fix(ci): delete all issue in upgrade test (#9291)

Author: Harshil Goel

posting/list.go

@@ -382,6 +382,10 @@ func (mm *MutableLayer) print() string {
 		mm.deleteAllMarker)
 }
 
+func (l *List) print() string {
+	return fmt.Sprintf("minTs: %d, plist: %+v, mutationMap: %s", l.minTs, l.plist, l.mutationMap.print())
+}
+
 // Return if piterator needs to be searched or not after mutable map and the posting if found.
 func (mm *MutableLayer) findPosting(readTs, uid uint64) (bool, *pb.Posting) {
 	if mm == nil {
@@ -1119,7 +1123,7 @@ func (l *List) iterate(readTs uint64, afterUid uint64, f func(obj *pb.Posting) e
 	// pitr iterates through immutable postings
 	err = pitr.seek(l, afterUid, deleteBelowTs)
 	if err != nil {
-		return errors.Wrapf(err, "cannot initialize iterator when calling List.iterate")
+		return errors.Wrapf(err, "cannot initialize iterator when calling List.iterate "+l.print())
 	}
 
 loop:

systest/mutations-and-queries/integration_test.go

@@ -45,6 +45,10 @@ func (ssuite *SystestTestSuite) SetupSubTest() {
 	require.NoError(t, gcli.DropAll())
 }
 
+func (ssuite *SystestTestSuite) CheckAllowedErrorPreUpgrade(err error) bool {
+	return false
+}
+
 func (ssuite *SystestTestSuite) Upgrade() {
 	// Not implemented for integration tests
 }

systest/mutations-and-queries/mutations_test.go

@@ -2935,7 +2935,13 @@ func (ssuite *SystestTestSuite) DeleteAndQuerySameTxn() {
 
 	q := `{ me(func: has(name)) { name } }`
 	resp, err := txn2.Query(ctx, q)
-	require.NoError(t, err)
+	if err != nil {
+		if !ssuite.CheckAllowedErrorPreUpgrade(err) {
+			require.NoError(t, err)
+		} else {
+			t.Skip()
+		}
+	}
 	dgraphapi.CompareJSON(`{"me":[{"name":"Alice"}]}`,
 		string(resp.GetJson()))
 	require.NoError(t, txn2.Commit(ctx))

systest/mutations-and-queries/upgrade_test.go

@@ -21,6 +21,7 @@ package main
 import (
 	"errors"
 	"log"
+	"strings"
 	"testing"
 	"time"
 
@@ -57,6 +58,15 @@ func (ssuite *SystestTestSuite) TearDownSubTest() {
 	ssuite.lc.Cleanup(ssuite.T().Failed())
 }
 
+func (ssuite *SystestTestSuite) CheckAllowedErrorPreUpgrade(err error) bool {
+	if val, checkErr := dgraphtest.IsHigherVersion(
+		ssuite.dc.GetVersion(),
+		"315747a19e9d5c5b98055c8b943a6e6462153bb3"); checkErr == nil && val || checkErr != nil {
+		return false
+	}
+	return strings.Contains(err.Error(), "cannot initialize iterator when calling List.iterate: deleteBelowTs")
+}
+
 func (ssuite *SystestTestSuite) Upgrade() {
 	require.NoError(ssuite.T(), ssuite.lc.Upgrade(ssuite.uc.After, ssuite.uc.Strategy))
 }