Merge pull request #114 from pepabo/add-cancel-purchase-for-link-type

リンクタイプ決済の取引取消機能を追加する

README.md

@@ -345,6 +345,11 @@ else
 end
 ```
 
+### Epsilon Link Payment Void Transaction
+```ruby
+gateway.void('order_number')
+```
+
 ### Error handling
 
 If epsilon server returns status excepted 200, `#purchase` method raise `ActiveMerchant::ResponseError`.

lib/active_merchant/billing/gateways/epsilon_link_payment.rb

@@ -37,6 +37,15 @@ def purchase(amount, detail = {})
 
         commit('receive_order3.cgi', params, RESPONSE_KEYS)
       end
+
+      def void(order_number)
+        params = {
+          contract_code: self.contract_code,
+          order_number: order_number
+        }
+
+        commit('cancel_payment.cgi', params)
+      end
     end
   end
 end

test/remote/gateways/remote_epsilon_link_payment_test.rb

@@ -0,0 +1,46 @@
+require 'test_helper'
+class RemoteEpsilonLinkPaymentTest < MiniTest::Test
+  include SamplePaymentMethods
+
+  def gateway
+    @gateway ||= ActiveMerchant::Billing::EpsilonLinkPaymentGateway.new
+  end
+
+  def test_epsilon_link_type_purchase_successfull
+    VCR.use_cassette(:epsilon_link_type_purchase_successfull) do
+      response = gateway.purchase(10000, valid_epsilon_link_type_purchase_detail)
+
+      assert_equal true, response.success?
+      assert_equal true, !response.params['redirect'].empty?
+    end
+  end
+
+  def test_epsilon_link_type_purchase_fail
+    VCR.use_cassette(:epsilon_link_type_purchase_fail) do
+      response = gateway.purchase(10000, invalid_epsilon_link_type_purchase_detail)
+
+      assert_equal false, response.success?
+      assert_equal true, response.params["error_detail"].valid_encoding?
+    end
+  end
+
+  def test_epsilon_link_type_void_successfull
+    VCR.use_cassette(:epsilon_link_type_void_successfull) do
+      # あらかじめ課金済ステータスの受注がイプシロン側にないと取り消しができないため、課金済の受注をイプシロン側で作成しておいた。
+      # ここでは void の引数として作成済の受注のorder_numberを渡している。
+      # VCRのキャッシュを作成し直す場合は変更しないとエラーとなる。
+      response = gateway.void('595213151')
+
+      assert_equal true, response.success?
+    end
+  end
+
+  def test_epsilon_link_type_void_fail
+    VCR.use_cassette(:epsilon_link_type_void_fail) do
+      response = gateway.void('invalid_order_number')
+
+      assert_equal false, response.success?
+      assert_equal true, response.params["error_detail"].valid_encoding?
+    end
+  end
+end

test/test_helper.rb

@@ -230,6 +230,52 @@ def gmo_after_purchase_detail
     }
   end
 
+  def valid_epsilon_link_type_purchase_detail
+    now = Time.now
+    {
+      user_id:       "U#{Time.now.to_i}",
+      user_name:     '山田 太郎',
+      user_email: '[email protected]',
+      item_code:     'ITEM001',
+      item_name:    'Greate Product',
+      order_number:  "O#{now.sec}#{now.usec}",
+      st_code:       '00000-0000-01000-00000-00000-00000-00000',
+      memo1:         'memo1',
+      memo2:         'memo2',
+      consignee_postal: '1000001',
+      consignee_name: 'イプシロンタロウ',
+      consignee_address: '東京都千代田区千代田1番1号',
+      consignee_tel: '0312345678',
+      orderer_postal: '1000001',
+      orderer_name: 'YAMADA Taro',
+      orderer_address: '東京都千代田区千代田1番1号',
+      orderer_tel: '0312345678',
+    }
+  end
+
+  def invalid_epsilon_link_type_purchase_detail
+    now = Time.now
+    {
+      user_id:       "U#{Time.now.to_i}",
+      user_name:     '山田 太郎',
+      user_email: '[email protected]',
+      item_code:     'ITEM001',
+      item_name:    'Greate Product',
+      order_number:  "O#{now.sec}#{now.usec}",
+      st_code:       'invalid_id',
+      memo1:         'memo1',
+      memo2:         'memo2',
+      consignee_postal: '1000001',
+      consignee_name: 'イプシロンタロウ',
+      consignee_address: '東京都千代田区千代田1番1号',
+      consignee_tel: '0312345678',
+      orderer_postal: '1000001',
+      orderer_name: 'YAMADA Taro',
+      orderer_address: '東京都千代田区千代田1番1号',
+      orderer_tel: '0312345678',
+    }
+  end
+
   def fixture_xml(filename, parse: true)
     xml = File.read("test/fixtures/#{filename}")
     parse ? Nokogiri.parse(xml.sub('x-sjis-cp932', 'CP932')) : xml