Add more options

lib/memcached/client.rb

@@ -144,6 +144,21 @@ But it was #{servers.inspect}.
     end
 
     def normalize_behaviors(options)
+      # UDP requires noreply
+      options[:noreply] = true if options[:use_udp]
+
+      # Buffering requires non-blocking
+      # FIXME This should all be wrapped up in a single :pipeline option.
+      options[:no_block] = true if options[:buffer_requests]
+
+      # Disallow weights without ketama
+      options.delete(:ketama_weighted) if options[:distribution] != :consistent_ketama
+
+      # Disallow :sort_hosts with consistent hashing
+      if options[:sort_hosts] && options[:distribution] == :consistent
+        raise ArgumentError, ":sort_hosts defeats :consistent hashing"
+      end
+
       if timeout = options.delete(:timeout)
         options[:rcv_timeout] ||= timeout
         options[:snd_timeout] ||= timeout

test/unit/client_initialize_test.rb

@@ -88,11 +88,18 @@ class ClientInitializeTest < BaseTest
     assert_raises(ArgumentError) { Memcached::Client.new "local host:43043:1" }
   end
 
-#  def test_initialize_with_invalid_options
-#    assert_raise(ArgumentError) do
-#      Memcached.new @servers, :sort_hosts => true, :distribution => :consistent
-#    end
-#  end
+  def test_initialize_with_sort_host_and_consistent_distribution
+    assert_raises(ArgumentError) do
+      Memcached::Client.new @servers, :sort_hosts => true, :distribution => :consistent
+    end
+  end
+
+  def test_initialize_with_invalid_options
+    assert_raises(ArgumentError) do
+      client = Memcached::Client.new @servers, foo: true
+      client.connection
+    end
+  end
 
 #  def test_initialize_with_invalid_prefix_key
 #    assert_raises(ArgumentError) do
@@ -100,11 +107,6 @@ class ClientInitializeTest < BaseTest
 #      client.connection
 #    end
 #  end
-
-#  def test_initialize_without_prefix_key
-#    cache = Memcached.new @servers
-#    assert_equal 3, cache.send(:server_structs).size
-#  end
 #
 #  def test_set_prefix_key
 #    cache = Memcached.new @servers, :prefix_key => "foo"