Refactor transactions into readable code

handler/tests/test_transactions.py

@@ -45,6 +45,7 @@ class TestTransactions(TestCase):
 
         # Mock the rates
         self.transactions.money = MagicMock()
+        self.transactions.money.to_usd = self.mock_to_usd
         self.transactions.money.get_rates_all = MagicMock()
         self.transactions.money.get_rates_all.return_value = {"GBP": 0.8}
 
@@ -119,6 +120,17 @@ class TestTransactions(TestCase):
             if trade["id"] == string:
                 return trade["reference"]
 
+    def mock_to_usd(self, amount, currency):
+        if currency == "GBP":
+            return amount * 1.3
+        elif currency == "USD":
+            return amount
+        # fuck it who cares
+        elif currency == "SEK":
+            return 100
+        elif currency == "EUR":
+            return 10
+
     def test_transaction(self):
         self.transactions.transaction(self.test_data)
         self.transactions.release_funds.assert_called_once_with("uuid1", "TEST-1")
@@ -154,7 +166,7 @@ class TestTransactions(TestCase):
 
     def test_transaction_no_reference_pass(self):
         no_reference_pass = self.data_custom(1, "GBP", "none")
-        no_reference_pass["meta"]["provider_reference"] = "none"
+        no_reference_pass["meta"]["provider_reference"] = "THIS_ONE_FAILS"
         self.return_trades = [1]
 
         self.transactions.transaction(no_reference_pass)