Modify return values in ApiException

iland/exception.py

@@ -9,17 +9,17 @@ class ApiException(Exception):
     @property
     def error(self):
         """Returns the first argument used to construct this error."""
-        return self.args[0]
+        return self.args[0].get('type')
 
     @property
     def message(self):
         """Returns the second argument used to construct this error."""
-        return self.args[1]
+        return self.args[0].get('message')
 
     @property
     def detail_message(self):
         """Returns the third argument used to construct this error."""
-        return self.args[2]
+        return self.args[0].get('detail_message')
 
 
 class UnauthorizedException(ApiException):

tests/test_iland_int.py

@@ -143,6 +143,17 @@ def test_api_errors(self):
         with self.assertRaises(ApiException):
             self._api.get('/doesnotexist')
 
+    def test_api_exception_properties(self):
+        with self.assertRaises(ApiException) as e:
+            self._api.get('/doesnotexist')
+        api_exception = e.exception
+        self.assertEqual(api_exception.error, 
+                         'NotFoundError')
+        self.assertEqual(api_exception.message, 
+                         'The specified resource does not exist.')
+        self.assertIn('Could not find resource for full path', 
+                       api_exception.detail_message)
+
     @unittest.skipIf(not PROXIES, "No proxies defined")
     def test_get_with_proxy(self):
         self._api._proxies = PROXIES