atlas: add test case for couldMatch with empty index (#1140)

Netflix · Jul 10, 2024 · 374dadb · 374dadb
1 parent 3bee626
commit 374dadb
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/spectator-reg-atlas/src/test/java/com/netflix/spectator/atlas/impl/QueryIndexTest.java b/spectator-reg-atlas/src/test/java/com/netflix/spectator/atlas/impl/QueryIndexTest.java
@@ -557,6 +557,19 @@ public void findHotSpots() {
     });
   }
 
+  @Test
+  public void couldMatchEmpty() {
+    Registry registry = new NoopRegistry();
+    QueryIndex<Integer> idx = QueryIndex.newInstance(registry);
+
+    Assertions.assertFalse(idx.couldMatch(Query.toMap(id("foo"))::get));
+    Assertions.assertFalse(idx.couldMatch(Query.toMap(id("foo", "id", "bar"))::get));
+    Assertions.assertFalse(idx.couldMatch(Query.toMap(id("foo", "app", "baz-main"))::get));
+    Assertions.assertFalse(idx.couldMatch(Query.toMap(id("foo", "id", "baz"))::get));
+    Assertions.assertFalse(idx.couldMatch(Query.toMap(id("foo2", "id", "bar"))::get));
+    Assertions.assertFalse(idx.couldMatch(Query.toMap(id("foo", "app", "bar-main"))::get));
+  }
+
   @Test
   public void couldMatchPartial() {
     Registry registry = new NoopRegistry();