<commit_before>require 'spec_helper'

class FakeCalculator < Spree::Calculator
  def compute(computable)
    5
  end
end

describe Spree::Order do
  before(:each) do
    reset_spree_preferences
    Spree::Gateway::Test.create(:name => 'Test', :active => true, :environment => 'test', :description => 'foofah')
  end

  context 'validation' do
    it { should have_valid_factory(:order) }

    context "when @use_billing is populated" do
      before do
        order.bill_address = Factory(:address)
        order.ship_address = nil
      end

      context "with true" do
        before { order.use_billing = true }

        it "clones the bill address to the ship address" do
          order.valid?
          order.ship_address.should == order.bill_address
        end
      end

      context "with 'true'" do
        before { order.use_billing = 'true' }

        it "clones the bill address to the shipping" do
          order.valid?
          order.ship_address.should == order.bill_address
        end
      end

      context "with '1'" do
        before { order.use_billing = '1' }

        it "clones the bill address to the shipping" do
          order.valid?
          order.ship_address.should == order.bill_address
        end
      end

      context "with something other than a 'truthful' value" do
        before { order.use_billing = '0' }

        it "does not clone the bill address to the shipping" do
          order.valid?
          order.ship_address.should be_nil
        end
      end
    end
  end

  let(:user) { stub_model(Spree::User, :email => "<EMAIL>") }
  let(:order) { stub_model(Spree::Order, :user => user) }
  let(:gateway) { Spree::Gateway::Bogus.new(:name => "Credit Card", :active => true) }

  before do
    Spree::Gateway.stub :current => gateway
    Spree::User.stub(:current => mock_model(Spree::User, :id => 123))
  end

  context "#products" do
    before :each do
      @variant1 = mock_model(Spree::Variant, :product => "product1")
      @variant2 = mock_model(Spree::Variant, :product => "product2")
      @line_items = [mock_model(Spree::LineItem, :variant => @variant1, :variant_id => @variant1.id, :quantity => 1),
                     mock_model(Spree::LineItem, :variant => @variant2, :variant_id => @variant2.id, :quantity => 2)]
      order.stub(:line_items => @line_items)
    end

    it "should return ordered products" do
      order.products.should == ['product1', 'product2']
    end

    it "contains?" do
      order.contains?(@variant1).should be_true
    end

    it "gets the quantity of a given variant" do
      order.quantity_of(@variant1).should == 1

      @variant3 = mock_model(Spree::Variant, :product => "product3")
      order.quantity_of(@variant3).should == 0
    end
  end

  context "#save" do
    it "should create guest user (when no user assigned)" do
      order.run_callbacks(:create)
      order.user.should_not be_nil
    end

    context "when associated with a registered user" do
      it "should assign the email address of the user" do
        order.run_callbacks(:create)
        order.email.should == user.email
      end

      it "should accept the sample admin email address" do
        user.stub :email => "<EMAIL>"
        order.run_callbacks(:create)
        order.email.should == user.email
      end

      it "should reject the automatic email for anonymous users" do
        user.stub :anonymous? => true
        order.email.should be_blank
      end

    end

    it "should destroy any line_items with zero quantity"
  end

  context "#next!" do
    context "when current state is confirm" do
      before { order.state = "confirm" }
      it "should finalize order when transitioning to complete state" do
        order.run_callbacks(:create)
        order.should_receive(:finalize!)
        order.next!
      end

       context "when credit card payment fails" do
         before do
           order.stub(:process_payments!).and_raise(Spree::Core::GatewayError)
         end

         context "when not configured to allow failed payments" do
            before do
              Spree::Config.set :allow_checkout_on_gateway_error => false
            end

            it "should not complete the order" do
               order.next
               order.state.should == "confirm"
             end
          end

         context "when configured to allow failed payments" do
           before do
             Spree::Config.set :allow_checkout_on_gateway_error => true
           end

           it "should complete the order" do
             pending
              order.next
              order.state.should == "complete"
            end

         end

       end
    end
    context "when current state is address" do
      let(:sales_tax) { mock_model Spree::Calculator::DefaultTax, :description => "Sales Tax" }
      let(:rate) { mock_model Spree::TaxRate, :amount => 10, :calculator => sales_tax }
      let(:rate_1) { mock_model Spree::TaxRate, :amount => 15, :calculator => sales_tax }

      before do
        order.email = user.email
        order.state = "address"
        Spree::TaxRate.stub :match => [rate, rate_1]
      end

      it "should create a tax charge when transitioning to delivery state" do
        [rate, rate_1].each { |r| r.should_receive(:adjust) }
        order.next!
      end

      context "when a tax charge already exists" do
        let(:old_charge) { mock_model Spree::Adjustment }
        before { order.stub_chain :adjustments, :tax => [old_charge] }

        it "should remove an existing tax charge (for the old rate)" do
          [rate, rate_1].each { |r| r.should_receive(:adjust) }
          old_charge.should_receive :destroy
          order.next
        end

        it "should remove an existing tax charge if there is no longer a relevant tax rate" do
          Spree::TaxRate.stub :match => []
          old_charge.stub :originator => mock_model(Spree::TaxRate)
          old_charge.should_receive :destroy
          order.next
        end
      end

    end

    context "when current state is delivery" do
      before do
        order.email = user.email
        order.state = "delivery"
        order.shipping_method = mock_model(Spree::ShippingMethod).as_null_object
        order.stub :total => 10.0
      end

      context "when transitioning to payment state" do
        before do
          order.inventory_units << Factory(:inventory_unit)
          order.shipping_method = Factory(:shipping_method)
        end

        it "should create a shipment" do
          order.should_receive(:create_shipment!)
          order.next!
          order.state.should == 'payment'
        end
      end
    end

  end

  context "#generate_order_number" do
    it "should generate a random string" do
      order.generate_order_number.is_a?(String).should be_true
      (order.generate_order_number.to_s.length > 0).should be_true
    end
  end

  context "#create" do
    it "should assign an order number" do
      order = Spree::Order.create
      order.number.should_not be_nil
    end
  end

  context "#finalize!" do
    let(:order) { Spree::Order.create }
    it "should set completed_at" do
      order.should_receive :completed_at=
      order.finalize!
    end
    it "should sell inventory units" do
      Spree::InventoryUnit.should_receive(:assign_opening_inventory).with(order)
      order.finalize!
    end
    it "should change the shipment state to ready if order is paid"

    after { Spree::Config.set :track_inventory_levels => true }
    it "should not sell inventory units if track_inventory_levels is false" do
      Spree::Config.set :track_inventory_levels => false
      Spree::InventoryUnit.should_not_receive(:sell_units)
      order.finalize!
    end

    it "should send an order confirmation email" do
      mail_message = mock "Mail::Message"
      Spree::OrderMailer.should_receive(:confirm_email).with(order).and_return mail_message
      mail_message.should_receive :deliver
      order.finalize!
    end

    it "should freeze optional adjustments" do
      Spree::OrderMailer.stub_chain :confirm_email, :deliver
      adjustment = mock_model(Spree::Adjustment)
      order.stub_chain :adjustments, :optional => [adjustment]
      adjustment.should_receive(:update_attribute).with("locked", true)
      order.finalize!
    end

    it "should log state event" do
      order.state_changes.should_receive(:create)
      order.finalize!
    end
  end

  context "#process_payments!" do
    it "should process the payments" do
      order.stub!(:payments).and_return([mock(Spree::Payment)])
      order.payment.should_receive(:process!)
      order.process_payments!
    end
  end

  context "#outstanding_balance" do
    it "should return positive amount when payment_total is less than total" do
      order.payment_total = 20.20
      order.total = 30.30
      order.outstanding_balance.should == 10.10
    end
    it "should return negative amount when payment_total is greater than total" do
      order.total = 8.20
      order.payment_total = 10.20
      order.outstanding_balance.should be_within(0.001).of(-2.00)
    end

  end

  context "#outstanding_balance?" do
    it "should be true when total greater than payment_total" do
      order.total = 10.10
      order.payment_total = 9.50
      order.outstanding_balance?.should be_true
    end
    it "should be true when total less than payment_total" do
      order.total = 8.25
      order.payment_total = 10.44
      order.outstanding_balance?.should be_true
    end
    it "should be false when total equals payment_total" do
      order.total = 10.10
      order.payment_total = 10.10
      order.outstanding_balance?.should be_false
    end
  end

  context "#outstanding_credit" do
  end

  context "#complete?" do
    it "should indicate if order is complete" do
      order.completed_at = nil
      order.complete?.should be_false

      order.completed_at = Time.now
      order.completed?.should be_true
    end
  end

  context "#backordered?" do
    it "should indicate whether any units in the order are backordered" do
      order.stub_chain(:inventory_units, :backorder).and_return []
      order.backordered?.should be_false
      order.stub_chain(:inventory_units, :backorder).and_return [mock_model(Spree::InventoryUnit)]
      order.backordered?.should be_true
    end

    it "should always be false when inventory tracking is disabled" do
      pending
      Spree::Config.set :track_inventory_levels => false
      order.stub_chain(:inventory_units, :backorder).and_return [mock_model(Spree::InventoryUnit)]
      order.backordered?.should be_false
    end
  end

  context "#update!" do
    # before { Order.should_receive :update_all }
    let(:line_items) { [mock_model(Spree::LineItem, :amount => 5) ]}
    
    context "when payments are sufficient" do
      it "should set payment_state to paid" do
        order.stub(:total => 100.01, :payment_total => 100.012343)
        order.stub(:line_items => line_items)
        order.update!
        order.payment_state.should == "paid"
      end
    end

    context "when payments are insufficient" do
      let(:payments) { mock "payments", :completed => [], :first => mock_model(Spree::Payment, :checkout? => false) }
      before { order.stub :total => 100, :payment_total => 50, :payments => payments }

      context "when last payment did not fail" do
        before { payments.stub :last => mock("payment", :state => 'pending') }
        it "should set payment_state to balance_due" do
          order.update!
          order.payment_state.should == "balance_due"
        end
      end

      context "when last payment failed" do
        before { payments.stub :last => mock("payment", :state => 'failed') }
        it "should set the payment_state to failed" do
          order.update!
          order.payment_state.should == "failed"
        end
      end
    end

    context "when payments are more than sufficient" do
      it "should set the payment_state to credit_owed" do
        order.stub(:total => 100, :payment_total => 150)
        order.stub(:line_items => line_items)
        order.update!
        order.payment_state.should == "credit_owed"
      end
    end

    context "when there are shipments" do
      let(:shipments) { [mock_model(Spree::Shipment, :update! => nil), mock_model(Spree::Shipment, :update! => nil)] }
      before do
        shipments.stub :shipped => []
        shipments.stub :ready => []
        shipments.stub :pending => []
        order.stub :shipments => shipments
      end

      it "should set the correct shipment_state (when all shipments are shipped)" do
        shipments.stub :shipped => [mock_model(Spree::Shipment), mock_model(Spree::Shipment)]
        order.update!
        order.shipment_state.should == "shipped"
      end

      it "should set the correct shipment_state (when some units are backordered)" do
        shipments.stub :shipped => [mock_model(Spree::Shipment)]
        order.stub(:backordered?).and_return true
        order.update!
        order.shipment_state.should == "backorder"
      end

      it "should set the shipment_state to partial (when some of the shipments have shipped)" do
        shipments.stub :shipped => [mock_model(Spree::Shipment)]
        shipments.stub :ready => [mock_model(Spree::Shipment)]
        order.update!
        order.shipment_state.should == "partial"
      end

      it "should set the correct shipment_state (when some of the shipments are ready)" do
        shipments.stub :ready => [mock_model(Spree::Shipment), mock_model(Spree::Shipment)]
        order.update!
        order.shipment_state.should == "ready"
      end

      it "should set the shipment_state to pending (when all shipments are pending)" do
        shipments.stub :pending => [mock_model(Spree::Shipment), mock_model(Spree::Shipment)]
        order.update!
        order.shipment_state.should == "pending"
      end
    end

    context "when there are update hooks" do
      before { Spree::Order.register_update_hook :foo }
      after { Spree::Order.update_hooks.clear }
      it "should call each of the update hooks" do
        order.should_receive :foo
        order.update!
      end
    end
    
    context "when there is a single checkout payment" do
      before { order.stub(:payment => mock_model(Spree::Payment, :checkout? => true, :amount => 11), :total => 22) }

      it "should update the payment amount to order total" do
        order.payment.should_receive(:update_attributes_without_callbacks).with(:amount => order.total)
        order.update!
      end
    end

    it "should set the correct shipment_state (when there are no shipments)" do
      order.update!
      order.shipment_state.should == nil
    end

    it "should call update_totals" do
      order.should_receive(:update_totals).twice
      order.update!
    end

    it "should call adjustment#update on every adjustment}" do
      # adjustment = mock_model(Adjustment, :amount => 5, :applicable? => true, :update! => true)
      adjustment = Factory(:adjustment, :adjustable => order, :amount => 5)
      # TODO: Restore this example. Stubbing adjustments doesn't work, need a proper collection
      # so we can use adjustments.eligible
      # order.stub(:adjustments => [adjustment])
      # order.adjustments.stub(:reload).and_return([adjustment])
      # adjustment.should_receive(:update!)
      # order.update!
    end

    it "should call update! on every shipment when Order#update!" do
      shipment = stub_model(Spree::Shipment, :order => order)
      order.stub :shipments => [shipment]
      order.stub(:update_shipment_state) # we don't care about this one

      shipment.should_receive(:update!)
      order.update!
    end
  end

  context "#update_totals" do
    it "should set item_total to the sum of line_item amounts" do
      line_items = [ mock_model(Spree::LineItem, :amount => 100), mock_model(Spree::LineItem, :amount => 50) ]
      order.stub(:line_items => line_items)
      order.update!
      order.item_total.should == 150
    end
    it "should set payments_total to the sum of completed payment amounts" do
      payments = [ mock_model(Spree::Payment, :amount => 100, :checkout? => false), mock_model(Spree::Payment, :amount => -10, :checkout? => false) ]
      payments.stub(:completed => payments)
      order.stub(:payments => payments)
      order.update!
      order.payment_total.should == 90
    end

    context "with adjustments" do
      before do
        Factory(:adjustment, :adjustable => order, :amount => 10)
        Factory(:adjustment, :adjustable => order, :amount => 5)
        a = Factory(:adjustment, :adjustable => order, :amount => -2, :eligible => false)
        a.update_attribute_without_callbacks(:eligible, false)
        order.stub(:update_adjustments, nil) # So the last adjustment remains ineligible
        order.adjustments.reload
      end
      it "should set adjustment_total to the sum of the eligible adjustment amounts" do
        order.update!
        order.adjustment_total.to_i.should == 15
      end
      it "should set the total to the sum of item and adjustment totals" do
        line_items = [ mock_model(Spree::LineItem, :amount => 100), mock_model(Spree::LineItem, :amount => 50) ]
        order.stub(:line_items => line_items)
        order.update!
        order.total.to_i.should == 165
      end
    end

  end

  context "#update_payment_state" do    
    it "should set payment_state to balance_due if no line_item" do
      order.stub(:line_items => [])
      order.update!
      order.payment_state.should == "balance_due"
    end    
  end

  context "#payment_method" do
    it "should return payment.payment_method if payment is present" do
      payments = [Factory(:payment)]
      payments.stub(:completed => payments)
      order.stub(:payments => payments)
      order.payment_method.should == order.payments.first.payment_method
    end

    it "should return the first payment method from available_payment_methods if payment is not present" do
      Factory(:payment_method, :environment => 'test')
      order.payment_method.should == order.available_payment_methods.first
    end
  end

  context "#allow_checkout?" do
    it "should be true if there are line_items in the order" do
      order.stub_chain(:line_items, :count => 1)
      order.checkout_allowed?.should be_true
    end
    it "should be false if there are no line_items in the order" do
      order.stub_chain(:line_items, :count => 0)
      order.checkout_allowed?.should be_false
    end
  end

  context "item_count" do
    it "should return the correct number of items" do
      line_items = [ mock_model(Spree::LineItem, :quantity => 2), mock_model(Spree::LineItem, :quantity => 1) ]
      order.stub :line_items => line_items
      order.item_count.should == 3
    end
  end

  context "in the cart state" do
    it "should not validate email address" do
      order.state = "cart"
      order.email = nil
      order.should be_valid
    end
  end

  context "#can_cancel?" do

    %w(pending backorder ready).each do |shipment_state|
      it "should be true if shipment_state is #{shipment_state}" do
        order.stub :completed? => true
        order.shipment_state = shipment_state
        order.can_cancel?.should be_true
      end
    end

    (SHIPMENT_STATES - %w(pending backorder ready)).each do |shipment_state|
      it "should be false if shipment_state is #{shipment_state}" do
        order.stub :completed? => true
        order.shipment_state = shipment_state
        order.can_cancel?.should be_false
      end
    end

  end

  context "#cancel" do
    let!(:variant) { stub_model(Spree::Variant, :on_hand => 0) }
    let!(:inventory_unit) { stub_model(Spree::InventoryUnit, :variant => variant) }
    let!(:shipment) do
      shipment = stub_model(Spree::Shipment)
      shipment.stub :inventory_units => [inventory_unit]
      order.stub :shipments => [shipment]
      shipment
    end

    before do
      order.email = user.email
      order.stub :line_items => [stub_model(Spree::LineItem, :variant => variant, :quantity => 1)]
      order.line_items.stub :find_by_variant_id => order.line_items.first

      order.stub :completed? => true
      order.stub :allow_cancel? => true
    end

    it "should send a cancel email" do
      order.stub :restock_items!
      mail_message = mock "Mail::Message"
      Spree::OrderMailer.should_receive(:cancel_email).with(order).and_return mail_message
      mail_message.should_receive :deliver
      order.cancel!
    end

    context "restocking inventory" do
      before do
        shipment.stub(:ensure_correct_adjustment)
        shipment.stub(:update_order)
        Spree::OrderMailer.stub(:cancel_email).and_return(mail_message = stub)
        mail_message.stub :deliver
      end

      # Regression fix for #729
      specify do
        Spree::InventoryUnit.should_receive(:decrease).with(order, variant, 1)
        order.cancel!
      end

    end

    it "should change shipment status (unless shipped)"
  end


  # Another regression test for #729
  context "#resume" do
    before do
      order.stub :email => "<EMAIL>"
      order.stub :state => "canceled"
      order.stub :allow_resume? => true
    end

    it "should send a resume email" do
      pending "Pending test for #818"
      order.stub :unstock_items!
      order.resume!
    end

    context "unstocks inventory" do
      let(:variant) { stub_model(Spree::Variant) }

      before do
        shipment = stub_model(Spree::Shipment)
        line_item = stub_model(Spree::LineItem, :variant => variant, :quantity => 1)
        order.stub :line_items => [line_item]
        order.line_items.stub :find_by_variant_id => line_item

        order.stub :shipments => [shipment]
        shipment.stub :inventory_units => [stub_model(Spree::InventoryUnit, :variant => variant)]
      end

      specify do
        Spree::InventoryUnit.should_receive(:increase).with(order, variant, 1)
        order.resume!
      end
    end

  end

  context "with adjustments" do
    let(:adjustment1) { mock_model(Spree::Adjustment, :amount => 5) }
    let(:adjustment2) { mock_model(Spree::Adjustment, :amount => 10) }

    context "#ship_total" do
      it "should return the correct amount" do
        order.stub_chain :adjustments, :shipping => [adjustment1, adjustment2]
        order.ship_total.should == 15
      end
    end

    context "#tax_total" do
      it "should return the correct amount" do
        order.stub_chain :adjustments, :tax => [adjustment1, adjustment2]
        order.tax_total.should == 15
      end
    end
  end

  context "#can_cancel?" do
    it "should be false for completed order in the canceled state" do
      order.state = 'canceled'
      order.shipment_state = 'ready'
      order.completed_at = Time.now
      order.can_cancel?.should be_false
    end
  end

  context "rate_hash" do
    let(:shipping_method_1) { mock_model Spree::ShippingMethod, :name => 'Air Shipping', :id => 1, :calculator => mock('calculator') }
    let(:shipping_method_2) { mock_model Spree::ShippingMethod, :name => 'Ground Shipping', :id => 2, :calculator => mock('calculator') }

    before do
      shipping_method_1.calculator.stub(:compute).and_return(10.0)
      shipping_method_2.calculator.stub(:compute).and_return(0.0)
      order.stub(:available_shipping_methods => [ shipping_method_1, shipping_method_2 ])
    end

    it "should return shipping methods sorted by cost" do
      order.rate_hash.should == [{:shipping_method => shipping_method_2, :cost => 0.0, :name => "Ground Shipping", :id => 2},
                                  {:shipping_method => shipping_method_1, :cost => 10.0, :name => "Air Shipping", :id => 1}]
    end

    it "should not return shipping methods with nil cost" do
      shipping_method_1.calculator.stub(:compute).and_return(nil)
      order.rate_hash.should == [{:shipping_method => shipping_method_2, :cost => 0.0, :name => "Ground Shipping", :id => 2}]
    end

  end

  context "insufficient_stock_lines" do
    let(:line_item) { mock_model Spree::LineItem, :insufficient_stock? => true }

    before { order.stub(:line_items => [line_item]) }

    it "should return line_item that has insufficent stock on hand" do
      order.insufficient_stock_lines.size.should == 1
      order.insufficient_stock_lines.include?(line_item).should be_true
    end

  end

  context "create_tax_charge!" do

    before do
      @order = Spree::Order.new
    end

    it "should destroy all previous tax adjustments" do
      adjustment = mock_model(Spree::Adjustment, :amount => 5, :calculator => :sales_tax)
      adjustment.should_receive :destroy

      @order.stub_chain :adjustments, :tax => [adjustment]
      @order.create_tax_charge!
    end

    it "should destroy all price adjustments" do
      adjustment = mock_model(Spree::Adjustment, :amount => 5, :calculator => :sales_tax)
      adjustment.should_receive :destroy

      @order.stub :price_adjustments => [adjustment]
      @order.create_tax_charge!
    end

  end

  context "#tax_zone" do
    let(:bill_address) { Factory :address }
    let(:ship_address) { Factory :address }
    let(:order) { Spree::Order.create(:ship_address => ship_address, :bill_address => bill_address) }
    let(:zone) { Factory :zone }

    context "when no zones exist" do
      before { Spree::Zone.destroy_all }

      it "should return nil" do
        order.tax_zone.should be_nil
      end
    end

    context "when :tax_using_ship_address => true" do
      before { Spree::Config.set(:tax_using_ship_address => true) }

      it "should calculate using ship_address" do
        Spree::Zone.should_receive(:match).at_least(:once).with(ship_address)
        Spree::Zone.should_not_receive(:match).with(bill_address)
        order.tax_zone
      end
    end

    context "when :tax_using_ship_address => false" do
      before { Spree::Config.set(:tax_using_ship_address => false) }

      it "should calculate using bill_address" do
        Spree::Zone.should_receive(:match).at_least(:once).with(bill_address)
        Spree::Zone.should_not_receive(:match).with(ship_address)
        order.tax_zone
      end
    end

    context "when there is a default tax zone" do
      before do
        @default_zone = Factory(:zone, :name => "foo_zone")
        Spree::Zone.stub :default_tax => @default_zone
      end

      context "when there is a matching zone" do
        before { Spree::Zone.stub(:match => zone) }

        it "should return the matching zone" do
          order.tax_zone.should == zone
        end
      end

      context "when there is no matching zone" do
        before { Spree::Zone.stub(:match => nil) }

        it "should return the default tax zone" do
          order.tax_zone.should == @default_zone
        end
      end
    end

    context "when no default tax zone" do
      before { Spree::Zone.stub :default_tax => nil }

      context "when there is a matching zone" do
        before { Spree::Zone.stub(:match => zone) }

        it "should return the matching zone" do
          order.tax_zone.should == zone
        end
      end

      context "when there is no matching zone" do
        before { Spree::Zone.stub(:match => nil) }

        it "should return nil" do
          order.tax_zone.should be_nil
        end
      end
    end
  end

  context "#price_adjustments" do
    before do
      @order = Spree::Order.create!
      @order.stub :line_items => [line_item1, line_item2]
    end

    let(:line_item1) { Factory(:line_item, :order => @order) }
    let(:line_item2) { Factory(:line_item, :order => @order) }

    context "when there are no line item adjustments" do
      it "should return nothing if line items have no adjustments" do
        @order.price_adjustments.should be_empty
      end
    end

    context "when only one line item has adjustments" do
      before do
        @adj1 = line_item1.adjustments.create(:amount => 2, :source => line_item1, :label => "VAT 5%")
        @adj2 = line_item1.adjustments.create(:amount => 5, :source => line_item1, :label => "VAT 10%")
      end

      it "should return the adjustments for that line item" do
         @order.price_adjustments.should == [@adj1, @adj2]
      end
    end

    context "when more than one line item has adjustments" do
      before do
        @adj1 = line_item1.adjustments.create(:amount => 2, :source => line_item1, :label => "VAT 5%")
        @adj2 = line_item2.adjustments.create(:amount => 5, :source => line_item2, :label => "VAT 10%")
      end

      it "should return the adjustments for each line item" do
        @order.price_adjustments.should == [@adj1, @adj2]
      end
    end
  end

  context "#price_adjustment_totals" do
    before { @order = Spree::Order.create! }


    context "when there are no price adjustments" do
      before { @order.stub :price_adjustments => [] }

      it "should return an empty hash" do
        @order.price_adjustment_totals.should == {}
      end
    end

    context "when there are two adjustments with different labels" do
      let(:adj1) { mock_model Spree::Adjustment, :amount => 10, :label => "Foo" }
      let(:adj2) { mock_model Spree::Adjustment, :amount => 20, :label => "Bar" }

      before do
        @order.stub :price_adjustments => [adj1, adj2]
      end

      it "should return exactly two totals" do
        @order.price_adjustment_totals.size.should == 2
      end

      it "should return the correct totals" do
        @order.price_adjustment_totals["Foo"].should == 10
        @order.price_adjustment_totals["Bar"].should == 20
      end
    end

    context "when there are two adjustments with one label and a single adjustment with another" do
      let(:adj1) { mock_model Spree::Adjustment, :amount => 10, :label => "Foo" }
      let(:adj2) { mock_model Spree::Adjustment, :amount => 20, :label => "Bar" }
      let(:adj3) { mock_model Spree::Adjustment, :amount => 40, :label => "Bar" }

      before do
        @order.stub :price_adjustments => [adj1, adj2, adj3]
      end

      it "should return exactly two totals" do
        @order.price_adjustment_totals.size.should == 2
      end
      it "should return the correct totals" do
        @order.price_adjustment_totals["Foo"].should == 10
        @order.price_adjustment_totals["Bar"].should == 60
      end
    end
  end

  context "#exclude_tax?" do
    before do
      @order = Factory(:order)
      @default_zone = Factory(:zone)
      Spree::Zone.stub :default_tax => @default_zone
    end

    context "when prices include tax" do
      before { Spree::Config.set(:prices_inc_tax => true) }

      it "should be true when tax_zone is not the same as the default" do
        @order.stub :tax_zone => Factory(:zone, :name => "other_zone")
        @order.exclude_tax?.should be_true
      end

      it "should be false when tax_zone is the same as the default" do
        @order.stub :tax_zone => @default_zone
        @order.exclude_tax?.should be_false
      end
    end

    context "when prices do not include tax" do
      before { Spree::Config.set(:prices_inc_tax => false) }

      it "should be false" do
        @order.exclude_tax?.should be_false
      end
    end
  end

end
<commit_msg>Don't require @order.price_adjustments to be in any particlar order in 'should return the adjustments for that line item' test in order_spec.rb<commit_after>require 'spec_helper'

class FakeCalculator < Spree::Calculator
  def compute(computable)
    5
  end
end

describe Spree::Order do
  before(:each) do
    reset_spree_preferences
    Spree::Gateway::Test.create(:name => 'Test', :active => true, :environment => 'test', :description => 'foofah')
  end

  context 'validation' do
    it { should have_valid_factory(:order) }

    context "when @use_billing is populated" do
      before do
        order.bill_address = Factory(:address)
        order.ship_address = nil
      end

      context "with true" do
        before { order.use_billing = true }

        it "clones the bill address to the ship address" do
          order.valid?
          order.ship_address.should == order.bill_address
        end
      end

      context "with 'true'" do
        before { order.use_billing = 'true' }

        it "clones the bill address to the shipping" do
          order.valid?
          order.ship_address.should == order.bill_address
        end
      end

      context "with '1'" do
        before { order.use_billing = '1' }

        it "clones the bill address to the shipping" do
          order.valid?
          order.ship_address.should == order.bill_address
        end
      end

      context "with something other than a 'truthful' value" do
        before { order.use_billing = '0' }

        it "does not clone the bill address to the shipping" do
          order.valid?
          order.ship_address.should be_nil
        end
      end
    end
  end

  let(:user) { stub_model(Spree::User, :email => "<EMAIL>") }
  let(:order) { stub_model(Spree::Order, :user => user) }
  let(:gateway) { Spree::Gateway::Bogus.new(:name => "Credit Card", :active => true) }

  before do
    Spree::Gateway.stub :current => gateway
    Spree::User.stub(:current => mock_model(Spree::User, :id => 123))
  end

  context "#products" do
    before :each do
      @variant1 = mock_model(Spree::Variant, :product => "product1")
      @variant2 = mock_model(Spree::Variant, :product => "product2")
      @line_items = [mock_model(Spree::LineItem, :variant => @variant1, :variant_id => @variant1.id, :quantity => 1),
                     mock_model(Spree::LineItem, :variant => @variant2, :variant_id => @variant2.id, :quantity => 2)]
      order.stub(:line_items => @line_items)
    end

    it "should return ordered products" do
      order.products.should == ['product1', 'product2']
    end

    it "contains?" do
      order.contains?(@variant1).should be_true
    end

    it "gets the quantity of a given variant" do
      order.quantity_of(@variant1).should == 1

      @variant3 = mock_model(Spree::Variant, :product => "product3")
      order.quantity_of(@variant3).should == 0
    end
  end

  context "#save" do
    it "should create guest user (when no user assigned)" do
      order.run_callbacks(:create)
      order.user.should_not be_nil
    end

    context "when associated with a registered user" do
      it "should assign the email address of the user" do
        order.run_callbacks(:create)
        order.email.should == user.email
      end

      it "should accept the sample admin email address" do
        user.stub :email => "<EMAIL>"
        order.run_callbacks(:create)
        order.email.should == user.email
      end

      it "should reject the automatic email for anonymous users" do
        user.stub :anonymous? => true
        order.email.should be_blank
      end

    end

    it "should destroy any line_items with zero quantity"
  end

  context "#next!" do
    context "when current state is confirm" do
      before { order.state = "confirm" }
      it "should finalize order when transitioning to complete state" do
        order.run_callbacks(:create)
        order.should_receive(:finalize!)
        order.next!
      end

       context "when credit card payment fails" do
         before do
           order.stub(:process_payments!).and_raise(Spree::Core::GatewayError)
         end

         context "when not configured to allow failed payments" do
            before do
              Spree::Config.set :allow_checkout_on_gateway_error => false
            end

            it "should not complete the order" do
               order.next
               order.state.should == "confirm"
             end
          end

         context "when configured to allow failed payments" do
           before do
             Spree::Config.set :allow_checkout_on_gateway_error => true
           end

           it "should complete the order" do
             pending
              order.next
              order.state.should == "complete"
            end

         end

       end
    end
    context "when current state is address" do
      let(:sales_tax) { mock_model Spree::Calculator::DefaultTax, :description => "Sales Tax" }
      let(:rate) { mock_model Spree::TaxRate, :amount => 10, :calculator => sales_tax }
      let(:rate_1) { mock_model Spree::TaxRate, :amount => 15, :calculator => sales_tax }

      before do
        order.email = user.email
        order.state = "address"
        Spree::TaxRate.stub :match => [rate, rate_1]
      end

      it "should create a tax charge when transitioning to delivery state" do
        [rate, rate_1].each { |r| r.should_receive(:adjust) }
        order.next!
      end

      context "when a tax charge already exists" do
        let(:old_charge) { mock_model Spree::Adjustment }
        before { order.stub_chain :adjustments, :tax => [old_charge] }

        it "should remove an existing tax charge (for the old rate)" do
          [rate, rate_1].each { |r| r.should_receive(:adjust) }
          old_charge.should_receive :destroy
          order.next
        end

        it "should remove an existing tax charge if there is no longer a relevant tax rate" do
          Spree::TaxRate.stub :match => []
          old_charge.stub :originator => mock_model(Spree::TaxRate)
          old_charge.should_receive :destroy
          order.next
        end
      end

    end

    context "when current state is delivery" do
      before do
        order.email = user.email
        order.state = "delivery"
        order.shipping_method = mock_model(Spree::ShippingMethod).as_null_object
        order.stub :total => 10.0
      end

      context "when transitioning to payment state" do
        before do
          order.inventory_units << Factory(:inventory_unit)
          order.shipping_method = Factory(:shipping_method)
        end

        it "should create a shipment" do
          order.should_receive(:create_shipment!)
          order.next!
          order.state.should == 'payment'
        end
      end
    end

  end

  context "#generate_order_number" do
    it "should generate a random string" do
      order.generate_order_number.is_a?(String).should be_true
      (order.generate_order_number.to_s.length > 0).should be_true
    end
  end

  context "#create" do
    it "should assign an order number" do
      order = Spree::Order.create
      order.number.should_not be_nil
    end
  end

  context "#finalize!" do
    let(:order) { Spree::Order.create }
    it "should set completed_at" do
      order.should_receive :completed_at=
      order.finalize!
    end
    it "should sell inventory units" do
      Spree::InventoryUnit.should_receive(:assign_opening_inventory).with(order)
      order.finalize!
    end
    it "should change the shipment state to ready if order is paid"

    after { Spree::Config.set :track_inventory_levels => true }
    it "should not sell inventory units if track_inventory_levels is false" do
      Spree::Config.set :track_inventory_levels => false
      Spree::InventoryUnit.should_not_receive(:sell_units)
      order.finalize!
    end

    it "should send an order confirmation email" do
      mail_message = mock "Mail::Message"
      Spree::OrderMailer.should_receive(:confirm_email).with(order).and_return mail_message
      mail_message.should_receive :deliver
      order.finalize!
    end

    it "should freeze optional adjustments" do
      Spree::OrderMailer.stub_chain :confirm_email, :deliver
      adjustment = mock_model(Spree::Adjustment)
      order.stub_chain :adjustments, :optional => [adjustment]
      adjustment.should_receive(:update_attribute).with("locked", true)
      order.finalize!
    end

    it "should log state event" do
      order.state_changes.should_receive(:create)
      order.finalize!
    end
  end

  context "#process_payments!" do
    it "should process the payments" do
      order.stub!(:payments).and_return([mock(Spree::Payment)])
      order.payment.should_receive(:process!)
      order.process_payments!
    end
  end

  context "#outstanding_balance" do
    it "should return positive amount when payment_total is less than total" do
      order.payment_total = 20.20
      order.total = 30.30
      order.outstanding_balance.should == 10.10
    end
    it "should return negative amount when payment_total is greater than total" do
      order.total = 8.20
      order.payment_total = 10.20
      order.outstanding_balance.should be_within(0.001).of(-2.00)
    end

  end

  context "#outstanding_balance?" do
    it "should be true when total greater than payment_total" do
      order.total = 10.10
      order.payment_total = 9.50
      order.outstanding_balance?.should be_true
    end
    it "should be true when total less than payment_total" do
      order.total = 8.25
      order.payment_total = 10.44
      order.outstanding_balance?.should be_true
    end
    it "should be false when total equals payment_total" do
      order.total = 10.10
      order.payment_total = 10.10
      order.outstanding_balance?.should be_false
    end
  end

  context "#outstanding_credit" do
  end

  context "#complete?" do
    it "should indicate if order is complete" do
      order.completed_at = nil
      order.complete?.should be_false

      order.completed_at = Time.now
      order.completed?.should be_true
    end
  end

  context "#backordered?" do
    it "should indicate whether any units in the order are backordered" do
      order.stub_chain(:inventory_units, :backorder).and_return []
      order.backordered?.should be_false
      order.stub_chain(:inventory_units, :backorder).and_return [mock_model(Spree::InventoryUnit)]
      order.backordered?.should be_true
    end

    it "should always be false when inventory tracking is disabled" do
      pending
      Spree::Config.set :track_inventory_levels => false
      order.stub_chain(:inventory_units, :backorder).and_return [mock_model(Spree::InventoryUnit)]
      order.backordered?.should be_false
    end
  end

  context "#update!" do
    # before { Order.should_receive :update_all }
    let(:line_items) { [mock_model(Spree::LineItem, :amount => 5) ]}
    
    context "when payments are sufficient" do
      it "should set payment_state to paid" do
        order.stub(:total => 100.01, :payment_total => 100.012343)
        order.stub(:line_items => line_items)
        order.update!
        order.payment_state.should == "paid"
      end
    end

    context "when payments are insufficient" do
      let(:payments) { mock "payments", :completed => [], :first => mock_model(Spree::Payment, :checkout? => false) }
      before { order.stub :total => 100, :payment_total => 50, :payments => payments }

      context "when last payment did not fail" do
        before { payments.stub :last => mock("payment", :state => 'pending') }
        it "should set payment_state to balance_due" do
          order.update!
          order.payment_state.should == "balance_due"
        end
      end

      context "when last payment failed" do
        before { payments.stub :last => mock("payment", :state => 'failed') }
        it "should set the payment_state to failed" do
          order.update!
          order.payment_state.should == "failed"
        end
      end
    end

    context "when payments are more than sufficient" do
      it "should set the payment_state to credit_owed" do
        order.stub(:total => 100, :payment_total => 150)
        order.stub(:line_items => line_items)
        order.update!
        order.payment_state.should == "credit_owed"
      end
    end

    context "when there are shipments" do
      let(:shipments) { [mock_model(Spree::Shipment, :update! => nil), mock_model(Spree::Shipment, :update! => nil)] }
      before do
        shipments.stub :shipped => []
        shipments.stub :ready => []
        shipments.stub :pending => []
        order.stub :shipments => shipments
      end

      it "should set the correct shipment_state (when all shipments are shipped)" do
        shipments.stub :shipped => [mock_model(Spree::Shipment), mock_model(Spree::Shipment)]
        order.update!
        order.shipment_state.should == "shipped"
      end

      it "should set the correct shipment_state (when some units are backordered)" do
        shipments.stub :shipped => [mock_model(Spree::Shipment)]
        order.stub(:backordered?).and_return true
        order.update!
        order.shipment_state.should == "backorder"
      end

      it "should set the shipment_state to partial (when some of the shipments have shipped)" do
        shipments.stub :shipped => [mock_model(Spree::Shipment)]
        shipments.stub :ready => [mock_model(Spree::Shipment)]
        order.update!
        order.shipment_state.should == "partial"
      end

      it "should set the correct shipment_state (when some of the shipments are ready)" do
        shipments.stub :ready => [mock_model(Spree::Shipment), mock_model(Spree::Shipment)]
        order.update!
        order.shipment_state.should == "ready"
      end

      it "should set the shipment_state to pending (when all shipments are pending)" do
        shipments.stub :pending => [mock_model(Spree::Shipment), mock_model(Spree::Shipment)]
        order.update!
        order.shipment_state.should == "pending"
      end
    end

    context "when there are update hooks" do
      before { Spree::Order.register_update_hook :foo }
      after { Spree::Order.update_hooks.clear }
      it "should call each of the update hooks" do
        order.should_receive :foo
        order.update!
      end
    end
    
    context "when there is a single checkout payment" do
      before { order.stub(:payment => mock_model(Spree::Payment, :checkout? => true, :amount => 11), :total => 22) }

      it "should update the payment amount to order total" do
        order.payment.should_receive(:update_attributes_without_callbacks).with(:amount => order.total)
        order.update!
      end
    end

    it "should set the correct shipment_state (when there are no shipments)" do
      order.update!
      order.shipment_state.should == nil
    end

    it "should call update_totals" do
      order.should_receive(:update_totals).twice
      order.update!
    end

    it "should call adjustment#update on every adjustment}" do
      # adjustment = mock_model(Adjustment, :amount => 5, :applicable? => true, :update! => true)
      adjustment = Factory(:adjustment, :adjustable => order, :amount => 5)
      # TODO: Restore this example. Stubbing adjustments doesn't work, need a proper collection
      # so we can use adjustments.eligible
      # order.stub(:adjustments => [adjustment])
      # order.adjustments.stub(:reload).and_return([adjustment])
      # adjustment.should_receive(:update!)
      # order.update!
    end

    it "should call update! on every shipment when Order#update!" do
      shipment = stub_model(Spree::Shipment, :order => order)
      order.stub :shipments => [shipment]
      order.stub(:update_shipment_state) # we don't care about this one

      shipment.should_receive(:update!)
      order.update!
    end
  end

  context "#update_totals" do
    it "should set item_total to the sum of line_item amounts" do
      line_items = [ mock_model(Spree::LineItem, :amount => 100), mock_model(Spree::LineItem, :amount => 50) ]
      order.stub(:line_items => line_items)
      order.update!
      order.item_total.should == 150
    end
    it "should set payments_total to the sum of completed payment amounts" do
      payments = [ mock_model(Spree::Payment, :amount => 100, :checkout? => false), mock_model(Spree::Payment, :amount => -10, :checkout? => false) ]
      payments.stub(:completed => payments)
      order.stub(:payments => payments)
      order.update!
      order.payment_total.should == 90
    end

    context "with adjustments" do
      before do
        Factory(:adjustment, :adjustable => order, :amount => 10)
        Factory(:adjustment, :adjustable => order, :amount => 5)
        a = Factory(:adjustment, :adjustable => order, :amount => -2, :eligible => false)
        a.update_attribute_without_callbacks(:eligible, false)
        order.stub(:update_adjustments, nil) # So the last adjustment remains ineligible
        order.adjustments.reload
      end
      it "should set adjustment_total to the sum of the eligible adjustment amounts" do
        order.update!
        order.adjustment_total.to_i.should == 15
      end
      it "should set the total to the sum of item and adjustment totals" do
        line_items = [ mock_model(Spree::LineItem, :amount => 100), mock_model(Spree::LineItem, :amount => 50) ]
        order.stub(:line_items => line_items)
        order.update!
        order.total.to_i.should == 165
      end
    end

  end

  context "#update_payment_state" do    
    it "should set payment_state to balance_due if no line_item" do
      order.stub(:line_items => [])
      order.update!
      order.payment_state.should == "balance_due"
    end    
  end

  context "#payment_method" do
    it "should return payment.payment_method if payment is present" do
      payments = [Factory(:payment)]
      payments.stub(:completed => payments)
      order.stub(:payments => payments)
      order.payment_method.should == order.payments.first.payment_method
    end

    it "should return the first payment method from available_payment_methods if payment is not present" do
      Factory(:payment_method, :environment => 'test')
      order.payment_method.should == order.available_payment_methods.first
    end
  end

  context "#allow_checkout?" do
    it "should be true if there are line_items in the order" do
      order.stub_chain(:line_items, :count => 1)
      order.checkout_allowed?.should be_true
    end
    it "should be false if there are no line_items in the order" do
      order.stub_chain(:line_items, :count => 0)
      order.checkout_allowed?.should be_false
    end
  end

  context "item_count" do
    it "should return the correct number of items" do
      line_items = [ mock_model(Spree::LineItem, :quantity => 2), mock_model(Spree::LineItem, :quantity => 1) ]
      order.stub :line_items => line_items
      order.item_count.should == 3
    end
  end

  context "in the cart state" do
    it "should not validate email address" do
      order.state = "cart"
      order.email = nil
      order.should be_valid
    end
  end

  context "#can_cancel?" do

    %w(pending backorder ready).each do |shipment_state|
      it "should be true if shipment_state is #{shipment_state}" do
        order.stub :completed? => true
        order.shipment_state = shipment_state
        order.can_cancel?.should be_true
      end
    end

    (SHIPMENT_STATES - %w(pending backorder ready)).each do |shipment_state|
      it "should be false if shipment_state is #{shipment_state}" do
        order.stub :completed? => true
        order.shipment_state = shipment_state
        order.can_cancel?.should be_false
      end
    end

  end

  context "#cancel" do
    let!(:variant) { stub_model(Spree::Variant, :on_hand => 0) }
    let!(:inventory_unit) { stub_model(Spree::InventoryUnit, :variant => variant) }
    let!(:shipment) do
      shipment = stub_model(Spree::Shipment)
      shipment.stub :inventory_units => [inventory_unit]
      order.stub :shipments => [shipment]
      shipment
    end

    before do
      order.email = user.email
      order.stub :line_items => [stub_model(Spree::LineItem, :variant => variant, :quantity => 1)]
      order.line_items.stub :find_by_variant_id => order.line_items.first

      order.stub :completed? => true
      order.stub :allow_cancel? => true
    end

    it "should send a cancel email" do
      order.stub :restock_items!
      mail_message = mock "Mail::Message"
      Spree::OrderMailer.should_receive(:cancel_email).with(order).and_return mail_message
      mail_message.should_receive :deliver
      order.cancel!
    end

    context "restocking inventory" do
      before do
        shipment.stub(:ensure_correct_adjustment)
        shipment.stub(:update_order)
        Spree::OrderMailer.stub(:cancel_email).and_return(mail_message = stub)
        mail_message.stub :deliver
      end

      # Regression fix for #729
      specify do
        Spree::InventoryUnit.should_receive(:decrease).with(order, variant, 1)
        order.cancel!
      end

    end

    it "should change shipment status (unless shipped)"
  end


  # Another regression test for #729
  context "#resume" do
    before do
      order.stub :email => "<EMAIL>"
      order.stub :state => "canceled"
      order.stub :allow_resume? => true
    end

    it "should send a resume email" do
      pending "Pending test for #818"
      order.stub :unstock_items!
      order.resume!
    end

    context "unstocks inventory" do
      let(:variant) { stub_model(Spree::Variant) }

      before do
        shipment = stub_model(Spree::Shipment)
        line_item = stub_model(Spree::LineItem, :variant => variant, :quantity => 1)
        order.stub :line_items => [line_item]
        order.line_items.stub :find_by_variant_id => line_item

        order.stub :shipments => [shipment]
        shipment.stub :inventory_units => [stub_model(Spree::InventoryUnit, :variant => variant)]
      end

      specify do
        Spree::InventoryUnit.should_receive(:increase).with(order, variant, 1)
        order.resume!
      end
    end

  end

  context "with adjustments" do
    let(:adjustment1) { mock_model(Spree::Adjustment, :amount => 5) }
    let(:adjustment2) { mock_model(Spree::Adjustment, :amount => 10) }

    context "#ship_total" do
      it "should return the correct amount" do
        order.stub_chain :adjustments, :shipping => [adjustment1, adjustment2]
        order.ship_total.should == 15
      end
    end

    context "#tax_total" do
      it "should return the correct amount" do
        order.stub_chain :adjustments, :tax => [adjustment1, adjustment2]
        order.tax_total.should == 15
      end
    end
  end

  context "#can_cancel?" do
    it "should be false for completed order in the canceled state" do
      order.state = 'canceled'
      order.shipment_state = 'ready'
      order.completed_at = Time.now
      order.can_cancel?.should be_false
    end
  end

  context "rate_hash" do
    let(:shipping_method_1) { mock_model Spree::ShippingMethod, :name => 'Air Shipping', :id => 1, :calculator => mock('calculator') }
    let(:shipping_method_2) { mock_model Spree::ShippingMethod, :name => 'Ground Shipping', :id => 2, :calculator => mock('calculator') }

    before do
      shipping_method_1.calculator.stub(:compute).and_return(10.0)
      shipping_method_2.calculator.stub(:compute).and_return(0.0)
      order.stub(:available_shipping_methods => [ shipping_method_1, shipping_method_2 ])
    end

    it "should return shipping methods sorted by cost" do
      order.rate_hash.should == [{:shipping_method => shipping_method_2, :cost => 0.0, :name => "Ground Shipping", :id => 2},
                                  {:shipping_method => shipping_method_1, :cost => 10.0, :name => "Air Shipping", :id => 1}]
    end

    it "should not return shipping methods with nil cost" do
      shipping_method_1.calculator.stub(:compute).and_return(nil)
      order.rate_hash.should == [{:shipping_method => shipping_method_2, :cost => 0.0, :name => "Ground Shipping", :id => 2}]
    end

  end

  context "insufficient_stock_lines" do
    let(:line_item) { mock_model Spree::LineItem, :insufficient_stock? => true }

    before { order.stub(:line_items => [line_item]) }

    it "should return line_item that has insufficent stock on hand" do
      order.insufficient_stock_lines.size.should == 1
      order.insufficient_stock_lines.include?(line_item).should be_true
    end

  end

  context "create_tax_charge!" do

    before do
      @order = Spree::Order.new
    end

    it "should destroy all previous tax adjustments" do
      adjustment = mock_model(Spree::Adjustment, :amount => 5, :calculator => :sales_tax)
      adjustment.should_receive :destroy

      @order.stub_chain :adjustments, :tax => [adjustment]
      @order.create_tax_charge!
    end

    it "should destroy all price adjustments" do
      adjustment = mock_model(Spree::Adjustment, :amount => 5, :calculator => :sales_tax)
      adjustment.should_receive :destroy

      @order.stub :price_adjustments => [adjustment]
      @order.create_tax_charge!
    end

  end

  context "#tax_zone" do
    let(:bill_address) { Factory :address }
    let(:ship_address) { Factory :address }
    let(:order) { Spree::Order.create(:ship_address => ship_address, :bill_address => bill_address) }
    let(:zone) { Factory :zone }

    context "when no zones exist" do
      before { Spree::Zone.destroy_all }

      it "should return nil" do
        order.tax_zone.should be_nil
      end
    end

    context "when :tax_using_ship_address => true" do
      before { Spree::Config.set(:tax_using_ship_address => true) }

      it "should calculate using ship_address" do
        Spree::Zone.should_receive(:match).at_least(:once).with(ship_address)
        Spree::Zone.should_not_receive(:match).with(bill_address)
        order.tax_zone
      end
    end

    context "when :tax_using_ship_address => false" do
      before { Spree::Config.set(:tax_using_ship_address => false) }

      it "should calculate using bill_address" do
        Spree::Zone.should_receive(:match).at_least(:once).with(bill_address)
        Spree::Zone.should_not_receive(:match).with(ship_address)
        order.tax_zone
      end
    end

    context "when there is a default tax zone" do
      before do
        @default_zone = Factory(:zone, :name => "foo_zone")
        Spree::Zone.stub :default_tax => @default_zone
      end

      context "when there is a matching zone" do
        before { Spree::Zone.stub(:match => zone) }

        it "should return the matching zone" do
          order.tax_zone.should == zone
        end
      end

      context "when there is no matching zone" do
        before { Spree::Zone.stub(:match => nil) }

        it "should return the default tax zone" do
          order.tax_zone.should == @default_zone
        end
      end
    end

    context "when no default tax zone" do
      before { Spree::Zone.stub :default_tax => nil }

      context "when there is a matching zone" do
        before { Spree::Zone.stub(:match => zone) }

        it "should return the matching zone" do
          order.tax_zone.should == zone
        end
      end

      context "when there is no matching zone" do
        before { Spree::Zone.stub(:match => nil) }

        it "should return nil" do
          order.tax_zone.should be_nil
        end
      end
    end
  end

  context "#price_adjustments" do
    before do
      @order = Spree::Order.create!
      @order.stub :line_items => [line_item1, line_item2]
    end

    let(:line_item1) { Factory(:line_item, :order => @order) }
    let(:line_item2) { Factory(:line_item, :order => @order) }

    context "when there are no line item adjustments" do
      it "should return nothing if line items have no adjustments" do
        @order.price_adjustments.should be_empty
      end
    end

    context "when only one line item has adjustments" do
      before do
        @adj1 = line_item1.adjustments.create(:amount => 2, :source => line_item1, :label => "VAT 5%")
        @adj2 = line_item1.adjustments.create(:amount => 5, :source => line_item1, :label => "VAT 10%")
      end

      it "should return the adjustments for that line item" do
         @order.price_adjustments.should =~ [@adj1, @adj2]
      end
    end

    context "when more than one line item has adjustments" do
      before do
        @adj1 = line_item1.adjustments.create(:amount => 2, :source => line_item1, :label => "VAT 5%")
        @adj2 = line_item2.adjustments.create(:amount => 5, :source => line_item2, :label => "VAT 10%")
      end

      it "should return the adjustments for each line item" do
        @order.price_adjustments.should == [@adj1, @adj2]
      end
    end
  end

  context "#price_adjustment_totals" do
    before { @order = Spree::Order.create! }


    context "when there are no price adjustments" do
      before { @order.stub :price_adjustments => [] }

      it "should return an empty hash" do
        @order.price_adjustment_totals.should == {}
      end
    end

    context "when there are two adjustments with different labels" do
      let(:adj1) { mock_model Spree::Adjustment, :amount => 10, :label => "Foo" }
      let(:adj2) { mock_model Spree::Adjustment, :amount => 20, :label => "Bar" }

      before do
        @order.stub :price_adjustments => [adj1, adj2]
      end

      it "should return exactly two totals" do
        @order.price_adjustment_totals.size.should == 2
      end

      it "should return the correct totals" do
        @order.price_adjustment_totals["Foo"].should == 10
        @order.price_adjustment_totals["Bar"].should == 20
      end
    end

    context "when there are two adjustments with one label and a single adjustment with another" do
      let(:adj1) { mock_model Spree::Adjustment, :amount => 10, :label => "Foo" }
      let(:adj2) { mock_model Spree::Adjustment, :amount => 20, :label => "Bar" }
      let(:adj3) { mock_model Spree::Adjustment, :amount => 40, :label => "Bar" }

      before do
        @order.stub :price_adjustments => [adj1, adj2, adj3]
      end

      it "should return exactly two totals" do
        @order.price_adjustment_totals.size.should == 2
      end
      it "should return the correct totals" do
        @order.price_adjustment_totals["Foo"].should == 10
        @order.price_adjustment_totals["Bar"].should == 60
      end
    end
  end

  context "#exclude_tax?" do
    before do
      @order = Factory(:order)
      @default_zone = Factory(:zone)
      Spree::Zone.stub :default_tax => @default_zone
    end

    context "when prices include tax" do
      before { Spree::Config.set(:prices_inc_tax => true) }

      it "should be true when tax_zone is not the same as the default" do
        @order.stub :tax_zone => Factory(:zone, :name => "other_zone")
        @order.exclude_tax?.should be_true
      end

      it "should be false when tax_zone is the same as the default" do
        @order.stub :tax_zone => @default_zone
        @order.exclude_tax?.should be_false
      end
    end

    context "when prices do not include tax" do
      before { Spree::Config.set(:prices_inc_tax => false) }

      it "should be false" do
        @order.exclude_tax?.should be_false
      end
    end
  end

end

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