integration: check Watch response error not nil to avoid runtime panic.

Fixes issue: #14259 Signed-off-by: 王霄霄 <1141195807@qq.com>
etcd-io · Oct 16, 2022 · 2751ec6 · 2751ec6
1 parent f97aac9
commit 2751ec6
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tests/integration/clientv3/watch_test.go b/tests/integration/clientv3/watch_test.go
@@ -340,6 +340,9 @@ func putAndWatch(t *testing.T, wctx *watchctx, key, val string) {
 		if !ok {
 			t.Fatalf("unexpected watch close")
 		}
+		if err := v.Err(); err != nil {
+			t.Fatalf("unexpected watch response error: %v", err)
+		}
 		if string(v.Events[0].Kv.Value) != val {
 			t.Fatalf("bad value got %v, wanted %v", v.Events[0].Kv.Value, val)
 		}