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Corrected the setup and teardown of the refactored invalid_models tes…

…t so that it guarantees that stdout is restored, and purges all the temporary models from the app cache after running the test.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16670 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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1 parent be4acff commit 8b87a94357c1e52c9d5aed8c684e1a4f1dcc1c89 @freakboy3742 freakboy3742 committed Aug 23, 2011
Showing with 28 additions and 15 deletions.
  1. +28 −15 tests/modeltests/invalid_models/tests.py
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43 tests/modeltests/invalid_models/tests.py
@@ -1,3 +1,8 @@
+import copy
+
+from django.core.management.validation import get_validation_errors
+from django.db.models.loading import cache, load_app
+from cStringIO import StringIO
import sys
from django.utils import unittest
@@ -6,32 +11,40 @@
class InvalidModelTestCase(unittest.TestCase):
"""Import an appliation with invalid models and test the exceptions."""
+ def setUp(self):
+ # Make sure sys.stdout is not a tty so that we get errors without
+ # coloring attached (makes matching the results easier). We restore
+ # sys.stderr afterwards.
+ self.old_stdout = sys.stdout
+ self.stdout = StringIO()
+ sys.stdout = self.stdout
+
+ # This test adds dummy applications to the app cache. These
+ # need to be removed in order to prevent bad interactions
+ # with the flush operation in other tests.
+ self.old_app_models = copy.deepcopy(cache.app_models)
+ self.old_app_store = copy.deepcopy(cache.app_store)
+
+ def tearDown(self):
+ cache.app_models = self.old_app_models
+ cache.app_store = self.old_app_store
+ cache._get_models_cache = {}
+ sys.stdout = self.old_stdout
+
def test_invalid_models(self):
- from django.core.management.validation import get_validation_errors
- from django.db.models.loading import load_app
- from cStringIO import StringIO
try:
module = load_app("modeltests.invalid_models.invalid_models")
except Exception, e:
self.fail('Unable to load invalid model module')
- # Make sure sys.stdout is not a tty so that we get errors without
- # coloring attached (makes matching the results easier). We restore
- # sys.stderr afterwards.
- orig_stdout = sys.stdout
- s = StringIO()
- sys.stdout = s
- count = get_validation_errors(s, module)
- sys.stdout = orig_stdout
- s.seek(0)
- error_log = s.read()
+ count = get_validation_errors(self.stdout, module)
+ self.stdout.seek(0)
+ error_log = self.stdout.read()
actual = error_log.split('\n')
expected = module.model_errors.split('\n')
unexpected = [err for err in actual if err not in expected]
missing = [err for err in expected if err not in actual]
self.assertFalse(unexpected, "Unexpected Errors: " + '\n'.join(unexpected))
self.assertFalse(missing, "Missing Errors: " + '\n'.join(missing))
-
-

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