27.3 KB
- Stars: 4
- Watchers: 1
- Forks: 0
- Open Issues: 5
-
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
README
# slog: Mock handler
[](https://github.com/samber/slog-mock/releases)
[](https://pkg.go.dev/github.com/samber/slog-mock)
[](https://goreportcard.com/report/github.com/samber/slog-mock)
[](https://codecov.io/gh/samber/slog-mock)
[](https://github.com/samber/slog-mock/graphs/contributors)
[](./LICENSE)
A mock Handler for [slog](https://pkg.go.dev/log/slog) Go library. Used for testing purpose.
Sponsored by:
Cloud-native search engine for observability - An OSS alternative to Splunk, Elasticsearch, Loki, and Tempo.
**See also:**
- [slog-multi](https://github.com/samber/slog-multi): `slog.Handler` chaining, fanout, routing, failover, load balancing...
- [slog-formatter](https://github.com/samber/slog-formatter): `slog` attribute formatting
- [slog-sampling](https://github.com/samber/slog-sampling): `slog` sampling policy
- [slog-mock](https://github.com/samber/slog-mock): `slog.Handler` for test purposes
**HTTP middlewares:**
- [slog-gin](https://github.com/samber/slog-gin): Gin middleware for `slog` logger
- [slog-echo](https://github.com/samber/slog-echo): Echo middleware for `slog` logger
- [slog-fiber](https://github.com/samber/slog-fiber): Fiber middleware for `slog` logger
- [slog-chi](https://github.com/samber/slog-chi): Chi middleware for `slog` logger
- [slog-http](https://github.com/samber/slog-http): `net/http` middleware for `slog` logger
**Loggers:**
- [slog-zap](https://github.com/samber/slog-zap): A `slog` handler for `Zap`
- [slog-zerolog](https://github.com/samber/slog-zerolog): A `slog` handler for `Zerolog`
- [slog-logrus](https://github.com/samber/slog-logrus): A `slog` handler for `Logrus`
**Log sinks:**
- [slog-datadog](https://github.com/samber/slog-datadog): A `slog` handler for `Datadog`
- [slog-betterstack](https://github.com/samber/slog-betterstack): A `slog` handler for `Betterstack`
- [slog-rollbar](https://github.com/samber/slog-rollbar): A `slog` handler for `Rollbar`
- [slog-loki](https://github.com/samber/slog-loki): A `slog` handler for `Loki`
- [slog-sentry](https://github.com/samber/slog-sentry): A `slog` handler for `Sentry`
- [slog-syslog](https://github.com/samber/slog-syslog): A `slog` handler for `Syslog`
- [slog-logstash](https://github.com/samber/slog-logstash): A `slog` handler for `Logstash`
- [slog-fluentd](https://github.com/samber/slog-fluentd): A `slog` handler for `Fluentd`
- [slog-graylog](https://github.com/samber/slog-graylog): A `slog` handler for `Graylog`
- [slog-quickwit](https://github.com/samber/slog-quickwit): A `slog` handler for `Quickwit`
- [slog-slack](https://github.com/samber/slog-slack): A `slog` handler for `Slack`
- [slog-telegram](https://github.com/samber/slog-telegram): A `slog` handler for `Telegram`
- [slog-mattermost](https://github.com/samber/slog-mattermost): A `slog` handler for `Mattermost`
- [slog-microsoft-teams](https://github.com/samber/slog-microsoft-teams): A `slog` handler for `Microsoft Teams`
- [slog-webhook](https://github.com/samber/slog-webhook): A `slog` handler for `Webhook`
- [slog-kafka](https://github.com/samber/slog-kafka): A `slog` handler for `Kafka`
- [slog-nats](https://github.com/samber/slog-nats): A `slog` handler for `NATS`
- [slog-parquet](https://github.com/samber/slog-parquet): A `slog` handler for `Parquet` + `Object Storage`
- [slog-channel](https://github.com/samber/slog-channel): A `slog` handler for Go channels
## 🚀 Install
```sh
go get github.com/samber/slog-mock
```
**Compatibility**: go >= 1.21
No breaking changes will be made to exported APIs before v1.0.0.
## 💡 Usage
GoDoc: [https://pkg.go.dev/github.com/samber/slog-mock](https://pkg.go.dev/github.com/samber/slog-mock)
### Handler options
```go
type Option struct {
// optional
Enabled func(ctx context.Context, level slog.Level) bool
// optional
Handle func(ctx context.Context, record slog.Record) error
}
```
### Example
```go
import (
"fmt"
"net/http"
"time"
slogmock "github.com/samber/slog-mock"
"log/slog"
)
func main() {
logger := slog.New(
slogmock.Option{
Handle: func(ctx context.Context, record slog.Record) error {
// simulate slowdown then error from log sink
time.Sleep(100*time.Millisecond)
panic("could not connect to datadog")
},
}.NewMockHandler(),
)
logger = logger.With("release", "v1.0.0")
logger.
With(
slog.Group("user",
slog.String("id", "user-123"),
slog.Time("created_at", time.Now()),
),
).
With("error", fmt.Errorf("an error")).
Error("a message", slog.Int("count", 1))
}
```
## 🤝 Contributing
- Ping me on Twitter [@samuelberthe](https://twitter.com/samuelberthe) (DMs, mentions, whatever :))
- Fork the [project](https://github.com/samber/slog-mock)
- Fix [open issues](https://github.com/samber/slog-mock/issues) or request new features
Don't hesitate ;)
```bash
# Install some dev dependencies
make tools
# Run tests
make test
# or
make watch-test
```
## 👤 Contributors
## 💫 Show your support
Give a ⭐️ if this project helped you!
[](https://github.com/sponsors/samber)
## 📝 License
Copyright © 2023 [Samuel Berthe](https://github.com/samber).
This project is [MIT](./LICENSE) licensed.