Return the payment method token like Braintree does, so customers/sub…

…scriptions can be cross-referenced

lib/fake_braintree/subscription.rb

@@ -8,12 +8,13 @@ def initialize(request)
 
     def response_hash
       response_hash = {}
-      response_hash["id"]                = md5("#{@subscription_hash["payment_method_token"]}#{Time.now.to_f}")[0,6]
-      response_hash["transactions"]      = []
-      response_hash["add_ons"]           = []
-      response_hash["discounts"]         = []
-      response_hash["next_billing_date"] = 1.month.from_now
-      response_hash["status"]            = Braintree::Subscription::Status::Active
+      response_hash["id"]                   = md5("#{@subscription_hash["payment_method_token"]}#{Time.now.to_f}")[0,6]
+      response_hash["transactions"]         = []
+      response_hash["add_ons"]              = []
+      response_hash["discounts"]            = []
+      response_hash["next_billing_date"]    = 1.month.from_now
+      response_hash["payment_method_token"] = @subscription_hash["payment_method_token"]
+      response_hash["status"]               = Braintree::Subscription::Status::Active
 
       response_hash
     end

spec/fake_braintree/subscription_spec.rb

@@ -54,5 +54,10 @@
     it "raises a Braintree:NotFoundError when it cannot find a subscription" do
       expect { Braintree::Subscription.find('abc123') }.to raise_error(Braintree::NotFoundError, /abc123/)
     end
+
+    it "can find the associated customer" do
+      subscription = Braintree::Subscription.find(subscription_result.subscription.id)
+      subscription.payment_method_token.should == payment_method_token
+    end
   end
 end