integration: test lease list

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>

clientv3/integration/lease_test.go

@@ -574,6 +574,37 @@ func TestLeaseTimeToLiveLeaseNotFound(t *testing.T) {
 	}
 }
 
+func TestLeaseList(t *testing.T) {
+	defer testutil.AfterTest(t)
+
+	clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
+	defer clus.Terminate(t)
+
+	cli := clus.RandClient()
+
+	ids := []clientv3.LeaseID{}
+	for i := 0; i < 5; i++ {
+		resp, err := cli.Grant(context.Background(), 10)
+		if err != nil {
+			t.Errorf("failed to create lease %v", err)
+		}
+		ids = append(ids, resp.ID)
+	}
+
+	resp, err := cli.List(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(resp.LeaseItems) != 5 {
+		t.Fatalf("len(resp.LeaseItems) expected 5, got %d", len(resp.LeaseItems))
+	}
+	for i := range resp.LeaseItems {
+		if ids[i] != resp.LeaseItems[i].ID {
+			t.Fatalf("#%d: lease ID expected %d, got %d", i, ids[i], resp.LeaseItems[i].ID)
+		}
+	}
+}
+
 // TestLeaseRenewLostQuorum ensures keepalives work after losing quorum
 // for a while.
 func TestLeaseRenewLostQuorum(t *testing.T) {

integration/v3_lease_test.go

@@ -234,6 +234,43 @@ func TestV3LeaseExists(t *testing.T) {
 	}
 }
 
+// TestV3LeaseList creates leases and confirms list RPC fetches created ones.
+func TestV3LeaseList(t *testing.T) {
+	defer testutil.AfterTest(t)
+	clus := NewClusterV3(t, &ClusterConfig{Size: 1})
+	defer clus.Terminate(t)
+
+	ctx0, cancel0 := context.WithCancel(context.Background())
+	defer cancel0()
+
+	// create leases
+	ids := []int64{}
+	for i := 0; i < 5; i++ {
+		lresp, err := toGRPC(clus.RandClient()).Lease.LeaseGrant(
+			ctx0,
+			&pb.LeaseGrantRequest{TTL: 30})
+		if err != nil {
+			t.Fatal(err)
+		}
+		if lresp.Error != "" {
+			t.Fatal(lresp.Error)
+		}
+		ids = append(ids, lresp.ID)
+	}
+
+	lresp, err := toGRPC(clus.RandClient()).Lease.LeaseList(
+		context.Background(),
+		&pb.LeaseListRequest{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	for i := range lresp.LeaseItems {
+		if lresp.LeaseItems[i].ID != ids[i] {
+			t.Fatalf("#%d: lease ID expected %d, got %d", i, ids[i], lresp.LeaseItems[i].ID)
+		}
+	}
+}
+
 // TestV3LeaseRenewStress keeps creating lease and renewing it immediately to ensure the renewal goes through.
 // it was oberserved that the immediate lease renewal after granting a lease from follower resulted lease not found.
 // related issue https://github.com/coreos/etcd/issues/6978