Read attribute 'options' added to Client class

Author: Napolskih

lib/redis/client.rb

@@ -19,6 +19,10 @@ class Client
       :tcp_keepalive => 0
     }
 
+    def options
+      Marshal.load(Marshal.dump(@options))
+    end
+
     def scheme
       @options[:scheme]
     end

test/internals_test.rb

@@ -320,4 +320,26 @@ def test_bubble_timeout_without_retrying
       serv.close if serv
     end
   end
+
+  def test_client_options
+    redis = Redis.new(OPTIONS.merge(:host => "host", :port => 1234, :db => 1, :scheme => "foo"))
+
+    assert_equal "host", redis.client.options[:host]
+    assert_equal 1234, redis.client.options[:port]
+    assert_equal 1, redis.client.options[:db]
+    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
 end