add Refund function in insurance service

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## Next Release
+
+- Adds `refund` function in Insurance service for requesting a refund for a standalone insurance
+
 ## v9.1.0 (2024-01-08)
 
 - Adds `all_children` function to the User service for retrieving paginated lists of children

easypost/services/insurance_service.py

@@ -4,7 +4,12 @@
     Optional,
 )
 
+from easypost.easypost_object import convert_to_easypost_object
 from easypost.models import Insurance
+from easypost.requestor import (
+    RequestMethod,
+    Requestor,
+)
 from easypost.services.base_service import BaseService
 
 
@@ -47,3 +52,13 @@ def get_next_page(
             params.update(optional_params)
 
         return self.all(**params)
+
+    def refund(self, id: str) -> Insurance:
+        url = f"/insurances/{id}/refund"
+        response = Requestor(self._client).request(
+            method=RequestMethod.POST,
+            url=url,
+            beta=True,  # Remove beta when endpoint is in GA.
+        )
+
+        return convert_to_easypost_object(response=response)

tests/test_insurance.py

@@ -64,3 +64,16 @@ def test_insurance_get_next_page(page_size, test_client):
     except Exception as e:
         if e.message != NO_MORE_PAGES_ERROR:
             raise Exception(_TEST_FAILED_INTENTIONALLY_ERROR)
+
+
+@pytest.mark.vcr()
+def test_insurance_refund(test_client, basic_insurance):
+    insurance_data = basic_insurance
+    insurance_data["tracking_code"] = "EZ1000000001"
+
+    insurance = test_client.insurance.create(**insurance_data)
+    cancelled_insurance = test_client.insurance.refund(id=insurance.id)
+
+    assert isinstance(cancelled_insurance, Insurance)
+    assert str.startswith(cancelled_insurance.id, "ins_")
+    assert cancelled_insurance.status == "cancelled"