Michael Merickel
2018-10-18 e4c0570d5c67ddf0ad9502169b59475ba0784d82
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import unittest
from zope.interface import Interface
from zope.interface import implementer
 
 
class TestRegistry(unittest.TestCase):
    def _getTargetClass(self):
        from pyramid.registry import Registry
 
        return Registry
 
    def _makeOne(self, *args, **kw):
        return self._getTargetClass()(*args, **kw)
 
    def test___nonzero__(self):
        registry = self._makeOne()
        self.assertEqual(registry.__nonzero__(), True)
 
    def test__lock(self):
        registry = self._makeOne()
        self.assertTrue(registry._lock)
 
    def test_clear_view_cache_lookup(self):
        registry = self._makeOne()
        registry._view_lookup_cache[1] = 2
        registry._clear_view_lookup_cache()
        self.assertEqual(registry._view_lookup_cache, {})
 
    def test_package_name(self):
        package_name = 'testing'
        registry = self._makeOne(package_name)
        self.assertEqual(registry.package_name, package_name)
 
    def test_default_package_name(self):
        registry = self._makeOne()
        self.assertEqual(registry.package_name, 'tests')
 
    def test_registerHandler_and_notify(self):
        registry = self._makeOne()
        self.assertEqual(registry.has_listeners, False)
        L = []
 
        def f(event):
            L.append(event)
 
        registry.registerHandler(f, [IDummyEvent])
        self.assertEqual(registry.has_listeners, True)
        event = DummyEvent()
        registry.notify(event)
        self.assertEqual(L, [event])
 
    def test_registerSubscriptionAdapter(self):
        registry = self._makeOne()
        self.assertEqual(registry.has_listeners, False)
        from zope.interface import Interface
 
        registry.registerSubscriptionAdapter(
            DummyEvent, [IDummyEvent], Interface
        )
        self.assertEqual(registry.has_listeners, True)
 
    def test__get_settings(self):
        registry = self._makeOne()
        registry._settings = 'foo'
        self.assertEqual(registry.settings, 'foo')
 
    def test__set_settings(self):
        registry = self._makeOne()
        registry.settings = 'foo'
        self.assertEqual(registry._settings, 'foo')
 
    def test_init_forwards_args(self):
        from zope.interface import Interface
        from zope.interface.registry import Components
 
        dummy = object()
        c = Components()
        c.registerUtility(dummy, Interface)
        registry = self._makeOne('foo', (c,))
        self.assertEqual(registry.__name__, 'foo')
        self.assertEqual(registry.getUtility(Interface), dummy)
 
    def test_init_forwards_kw(self):
        from zope.interface import Interface
        from zope.interface.registry import Components
 
        dummy = object()
        c = Components()
        c.registerUtility(dummy, Interface)
        registry = self._makeOne(bases=(c,))
        self.assertEqual(registry.getUtility(Interface), dummy)
 
 
class TestIntrospector(unittest.TestCase):
    def _getTargetClass(slf):
        from pyramid.registry import Introspector
 
        return Introspector
 
    def _makeOne(self):
        return self._getTargetClass()()
 
    def test_conformance(self):
        from zope.interface.verify import verifyClass
        from zope.interface.verify import verifyObject
        from pyramid.interfaces import IIntrospector
 
        verifyClass(IIntrospector, self._getTargetClass())
        verifyObject(IIntrospector, self._makeOne())
 
    def test_add(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        inst.add(intr)
        self.assertEqual(intr.order, 0)
        category = {'discriminator': intr, 'discriminator_hash': intr}
        self.assertEqual(inst._categories, {'category': category})
 
    def test_get_success(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        inst.add(intr)
        self.assertEqual(inst.get('category', 'discriminator'), intr)
 
    def test_get_success_byhash(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        inst.add(intr)
        self.assertEqual(inst.get('category', 'discriminator_hash'), intr)
 
    def test_get_fail(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        inst.add(intr)
        self.assertEqual(inst.get('category', 'wontexist', 'foo'), 'foo')
 
    def test_get_category(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        intr2 = DummyIntrospectable()
        intr2.discriminator = 'discriminator2'
        intr2.discriminator_hash = 'discriminator2_hash'
        inst.add(intr2)
        inst.add(intr)
        expected = [
            {'introspectable': intr2, 'related': []},
            {'introspectable': intr, 'related': []},
        ]
        self.assertEqual(inst.get_category('category'), expected)
 
    def test_get_category_returns_default_on_miss(self):
        inst = self._makeOne()
        self.assertEqual(inst.get_category('category', '123'), '123')
 
    def test_get_category_with_sortkey(self):
        import operator
 
        inst = self._makeOne()
        intr = DummyIntrospectable()
        intr.foo = 2
        intr2 = DummyIntrospectable()
        intr2.discriminator = 'discriminator2'
        intr2.discriminator_hash = 'discriminator2_hash'
        intr2.foo = 1
        inst.add(intr)
        inst.add(intr2)
        expected = [
            {'introspectable': intr2, 'related': []},
            {'introspectable': intr, 'related': []},
        ]
        self.assertEqual(
            inst.get_category('category', sort_key=operator.attrgetter('foo')),
            expected,
        )
 
    def test_categorized(self):
        import operator
 
        inst = self._makeOne()
        intr = DummyIntrospectable()
        intr.foo = 2
        intr2 = DummyIntrospectable()
        intr2.discriminator = 'discriminator2'
        intr2.discriminator_hash = 'discriminator2_hash'
        intr2.foo = 1
        inst.add(intr)
        inst.add(intr2)
        expected = [
            (
                'category',
                [
                    {'introspectable': intr2, 'related': []},
                    {'introspectable': intr, 'related': []},
                ],
            )
        ]
        self.assertEqual(
            inst.categorized(sort_key=operator.attrgetter('foo')), expected
        )
 
    def test_categories(self):
        inst = self._makeOne()
        inst._categories['a'] = 1
        inst._categories['b'] = 2
        self.assertEqual(list(inst.categories()), ['a', 'b'])
 
    def test_remove(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        intr2 = DummyIntrospectable()
        intr2.category_name = 'category2'
        intr2.discriminator = 'discriminator2'
        intr2.discriminator_hash = 'discriminator2_hash'
        inst.add(intr)
        inst.add(intr2)
        inst.relate(
            ('category', 'discriminator'), ('category2', 'discriminator2')
        )
        inst.remove('category', 'discriminator')
        self.assertEqual(
            inst._categories,
            {
                'category': {},
                'category2': {
                    'discriminator2': intr2,
                    'discriminator2_hash': intr2,
                },
            },
        )
        self.assertEqual(inst._refs.get(intr), None)
        self.assertEqual(inst._refs[intr2], [])
 
    def test_remove_fail(self):
        inst = self._makeOne()
        self.assertEqual(inst.remove('a', 'b'), None)
 
    def test_relate(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        intr2 = DummyIntrospectable()
        intr2.category_name = 'category2'
        intr2.discriminator = 'discriminator2'
        intr2.discriminator_hash = 'discriminator2_hash'
        inst.add(intr)
        inst.add(intr2)
        inst.relate(
            ('category', 'discriminator'), ('category2', 'discriminator2')
        )
        self.assertEqual(
            inst._categories,
            {
                'category': {
                    'discriminator': intr,
                    'discriminator_hash': intr,
                },
                'category2': {
                    'discriminator2': intr2,
                    'discriminator2_hash': intr2,
                },
            },
        )
        self.assertEqual(inst._refs[intr], [intr2])
        self.assertEqual(inst._refs[intr2], [intr])
 
    def test_relate_fail(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        inst.add(intr)
        self.assertRaises(
            KeyError,
            inst.relate,
            ('category', 'discriminator'),
            ('category2', 'discriminator2'),
        )
 
    def test_unrelate(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        intr2 = DummyIntrospectable()
        intr2.category_name = 'category2'
        intr2.discriminator = 'discriminator2'
        intr2.discriminator_hash = 'discriminator2_hash'
        inst.add(intr)
        inst.add(intr2)
        inst.relate(
            ('category', 'discriminator'), ('category2', 'discriminator2')
        )
        inst.unrelate(
            ('category', 'discriminator'), ('category2', 'discriminator2')
        )
        self.assertEqual(
            inst._categories,
            {
                'category': {
                    'discriminator': intr,
                    'discriminator_hash': intr,
                },
                'category2': {
                    'discriminator2': intr2,
                    'discriminator2_hash': intr2,
                },
            },
        )
        self.assertEqual(inst._refs[intr], [])
        self.assertEqual(inst._refs[intr2], [])
 
    def test_related(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        intr2 = DummyIntrospectable()
        intr2.category_name = 'category2'
        intr2.discriminator = 'discriminator2'
        intr2.discriminator_hash = 'discriminator2_hash'
        inst.add(intr)
        inst.add(intr2)
        inst.relate(
            ('category', 'discriminator'), ('category2', 'discriminator2')
        )
        self.assertEqual(inst.related(intr), [intr2])
 
    def test_related_fail(self):
        inst = self._makeOne()
        intr = DummyIntrospectable()
        intr2 = DummyIntrospectable()
        intr2.category_name = 'category2'
        intr2.discriminator = 'discriminator2'
        intr2.discriminator_hash = 'discriminator2_hash'
        inst.add(intr)
        inst.add(intr2)
        inst.relate(
            ('category', 'discriminator'), ('category2', 'discriminator2')
        )
        del inst._categories['category']
        self.assertRaises(KeyError, inst.related, intr)
 
 
class TestIntrospectable(unittest.TestCase):
    def _getTargetClass(slf):
        from pyramid.registry import Introspectable
 
        return Introspectable
 
    def _makeOne(self, *arg, **kw):
        return self._getTargetClass()(*arg, **kw)
 
    def _makeOnePopulated(self):
        return self._makeOne('category', 'discrim', 'title', 'type')
 
    def test_conformance(self):
        from zope.interface.verify import verifyClass
        from zope.interface.verify import verifyObject
        from pyramid.interfaces import IIntrospectable
 
        verifyClass(IIntrospectable, self._getTargetClass())
        verifyObject(IIntrospectable, self._makeOnePopulated())
 
    def test_relate(self):
        inst = self._makeOnePopulated()
        inst.relate('a', 'b')
        self.assertEqual(inst._relations, [(True, 'a', 'b')])
 
    def test_unrelate(self):
        inst = self._makeOnePopulated()
        inst.unrelate('a', 'b')
        self.assertEqual(inst._relations, [(False, 'a', 'b')])
 
    def test_discriminator_hash(self):
        inst = self._makeOnePopulated()
        self.assertEqual(inst.discriminator_hash, hash(inst.discriminator))
 
    def test___hash__(self):
        inst = self._makeOnePopulated()
        self.assertEqual(
            hash(inst), hash((inst.category_name,) + (inst.discriminator,))
        )
 
    def test___repr__(self):
        inst = self._makeOnePopulated()
        self.assertEqual(
            repr(inst),
            "<Introspectable category 'category', discriminator 'discrim'>",
        )
 
    def test___nonzero__(self):
        inst = self._makeOnePopulated()
        self.assertEqual(inst.__nonzero__(), True)
 
    def test___bool__(self):
        inst = self._makeOnePopulated()
        self.assertEqual(inst.__bool__(), True)
 
    def test_register(self):
        introspector = DummyIntrospector()
        action_info = object()
        inst = self._makeOnePopulated()
        inst._relations.append((True, 'category1', 'discrim1'))
        inst._relations.append((False, 'category2', 'discrim2'))
        inst.register(introspector, action_info)
        self.assertEqual(inst.action_info, action_info)
        self.assertEqual(introspector.intrs, [inst])
        self.assertEqual(
            introspector.relations,
            [(('category', 'discrim'), ('category1', 'discrim1'))],
        )
        self.assertEqual(
            introspector.unrelations,
            [(('category', 'discrim'), ('category2', 'discrim2'))],
        )
 
 
class DummyIntrospector(object):
    def __init__(self):
        self.intrs = []
        self.relations = []
        self.unrelations = []
 
    def add(self, intr):
        self.intrs.append(intr)
 
    def relate(self, *pairs):
        self.relations.append(pairs)
 
    def unrelate(self, *pairs):
        self.unrelations.append(pairs)
 
 
class DummyModule:
    __path__ = "foo"
    __name__ = "dummy"
    __file__ = ''
 
 
class DummyIntrospectable(object):
    category_name = 'category'
    discriminator = 'discriminator'
    title = 'title'
    type_name = 'type'
    order = None
    action_info = None
    discriminator_hash = 'discriminator_hash'
 
    def __hash__(self):
        return hash((self.category_name,) + (self.discriminator,))
 
 
class IDummyEvent(Interface):
    pass
 
 
@implementer(IDummyEvent)
class DummyEvent(object):
    pass