Currency converter's unit test + DDG correction

Does anyone know how to trigger the except in the currency converter while still being matched by the regex ?

searx/tests/engines/test_currency_convert.py

@@ -0,0 +1,44 @@
+from collections import defaultdict
+from datetime import datetime
+import mock
+from searx.engines import currency_convert
+from searx.testing import SearxTestCase
+
+
+class TestCurrencyConvertEngine(SearxTestCase):
+
+    def test_request(self):
+        query = 'test_query'
+        dicto = defaultdict(dict)
+        dicto['pageno'] = 1
+        params = currency_convert.request(query, dicto)
+        self.assertNotIn('url', params)
+
+        query = '1.1.1 EUR in USD'
+        params = currency_convert.request(query, dicto)
+        self.assertNotIn('url', params)
+
+        query = '10 eur in usd'
+        params = currency_convert.request(query, dicto)
+        self.assertIn('url', params)
+        self.assertIn('finance.yahoo.com', params['url'])
+        self.assertIn('EUR', params['url'])
+        self.assertIn('USD', params['url'])
+
+    def test_response(self):
+        dicto = defaultdict(dict)
+        dicto['ammount'] = 10
+        dicto['from'] = "EUR"
+        dicto['to'] = "USD"
+        response = mock.Mock(text='a,b,c,d', search_params=dicto)
+        self.assertEqual(currency_convert.response(response), [])
+
+        csv = "2,0.5,1"
+        response = mock.Mock(text=csv, search_params=dicto)
+        results = currency_convert.response(response)
+        self.assertEqual(type(results), list)
+        self.assertEqual(len(results), 1)
+        self.assertEqual(results[0]['answer'], '10 EUR = 5.0 USD (1 EUR = 0.5 USD)')
+        now_date = datetime.now().strftime('%Y%m%d')
+        self.assertEqual(results[0]['url'], 'http://finance.yahoo.com/currency/converter-results/' +
+                                            now_date + '/10-eur-to-usd.html')

searx/tests/engines/test_duckduckgo.py

@@ -4,7 +4,7 @@ from searx.engines import duckduckgo
 from searx.testing import SearxTestCase
 
 
-class TestBingEngine(SearxTestCase):
+class TestDuckduckgoEngine(SearxTestCase):
 
     def test_request(self):
         query = 'test_query'

searx/tests/test_engines.py

@@ -2,6 +2,7 @@ from searx.tests.engines.test_bing import *  # noqa
 from searx.tests.engines.test_bing_images import *  # noqa
 from searx.tests.engines.test_bing_news import *  # noqa
 from searx.tests.engines.test_btdigg import *  # noqa
+from searx.tests.engines.test_currency_convert import *  # noqa
 from searx.tests.engines.test_dailymotion import *  # noqa
 from searx.tests.engines.test_deezer import *  # noqa
 from searx.tests.engines.test_deviantart import *  # noqa