Fixed initialisation and added tests

Author: Timo Sand

lib/netvisor/element_base.rb

@@ -3,7 +3,7 @@ def self.included(base)
     base.class_exec do
       def initialize(args = {})
         args.each_pair do |key, val|
-          self.send("#{key}=", val) if ElementBase.method_defined? key
+          self.send("#{key}=", val) if self.class.method_defined? key
         end
       end
     end

spec/netvisor/element_base_spec.rb

@@ -0,0 +1,28 @@
+require "spec_helper"
+
+module Netvisor
+
+  class Dummy
+    include HappyMapper
+    include ElementBase
+
+    attribute :foo, String
+    element :bar, String
+  end
+
+  describe ElementBase do
+    describe "#initialize" do
+      it "Class values are nil on no parameters" do
+        dummy = Dummy.new
+        expect(dummy.foo).to be_nil
+        expect(dummy.bar).to be_nil
+      end
+
+      it "Class attribute is set to specified value" do
+        dummy = Dummy.new(:foo => 'foo')
+        expect(dummy.foo).to eq 'foo'
+        expect(dummy.bar).to be_nil
+      end
+    end
+  end
+end