Add ability to specify default value

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 1.1.3
+
+Add the ability to specify the return value on BlankSlate methods
+
 # 1.1.2
 
 Minor change to simplify the methods that are iterated when creating the BlankSlate class.

lib/blank_slate.rb

@@ -1,9 +1,9 @@
 module BlankSlate
-  def BlankSlate(klass, &block)
+  def BlankSlate(klass, default_value: nil, &block)
     blank_slate = Class.new(klass, &block)
     blank_slate.class_eval do
       (klass.instance_methods(false) - instance_methods(false)).each do |meth|
-        define_method(meth){ nil }
+        define_method(meth){ default_value }
       end
     end
     blank_slate

lib/blank_slate/version.rb

@@ -1,3 +1,3 @@
 module BlankSlate
-  VERSION = "1.1.2"
+  VERSION = "1.1.3"
 end

test/blank_slate_test.rb

@@ -61,4 +61,9 @@ def one
     null_object = blank_slate.new
     assert_equal null_object.inherited, 'this should be inherited'
   end
+
+  it "uses the specified default_value for the return" do
+    null_object = BlankSlate(BlankSlate::TesterClass, default_value: "blank").new
+    assert_equal "blank", null_object.one
+  end
 end