Merge branch 'master' into registry-662

test/models/invoice_test.rb

@@ -0,0 +1,109 @@
+require 'test_helper'
+
+class InvoiceTest < ActiveSupport::TestCase
+  setup do
+    @invoice = invoices(:valid)
+  end
+
+  def test_valid
+    assert @invoice.valid?
+  end
+
+  def test_optional_vat_rate
+    @invoice.vat_rate = nil
+    assert @invoice.valid?
+  end
+
+  def test_vat_rate_validation
+    @invoice.vat_rate = -1
+    assert @invoice.invalid?
+
+    @invoice.vat_rate = 0
+    assert @invoice.valid?
+
+    @invoice.vat_rate = 99.9
+    assert @invoice.valid?
+
+    @invoice.vat_rate = 100
+    assert @invoice.invalid?
+  end
+
+  def test_serializes_and_deserializes_vat_rate
+    invoice = @invoice.dup
+    invoice.invoice_items = @invoice.invoice_items
+    invoice.vat_rate = BigDecimal('25.5')
+    invoice.save!
+    invoice.reload
+    assert_equal BigDecimal('25.5'), invoice.vat_rate
+  end
+
+  def test_vat_rate_defaults_to_effective_vat_rate_of_a_registrar
+    registrar = registrars(:bestnames)
+    invoice = @invoice.dup
+    invoice.vat_rate = nil
+    invoice.buyer = registrar
+    invoice.invoice_items = @invoice.invoice_items
+
+    registrar.stub(:effective_vat_rate, BigDecimal(55)) do
+      invoice.save!
+    end
+
+    assert_equal BigDecimal(55), invoice.vat_rate
+  end
+
+  def test_vat_rate_cannot_be_updated
+    @invoice.vat_rate = BigDecimal(21)
+    @invoice.save!
+    @invoice.reload
+    refute_equal BigDecimal(21), @invoice.vat_rate
+  end
+
+  def test_calculates_vat_amount
+    assert_equal BigDecimal('1.5'), @invoice.vat_amount
+  end
+
+  def test_vat_amount_is_zero_when_vat_rate_is_blank
+    @invoice.vat_rate = nil
+    assert_equal 0, @invoice.vat_amount
+  end
+
+  def test_calculates_subtotal
+    line_item = InvoiceItem.new
+    invoice = Invoice.new(invoice_items: [line_item, line_item])
+
+    line_item.stub(:item_sum_without_vat, BigDecimal('2.5')) do
+      assert_equal BigDecimal(5), invoice.subtotal
+    end
+  end
+
+  def test_returns_persisted_total
+    assert_equal BigDecimal('16.50'), @invoice.total
+  end
+
+  def test_calculates_total
+    line_item = InvoiceItem.new
+    invoice = Invoice.new
+    invoice.vat_rate = 10
+    invoice.invoice_items = [line_item, line_item]
+
+    line_item.stub(:item_sum_without_vat, BigDecimal('2.5')) do
+      assert_equal BigDecimal('5.50'), invoice.total
+    end
+  end
+
+  def test_valid_without_buyer_vat_no
+    @invoice.buyer_vat_no = ''
+    assert @invoice.valid?
+  end
+
+  def test_buyer_vat_no_is_taken_from_registrar_by_default
+    registrar = registrars(:bestnames)
+    registrar.vat_no = 'US1234'
+    invoice = @invoice.dup
+    invoice.buyer_vat_no = nil
+    invoice.buyer = registrar
+    invoice.invoice_items = @invoice.invoice_items
+    invoice.save!
+    assert_equal 'US1234', invoice.buyer_vat_no
+  end
+end

test/models/registrar/vat_test.rb

@@ -0,0 +1,97 @@
+require 'test_helper'
+
+class RegistrarVATTest < ActiveSupport::TestCase
+  setup do
+    @registrar = registrars(:bestnames)
+  end
+
+  def test_optional_vat_no
+    @registrar.vat_no = ''
+    assert @registrar.valid?
+
+    @registrar.vat_no = 'any'
+    assert @registrar.valid?
+  end
+
+  def test_apply_vat_rate_from_registry_when_registrar_is_local_vat_payer
+    Setting.registry_country_code = 'US'
+    @registrar.country_code = 'US'
+
+    Registry.instance.stub(:vat_rate, BigDecimal('5.5')) do
+      assert_equal BigDecimal('5.5'), @registrar.effective_vat_rate
+    end
+  end
+
+  def test_require_no_vat_rate_when_registrar_is_local_vat_payer
+    @registrar.vat_rate = 1
+    assert @registrar.invalid?
+
+    @registrar.vat_rate = nil
+    assert @registrar.valid?
+  end
+
+  def test_apply_vat_rate_from_registrar_when_registrar_is_foreign_vat_payer
+    Setting.registry_country_code = 'US'
+    @registrar.country_code = 'DE'
+    @registrar.vat_rate = BigDecimal('5.6')
+    assert_equal BigDecimal('5.6'), @registrar.effective_vat_rate
+  end
+
+  def test_require_vat_rate_when_registrar_is_foreign_vat_payer_and_vat_no_is_absent
+    @registrar.country_code = 'DE'
+    @registrar.vat_no = ''
+
+    @registrar.vat_rate = ''
+    assert @registrar.invalid?
+    assert @registrar.errors.added?(:vat_rate, :blank)
+
+    @registrar.vat_rate = 5
+    assert @registrar.valid?
+  end
+
+  def test_require_no_vat_rate_when_registrar_is_foreign_vat_payer_and_vat_no_is_present
+    @registrar.country_code = 'DE'
+    @registrar.vat_no = 'valid'
+
+    @registrar.vat_rate = 1
+    assert @registrar.invalid?
+
+    @registrar.vat_rate = nil
+    assert @registrar.valid?
+  end
+
+  def test_vat_rate_validation
+    @registrar.country_code = 'DE'
+    @registrar.vat_no = ''
+
+    @registrar.vat_rate = -1
+    assert @registrar.invalid?
+
+    @registrar.vat_rate = 0
+    assert @registrar.valid?
+
+    @registrar.vat_rate = 99.9
+    assert @registrar.valid?
+
+    @registrar.vat_rate = 100
+    assert @registrar.invalid?
+  end
+
+  def test_serializes_and_deserializes_vat_rate
+    @registrar.country_code = 'DE'
+    @registrar.vat_rate = BigDecimal('25.5')
+    @registrar.save!
+    @registrar.reload
+    assert_equal BigDecimal('25.5'), @registrar.vat_rate
+  end
+
+  def test_parses_vat_rate_as_a_string
+    @registrar.vat_rate = '25.5'
+    assert_equal BigDecimal('25.5'), @registrar.vat_rate
+  end
+
+  def test_treats_empty_vat_rate_as_nil
+    @registrar.vat_rate = ''
+    assert_nil @registrar.vat_rate
+  end
+end

test/models/registrar_test.rb

@@ -29,7 +29,7 @@ class RegistrarTest < ActiveSupport::TestCase
     assert @registrar.invalid?
   end
 
-  def test_requires_country_code
+  def test_invalid_without_country_code
     @registrar.country_code = ''
     assert @registrar.invalid?
   end

test/models/registry_test.rb

@@ -0,0 +1,16 @@
+require 'test_helper'
+
+class RegistryTest < ActiveSupport::TestCase
+  setup do
+    @registry = Registry.send(:new)
+  end
+
+  def test_implements_singleton
+    assert_equal Registry.instance.object_id, Registry.instance.object_id
+  end
+
+  def test_vat_rate
+    Setting.registry_vat_prc = 0.25
+    assert_equal BigDecimal(25), @registry.vat_rate
+  end
+end