Remove use of deprecated io/ioutil package

.github/workflows/lint_and_test.yml

@@ -10,7 +10,7 @@ jobs:
     name: Lint and Test - ${{ matrix.go-version }}
     strategy:
       matrix:
-        go-version: [1.16.x, 1.17.x, 1.x]
+        go-version: [1.18.x, 1.19.x, 1.x]
         platform: [ubuntu-latest]
     runs-on: ${{ matrix.platform }}
     steps:

commits_test.go

@@ -19,7 +19,7 @@ package gitlab
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"reflect"
 	"testing"
@@ -108,7 +108,7 @@ func TestSetCommitStatus(t *testing.T) {
 
 	mux.HandleFunc("/api/v4/projects/1/statuses/b0b3a907f41409829b307a28b82fdbd552ee5a27", func(w http.ResponseWriter, r *http.Request) {
 		testMethod(t, r, http.MethodPost)
-		body, err := ioutil.ReadAll(r.Body)
+		body, err := io.ReadAll(r.Body)
 		require.NoError(t, err)
 
 		var content SetCommitStatusOptions

gitlab.go

@@ -23,7 +23,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math/rand"
 	"mime/multipart"
 	"net/http"
@@ -885,7 +884,7 @@ func CheckResponse(r *http.Response) error {
 	}
 
 	errorResponse := &ErrorResponse{Response: r}
-	data, err := ioutil.ReadAll(r.Body)
+	data, err := io.ReadAll(r.Body)
 	if err == nil && data != nil {
 		errorResponse.Body = data
 

gitlab_test.go

@@ -21,7 +21,6 @@ import (
 	"context"
 	"errors"
 	"io"
-	"io/ioutil"
 	"log"
 	"net/http"
 	"net/http/httptest"
@@ -135,7 +134,7 @@ func TestCheckResponse(t *testing.T) {
 	resp := &http.Response{
 		Request:    req.Request,
 		StatusCode: http.StatusBadRequest,
-		Body: ioutil.NopCloser(strings.NewReader(`
+		Body: io.NopCloser(strings.NewReader(`
 		{
 			"message": {
 				"prop1": [
@@ -192,7 +191,7 @@ func TestRequestWithContext(t *testing.T) {
 }
 
 func loadFixture(filePath string) []byte {
-	content, err := ioutil.ReadFile(filePath)
+	content, err := os.ReadFile(filePath)
 	if err != nil {
 		log.Fatal(err)
 	}

group_import_export_test.go

@@ -2,7 +2,7 @@ package gitlab
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 	"net/http"
 	"os"
@@ -42,7 +42,7 @@ func TestGroupExportDownload(t *testing.T) {
 		t.Errorf("GroupImportExport.ExportDownload returned error: %v", err)
 	}
 
-	data, err := ioutil.ReadAll(export)
+	data, err := io.ReadAll(export)
 	if err != nil {
 		t.Errorf("Error reading export: %v", err)
 	}
@@ -58,7 +58,7 @@ func TestGroupImport(t *testing.T) {
 	defer teardown(server)
 
 	content := []byte("temporary file's content")
-	tmpfile, err := ioutil.TempFile("", "example.*.tar.gz")
+	tmpfile, err := os.CreateTemp(os.TempDir(), "example.*.tar.gz")
 	if err != nil {
 		tmpfile.Close()
 		log.Fatal(err)

jobs_test.go

@@ -18,7 +18,7 @@ package gitlab
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"reflect"
 	"testing"
@@ -202,7 +202,7 @@ func TestDownloadSingleArtifactsFileByTagOrBranch(t *testing.T) {
 		t.Fatalf("Jobs.DownloadSingleArtifactsFileByTagOrBranch returns an error: %v", err)
 	}
 
-	content, err := ioutil.ReadAll(reader)
+	content, err := io.ReadAll(reader)
 	if err != nil {
 		t.Fatalf("Jobs.DownloadSingleArtifactsFileByTagOrBranch error reading: %v", err)
 	}

projects_test.go

@@ -19,7 +19,6 @@ package gitlab
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"reflect"
@@ -452,7 +451,7 @@ func TestUploadFile_Retry(t *testing.T) {
 	mux, server, client := setup(t)
 	defer teardown(server)
 
-	tf, _ := ioutil.TempFile(os.TempDir(), "test")
+	tf, _ := os.CreateTemp(os.TempDir(), "test")
 	defer os.Remove(tf.Name())
 
 	isFirstRequest := true

releases_test.go

@@ -18,7 +18,7 @@ package gitlab
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"strings"
 	"testing"
@@ -71,7 +71,7 @@ func TestReleasesService_CreateRelease(t *testing.T) {
 	mux.HandleFunc("/api/v4/projects/1/releases",
 		func(w http.ResponseWriter, r *http.Request) {
 			testMethod(t, r, http.MethodPost)
-			b, err := ioutil.ReadAll(r.Body)
+			b, err := io.ReadAll(r.Body)
 			if err != nil {
 				t.Fatalf("unable to read request body")
 			}
@@ -116,7 +116,7 @@ func TestReleasesService_CreateReleaseWithAsset(t *testing.T) {
 	mux.HandleFunc("/api/v4/projects/1/releases",
 		func(w http.ResponseWriter, r *http.Request) {
 			testMethod(t, r, http.MethodPost)
-			b, err := ioutil.ReadAll(r.Body)
+			b, err := io.ReadAll(r.Body)
 			if err != nil {
 				t.Fatalf("unable to read request body")
 			}
@@ -166,7 +166,7 @@ func TestReleasesService_CreateReleaseWithAssetAndNameMetadata(t *testing.T) {
 	mux.HandleFunc("/api/v4/projects/1/releases",
 		func(w http.ResponseWriter, r *http.Request) {
 			testMethod(t, r, http.MethodPost)
-			b, err := ioutil.ReadAll(r.Body)
+			b, err := io.ReadAll(r.Body)
 			if err != nil {
 				t.Fatalf("unable to read request body")
 			}
@@ -216,7 +216,7 @@ func TestReleasesService_CreateReleaseWithMilestones(t *testing.T) {
 	mux.HandleFunc("/api/v4/projects/1/releases",
 		func(w http.ResponseWriter, r *http.Request) {
 			testMethod(t, r, http.MethodPost)
-			b, err := ioutil.ReadAll(r.Body)
+			b, err := io.ReadAll(r.Body)
 			if err != nil {
 				t.Fatalf("unable to read request body")
 			}
@@ -262,7 +262,7 @@ func TestReleasesService_CreateReleaseWithReleasedAt(t *testing.T) {
 	mux.HandleFunc("/api/v4/projects/1/releases",
 		func(w http.ResponseWriter, r *http.Request) {
 			testMethod(t, r, http.MethodPost)
-			b, err := ioutil.ReadAll(r.Body)
+			b, err := io.ReadAll(r.Body)
 			if err != nil {
 				t.Fatalf("unable to read request body")
 			}
@@ -308,7 +308,7 @@ func TestReleasesService_UpdateRelease(t *testing.T) {
 	mux.HandleFunc("/api/v4/projects/1/releases/v0.1",
 		func(w http.ResponseWriter, r *http.Request) {
 			testMethod(t, r, http.MethodPut)
-			b, err := ioutil.ReadAll(r.Body)
+			b, err := io.ReadAll(r.Body)
 			if err != nil {
 				t.Fatalf("unable to read request body")
 			}
@@ -344,7 +344,7 @@ func TestReleasesService_UpdateReleaseWithMilestones(t *testing.T) {
 	mux.HandleFunc("/api/v4/projects/1/releases/v0.1",
 		func(w http.ResponseWriter, r *http.Request) {
 			testMethod(t, r, http.MethodPut)
-			b, err := ioutil.ReadAll(r.Body)
+			b, err := io.ReadAll(r.Body)
 			if err != nil {
 				t.Fatalf("unable to read request body")
 			}
@@ -381,7 +381,7 @@ func TestReleasesService_UpdateReleaseWithReleasedAt(t *testing.T) {
 	mux.HandleFunc("/api/v4/projects/1/releases/v0.1",
 		func(w http.ResponseWriter, r *http.Request) {
 			testMethod(t, r, http.MethodPut)
-			b, err := ioutil.ReadAll(r.Body)
+			b, err := io.ReadAll(r.Body)
 			if err != nil {
 				t.Fatalf("unable to read request body")
 			}