From ead71c077a2d43695c762c3606fd7a5d1839e438 Mon Sep 17 00:00:00 2001
From: fatkodima <fatkodima123@gmail.com>
Date: Thu, 7 Oct 2021 16:32:22 +0300
Subject: [PATCH] [Redis 6.2] Add SMISMEMBER command

---
 lib/redis.rb             | 13 +++++++++++++
 lib/redis/distributed.rb |  5 +++++
 test/lint/sets.rb        | 12 ++++++++++++
 3 files changed, 30 insertions(+)

diff --git a/lib/redis.rb b/lib/redis.rb
index 2a1642d8e..52509569f 100644
--- a/lib/redis.rb
+++ b/lib/redis.rb
@@ -1524,6 +1524,19 @@ def sismember(key, member)
     end
   end
 
+  # Determine if multiple values are members of a set.
+  #
+  # @param [String] key
+  # @param [String, Array<String>] members
+  # @return [Array<Boolean>]
+  def smismember(key, *members)
+    synchronize do |client|
+      client.call([:smismember, key, *members]) do |reply|
+        reply.map(&Boolify)
+      end
+    end
+  end
+
   # Get all the members in a set.
   #
   # @param [String] key
diff --git a/lib/redis/distributed.rb b/lib/redis/distributed.rb
index 7586139bb..1056856e8 100644
--- a/lib/redis/distributed.rb
+++ b/lib/redis/distributed.rb
@@ -552,6 +552,11 @@ def sismember(key, member)
       node_for(key).sismember(key, member)
     end
 
+    # Determine if multiple values are members of a set.
+    def smismember(key, *members)
+      node_for(key).smismember(key, *members)
+    end
+
     # Get all the members in a set.
     def smembers(key)
       node_for(key).smembers(key)
diff --git a/test/lint/sets.rb b/test/lint/sets.rb
index 56c167de2..c799ae678 100644
--- a/test/lint/sets.rb
+++ b/test/lint/sets.rb
@@ -88,6 +88,18 @@ def test_sismember
       assert_equal false, r.sismember("foo", "s2")
     end
 
+    def test_smismember
+      target_version("6.2") do
+        assert_equal [false], r.smismember("foo", "s1")
+
+        r.sadd "foo", "s1"
+        assert_equal [true], r.smismember("foo", "s1")
+
+        r.sadd "foo", "s3"
+        assert_equal [true, false, true], r.smismember("foo", "s1", "s2", "s3")
+      end
+    end
+
     def test_smembers
       assert_equal [], r.smembers("foo")