Pull Up Method.

pull-up-method/lib/after.rb

@@ -0,0 +1,24 @@
+class Person
+  attr_reader :first_name, :last_name
+
+  def initialize first_name, last_name
+    @first_name = first_name
+    @last_name = last_name
+  end
+
+  def full_name
+    first_name + " " + last_name
+  end
+end
+
+class MalePerson < Person
+  def gender
+    "M"
+  end
+end
+
+class FemalePerson < Person
+  def gender
+    "F"
+  end
+end

pull-up-method/lib/before.rb

@@ -0,0 +1,29 @@
+class Person
+  attr_reader :first_name, :last_name
+
+  def initialize first_name, last_name
+    @first_name = first_name
+    @last_name = last_name
+  end
+
+end
+
+class MalePerson < Person
+  def full_name
+    first_name + " " + last_name
+  end
+
+  def gender
+    "M"
+  end
+end
+
+class FemalePerson < Person
+  def full_name
+    first_name + " " + last_name
+  end
+
+  def gender
+    "F"
+  end
+end

pull-up-method/test/test.rb

@@ -3,3 +3,15 @@
 
 require 'before' if ENV["BEFORE"]
 require 'after' unless ENV["BEFORE"]
+
+describe MalePerson do
+  it "has a full name" do
+    MalePerson.new("John", "Smith").full_name.must_equal "John Smith"
+  end
+end
+
+describe MalePerson do
+  it "has a full name" do
+    FemalePerson.new("Michelle", "Smith").full_name.must_equal "Michelle Smith"
+  end
+end