Fix UsageRecords so it passes through the rest of the arguments

Author: jlomas-stripe

lib/resources/UsageRecords.js

@@ -4,13 +4,19 @@ var stripeMethod = require('../StripeMethod');
 
 module.exports = require('../StripeResource').extend({
   path: 'subscription_items',
-  create: function(args) {
-    var requestPath = args.subscription_item + '/usage_records';
-    var reqArgs = Object.assign({}, args);
+  create: function() {
+    var args = Array.prototype.slice.call(arguments);
+
+    var reqArgs = args.shift();
+    var requestPath = reqArgs.subscription_item + '/usage_records';
+
     delete reqArgs.subscription_item;
+
+    args.unshift(reqArgs);
+
     return stripeMethod({
       method: 'POST',
       path: requestPath
-    }).bind(this)(reqArgs);
+    }).apply(this, args);
   }
 });

test/resources/UsageRecords.spec.js

@@ -12,6 +12,7 @@ describe('UsageRecords Resource', function() {
         timestmap: 123321,
         action: 'increment'
       });
+
       expect(stripe.LAST_REQUEST).to.deep.equal({
         method: 'POST',
         url: '/v1/subscription_items/si_123/usage_records',
@@ -23,5 +24,42 @@ describe('UsageRecords Resource', function() {
         }
       });
     });
+
+    it('Includes any options that were provided', function(done) {
+      stripe.usageRecords.create({
+        subscription_item: 'si_123',
+        quantity: 123,
+        timestmap: 123321,
+        action: 'increment'
+      }, {
+        stripe_account: 'acct_456',
+      }).then(function(record) {
+        expect(stripe.LAST_REQUEST).to.deep.equal({
+          method: 'POST',
+          url: '/v1/subscription_items/si_123/usage_records',
+          headers: {
+            "Stripe-Account": "acct_456"
+          },
+          data: {
+            quantity: 123,
+            timestmap: 123321,
+            action: 'increment'
+          }
+        });
+
+        done();
+      });
+    });
+
+    it('Calls a given callback', function(done) {
+      stripe.usageRecords.create({
+        subscription_item: 'si_123',
+        quantity: 123,
+        timestmap: 123321,
+        action: 'increment'
+      }, function(error, record) {
+        done(error);
+      });
+    });
   });
 });