Add EveryPay payments

* Refactor BankLink into Payments::BankLink, add Payments::EveryPay
* Write tests for existing invoice views
* Write basic tests for Payments module

test/models/payments/bank_link_test.rb

@@ -0,0 +1,54 @@
+require 'test_helper'
+
+class BankLinkTest < ActiveSupport::TestCase
+  def setup
+    super
+
+    @original_methods = ENV['payment_methods']
+    @original_seb_URL = ENV['seb_payment_url']
+    ENV['payment_methods'] = 'seb, swed, credit_card'
+    ENV['seb_payment_url'] = 'https://example.com/seb_url'
+    ENV['seb_seller_account'] = 'SEB'
+    ENV['seb_bank_certificate'] = 'test/fixtures/files/seb_bank_cert.pem'
+    ENV['seb_seller_certificate'] = 'test/fixtures/files/seb_seller_key.pem'
+
+    @invoice = invoices(:valid)
+    params = {return_url: 'return.url', response_url: 'response_url'}
+    @bank_link = Payments::BankLink.new('seb', @invoice, params)
+
+    travel_to '2018-04-01 00:30'
+  end
+
+  def teardown
+    super
+
+    ENV['payment_methods'] = @original_methods
+    ENV['seb_payment_url'] = @original_seb_URL
+    travel_back
+  end
+
+  def test_form_fields
+    expected_response = {
+      "VK_SERVICE": "1012",
+      "VK_VERSION": "008",
+      "VK_SND_ID": "SEB",
+      "VK_STAMP": nil,
+      "VK_AMOUNT": nil,
+      "VK_CURR": "EUR",
+      "VK_REF": "",
+      "VK_MSG": "Order nr. ",
+      "VK_RETURN": "return.url",
+      "VK_CANCEL": "return.url",
+      "VK_DATETIME": "2018-04-01T00:30:00+0300",
+      "VK_MAC": "fPHKfBNwtyQI5ec1pnrlIUJI6nerGPwnoqx0K9/g40hsgUmum4QE1Eq992FR73pRXyE2+1dUuahEd3s57asM7MOD2Pb8SALA/+hi3jlqjiAAThdikDuJ+83LogSKQljLdd0BHwqe+O0WPeKaOmP2/HltOEIHpY3d399JAi1t7YA=",
+      "VK_ENCODING": "UTF-8",
+      "VK_LANG": "ENG"
+    }.with_indifferent_access
+
+    assert_equal expected_response, @bank_link.form_fields
+  end
+
+  def test_is_not_valid_without_response
+    assert_equal false, @bank_link.valid_response?
+  end
+end

test/models/payments/every_pay_test.rb

@@ -0,0 +1,64 @@
+require 'test_helper'
+
+class EveryPayTest < ActiveSupport::TestCase
+  def setup
+    super
+
+    @original_methods = ENV['payment_methods']
+    @original_seb_URL = ENV['seb_payment_url']
+    ENV['payment_methods'] = 'seb, swed, credit_card'
+    ENV['seb_payment_url'] = 'https://example.com/seb_url'
+    ENV['seb_seller_account'] = 'SEB'
+    ENV['seb_bank_certificate'] = 'test/fixtures/files/seb_bank_cert.pem'
+    ENV['seb_seller_certificate'] = 'test/fixtures/files/seb_seller_key.pem'
+
+    @invoice = invoices(:valid)
+    params = {
+      response:
+        {
+          utf8:"✓",
+          _method: "put",
+          authenticity_token: "OnA69vbccQtMt3C9wxEWigs5Gpf/7z+NoxRCMkFPlTvaATs8+OgMKF1I4B2f+vuK37zCgpWZaWWtyuslRRSwkw==",
+          nonce: "8a9063b3c13edb00522d446481cb1886",
+          timestamp: "1524036436",
+          api_username: "ca8d6336dd750ddb",
+          transaction_result: "completed",
+          payment_reference: "3380fc36f02a7c1d2b0a700794e7a6ef8683191b3f0dc88b762e72c6e573adaf",
+          payment_state: "settled",
+          amount: "240.0",
+          order_reference: "59fa7f639211d1e14952bad73ccb50",
+          account_id: "EUR3D1",
+          cc_type: "master_card",
+          cc_last_four_digits: "0487",
+          cc_month: "10",
+          cc_year: "2018",
+          cc_holder_name: "John Doe",
+          hmac_fields: "account_id,amount,api_username,cc_holder_name,cc_last_four_digits,cc_month,cc_type,cc_year,hmac_fields,nonce,order_reference,payment_reference,payment_state,timestamp,transaction_result",
+          hmac: "d5b11b001b248532ad5af529f072b5b76347936a",
+          controller: "registrar/payments",
+          action: "back",
+          bank: "every_pay"
+        },
+    }
+    @every_pay = Payments::EveryPay.new('every_pay', @invoice, params)
+
+    travel_to '2018-04-01 00:30'
+  end
+
+  def teardown
+    super
+
+    ENV['payment_methods'] = @original_methods
+    ENV['seb_payment_url'] = @original_seb_URL
+    travel_back
+  end
+
+  def test_form_fields
+  end
+
+  def test_is_not_valid_without_response
+  end
+
+  def test_validation
+  end
+end

test/models/payments_test.rb

@@ -0,0 +1,58 @@
+require 'test_helper'
+
+class PaymentTest < ActiveSupport::TestCase
+  def setup
+    super
+
+    @original_methods = ENV['payment_methods']
+    @original_seb_URL = ENV['seb_payment_url']
+    ENV['payment_methods'] = 'seb, swed, credit_card'
+    ENV['seb_payment_url'] = nil
+    @not_implemented_payment = Payments::Base.new(
+      'not_implemented', Invoice.new
+    )
+  end
+
+  def teardown
+    super
+
+    ENV['payment_methods'] = @original_methods
+    ENV['seb_payment_url'] = @original_seb_URL
+  end
+
+  def test_variable_assignment
+    assert_equal 'not_implemented', @not_implemented_payment.type
+    assert_nil @not_implemented_payment.response_url
+    assert_nil @not_implemented_payment.return_url
+    assert_nil @not_implemented_payment.form_url
+  end
+
+  def test_that_errors_are_raised_on_not_implemented_methods
+    assert_raise NotImplementedError do
+      @not_implemented_payment.valid_response?
+    end
+
+    assert_raise NotImplementedError do
+      @not_implemented_payment.settled_payment?
+    end
+
+    assert_raise NotImplementedError do
+      @not_implemented_payment.form_fields
+    end
+
+    assert_raise NotImplementedError do
+      @not_implemented_payment.complete_transaction
+    end
+  end
+
+  def test_that_create_with_type_raises_argument_error
+    assert_raise ArgumentError do
+      Payments.create_with_type("not_implemented", Invoice.new)
+    end
+  end
+
+  def test_create_with_correct_subclass
+    payment = Payments.create_with_type('seb', Invoice.new)
+    assert_equal Payments::BankLink, payment.class
+  end
+end