openfoodnetwork/spec/models/order_cycle_spec.rb

require 'spec_helper'

describe OrderCycle do
  it "should be valid when built from factory" do
    build(:simple_order_cycle).should be_valid
  end

  it "should not be valid without a name" do
    oc = build(:simple_order_cycle)
    oc.name = ''
    oc.should_not be_valid
  end

  it "has a coordinator and associated fees" do
    oc = create(:simple_order_cycle)

    oc.coordinator = create(:enterprise)
    oc.coordinator_fees << create(:enterprise_fee, enterprise: oc.coordinator)

    oc.save!
  end

  it "has exchanges" do
    oc = create(:simple_order_cycle)

    create(:exchange, order_cycle: oc)
    create(:exchange, order_cycle: oc)
    create(:exchange, order_cycle: oc)

    oc.exchanges.count.should == 3
  end

  it "finds active and inactive order cycles" do
    oc_active = create(:simple_order_cycle, orders_open_at: 1.week.ago, orders_close_at: 1.week.from_now)
    oc_not_yet_open = create(:simple_order_cycle, orders_open_at: 1.week.from_now, orders_close_at: 2.weeks.from_now)
    oc_already_closed = create(:simple_order_cycle, orders_open_at: 2.weeks.ago, orders_close_at: 1.week.ago)

    OrderCycle.active.should == [oc_active]
    OrderCycle.inactive.sort.should == [oc_not_yet_open, oc_already_closed].sort
  end

  describe "finding order cycles distributing a product" do
    it "returns order cycles distributing the product's master variant" do
      p = create(:product)
      d = create(:distributor_enterprise)
      oc = create(:simple_order_cycle, distributors: [d], variants: [p.master])
      OrderCycle.distributing_product(p).should == [oc]
    end

    it "returns order cycles distributing another variant" do
      p = create(:product)
      v = create(:variant, product: p)
      d = create(:distributor_enterprise)
      oc = create(:simple_order_cycle, distributors: [d], variants: [v])
      OrderCycle.distributing_product(p).should == [oc]
    end

    it "does not return order cycles supplying but not distributing a product" do
      p = create(:product)
      s = create(:supplier_enterprise)
      oc = create(:simple_order_cycle)
      ex = create(:exchange, order_cycle: oc, sender: s, receiver: oc.coordinator)
      ex.variants << p.master

      OrderCycle.distributing_product(p).should == []
    end
  end

  it "reports its suppliers" do
    oc = create(:simple_order_cycle)

    e1 = create(:exchange,
                order_cycle: oc, receiver: oc.coordinator, sender: create(:enterprise))
    e2 = create(:exchange,
                order_cycle: oc, receiver: oc.coordinator, sender: create(:enterprise))

    oc.suppliers.sort.should == [e1.sender, e2.sender].sort
  end

  it "reports its distributors" do
    oc = create(:simple_order_cycle)

    e1 = create(:exchange,
                order_cycle: oc, sender: oc.coordinator, receiver: create(:enterprise))
    e2 = create(:exchange,
                order_cycle: oc, sender: oc.coordinator, receiver: create(:enterprise))

    oc.distributors.sort.should == [e1.receiver, e2.receiver].sort
  end

  it "checks for existance of distributors" do
    oc = create(:simple_order_cycle)
    d1 = create(:distributor_enterprise)
    d2 = create(:distributor_enterprise)
    create(:exchange, order_cycle: oc, sender: oc.coordinator, receiver: d1)

    oc.should have_distributor(d1)
    oc.should_not have_distributor(d2)
  end

  describe "product exchanges" do
    before(:each) do
      @oc = create(:simple_order_cycle)

      @d1 = create(:enterprise)
      @d2 = create(:enterprise)

      e0 = create(:exchange,
                  order_cycle: @oc, sender: create(:enterprise), receiver: @oc.coordinator)
      e1 = create(:exchange,
                  order_cycle: @oc, sender: @oc.coordinator, receiver: @d1)
      e2 = create(:exchange,
                  order_cycle: @oc, sender: @oc.coordinator, receiver: @d2)

      @p0 = create(:product)
      @p1 = create(:product)
      @p2 = create(:product)
      @p2_v = create(:variant, product: @p2)

      e0.variants << @p0.master
      e1.variants << @p1.master
      e1.variants << @p2.master
      e1.variants << @p2_v
      e2.variants << @p1.master
    end

    it "reports on the variants exchanged" do
      @oc.variants.sort.should == [@p0.master, @p1.master, @p2.master, @p2_v].sort
    end

    it "reports on the variants distributed" do
      @oc.distributed_variants.sort.should == [@p1.master, @p2.master, @p2_v].sort
    end

    it "reports on the variants distributed by a particular distributor" do
      @oc.distributed_variants_by(@d2).should == [@p1.master]
    end

    it "reports on the products exchanged" do
      @oc.products.sort.should == [@p0, @p1, @p2]
    end
  end

  describe "creating adjustments for a line item" do
    let(:oc) { OrderCycle.new }
    let(:line_item) { double(:line_item, variant: 123) }

    it "creates adjustment for each fee" do
      fee = {enterprise_fee: 'ef', label: 'label', role: 'role'}
      oc.stub(:fees_for) { [fee] }
      oc.should_receive(:create_adjustment_for_fee).with(line_item, 'ef', 'label', 'role')

      oc.send(:create_adjustments_for, line_item)
    end

    it "finds fees for a line item" do
      ef1 = double(:enterprise_fee)
      ef2 = double(:enterprise_fee)
      ef3 = double(:enterprise_fee)
      incoming_exchange = double(:exchange, enterprise_fees: [ef1], incoming?: true)
      outgoing_exchange = double(:exchange, enterprise_fees: [ef2], incoming?: false)
      oc.stub(:exchanges_carrying) { [incoming_exchange, outgoing_exchange] }
      oc.stub(:coordinator_fees) { [ef3] }
      oc.stub(:adjustment_label_for) { 'label' }

      oc.send(:fees_for, line_item).should ==
        [{enterprise_fee: ef1, label: 'label', role: 'supplier'},
         {enterprise_fee: ef2, label: 'label', role: 'distributor'},
         {enterprise_fee: ef3, label: 'label', role: 'coordinator'}]
    end

    it "creates an adjustment for a fee" do
      line_item = create(:line_item)
      enterprise_fee = create(:enterprise_fee)

      oc.send(:create_adjustment_for_fee, line_item, enterprise_fee, 'label', 'role')

      adjustment = Spree::Adjustment.last
      adjustment.label.should == 'label'
      adjustment.adjustable.should == line_item.order
      adjustment.source.should == line_item
      adjustment.originator.should == enterprise_fee
      adjustment.should be_mandatory

      md = adjustment.metadata
      md.enterprise.should == enterprise_fee.enterprise
      md.fee_name.should == enterprise_fee.name
      md.fee_type.should == enterprise_fee.fee_type
      md.enterprise_role.should == 'role'
    end

    it "makes adjustment labels" do
      line_item = double(:line_item, variant: double(:variant, product: double(:product, name: 'Bananas')))
      enterprise_fee = double(:enterprise_fee, fee_type: 'packing', enterprise: double(:enterprise, name: 'Ballantyne'))

      oc.send(:adjustment_label_for, line_item, enterprise_fee, 'distributor').should == "Bananas - packing fee by distributor Ballantyne"
    end
  end
end