From 97ea8de07f7d578a5c7dffabaa68d6706703d12c Mon Sep 17 00:00:00 2001
From: David Chen <42048732+davidchen2001@users.noreply.github.com>
Date: Mon, 8 Dec 2025 17:19:02 -0500
Subject: [PATCH] SERVER-113895: Perform range-based and compound shard key
 testing for productionized orphan deleter script (#44114)

GitOrigin-RevId: a4b98b9ab9fe4b351c7be6b61e662a99ef7b7b58
---
 jstests/sharding/libs/sharding_util.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/jstests/sharding/libs/sharding_util.js b/jstests/sharding/libs/sharding_util.js
index cdd0920f698..e0c65b1815f 100644
--- a/jstests/sharding/libs/sharding_util.js
+++ b/jstests/sharding/libs/sharding_util.js
@@ -100,3 +100,25 @@ export function isSlowBuild(conn) {
         (rawBuildInfo.hasOwnProperty("buildEnvironment") && rawBuildInfo.buildEnvironment.target_os == "windows")
     );
 }
+
+/**
+ * Builds a MinKey or MaxKey object based on shard key structure.
+ * @param {Object} shardKey - The shard key pattern object (e.g., {x: 1, y: 1})
+ * @param {Object} keyType - Either MinKey or MaxKey
+ * @returns {Object} An object with the same keys as shardKey, but values set to keyType
+ */
+export function buildShardKeyBoundary(shardKey, keyType) {
+    const boundary = {};
+    Object.keys(shardKey).forEach((key) => {
+        boundary[key] = keyType;
+    });
+    return boundary;
+}
+
+export function buildMinKey(shardKey) {
+    return buildShardKeyBoundary(shardKey, MinKey);
+}
+
+export function buildMaxKey(shardKey) {
+    return buildShardKeyBoundary(shardKey, MaxKey);
+}