added sunniness field to plantings

app/models/planting.rb

@@ -13,6 +13,9 @@ class Planting < ActiveRecord::Base
     :to => :crop,
     :prefix => true
 
+  validates :sunniness, :inclusion => { :in => %w(sun semi-shade shade),
+        :message => "%{value} is not a valid sunniness value" }
+
   def planting_slug
     "#{owner.login_name}-#{garden}-#{crop}".downcase.gsub(' ', '-')
   end

db/migrate/20130329045744_add_sunniness_to_planting.rb

@@ -0,0 +1,5 @@
+class AddSunninessToPlanting < ActiveRecord::Migration
+  def change
+    add_column :plantings, :sunniness, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130327120024) do
+ActiveRecord::Schema.define(:version => 20130329045744) do
 
   create_table "comments", :force => true do |t|
     t.integer  "post_id",    :null => false
@@ -130,6 +130,7 @@ ActiveRecord::Schema.define(:version => 20130327120024) do
     t.datetime "created_at",  :null => false
     t.datetime "updated_at",  :null => false
     t.string   "slug"
+    t.string   "sunniness"
   end
 
   add_index "plantings", ["slug"], :name => "index_plantings_on_slug", :unique => true

spec/factories/planting.rb

@@ -5,5 +5,6 @@ FactoryGirl.define do
     planted_at Time.now
     quantity 33
     description "This is a *really* good plant."
+    sunniness 'sun'
   end
 end

spec/models/planting_spec.rb

@@ -38,4 +38,21 @@ describe Planting do
     @planting.planted_at_string.should == "2013-03-01"
   end
 
+  it 'should have a sunniness value' do
+    @planting.sunniness.should eq 'sun'
+  end
+
+  it 'all three valid sunniness values should work' do
+    ['sun', 'shade', 'semi-shade'].each do |s|
+      @planting = FactoryGirl.build(:planting, :sunniness => s)
+      @planting.should be_valid
+    end
+  end
+
+  it 'should refuse invalid sunniness values' do
+    @planting = FactoryGirl.build(:planting, :sunniness => 'not valid')
+    @planting.should_not be_valid
+    @planting.errors[:sunniness].should include("not valid is not a valid sunniness value")
+  end
+
 end