Add expire method for Charge

omise/__init__.py

@@ -667,6 +667,15 @@ def reverse(self):
         path = self._instance_path(self._attributes['id']) + ('reverse',)
         return self._reload_data(self._request('post', path))
 
+    def expire(self):
+        """Set a charge that has not yet been authorized to expire. Supported
+        payment method: Alipay (Barcode)
+
+        :rtype: Charge
+        """
+        path = self._instance_path(self._attributes['id']) + ('expire',)
+        return self._reload_data(self._request('post', path))
+
     def refund(self, **kwargs):
         """Refund a refundable charge.
 

omise/test/test_charge.py

@@ -67,7 +67,8 @@ def _makeOne(self):
             'id': 'chrg_test',
             'captured': False,
             'authorized': True,
-            'reversed': False
+            'reversed': False,
+            'expired': False
         })
 
     @mock.patch('requests.post')
@@ -669,6 +670,27 @@ def test_reverse(self, api_call):
             'https://api.omise.co/charges/chrg_test/reverse',
         )
 
+    @mock.patch('requests.post')
+    def test_expire(self, api_call):
+        charge = self._makeOne()
+        class_ = self._getTargetClass()
+        self.mockResponse(api_call, """{
+            "object": "charge",
+            "id": "chrg_test",
+            "livemode": false,
+            "expired": true
+        }""")
+
+        self.assertTrue(isinstance(charge, class_))
+        self.assertFalse(charge.expired)
+        charge.expire()
+
+        self.assertTrue(charge.expired)
+        self.assertRequest(
+            api_call,
+            'https://api.omise.co/charges/chrg_test/expire',
+        )
+
     @mock.patch('requests.get')
     @mock.patch('requests.post')
     def test_refund(self, api_call, reload_call):