implemented hscan, hscan_each, and hstrlen on Redis::Distributed

Author: underwoo16

lib/redis/distributed.rb

@@ -918,6 +918,21 @@ def hgetall(key)
       node_for(key).hgetall(key)
     end
 
+    # Scan a hash
+    def hscan(key, cursor, **options)
+      node_for(key).hscan(key, cursor, **options)
+    end
+
+    # Scan a hash and return an enumerator
+    def hscan_each(key, **options, &block)
+      node_for(key).hscan_each(key, **options, &block)
+    end
+
+    # Get the length of the value stored in a hash field
+    def hstrlen(key, field)
+      node_for(key).hstrlen(key, field)
+    end
+
     # Post a message to a channel.
     def publish(channel, message)
       node_for(channel).publish(channel, message)

test/distributed/commands_on_hashes_test.rb

@@ -6,14 +6,6 @@ class TestDistributedCommandsOnHashes < Minitest::Test
   include Helper::Distributed
   include Lint::Hashes
 
-  def test_hscan
-    # Not implemented yet
-  end
-
-  def test_hstrlen
-    # Not implemented yet
-  end
-
   def test_mapped_hmget_in_a_pipeline_returns_hash
     assert_raises(Redis::Distributed::CannotDistribute) do
       super