Beispiel #1
0
    def validate(self, app=None, display_num_errors=False):
        """
        Validates the given app, raising CommandError for any errors.

        If app is None, then this will validate all installed apps.

        """
        from djangocg.core.management.validation import get_validation_errors
        s = StringIO()
        num_errors = get_validation_errors(s, app)
        if num_errors:
            s.seek(0)
            error_text = s.read()
            raise CommandError("One or more models did not validate:\n%s" % error_text)
        if display_num_errors:
            self.stdout.write("%s error%s found" % (num_errors, num_errors != 1 and 's' or ''))
Beispiel #2
0
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):

        try:
            module = load_app("modeltests.invalid_models.invalid_models")
        except Exception:
            self.fail("Unable to load invalid model module")

        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))