From 57c79c2b7ccbf46d6964cc5104d52f41911e70fe Mon Sep 17 00:00:00 2001
From: Jean Boussier <jean.boussier@gmail.com>
Date: Fri, 21 Mar 2025 11:32:28 +0100
Subject: [PATCH] Handle RedisClient::NoScriptError

---
 lib/redis/client.rb          | 3 +++
 lib/redis/errors.rb          | 5 +++++
 test/redis/scripting_test.rb | 7 +++++++
 3 files changed, 15 insertions(+)

diff --git a/lib/redis/client.rb b/lib/redis/client.rb
index d23ed9122..16e7a23a1 100644
--- a/lib/redis/client.rb
+++ b/lib/redis/client.rb
@@ -17,6 +17,9 @@ class Client < ::RedisClient
       RedisClient::ProtocolError => Redis::ProtocolError,
       RedisClient::OutOfMemoryError => Redis::OutOfMemoryError,
     }
+    if defined?(RedisClient::NoScriptError)
+      ERROR_MAPPING[RedisClient::NoScriptError] = Redis::NoScriptError
+    end
 
     class << self
       def config(**kwargs)
diff --git a/lib/redis/errors.rb b/lib/redis/errors.rb
index bef5a8d45..549067274 100644
--- a/lib/redis/errors.rb
+++ b/lib/redis/errors.rb
@@ -29,6 +29,11 @@ class WrongTypeError < CommandError
   class OutOfMemoryError < CommandError
   end
 
+  if defined?(RedisClient::NoScriptError)
+    class NoScriptError < CommandError
+    end
+  end
+
   # Base error for connection related errors.
   class BaseConnectionError < BaseError
   end
diff --git a/test/redis/scripting_test.rb b/test/redis/scripting_test.rb
index f01650122..e3968b4c6 100644
--- a/test/redis/scripting_test.rb
+++ b/test/redis/scripting_test.rb
@@ -54,6 +54,13 @@ def test_evalsha
     assert_equal ["a1", "a2"], r.evalsha(to_sha("return ARGV"), [], ["a1", "a2"])
   end
 
+  def test_evalsha_no_script
+    error = defined?(RedisClient::NoScriptError) ? Redis::NoScriptError : Redis::CommandError
+    assert_raises error do
+      redis.evalsha("invalid")
+    end
+  end
+
   def test_evalsha_with_options_hash
     assert_equal 0, r.evalsha(to_sha("return #KEYS"), {})
     assert_equal 0, r.evalsha(to_sha("return #ARGV"), {})