add cardReversalTransaction to codecs (unit-finance#111)

* new test:
compare TransactionDTO's in mappings to TransactionDTO's in model.

* update test

* small change to test

Author: axshani

e2e_tests/transaction_test.py

@@ -1,8 +1,7 @@
 import os
-import unittest
 from unit import Unit
 from unit.models.transaction import *
-from unit.models.codecs import DtoDecoder
+from unit.models.codecs import DtoDecoder, mappings
 
 token = os.environ.get('TOKEN')
 client = Unit("https://api.s.unit.sh", token)
@@ -548,3 +547,23 @@ def test_list_and_get_transactions_with_type():
         response = client.transactions.get(id)
         assert response.data.type == "receivedAchTransaction" or response.data.type == "feeTransaction"
 
+
+def test_codecs_transactions():
+    import inspect
+    import unit.models.transaction as umt
+
+    classes = []
+
+
+    for name, obj in inspect.getmembers(umt):
+        try:
+            if 'TransactionDTO' in name and 'Base' not in name and name != 'TransactionDTO':
+                classes.append(name.replace('DTO', ''))
+        except Exception as e:
+            print(e)
+            continue
+
+
+    transactions = [x for x in mappings if "Transaction" in x]
+
+    assert len(transactions) == len(classes)

unit/models/codecs.py

@@ -125,6 +125,9 @@
         "chargebackTransaction": lambda _id, _type, attributes, relationships:
         ChargebackTransactionDTO.from_json_api(_id, _type, attributes, relationships),
 
+        "cardReversalTransaction": lambda _id, _type, attributes, relationships:
+        CardReversalTransactionDTO.from_json_api(_id, _type, attributes, relationships),
+
         "achPayment": lambda _id, _type, attributes, relationships:
         AchPaymentDTO.from_json_api(_id, _type, attributes, relationships),