test/unit/connection/test_cluster.rb in clickhouse-0.1.3 vs test/unit/connection/test_cluster.rb in clickhouse-0.1.4

@@ -8,9 +8,15 @@
         it "creates a connection pond" do
           cluster = Clickhouse::Cluster.new :urls => %w(localhost:1234 localhost:1235 localhost:1236)
           assert_equal true, cluster.pond.is_a?(Pond)
         end
 
+        it "does not modify the passed config" do
+          config = {:urls => %w(localhost:1234 localhost:1235 localhost:1236)}
+          Clickhouse::Cluster.new config
+          assert_equal({:urls => %w(localhost:1234 localhost:1235 localhost:1236)}, config)
+        end
+
         describe "when connection succeeds" do
           it "keeps valid connections from the pond" do
             Clickhouse::Connection.any_instance.expects(:tables)
             Clickhouse::Connection.any_instance.expects(:ping!)