Add tests to verify we order stuff correctly

Bert JW Regeer

2015-10-21 d11119922ec91da838b81f0c7ae5855adc596b79

Add tests to verify we order stuff correctly

Specifically we want to make sure that rendered_view always comes first,
unless a user overrides it by name.

 pyramid/tests/test_config/test_derivations.py

@@ -1086,6 +1086,98 @@
            view, http_cache=(None,))


class TestDerivationOrder(unittest.TestCase):
    def setUp(self):
        self.config = testing.setUp()

    def tearDown(self):
        self.config = None
        testing.tearDown()

    def test_right_order_user_sorted(self):
        from pyramid.interfaces import IViewDerivers

        self.config.add_view_derivation('deriv1', None, default=None)
        self.config.add_view_derivation('deriv2', None, default=None, over='deriv1')
        self.config.add_view_derivation('deriv3', None, default=None, under='deriv2')

        derivers = self.config.registry.queryUtility(IViewDerivers, default=[])
        derivers_sorted = derivers.sorted()
        dlist = [d for (d, _) in derivers_sorted]
        self.assertEqual([
            'rendered_view',
            'deriv2',
            'deriv3',
            'deriv1',
            'decorated_view',
            'http_cached_view',
            'owrapped_view',
            'secured_view',
            'authdebug_view',
            ], dlist)

    def test_right_order_implicit(self):
        from pyramid.interfaces import IViewDerivers

        self.config.add_view_derivation('deriv1', None, default=None)
        self.config.add_view_derivation('deriv2', None, default=None)
        self.config.add_view_derivation('deriv3', None, default=None)

        derivers = self.config.registry.queryUtility(IViewDerivers, default=[])
        derivers_sorted = derivers.sorted()
        dlist = [d for (d, _) in derivers_sorted]
        self.assertEqual([
            'rendered_view',
            'deriv1',
            'deriv2',
            'deriv3',
            'decorated_view',
            'http_cached_view',
            'owrapped_view',
            'secured_view',
            'authdebug_view',
            ], dlist)

    def test_right_order_over_rendered_view(self):
        from pyramid.interfaces import IViewDerivers

        self.config.add_view_derivation('deriv1', None, default=None, over='rendered_view')

        derivers = self.config.registry.queryUtility(IViewDerivers, default=[])
        derivers_sorted = derivers.sorted()
        dlist = [d for (d, _) in derivers_sorted]
        self.assertEqual(['deriv1',
            'rendered_view',
            'decorated_view',
            'http_cached_view',
            'owrapped_view',
            'secured_view',
            'authdebug_view',
            ], dlist)


    def test_right_order_over_rendered_view_others(self):
        from pyramid.interfaces import IViewDerivers

        self.config.add_view_derivation('deriv1', None, default=None, over='rendered_view')
        self.config.add_view_derivation('deriv2', None, default=None)
        self.config.add_view_derivation('deriv3', None, default=None)

        derivers = self.config.registry.queryUtility(IViewDerivers, default=[])
        derivers_sorted = derivers.sorted()
        dlist = [d for (d, _) in derivers_sorted]
        self.assertEqual(['deriv1',
            'rendered_view',
            'deriv2',
            'deriv3',
            'decorated_view',
            'http_cached_view',
            'owrapped_view',
            'secured_view',
            'authdebug_view',
            ], dlist)


class TestAddDerivation(unittest.TestCase):

    def setUp(self):
@@ -1196,6 +1288,7 @@
        result = self.config._derive_view(view)
        self.assertEqual(response.deriv, ['deriv2', 'deriv3', 'deriv1'])


class TestDerivationIntegration(unittest.TestCase):
    def setUp(self):
        self.config = testing.setUp()