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/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