creating the checkout form. testing the output of the form.

app/models/order.rb

@@ -1,3 +1,9 @@
 class Order < ActiveRecord::Base
   has_many :line_items
+
+  PAYMENT_TYPES = [
+    ["Check", "check"],
+    ["Credit card", "cc"],
+    ["Purchase order", "po"]
+  ]
 end

app/views/store/checkout.html.erb

@@ -0,0 +1,33 @@
+<div class="depot-form">
+
+  <%= error_messages_for 'order' %>
+
+	<% form_for :order, :url => {:action => :save_order} do |form| -%>
+	  <fieldset>
+	  	<legend>Please Enter Your Details</legend>
+			<p>
+		    <%= label :order, :name, "Name:" %>
+		    <%= form.text_field :name, :size => 40 %>
+		  </p>
+			<p>
+				<%= label :order, :address, "Address:" %> 
+	      <%= form.text_area :address, :rows => 3, :cols => 40 %>
+			</p>
+			<p> 
+				<%= label :order, :email, "E-Mail:" %> 
+				<%= form.text_field :email, :size => 40 %> 
+			</p>
+
+			<p> 
+				<%= label :order, :pay_type, "Pay with:" %> 
+				<%= 
+					form.select :pay_type, 
+					Order::PAYMENT_TYPES, 
+					:prompt => "Select a payment method" 
+				%> 
+			</p> 
+			<%= submit_tag "Place Order", :class => "submit" %>
+	  </fieldset>
+	<% end -%>
+
+</div>

test/functional/store_controller_test.rb

@@ -66,4 +66,20 @@ class StoreControllerTest < ActionController::TestCase
 
     #assert_match /<div id=\"notice\"/, @response.body
   end
+
+  test "checkout does not allow empty cart" do
+    get :index
+    post :checkout
+    assert_redirected_to :controller => :store, :action => :index
+  end
+
+  test "checkout form has all required fields" do
+    post :add_to_cart, :id => products(:one)
+    post :checkout
+    assert_response :success
+    assert_tag :tag => 'input', :attributes => {:type => 'text', :name => 'order[name]'}
+    assert_tag :tag => 'textarea', :attributes => {:name => 'order[address]'}
+    assert_tag :tag => 'input', :attributes => {:type => 'text', :name => 'order[email]'}
+    assert_tag :tag => 'select', :attributes => {:name => 'order[pay_type]'}
+  end
 end