From 8d066ca608c766b361aa8c358bd22f79be55cbbf Mon Sep 17 00:00:00 2001
From: Kyle Conroy <kjc@stripe.com>
Date: Wed, 6 Aug 2014 15:37:25 -0700
Subject: [PATCH] Add coupon update

---
 lib/stripe/coupon.rb       |  1 +
 test/stripe/coupon_test.rb | 11 ++++++++++-
 test/test_helper.rb        |  3 ++-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/lib/stripe/coupon.rb b/lib/stripe/coupon.rb
index 750bf45a..aeb7f4d2 100644
--- a/lib/stripe/coupon.rb
+++ b/lib/stripe/coupon.rb
@@ -1,6 +1,7 @@
 module Stripe
   class Coupon < APIResource
     include Stripe::APIOperations::Create
+    include Stripe::APIOperations::Update
     include Stripe::APIOperations::Delete
     include Stripe::APIOperations::List
   end
diff --git a/test/stripe/coupon_test.rb b/test/stripe/coupon_test.rb
index 34084b24..b53d9f5b 100644
--- a/test/stripe/coupon_test.rb
+++ b/test/stripe/coupon_test.rb
@@ -7,5 +7,14 @@ module Stripe
       c = Stripe::Coupon.create
       assert_equal "co_test_coupon", c.id
     end
+
+    should "coupons should be updateable" do
+      @mock.expects(:get).once.returns(test_response(test_coupon))
+      @mock.expects(:post).once.returns(test_response(test_coupon))
+      c = Stripe::Coupon.new("test_coupon")
+      c.refresh
+      c.metadata['foo'] = 'bar'
+      c.save
+    end
   end
-end
\ No newline at end of file
+end
diff --git a/test/test_helper.rb b/test/test_helper.rb
index e80106ee..cf5e194c 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -201,7 +201,8 @@ def test_coupon(params={})
     :duration_in_months => 3,
     :percent_off => 25,
     :id => "co_test_coupon",
-    :object => "coupon"
+    :object => "coupon",
+    :metadata => {},
   }.merge(params)
 end