Merge pull request #888 from stripe-ruby-mock/revert-860-add-refund-e…

…rror

Revert "Adds error when attempting to refund a charge that has alread…

lib/stripe_mock/request_handlers/helpers/charge_helpers.rb

@@ -3,12 +3,6 @@ module RequestHandlers
     module Helpers
 
       def add_refund_to_charge(refund, charge)
-        if refund[:amount] + charge[:amount_refunded] > charge[:amount]
-          raise Stripe::InvalidRequestError.new(
-            "Charge #{charge[:id]} has already been refunded.",
-            'amount'
-          )
-        end
         refunds = charge[:refunds]
         refunds[:data] << refund
         refunds[:total_count] = refunds[:data].count

spec/shared_stripe_examples/refund_examples.rb

@@ -338,17 +338,6 @@
       expect(half.data.first.id).to eq(all_refunds.data.at(2).id)
     end
 
-    it "returns an InvalidRequestError when attempting to refund more than the original charge amount" do
-      charge = Stripe::Charge.create(
-        amount: 1000,
-        currency: 'usd',
-        source: stripe_helper.generate_card_token
-      )
-      expect {
-        Stripe::Refund.create(charge: charge.id, amount: 2000)
-      }.to raise_error(Stripe::InvalidRequestError)
-    end
-
     describe "idempotency" do
       let(:customer) { Stripe::Customer.create(email: 'johnny@appleseed.com') }
       let(:charge) do