Forward blocks on Redis#call

This matches the behavior of RedisClient#call

Author: mlarraz

Diff for: lib/redis/commands.rb

@@ -199,8 +199,8 @@ module Commands
     # hash, are up to consumers.
     #
     # Redis error replies are raised as Ruby exceptions.
-    def call(*command)
-      send_command(command)
+    def call(*command, &block)
+      send_command(command, &block)
     end
 
     # Interact with the sentinel command (masters, master, slaves, failover)

Diff for: test/redis/client_test.rb

@@ -15,6 +15,11 @@ def test_call_with_arguments
     assert_equal result, "OK"
   end
 
+  def test_with_block
+    result = r.call("INFO") { |l| l.lines(chomp: true).grep(/uptime_in_days/)[0] }
+    assert_equal result, "uptime_in_days:0"
+  end
+
   def test_call_integers
     result = r.call("INCR", "foo")
     assert_equal result, 1