Merge pull request #47 from almabekov/are-6130-python-wrapper-for-cur…

…rencies-endpoint

ARE-6130: Python wrapper for currencies endpoint

analyzere/resources.py

@@ -31,7 +31,15 @@ def profile(self):
 # Exchange rate tables
 
 class ExchangeRateTable(DataResource):
-    pass
+    def currencies(self):
+        path = '{}/currencies'.format(self._get_path(self.id))
+        resp = request('get', path)
+        # response will be an embedded object with currencies list
+        # each element of the currencies list is again an embedded object with the structure like:
+        #   {
+        #       "code": "CAD"
+        #   }
+        return convert_to_analyzere_object(resp)
 
 
 class ExchangeRateSelectionRule(EmbeddedResource):

tests/test_resources.py

@@ -2,7 +2,7 @@
 
 import analyzere
 from analyzere import MonetaryUnit, LayerPolicy
-from analyzere.resources import PortfolioView, LayerView
+from analyzere.resources import PortfolioView, LayerView, ExchangeRateTable
 
 
 class SetBaseUrl(object):
@@ -80,3 +80,33 @@ def test_get_results(self, reqmock):
         assert req_json['remove_layer_view_ids'][0]['ref_id'] == 'yyy'
 
         assert pv.id == 'a1'
+
+    # ARE-6130 wrapper for the exchange rate table unique currencies function
+    def test_unique_currencies(self, reqmock):
+        # mock for the Exchange Rate table request
+        reqmock.get('https://api/exchange_rate_tables/abc_id',
+                    status_code=200, text='{"id": "abc_id"}')
+
+        fx_table = ExchangeRateTable.retrieve('abc_id')
+        # mock for the currencies method call
+        reqmock.get('https://api/exchange_rate_tables/abc_id/currencies',
+                    status_code=200, text='{"currencies": [{"code": "CAD"}, {"code": "EUR"}]}')
+        curr = fx_table.currencies()
+        assert hasattr(curr, 'currencies')
+        assert len(curr.currencies) == 2
+        currencies = set()
+        for c in curr.currencies:
+            currencies.add(c['code'])
+        assert currencies == {'EUR', 'CAD'}
+
+    # we still should have save the empty currencies list
+    def test_unique_currencies_empty(self, reqmock):
+        reqmock.get('https://api/exchange_rate_tables/abc_id',
+                    status_code=200, text='{"id":"abc_id"}')
+        fx_table = ExchangeRateTable.retrieve('abc_id')
+
+        reqmock.get('https://api/exchange_rate_tables/abc_id/currencies',
+                    status_code=200, text='{"currencies": []}')
+        curr = fx_table.currencies()
+        assert hasattr(curr, 'currencies')
+        assert len(curr.currencies) == 0