From c736b80290dfd650bee0fa3c530da65792dcde32 Mon Sep 17 00:00:00 2001
From: Marc Tamlyn
Date: Mon, 7 Jan 2013 12:52:20 +0000
Subject: Be more informative when reporting import errors.

---
 rest_framework/tests/settings.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 rest_framework/tests/settings.py

(limited to 'rest_framework/tests/settings.py')

diff --git a/rest_framework/tests/settings.py b/rest_framework/tests/settings.py
new file mode 100644
index 00000000..0293fdc3
--- /dev/null
+++ b/rest_framework/tests/settings.py
@@ -0,0 +1,21 @@
+"""Tests for the settings module"""
+from django.test import TestCase
+
+from rest_framework.settings import APISettings, DEFAULTS, IMPORT_STRINGS
+
+
+class TestSettings(TestCase):
+    """Tests relating to the api settings"""
+
+    def test_non_import_errors(self):
+        """Make sure other errors aren't suppressed."""
+        settings = APISettings({'DEFAULT_MODEL_SERIALIZER_CLASS': 'rest_framework.tests.extras.bad_import.ModelSerializer'}, DEFAULTS, IMPORT_STRINGS)
+        with self.assertRaises(ValueError):
+            settings.DEFAULT_MODEL_SERIALIZER_CLASS
+
+    def test_import_error_message_maintained(self):
+        """Make sure real import errors are captured and raised sensibly."""
+        settings = APISettings({'DEFAULT_MODEL_SERIALIZER_CLASS': 'rest_framework.tests.extras.not_here.ModelSerializer'}, DEFAULTS, IMPORT_STRINGS)
+        with self.assertRaises(ImportError) as cm:
+            settings.DEFAULT_MODEL_SERIALIZER_CLASS
+        self.assertTrue('ImportError' in str(cm.exception))
-- 
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