first cut at indicating that only some predicates are negatable

Chris McDonough

2013-07-31 5fc0d36724a6197c8c0106e846d8e78e1219b1fe

 pyramid/tests/test_config/test_util.py

@@ -365,19 +365,31 @@
        from pyramid.exceptions import ConfigurationError
        self.assertRaises(ConfigurationError, self._callFUT, unknown=1)

    def test_notted(self):
    def test_notted_configerror(self):
        from pyramid.exceptions import ConfigurationError
        from pyramid.config import not_
        from pyramid.testing import DummyRequest
        request = DummyRequest()
        _, predicates, _ = self._callFUT(
        self.assertRaises(ConfigurationError, self._callFUT,
            xhr='xhr',
            request_method=not_('POST'),
            header=not_('header'),
            )

    def test_notted_ok(self):
        from pyramid.config import not_
        _, predicates, _ = self._callFUT(
            xhr='xhr',
            path_info=not_('/path_info'),
            header=not_('header'),
            )
        from pyramid.testing import DummyRequest
        request = DummyRequest()
        request.upath_info = request.path_info
        request.is_xhr = False
        self.assertEqual(predicates[0].text(), 'xhr = True')
        self.assertEqual(predicates[1].text(),
                         "!request_method = POST")
        self.assertEqual(predicates[2].text(), '!header header')
        self.assertEqual(predicates[1].text(), '!path_info = /path_info')
        self.assertEqual(predicates[2].text(),
                         "!header header")
        self.assertEqual(predicates[0](None, request), False)
        self.assertEqual(predicates[1](None, request), True)
        self.assertEqual(predicates[2](None, request), True)