From 39b2df87276e74dc2ac4439f7ed66ccff7e49374 Mon Sep 17 00:00:00 2001
From: Michail Romaios <84708293+mromaios@users.noreply.github.com>
Date: Tue, 21 Oct 2025 11:35:37 +0200
Subject: [PATCH] test(TestInferenceService): prevent negative embedding values
 (#136806)

(cherry picked from commit 9d635175c5f5ac97949d37e0e12d3ac4f91ccafe)
---
 .../inference/mock/TestSparseInferenceServiceExtension.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/x-pack/plugin/inference/qa/test-service-plugin/src/main/java/org/elasticsearch/xpack/inference/mock/TestSparseInferenceServiceExtension.java b/x-pack/plugin/inference/qa/test-service-plugin/src/main/java/org/elasticsearch/xpack/inference/mock/TestSparseInferenceServiceExtension.java
index 59a53fae137ee..d8dd8b4e0e35b 100644
--- a/x-pack/plugin/inference/qa/test-service-plugin/src/main/java/org/elasticsearch/xpack/inference/mock/TestSparseInferenceServiceExtension.java
+++ b/x-pack/plugin/inference/qa/test-service-plugin/src/main/java/org/elasticsearch/xpack/inference/mock/TestSparseInferenceServiceExtension.java
@@ -191,7 +191,9 @@ protected ServiceSettings getServiceSettingsFromMap(Map<String, Object> serviceS
 
         private static float generateEmbedding(String input, int position) {
             // Ensure non-negative and non-zero values for features
-            return Math.abs(input.hashCode()) + 1 + position;
+            int hash = input.hashCode();
+            int absHash = (hash == Integer.MIN_VALUE) ? Integer.MAX_VALUE : Math.abs(hash);
+            return absHash + 1.0f + position;
         }
 
         public static class Configuration {