Adding != case

Signed-off-by: alanprot <[email protected]>
cortexproject · Jan 27, 2025 · f9908dc · f9908dc
1 parent 7608ad2
commit f9908dc
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/walk.go b/walk.go
@@ -490,7 +490,11 @@ func (s *PromQLSmith) walkLabelMatchers() []*labels.Matcher {
 			case labels.MatchEqual:
 				matcher = labels.MustNewMatcher(labels.MatchEqual, lbls[orders[i]].Name, lbls[orders[i]].Value)
 			case labels.MatchNotEqual:
-				matcher = labels.MustNewMatcher(labels.MatchNotEqual, lbls[orders[i]].Name, lbls[orders[i]].Value)
+				val := lbls[orders[i]].Value
+				if s.rnd.Float64() > 0.9 {
+					val = ""
+				}
+				matcher = labels.MustNewMatcher(labels.MatchNotEqual, lbls[orders[i]].Name, val)
 			case labels.MatchRegexp:
 				matcher = labels.MustNewMatcher(labels.MatchRegexp, lbls[orders[i]].Name, valF(lbls[orders[i]].Value))
 			case labels.MatchNotRegexp: