chore: remove refs to deprecated io/ioutil

examples/3-messaging/service/service.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 	"net/http"
 
@@ -39,7 +39,7 @@ func send(emitter *goka.Emitter, stream goka.Stream) func(w http.ResponseWriter,
 	return func(w http.ResponseWriter, r *http.Request) {
 		var m messaging.Message
 
-		b, err := ioutil.ReadAll(r.Body)
+		b, err := io.ReadAll(r.Body)
 		if err != nil {
 			fmt.Fprintf(w, "error: %v", err)
 			return

examples/7-redis/main.go

@@ -4,9 +4,9 @@ import (
 	"context"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"math/rand"
+	"os"
 	"strconv"
 	"time"
 
@@ -61,7 +61,7 @@ func main() {
 }
 
 func readConfig(filename string) (*Config, error) {
-	b, err := ioutil.ReadFile(filename)
+	b, err := os.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}

iterator_test.go

@@ -1,7 +1,7 @@
 package goka
 
 import (
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/lovoo/goka/codec"
@@ -11,7 +11,7 @@ import (
 )
 
 func TestIterator(t *testing.T) {
-	tmpdir, err := ioutil.TempDir("", "goka_storage_TestIterator")
+	tmpdir, err := os.MkdirTemp("", "goka_storage_TestIterator")
 	require.NoError(t, err)
 
 	db, err := leveldb.OpenFile(tmpdir, nil)

storage/iterator_test.go

@@ -1,14 +1,14 @@
 package storage
 
 import (
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/syndtr/goleveldb/leveldb"
 )
 
 func TestIterator(t *testing.T) {
-	tmpdir, err := ioutil.TempDir("", "goka_storage_TestIterator")
+	tmpdir, err := os.MkdirTemp("", "goka_storage_TestIterator")
 	assertNil(t, err)
 
 	db, err := leveldb.OpenFile(tmpdir, nil)

storage/leveldb_test.go

@@ -2,7 +2,7 @@ package storage
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -22,7 +22,7 @@ func init() {
 }
 
 func BenchmarkStateStorage_unbatched(b *testing.B) {
-	tmpdir, err := ioutil.TempDir("", "benchmark_statestorage_unbatched")
+	tmpdir, err := os.MkdirTemp("", "benchmark_statestorage_unbatched")
 	require.NoError(b, err)
 
 	db, err := leveldb.OpenFile(tmpdir, nil)
@@ -39,7 +39,7 @@ func BenchmarkStateStorage_unbatched(b *testing.B) {
 }
 
 func BenchmarkStateStorage_transactioned(b *testing.B) {
-	tmpdir, err := ioutil.TempDir("", "benchmark_statestorage_transactioned")
+	tmpdir, err := os.MkdirTemp("", "benchmark_statestorage_transactioned")
 	require.NoError(b, err)
 
 	db, err := leveldb.OpenFile(tmpdir, nil)

storage/merge_iterator_test.go

@@ -3,7 +3,6 @@ package storage
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"testing"
 
@@ -18,7 +17,7 @@ type TeardownFunc func(*testing.T)
 func TempDir(t *testing.T) (string, TeardownFunc) {
 	t.Helper()
 
-	path, err := ioutil.TempDir(os.TempDir(), "goka_test_")
+	path, err := os.MkdirTemp(os.TempDir(), "goka_test_")
 	if err != nil {
 		t.Fatalf("error creating temporary directory: %v", err)
 	}