publishFullContrib: true for ydb

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commit_hash:c82a80ac4594723cebf2c7387dec9c60217f603e

8 files changed, 598 insertions, 0 deletions

diff --git a/contrib/python/zope.interface/py3/zope/interface/common/tests/__init__.py b/contrib/python/zope.interface/py3/zope/interface/common/tests/__init__.py
new file mode 100644
index 0000000000..f70a530999
--- /dev/null
+++ b/contrib/python/zope.interface/py3/zope/interface/common/tests/__init__.py
@@ -0,0 +1,146 @@
+##############################################################################
+# Copyright (c) 2020 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+##############################################################################
+
+import unittest
+
+from zope.interface.common import ABCInterface
+from zope.interface.common import ABCInterfaceClass
+from zope.interface.verify import verifyClass
+from zope.interface.verify import verifyObject
+
+
+def iter_abc_interfaces(predicate=lambda iface: True):
+    # Iterate ``(iface, classes)``, where ``iface`` is a descendent of
+    # the ABCInterfaceClass passing the *predicate* and ``classes`` is
+    # an iterable of classes registered to conform to that interface.
+    #
+    # Note that some builtin classes are registered for two distinct parts of
+    # the ABC/interface tree. For example, bytearray is both ByteString and
+    # MutableSequence.
+    seen = set()
+    stack = list(
+        ABCInterface.dependents
+    )  # subclasses, but also implementedBy objects
+
+    while stack:
+        iface = stack.pop(0)
+        if iface in seen or not isinstance(iface, ABCInterfaceClass):
+            continue
+        seen.add(iface)
+        stack.extend(list(iface.dependents))
+        if not predicate(iface):
+            continue
+
+        registered = set(iface.getRegisteredConformers())
+        registered -= set(iface._ABCInterfaceClass__ignored_classes)
+        if registered:
+            yield iface, registered
+
+
+def add_abc_interface_tests(cls, module):
+    def predicate(iface):
+        return iface.__module__ == module
+    add_verify_tests(cls, iter_abc_interfaces(predicate))
+
+
+def add_verify_tests(cls, iface_classes_iter):
+    cls.maxDiff = None
+    for iface, registered_classes in iface_classes_iter:
+        for stdlib_class in registered_classes:
+            def test(self, stdlib_class=stdlib_class, iface=iface):
+                if (
+                    stdlib_class in self.UNVERIFIABLE or
+                    stdlib_class.__name__ in self.UNVERIFIABLE
+                ):
+                    self.skipTest("Unable to verify %s" % stdlib_class)
+
+                self.assertTrue(self.verify(iface, stdlib_class))
+
+            suffix = "{}_{}_{}_{}".format(
+                stdlib_class.__module__.replace('.', '_'),
+                stdlib_class.__name__,
+                iface.__module__.replace('.', '_'),
+                iface.__name__
+            )
+            name = 'test_auto_' + suffix
+            test.__name__ = name
+            assert not hasattr(cls, name), (name, list(cls.__dict__))
+            setattr(cls, name, test)
+
+            def test_ro(self, stdlib_class=stdlib_class, iface=iface):
+                from zope.interface import Interface
+                from zope.interface import implementedBy
+                from zope.interface import ro
+                self.assertEqual(
+                    tuple(ro.ro(iface, strict=True)),
+                    iface.__sro__)
+                implements = implementedBy(stdlib_class)
+                sro = implements.__sro__
+                self.assertIs(sro[-1], Interface)
+
+                if stdlib_class not in self.UNVERIFIABLE_RO:
+                    # Check that we got the strict C3 resolution order, unless
+                    # we know we cannot. Note that 'Interface' is virtual base
+                    # that doesn't necessarily appear at the same place in the
+                    # calculated SRO as in the final SRO.
+                    strict = stdlib_class not in self.NON_STRICT_RO
+                    isro = ro.ro(implements, strict=strict)
+                    isro.remove(Interface)
+                    isro.append(Interface)
+
+                    self.assertEqual(tuple(isro), sro)
+
+            name = 'test_auto_ro_' + suffix
+            test_ro.__name__ = name
+            assert not hasattr(cls, name)
+            setattr(cls, name, test_ro)
+
+
+class VerifyClassMixin(unittest.TestCase):
+    verifier = staticmethod(verifyClass)
+    UNVERIFIABLE = ()
+    NON_STRICT_RO = ()
+    UNVERIFIABLE_RO = ()
+
+    def _adjust_object_before_verify(self, iface, x):
+        return x
+
+    def verify(self, iface, klass, **kwargs):
+        return self.verifier(iface,
+                             self._adjust_object_before_verify(iface, klass),
+                             **kwargs)
+
+
+class VerifyObjectMixin(VerifyClassMixin):
+    verifier = staticmethod(verifyObject)
+    CONSTRUCTORS = {
+    }
+
+    def _adjust_object_before_verify(self, iface, x):
+        constructor = self.CONSTRUCTORS.get(x)
+        if not constructor:
+            constructor = self.CONSTRUCTORS.get(iface)
+        if not constructor:
+            constructor = self.CONSTRUCTORS.get(x.__name__)
+        if not constructor:
+            constructor = x
+        if constructor is unittest.SkipTest:
+            self.skipTest("Cannot create " + str(x))
+
+        try:
+            result = constructor()
+        except Exception as e:  # pragma: no cover
+            raise TypeError(
+                f'Failed to create instance of {constructor}') from e
+        if hasattr(result, 'close'):
+            self.addCleanup(result.close)
+        return result
diff --git a/contrib/python/zope.interface/py3/zope/interface/common/tests/basemapping.py b/contrib/python/zope.interface/py3/zope/interface/common/tests/basemapping.py
new file mode 100644
index 0000000000..db4c091ff6
--- /dev/null
+++ b/contrib/python/zope.interface/py3/zope/interface/common/tests/basemapping.py
@@ -0,0 +1,115 @@
+##############################################################################
+#
+# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""Base Mapping tests
+"""
+from operator import __getitem__
+
+
+def _testIReadMapping(self, inst, state, absent):
+    for key in state:
+        self.assertEqual(inst[key], state[key])
+        self.assertEqual(inst.get(key, None), state[key])
+        self.assertTrue(key in inst)
+
+    for key in absent:
+        self.assertEqual(inst.get(key, None), None)
+        self.assertEqual(inst.get(key), None)
+        self.assertEqual(inst.get(key, self), self)
+        self.assertRaises(KeyError, __getitem__, inst, key)
+
+
+def _test_keys(self, inst, state):
+    # Return the keys of the mapping object
+    inst_keys = sorted(inst.keys())
+    state_keys = sorted(state.keys())
+    self.assertEqual(inst_keys, state_keys)
+
+
+def _test_iter(self, inst, state):
+    # Return the keys of the mapping object
+    inst_keys = sorted(inst)
+    state_keys = sorted(state.keys())
+    self.assertEqual(inst_keys, state_keys)
+
+
+def _test_values(self, inst, state):
+    # Return the values of the mapping object
+    inst_values = sorted(inst.values())
+    state_values = sorted(state.values())
+    self.assertEqual(inst_values, state_values)
+
+
+def _test_items(self, inst, state):
+    # Return the items of the mapping object
+    inst_items = sorted(inst.items())
+    state_items = sorted(state.items())
+    self.assertEqual(inst_items, state_items)
+
+
+def _test___len__(self, inst, state):
+    # Return the number of items
+    self.assertEqual(len(inst), len(state))
+
+
+def _testIEnumerableMapping(self, inst, state):
+    _test_keys(self, inst, state)
+    _test_items(self, inst, state)
+    _test_values(self, inst, state)
+    _test___len__(self, inst, state)
+
+
+class BaseTestIReadMapping:
+
+    def testIReadMapping(self):
+        inst = self._IReadMapping__sample()
+        state = self._IReadMapping__stateDict()
+        absent = self._IReadMapping__absentKeys()
+        _testIReadMapping(self, inst, state, absent)
+
+
+class BaseTestIEnumerableMapping(BaseTestIReadMapping):
+    # Mapping objects whose items can be enumerated
+
+    def test_keys(self):
+        # Return the keys of the mapping object
+        inst = self._IEnumerableMapping__sample()
+        state = self._IEnumerableMapping__stateDict()
+        _test_keys(self, inst, state)
+
+    def test_values(self):
+        # Return the values of the mapping object
+        inst = self._IEnumerableMapping__sample()
+        state = self._IEnumerableMapping__stateDict()
+        _test_values(self, inst, state)
+
+    def test_items(self):
+        # Return the items of the mapping object
+        inst = self._IEnumerableMapping__sample()
+        state = self._IEnumerableMapping__stateDict()
+        _test_items(self, inst, state)
+
+    def test___len__(self):
+        # Return the number of items
+        inst = self._IEnumerableMapping__sample()
+        state = self._IEnumerableMapping__stateDict()
+        _test___len__(self, inst, state)
+
+    def _IReadMapping__stateDict(self):
+        return self._IEnumerableMapping__stateDict()
+
+    def _IReadMapping__sample(self):
+        return self._IEnumerableMapping__sample()
+
+    def _IReadMapping__absentKeys(self):
+        return self._IEnumerableMapping__absentKeys()
diff --git a/contrib/python/zope.interface/py3/zope/interface/common/tests/test_builtins.py b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_builtins.py
new file mode 100644
index 0000000000..cf7019bfc5
--- /dev/null
+++ b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_builtins.py
@@ -0,0 +1,43 @@
+##############################################################################
+# Copyright (c) 2020 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+##############################################################################
+
+import unittest
+
+from zope.interface.common import builtins
+
+from . import VerifyClassMixin
+from . import VerifyObjectMixin
+from . import add_verify_tests
+
+
+class TestVerifyClass(VerifyClassMixin,
+                      unittest.TestCase):
+    pass
+
+
+add_verify_tests(TestVerifyClass, (
+    (builtins.IList, (list,)),
+    (builtins.ITuple, (tuple,)),
+    (builtins.ITextString, (str,)),
+    (builtins.IByteString, (bytes,)),
+    (builtins.INativeString, (str,)),
+    (builtins.IBool, (bool,)),
+    (builtins.IDict, (dict,)),
+    (builtins.IFile, ()),
+))
+
+
+class TestVerifyObject(VerifyObjectMixin,
+                       TestVerifyClass):
+    CONSTRUCTORS = {
+        builtins.IFile: lambda: open(__file__)
+    }
diff --git a/contrib/python/zope.interface/py3/zope/interface/common/tests/test_collections.py b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_collections.py
new file mode 100644
index 0000000000..6d23f6f960
--- /dev/null
+++ b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_collections.py
@@ -0,0 +1,137 @@
+##############################################################################
+# Copyright (c) 2020 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+##############################################################################
+
+
+import array
+import unittest
+from collections import OrderedDict
+from collections import abc
+from collections import deque
+from types import MappingProxyType
+
+from zope.interface import Invalid
+from zope.interface._compat import PYPY
+# Note that importing z.i.c.collections does work on import.
+from zope.interface.common import collections
+
+from . import VerifyClassMixin
+from . import VerifyObjectMixin
+from . import add_abc_interface_tests
+
+
+class TestVerifyClass(VerifyClassMixin, unittest.TestCase):
+
+    # Here we test some known builtin classes that are defined to implement
+    # various collection interfaces as a quick sanity test.
+    def test_frozenset(self):
+        self.assertIsInstance(frozenset(), abc.Set)
+        self.assertTrue(self.verify(collections.ISet, frozenset))
+
+    def test_list(self):
+        self.assertIsInstance(list(), abc.MutableSequence)
+        self.assertTrue(self.verify(collections.IMutableSequence, list))
+
+    # Here we test some derived classes.
+    def test_UserList(self):
+        self.assertTrue(self.verify(collections.IMutableSequence,
+                                    collections.UserList))
+
+    def test_UserDict(self):
+        self.assertTrue(self.verify(collections.IMutableMapping,
+                                    collections.UserDict))
+
+    def test_UserString(self):
+        self.assertTrue(self.verify(collections.ISequence,
+                                    collections.UserString))
+
+    # Now we go through the registry, which should have several things, mostly
+    # builtins, but if we've imported other libraries already, it could
+    # contain things from outside of there too. We aren't concerned about
+    # third-party code here, just standard library types. We start with a
+    # blacklist of things to exclude, but if that gets out of hand we can
+    # figure out a better whitelisting.
+    UNVERIFIABLE = {
+        # This is declared to be an ISequence, but is missing lots of methods,
+        # including some that aren't part of a language protocol, such as
+        # ``index`` and ``count``.
+        memoryview,
+        # 'pkg_resources._vendor.pyparsing.ParseResults' is registered as a
+        # MutableMapping but is missing methods like ``popitem`` and
+        # ``setdefault``.  It's imported due to namespace packages.
+        'ParseResults',
+        # sqlite3.Row claims ISequence but also misses ``index`` and
+        # ``count``.  It's imported because...? Coverage imports it, but why
+        # do we have it without coverage?
+        'Row',
+        # In Python 3.10 ``array.array`` appears as ``IMutableSequence`` but it
+        # does not provide a ``clear()`` method and it cannot be instantiated
+        # using ``array.array()``.
+        array.array,
+    }
+
+    if PYPY:
+        UNVERIFIABLE.update({
+            # collections.deque.pop() doesn't support the index= argument to
+            # MutableSequence.pop(). We can't verify this on CPython because
+            # we can't get the signature, but on PyPy we /can/ get the
+            # signature, and of course it doesn't match.
+            deque,
+            # Likewise for index
+            range,
+        })
+    UNVERIFIABLE_RO = {
+        # ``array.array`` fails the ``test_auto_ro_*`` tests with and
+        # without strict RO but only on Windows (AppVeyor) on Python 3.10.0
+        # (in older versions ``array.array`` does not appear as
+        # ``IMutableSequence``).
+        array.array,
+    }
+
+
+add_abc_interface_tests(TestVerifyClass, collections.ISet.__module__)
+
+
+class TestVerifyObject(VerifyObjectMixin,
+                       TestVerifyClass):
+    CONSTRUCTORS = {
+        collections.IValuesView: {}.values,
+        collections.IItemsView: {}.items,
+        collections.IKeysView: {}.keys,
+        memoryview: lambda: memoryview(b'abc'),
+        range: lambda: range(10),
+        MappingProxyType: lambda: MappingProxyType({}),
+        collections.UserString: lambda: collections.UserString('abc'),
+        type(iter(bytearray())): lambda: iter(bytearray()),
+        type(iter(b'abc')): lambda: iter(b'abc'),
+        'coroutine': unittest.SkipTest,
+        type(iter({}.keys())): lambda: iter({}.keys()),
+        type(iter({}.items())): lambda: iter({}.items()),
+        type(iter({}.values())): lambda: iter({}.values()),
+        type(i for i in range(1)): lambda: (i for i in range(3)),
+        type(iter([])): lambda: iter([]),
+        type(reversed([])): lambda: reversed([]),
+        'longrange_iterator': unittest.SkipTest,
+        'range_iterator': lambda: iter(range(3)),
+        'rangeiterator': lambda: iter(range(3)),
+        type(iter(set())): lambda: iter(set()),
+        type(iter('')): lambda: iter(''),
+        'async_generator': unittest.SkipTest,
+        type(iter(tuple())): lambda: iter(tuple()),
+    }
+
+    UNVERIFIABLE_RO = {
+        # ``array.array`` fails the ``test_auto_ro_*`` tests with and
+        # without strict RO but only on Windows (AppVeyor) on Python 3.10.0
+        # (in older versions ``array.array`` does not appear as
+        # ``IMutableSequence``).
+        array.array,
+    }
diff --git a/contrib/python/zope.interface/py3/zope/interface/common/tests/test_idatetime.py b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_idatetime.py
new file mode 100644
index 0000000000..9550daa1e4
--- /dev/null
+++ b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_idatetime.py
@@ -0,0 +1,48 @@
+##############################################################################
+#
+# Copyright (c) 2003 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""Test for datetime interfaces
+"""
+
+import unittest
+from datetime import date
+from datetime import datetime
+from datetime import time
+from datetime import timedelta
+from datetime import tzinfo
+
+from zope.interface.common.idatetime import IDate
+from zope.interface.common.idatetime import IDateClass
+from zope.interface.common.idatetime import IDateTime
+from zope.interface.common.idatetime import IDateTimeClass
+from zope.interface.common.idatetime import ITime
+from zope.interface.common.idatetime import ITimeClass
+from zope.interface.common.idatetime import ITimeDelta
+from zope.interface.common.idatetime import ITimeDeltaClass
+from zope.interface.common.idatetime import ITZInfo
+from zope.interface.verify import verifyClass
+from zope.interface.verify import verifyObject
+
+
+class TestDateTimeInterfaces(unittest.TestCase):
+
+    def test_interfaces(self):
+        verifyObject(ITimeDelta, timedelta(minutes=20))
+        verifyObject(IDate, date(2000, 1, 2))
+        verifyObject(IDateTime, datetime(2000, 1, 2, 10, 20))
+        verifyObject(ITime, time(20, 30, 15, 1234))
+        verifyObject(ITZInfo, tzinfo())
+        verifyClass(ITimeDeltaClass, timedelta)
+        verifyClass(IDateClass, date)
+        verifyClass(IDateTimeClass, datetime)
+        verifyClass(ITimeClass, time)
diff --git a/contrib/python/zope.interface/py3/zope/interface/common/tests/test_import_interfaces.py b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_import_interfaces.py
new file mode 100644
index 0000000000..67d14487a9
--- /dev/null
+++ b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_import_interfaces.py
@@ -0,0 +1,21 @@
+##############################################################################
+#
+# Copyright (c) 2006 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+import unittest
+
+
+class TestInterfaceImport(unittest.TestCase):
+
+    def test_import(self):
+        import zope.interface.common.interfaces as x
+        self.assertIsNotNone(x)
diff --git a/contrib/python/zope.interface/py3/zope/interface/common/tests/test_io.py b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_io.py
new file mode 100644
index 0000000000..72684bff06
--- /dev/null
+++ b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_io.py
@@ -0,0 +1,46 @@
+##############################################################################
+# Copyright (c) 2020 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+##############################################################################
+
+
+import io as abc
+import unittest
+
+# Note that importing z.i.c.io does work on import.
+from zope.interface.common import io
+
+from . import VerifyClassMixin
+from . import VerifyObjectMixin
+from . import add_abc_interface_tests
+
+
+class TestVerifyClass(VerifyClassMixin,
+                      unittest.TestCase):
+    pass
+
+
+add_abc_interface_tests(TestVerifyClass, io.IIOBase.__module__)
+
+
+class TestVerifyObject(VerifyObjectMixin,
+                       TestVerifyClass):
+    CONSTRUCTORS = {
+        abc.BufferedWriter: lambda: abc.BufferedWriter(abc.StringIO()),
+        abc.BufferedReader: lambda: abc.BufferedReader(abc.StringIO()),
+        abc.TextIOWrapper: lambda: abc.TextIOWrapper(abc.BytesIO()),
+        abc.BufferedRandom: lambda: abc.BufferedRandom(abc.BytesIO()),
+        abc.BufferedRWPair: lambda: abc.BufferedRWPair(
+            abc.BytesIO(), abc.BytesIO()
+        ),
+        abc.FileIO: lambda: abc.FileIO(__file__),
+        '_WindowsConsoleIO': unittest.SkipTest,
+        'WinConsoleIO': unittest.SkipTest,  # breaks on PyPy-3.10
+    }
diff --git a/contrib/python/zope.interface/py3/zope/interface/common/tests/test_numbers.py b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_numbers.py
new file mode 100644
index 0000000000..4e86514a1a
--- /dev/null
+++ b/contrib/python/zope.interface/py3/zope/interface/common/tests/test_numbers.py
@@ -0,0 +1,42 @@
+##############################################################################
+# Copyright (c) 2020 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+##############################################################################
+
+
+import numbers as abc
+import unittest
+
+# Note that importing z.i.c.numbers does work on import.
+from zope.interface.common import numbers
+
+from . import VerifyClassMixin
+from . import VerifyObjectMixin
+from . import add_abc_interface_tests
+
+
+class TestVerifyClass(VerifyClassMixin,
+                      unittest.TestCase):
+
+    def test_int(self):
+        self.assertIsInstance(int(), abc.Integral)
+        self.assertTrue(self.verify(numbers.IIntegral, int))
+
+    def test_float(self):
+        self.assertIsInstance(float(), abc.Real)
+        self.assertTrue(self.verify(numbers.IReal, float))
+
+
+add_abc_interface_tests(TestVerifyClass, numbers.INumber.__module__)
+
+
+class TestVerifyObject(VerifyObjectMixin,
+                       TestVerifyClass):
+    pass