fix: enable nil-compare rule from testifylint

Signed-off-by: Matthieu MOREL <[email protected]>

pkg/ioutil/pagewriter_test.go

@@ -146,7 +146,7 @@ func TestPageWriterPageBytes(t *testing.T) {
 				}, "expected panic when pageBytes is %d", tc.pageBytes)
 			} else {
 				pw := NewPageWriter(cw, tc.pageBytes, 0)
-				assert.NotEqual(t, pw, nil)
+				assert.NotNil(t, pw)
 			}
 		})
 	}

server/etcdserver/api/v2store/store_ttl_test.go

@@ -20,6 +20,7 @@ import (
 
 	"github.com/jonboulle/clockwork"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 
 	"go.etcd.io/etcd/client/pkg/v3/testutil"
 	"go.etcd.io/etcd/server/v3/etcdserver/api/v2error"
@@ -38,7 +39,7 @@ func TestMinExpireTime(t *testing.T) {
 	s.DeleteExpiredKeys(fc.Now())
 	var eidx uint64 = 1
 	e, err := s.Get("/foo", true, false)
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 	assert.Equal(t, e.EtcdIndex, eidx)
 	assert.Equal(t, e.Action, "get")
 	assert.Equal(t, e.Node.Key, "/foo")
@@ -60,7 +61,7 @@ func TestStoreGetDirectory(t *testing.T) {
 	s.Create("/foo/baz/ttl", false, "Y", false, TTLOptionSet{ExpireTime: fc.Now().Add(time.Second * 3)})
 	var eidx uint64 = 7
 	e, err := s.Get("/foo", true, false)
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 	assert.Equal(t, e.EtcdIndex, eidx)
 	assert.Equal(t, e.Action, "get")
 	assert.Equal(t, e.Node.Key, "/foo")
@@ -103,14 +104,14 @@ func TestStoreUpdateValueTTL(t *testing.T) {
 	var eidx uint64 = 2
 	s.Create("/foo", false, "bar", false, TTLOptionSet{ExpireTime: Permanent})
 	_, err := s.Update("/foo", "baz", TTLOptionSet{ExpireTime: fc.Now().Add(500 * time.Millisecond)})
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 	e, _ := s.Get("/foo", false, false)
 	assert.Equal(t, *e.Node.Value, "baz")
 	assert.Equal(t, e.EtcdIndex, eidx)
 	fc.Advance(600 * time.Millisecond)
 	s.DeleteExpiredKeys(fc.Now())
 	e, err = s.Get("/foo", false, false)
-	testutil.AssertNil(t, e)
+	assert.Nil(t, e)
 	assert.Equal(t, err.(*v2error.Error).ErrorCode, v2error.EcodeKeyNotFound)
 }
 
@@ -122,11 +123,11 @@ func TestStoreUpdateDirTTL(t *testing.T) {
 
 	var eidx uint64 = 3
 	_, err := s.Create("/foo", true, "", false, TTLOptionSet{ExpireTime: Permanent})
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 	_, err = s.Create("/foo/bar", false, "baz", false, TTLOptionSet{ExpireTime: Permanent})
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 	e, err := s.Update("/foo/bar", "", TTLOptionSet{ExpireTime: fc.Now().Add(500 * time.Millisecond)})
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 	assert.False(t, e.Node.Dir)
 	assert.Equal(t, e.EtcdIndex, eidx)
 	e, _ = s.Get("/foo/bar", false, false)
@@ -136,7 +137,7 @@ func TestStoreUpdateDirTTL(t *testing.T) {
 	fc.Advance(600 * time.Millisecond)
 	s.DeleteExpiredKeys(fc.Now())
 	e, err = s.Get("/foo/bar", false, false)
-	testutil.AssertNil(t, e)
+	assert.Nil(t, e)
 	assert.Equal(t, err.(*v2error.Error).ErrorCode, v2error.EcodeKeyNotFound)
 }
 
@@ -155,7 +156,7 @@ func TestStoreWatchExpire(t *testing.T) {
 	assert.Equal(t, w.StartIndex(), eidx)
 	c := w.EventChan()
 	e := nbselect(c)
-	testutil.AssertNil(t, e)
+	assert.Nil(t, e)
 	fc.Advance(600 * time.Millisecond)
 	s.DeleteExpiredKeys(fc.Now())
 	eidx = 4
@@ -193,7 +194,7 @@ func TestStoreWatchExpireRefresh(t *testing.T) {
 	assert.Equal(t, w.StartIndex(), eidx)
 	c := w.EventChan()
 	e := nbselect(c)
-	testutil.AssertNil(t, e)
+	assert.Nil(t, e)
 	fc.Advance(600 * time.Millisecond)
 	s.DeleteExpiredKeys(fc.Now())
 	eidx = 3
@@ -275,16 +276,16 @@ func TestStoreRefresh(t *testing.T) {
 	s.Create("/bar", true, "bar", false, TTLOptionSet{ExpireTime: fc.Now().Add(500 * time.Millisecond)})
 	s.Create("/bar/z", false, "bar", false, TTLOptionSet{ExpireTime: fc.Now().Add(500 * time.Millisecond)})
 	_, err := s.Update("/foo", "", TTLOptionSet{ExpireTime: fc.Now().Add(500 * time.Millisecond), Refresh: true})
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 
 	_, err = s.Set("/foo", false, "", TTLOptionSet{ExpireTime: fc.Now().Add(500 * time.Millisecond), Refresh: true})
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 
 	_, err = s.Update("/bar/z", "", TTLOptionSet{ExpireTime: fc.Now().Add(500 * time.Millisecond), Refresh: true})
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 
 	_, err = s.CompareAndSwap("/foo", "bar", 0, "", TTLOptionSet{ExpireTime: fc.Now().Add(500 * time.Millisecond), Refresh: true})
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 }
 
 // TestStoreRecoverWithExpiration ensures that the store can recover from a previously saved state that includes an expiring key.
@@ -299,7 +300,7 @@ func TestStoreRecoverWithExpiration(t *testing.T) {
 	s.Create("/foo/x", false, "bar", false, TTLOptionSet{ExpireTime: Permanent})
 	s.Create("/foo/y", false, "baz", false, TTLOptionSet{ExpireTime: fc.Now().Add(5 * time.Millisecond)})
 	b, err := s.Save()
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 
 	time.Sleep(10 * time.Millisecond)
 
@@ -312,13 +313,13 @@ func TestStoreRecoverWithExpiration(t *testing.T) {
 	s.DeleteExpiredKeys(fc.Now())
 
 	e, err := s.Get("/foo/x", false, false)
-	testutil.AssertNil(t, err)
+	assert.Nil(t, err)
 	assert.Equal(t, e.EtcdIndex, eidx)
 	assert.Equal(t, *e.Node.Value, "bar")
 
 	e, err = s.Get("/foo/y", false, false)
-	testutil.AssertNotNil(t, err)
-	testutil.AssertNil(t, e)
+	require.NotNil(t, err)
+	assert.Nil(t, e)
 }
 
 // TestStoreWatchExpireWithHiddenKey ensures that the store doesn't see expirations of hidden keys.
@@ -333,11 +334,11 @@ func TestStoreWatchExpireWithHiddenKey(t *testing.T) {
 	w, _ := s.Watch("/", true, false, 0)
 	c := w.EventChan()
 	e := nbselect(c)
-	testutil.AssertNil(t, e)
+	assert.Nil(t, e)
 	fc.Advance(600 * time.Millisecond)
 	s.DeleteExpiredKeys(fc.Now())
 	e = nbselect(c)
-	testutil.AssertNil(t, e)
+	assert.Nil(t, e)
 	fc.Advance(600 * time.Millisecond)
 	s.DeleteExpiredKeys(fc.Now())
 	e = nbselect(c)

tests/e2e/v3_curl_auth_test.go

@@ -21,12 +21,12 @@ import (
 	"math/rand"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
 	"go.etcd.io/etcd/api/v3/authpb"
 	pb "go.etcd.io/etcd/api/v3/etcdserverpb"
 	"go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
-	"go.etcd.io/etcd/client/pkg/v3/testutil"
 	"go.etcd.io/etcd/pkg/v3/expect"
 	"go.etcd.io/etcd/tests/v3/framework/e2e"
 )
@@ -66,7 +66,7 @@ func testCurlV3Auth(cx ctlCtx) {
 	// create users
 	for i := 0; i < len(usernames); i++ {
 		user, err := json.Marshal(&pb.AuthUserAddRequest{Name: usernames[i], Password: pwds[i], Options: options[i]})
-		testutil.AssertNil(cx.t, err)
+		assert.Nil(cx.t, err)
 
 		if err = e2e.CURLPost(cx.epc, e2e.CURLReq{
 			Endpoint: "/v3/auth/user/add",
@@ -79,7 +79,7 @@ func testCurlV3Auth(cx ctlCtx) {
 
 	// create root role
 	rolereq, err := json.Marshal(&pb.AuthRoleAddRequest{Name: "root"})
-	testutil.AssertNil(cx.t, err)
+	assert.Nil(cx.t, err)
 
 	if err = e2e.CURLPost(cx.epc, e2e.CURLReq{
 		Endpoint: "/v3/auth/role/add",
@@ -92,7 +92,7 @@ func testCurlV3Auth(cx ctlCtx) {
 	//grant root role
 	for i := 0; i < len(usernames); i++ {
 		grantroleroot, merr := json.Marshal(&pb.AuthUserGrantRoleRequest{User: usernames[i], Role: "root"})
-		testutil.AssertNil(cx.t, merr)
+		assert.Nil(cx.t, merr)
 
 		if err = e2e.CURLPost(cx.epc, e2e.CURLReq{
 			Endpoint: "/v3/auth/user/grant",
@@ -115,7 +115,7 @@ func testCurlV3Auth(cx ctlCtx) {
 	for i := 0; i < len(usernames); i++ {
 		// put "bar[i]" into "foo[i]"
 		putreq, err := json.Marshal(&pb.PutRequest{Key: []byte(fmt.Sprintf("foo%d", i)), Value: []byte(fmt.Sprintf("bar%d", i))})
-		testutil.AssertNil(cx.t, err)
+		assert.Nil(cx.t, err)
 
 		// fail put no auth
 		if err = e2e.CURLPost(cx.epc, e2e.CURLReq{
@@ -128,7 +128,7 @@ func testCurlV3Auth(cx ctlCtx) {
 
 		// auth request
 		authreq, err := json.Marshal(&pb.AuthenticateRequest{Name: usernames[i], Password: pwds[i]})
-		testutil.AssertNil(cx.t, err)
+		assert.Nil(cx.t, err)
 
 		var (
 			authHeader string
@@ -141,14 +141,14 @@ func testCurlV3Auth(cx ctlCtx) {
 			Value:    string(authreq),
 		})
 		proc, err := e2e.SpawnCmd(cmdArgs, cx.envMap)
-		testutil.AssertNil(cx.t, err)
+		assert.Nil(cx.t, err)
 		defer proc.Close()
 
 		cURLRes, err := proc.ExpectFunc(context.Background(), lineFunc)
-		testutil.AssertNil(cx.t, err)
+		assert.Nil(cx.t, err)
 
 		authRes := make(map[string]any)
-		testutil.AssertNil(cx.t, json.Unmarshal([]byte(cURLRes), &authRes))
+		assert.Nil(cx.t, json.Unmarshal([]byte(cURLRes), &authRes))
 
 		token, ok := authRes[rpctypes.TokenFieldNameGRPC].(string)
 		if !ok {