Merge pull request #479 from Amos47/recurse-on-stripe-objects

Allow to_s to also pretty_generate embedded StripeObjects

lib/stripe/stripe_object.rb

@@ -43,7 +43,7 @@ module Stripe
     end
 
     def to_s(*args)
-      JSON.pretty_generate(@values)
+      JSON.pretty_generate(to_hash)
     end
 
     def inspect

test/stripe/stripe_object_test.rb

@@ -292,6 +292,38 @@ module Stripe
       assert_equal({ :id => 'id', :metadata => { :foo => 'bar' } }, serialized)
     end
 
+    should "#to_s will call to_s for all embedded stripe objects" do
+      obj = Stripe::StripeObject.construct_from({
+        id: 'id',
+        #embeded list object
+        refunds: Stripe::ListObject.construct_from({ data: [
+          #embedded object in list
+          Stripe::StripeObject.construct_from({
+            id: 'id',
+            #embedded object in an object in a list object
+            metadata: Stripe::StripeObject.construct_from({
+              foo: 'bar',
+            })
+          })
+        ]}),
+        # embeded stripe object
+        metadata: Stripe::StripeObject.construct_from({
+          foo: 'bar',
+        })
+      })
+      expected = JSON.pretty_generate({
+        id: 'id',
+        refunds: {
+          data: [
+            {id: 'id', metadata: {foo: 'bar'}}
+          ]
+        },
+        metadata: { foo: 'bar' }
+      })
+
+      assert_equal(expected, obj.to_s)
+    end
+
     should "warn that .serialize_params is deprecated" do
       old_stderr = $stderr
       $stderr = StringIO.new