Handle RedisClient::NoScriptError

Author: byroot

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)

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

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"), {})