// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package slogtest contains support functions for testing slog.
package slogtest

import "log/slog"

// RemoveTime removes the top-level time attribute.
// It is intended to be used as a ReplaceAttr function,
// to make example output deterministic.

// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package slogtest implements support for testing implementations of log/slog.Handler.
package slogtest

import (
	"context"
	"errors"
	"fmt"
	"log/slog"
	"reflect"
	"runtime"
	"testing"
	"time"
)

type testCase struct {
	// Subtest name.
	name string

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package slogtest_test

import (
	"bytes"
	"encoding/json"
	"log"
	"log/slog"
	"testing/slogtest"
)

// This example demonstrates one technique for testing a handler with this
// package. The handler is given a [bytes.Buffer] to write to, and each line
// of the resulting output is parsed.

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package slog_test

import (
	"log/slog"
	"log/slog/internal/slogtest"
	"os"
)

// A token is a secret value that grants permissions.
type Token string

// LogValue implements slog.LogValuer.
// It avoids revealing the token.
func (Token) LogValue() slog.Value {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package slogtest_test

import (
	"bytes"
	"encoding/json"
	"log/slog"
	"testing"
	"testing/slogtest"
)

func TestRun(t *testing.T) {
	var buf bytes.Buffer

	newHandler := func(*testing.T) slog.Handler {
		buf.Reset()
		return slog.NewJSONHandler(&buf, nil)
	}

// license that can be found in the LICENSE file.

package slog_test

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"log/slog"
	"strings"
	"testing"
	"testing/slogtest"
)

func TestSlogtest(t *testing.T) {
	for _, test := range []struct {
		name  string
		new   func(io.Writer) slog.Handler
		parse func([]byte) (map[string]any, error)
	}{

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package slog_test

import (
	"log"
	"log/slog"
	"log/slog/internal/slogtest"
	"os"
)

// This example shows how to use slog.SetLogLoggerLevel to change the minimal level
// of the internal default handler for slog package before calling slog.SetDefault.
func ExampleSetLogLoggerLevel_log() {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package slog_test

import (
	"context"
	"log/slog"
	"log/slog/internal/slogtest"
	"os"
)

// A LevelHandler wraps a Handler with an Enabled method
// that returns false for levels below a minimum.
type LevelHandler struct {
	level   slog.Leveler
	handler slog.Handler
}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file contains tests for the slog checker.

package slog

import "log/slog"

func SlogTest() {
	slog.Info("msg", "a") // ERROR "call to slog.Info missing a final value"

	RUNTIME
	< log/slog/internal, log/slog/internal/buffer;

	FMT,
	encoding, encoding/json,
	log, log/internal,
	log/slog/internal, log/slog/internal/buffer,
	slices
	< log/slog
	< log/slog/internal/slogtest, log/slog/internal/benchmarks;

	NET, log
	< net/mail;

	NONE < crypto/internal/boring/sig, crypto/internal/boring/syso;
	sync/atomic < crypto/internal/boring/bcache, crypto/internal/boring/fipstls;