Merge branch 'no-deep-dup' of https://github.com/byroot/redis-rb into 4.0

Author: djanowski

lib/redis/client.rb

@@ -21,9 +21,7 @@ class Client
       :inherit_socket => false
     }
 
-    def options
-      Marshal.load(Marshal.dump(@options))
-    end
+    attr_reader :options
 
     def scheme
       @options[:scheme]

test/internals_test.rb

@@ -354,19 +354,6 @@ def test_client_options
     assert_equal "foo", redis._client.options[:scheme]
   end
 
-  def test_does_not_change_self_client_options
-    redis = Redis.new(OPTIONS.merge(:host => "host", :port => 1234, :db => 1, :scheme => "foo"))
-    options = redis._client.options
-
-    options[:host] << "new_host"
-    options[:scheme] << "bar"
-    options.merge!(:db => 0)
-
-    assert_equal "host", redis._client.options[:host]
-    assert_equal 1, redis._client.options[:db]
-    assert_equal "foo", redis._client.options[:scheme]
-  end
-
   def test_resolves_localhost
     assert_nothing_raised do
       Redis.new(OPTIONS.merge(:host => 'localhost')).ping