why? just why is this search server thingy so brittle?

Author: christophstrobl

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/index/VectorIndexIntegrationTests.java

@@ -77,9 +77,8 @@ void init() {
 	@AfterEach
 	void cleanup() {
 
+		template.tryToDropSearchIndexes(Movie.class, Duration.ofSeconds(30));
 		template.flush(Movie.class);
-		template.searchIndexOps(Movie.class).dropAllIndexes();
-		template.awaitNoSearchIndexAvailable(Movie.class, Duration.ofSeconds(30));
 	}
 
 	@ParameterizedTest // GH-4706

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/test/util/MongoTestTemplate.java

@@ -233,4 +233,43 @@ public void awaitNoSearchIndexAvailable(String collectionName, Duration timeout)
 	public void awaitNoSearchIndexAvailable(Class<?> type, Duration timeout) {
 		awaitNoSearchIndexAvailable(getCollectionName(type), timeout);
 	}
+
+	public void tryToDropSearchIndexes(Class<?> type, Duration duration) {
+		tryToDropSearchIndexes(getCollectionName(type), duration);
+	}
+
+	public void tryToDropSearchIndexes(String collectionName, Duration timeout) {
+		
+		Awaitility.await().atMost(timeout).pollInterval(Duration.ofMillis(200)).until(() -> {
+
+			try {
+				this.execute(collectionName, coll -> {
+
+					ArrayList<Document> indexDocuments = coll.aggregate(List.of(Document.parse("{'$listSearchIndexes': { } }")))
+							.into(new ArrayList<>());
+
+					indexDocuments.forEach(indexDocument -> {
+						if (indexDocument.containsKey("name")) {
+							boolean toBeDeleted = true;
+							if (indexDocument.containsKey("status")) {
+								String status = indexDocument.getString("status");
+								if (status.equals("DELETING") || status.equals("DOES_NOT_EXIST")) {
+									toBeDeleted = false;
+								}
+							}
+							if (toBeDeleted) {
+								coll.dropSearchIndex(indexDocument.getString("name"));
+							}
+						}
+					});
+					return "done with that";
+				});
+			} catch (Exception e) {
+				return false;
+			}
+			return true;
+		});
+
+		awaitNoSearchIndexAvailable(collectionName, timeout);
+	}
 }