Remove dependency of deprecated ioutil package

utils/cache/file_caches_test.go

@@ -3,7 +3,6 @@ package cache
 import (
 	"context"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -22,7 +21,7 @@ func callNewFileCache(name, cacheSize, cacheFolder string, maxItems int, getRead
 
 var _ = Describe("File Caches", func() {
 	BeforeEach(func() {
-		conf.Server.DataFolder, _ = ioutil.TempDir("", "file_caches")
+		conf.Server.DataFolder, _ = os.MkdirTemp("", "file_caches")
 	})
 	AfterEach(func() {
 		os.RemoveAll(conf.Server.DataFolder)
@@ -61,13 +60,13 @@ var _ = Describe("File Caches", func() {
 			Expect(err).To(BeNil())
 			Expect(s.Cached).To(BeFalse())
 			Expect(s.Closer).To(BeNil())
-			Expect(ioutil.ReadAll(s)).To(Equal([]byte("test")))
+			Expect(io.ReadAll(s)).To(Equal([]byte("test")))
 
 			// Second call is a HIT
 			called = false
 			s, err = fc.Get(context.TODO(), &testArg{"test"})
 			Expect(err).To(BeNil())
-			Expect(ioutil.ReadAll(s)).To(Equal([]byte("test")))
+			Expect(io.ReadAll(s)).To(Equal([]byte("test")))
 			Expect(s.Cached).To(BeTrue())
 			Expect(s.Closer).ToNot(BeNil())
 			Expect(called).To(BeFalse())
@@ -83,13 +82,13 @@ var _ = Describe("File Caches", func() {
 			s, err := fc.Get(context.TODO(), &testArg{"test"})
 			Expect(err).To(BeNil())
 			Expect(s.Cached).To(BeFalse())
-			Expect(ioutil.ReadAll(s)).To(Equal([]byte("test")))
+			Expect(io.ReadAll(s)).To(Equal([]byte("test")))
 
 			// Second call is also a MISS
 			called = false
 			s, err = fc.Get(context.TODO(), &testArg{"test"})
 			Expect(err).To(BeNil())
-			Expect(ioutil.ReadAll(s)).To(Equal([]byte("test")))
+			Expect(io.ReadAll(s)).To(Equal([]byte("test")))
 			Expect(s.Cached).To(BeFalse())
 			Expect(called).To(BeTrue())
 		})

utils/cache/spread_fs_test.go

@@ -1,7 +1,6 @@
 package cache
 
 import (
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -16,7 +15,7 @@ var _ = Describe("Spread FS", func() {
 
 	BeforeEach(func() {
 		var err error
-		rootDir, _ = ioutil.TempDir("", "spread_fs")
+		rootDir, _ = os.MkdirTemp("", "spread_fs")
 		fs, err = NewSpreadFS(rootDir, 0755)
 		Expect(err).To(BeNil())
 	})
@@ -54,7 +53,7 @@ var _ = Describe("Spread FS", func() {
 			var actual []string
 			err := fs.Reload(func(key string, name string) {
 				Expect(key).To(Equal(name))
-				data, err := ioutil.ReadFile(name)
+				data, err := os.ReadFile(name)
 				Expect(err).To(BeNil())
 				actual = append(actual, string(data))
 			})