pruning/keep_last_n: correctly handle the case where count > matching snaps

fixes #446
2021-03-25 22:36:01 +01:00
parent ac4b109872
commit f661d9429f
2 changed files with 19 additions and 1 deletions
@@ -83,6 +83,19 @@ func TestKeepLastN(t *testing.T) {
 				"b1": true,
 			},
 		},
+		"keep_more_than_matching": {
+			inputs: []Snapshot{
+				stubSnap{"a1", false, o(10)},
+				stubSnap{"b1", false, o(11)},
+				stubSnap{"a2", false, o(12)},
+			},
+			rules: []KeepRule{
+				MustKeepLastN(3, "a"),
+			},
+			expDestroy: map[string]bool{
+				"b1": true,
+			},
+		},
 	}

 	testTable(tcs, t)