first pack of tests for milestones

spec/models/milestone_spec.rb

@@ -1,5 +1,40 @@
 require 'spec_helper'
 
 describe Milestone do
-  pending "add some examples to (or delete) #{__FILE__}"
+  describe "Associations" do
+    it { should belong_to(:project) }
+    it { should have_many(:issues) }
+  end
+
+  describe "Validation" do
+    it { should validate_presence_of(:title) }
+    it { should validate_presence_of(:project_id) }
+  end
+
+  let(:project) { Factory :project }
+  let(:milestone) { Factory :milestone, :project => project }
+  let(:issue) { Factory :issue, :project => project }
+
+  it { milestone.should be_valid }
+
+  describe "Issues" do 
+    before do 
+      milestone.issues << issue
+    end
+
+    it { milestone.percent_complete.should == 0 }
+
+    it do 
+      issue.update_attributes :closed => true
+      milestone.percent_complete.should == 100
+    end
+  end
+
+  describe :expires_at do 
+    before do 
+      milestone.update_attributes :due_date => Date.today + 1.day
+    end
+
+    it { milestone.expires_at.should_not be_nil }
+  end
 end