Merge remote-tracking branch 'pelme/pytest' into feature/pytest

Conflicts:
	.travis.yml
	rest_framework/runtests/runtests.py
	tests/test_filters.py
	tests/test_pagination.py
	tox.ini

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/test_settings.py b/tests/test_settings.py
new file mode 100644
index 00000000..e29fc34a
--- /dev/null
+++ b/tests/test_settings.py
@@ -0,0 +1,22 @@
+"""Tests for the settings module"""
+from __future__ import unicode_literals
+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': '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': '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))