Ausgabe der neuen DB Einträge

venv/lib/python3.9/site-packages/zope/interface/tests/test_exceptions.py

@@ -0,0 +1,184 @@
+##############################################################################
+#
+# Copyright (c) 2010 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.
+#
+##############################################################################
+""" zope.interface.exceptions unit tests
+"""
+import unittest
+
+def _makeIface():
+    from zope.interface import Interface
+    class IDummy(Interface):
+        pass
+    return IDummy
+
+class DoesNotImplementTests(unittest.TestCase):
+
+    def _getTargetClass(self):
+        from zope.interface.exceptions import DoesNotImplement
+        return DoesNotImplement
+
+    def _makeOne(self, *args):
+        iface = _makeIface()
+        return self._getTargetClass()(iface, *args)
+
+    def test___str__(self):
+        dni = self._makeOne()
+        self.assertEqual(
+            str(dni),
+            "An object has failed to implement interface "
+            "<InterfaceClass zope.interface.tests.test_exceptions.IDummy>: "
+            "Does not declaratively implement the interface."
+        )
+
+    def test___str__w_candidate(self):
+        dni = self._makeOne('candidate')
+        self.assertEqual(
+            str(dni),
+            "The object 'candidate' has failed to implement interface "
+            "<InterfaceClass zope.interface.tests.test_exceptions.IDummy>: "
+            "Does not declaratively implement the interface."
+        )
+
+
+class BrokenImplementationTests(unittest.TestCase):
+
+    def _getTargetClass(self):
+        from zope.interface.exceptions import BrokenImplementation
+        return BrokenImplementation
+
+    def _makeOne(self, *args):
+        iface = _makeIface()
+        return self._getTargetClass()(iface, 'missing', *args)
+
+    def test___str__(self):
+        dni = self._makeOne()
+        self.assertEqual(
+            str(dni),
+            'An object has failed to implement interface '
+            '<InterfaceClass zope.interface.tests.test_exceptions.IDummy>: '
+            "The 'missing' attribute was not provided.")
+
+    def test___str__w_candidate(self):
+        dni = self._makeOne('candidate')
+        self.assertEqual(
+            str(dni),
+            'The object \'candidate\' has failed to implement interface '
+            '<InterfaceClass zope.interface.tests.test_exceptions.IDummy>: '
+            "The 'missing' attribute was not provided.")
+
+
+def broken_function():
+    """
+    This is a global function with a simple argument list.
+
+    It exists to be able to report the same information when
+    formatting signatures under Python 2 and Python 3.
+    """
+
+
+class BrokenMethodImplementationTests(unittest.TestCase):
+
+    def _getTargetClass(self):
+        from zope.interface.exceptions import BrokenMethodImplementation
+        return BrokenMethodImplementation
+
+    message = 'I said so'
+
+    def _makeOne(self, *args):
+        return self._getTargetClass()('aMethod', self.message, *args)
+
+    def test___str__(self):
+        dni = self._makeOne()
+        self.assertEqual(
+            str(dni),
+            "An object has failed to implement interface <Unknown>: "
+            "The contract of 'aMethod' is violated because I said so."
+        )
+
+    def test___str__w_candidate_no_implementation(self):
+        dni = self._makeOne('some_function', '<IFoo>', 'candidate')
+        self.assertEqual(
+            str(dni),
+            "The object 'candidate' has failed to implement interface <IFoo>: "
+            "The contract of 'aMethod' is violated because I said so."
+        )
+
+    def test___str__w_candidate_w_implementation(self):
+        self.message = 'implementation is wonky'
+        dni = self._makeOne(broken_function, '<IFoo>', 'candidate')
+        self.assertEqual(
+            str(dni),
+            "The object 'candidate' has failed to implement interface <IFoo>: "
+            "The contract of 'aMethod' is violated because "
+            "'broken_function()' is wonky."
+        )
+
+    def test___str__w_candidate_w_implementation_not_callable(self):
+        self.message = 'implementation is not callable'
+        dni = self._makeOne(42, '<IFoo>', 'candidate')
+        self.assertEqual(
+            str(dni),
+            "The object 'candidate' has failed to implement interface <IFoo>: "
+            "The contract of 'aMethod' is violated because "
+            "'42' is not callable."
+        )
+
+    def test___repr__w_candidate(self):
+        dni = self._makeOne(None, 'candidate')
+        self.assertEqual(
+            repr(dni),
+            "BrokenMethodImplementation('aMethod', 'I said so', None, 'candidate')"
+        )
+
+
+class MultipleInvalidTests(unittest.TestCase):
+
+    def _getTargetClass(self):
+        from zope.interface.exceptions import MultipleInvalid
+        return MultipleInvalid
+
+    def _makeOne(self, excs):
+        iface = _makeIface()
+        return self._getTargetClass()(iface, 'target', excs)
+
+    def test__str__(self):
+        from zope.interface.exceptions import BrokenMethodImplementation
+        excs = [
+            BrokenMethodImplementation('aMethod', 'I said so'),
+            Exception("Regular exception")
+        ]
+        dni = self._makeOne(excs)
+        self.assertEqual(
+            str(dni),
+            "The object 'target' has failed to implement interface "
+            "<InterfaceClass zope.interface.tests.test_exceptions.IDummy>:\n"
+            "    The contract of 'aMethod' is violated because I said so\n"
+            "    Regular exception"
+        )
+
+    def test__repr__(self):
+        from zope.interface.exceptions import BrokenMethodImplementation
+        excs = [
+            BrokenMethodImplementation('aMethod', 'I said so'),
+            # Use multiple arguments to normalize repr; versions of Python
+            # prior to 3.7 add a trailing comma if there's just one.
+            Exception("Regular", "exception")
+        ]
+        dni = self._makeOne(excs)
+        self.assertEqual(
+            repr(dni),
+            "MultipleInvalid(<InterfaceClass zope.interface.tests.test_exceptions.IDummy>,"
+            " 'target',"
+            " (BrokenMethodImplementation('aMethod', 'I said so'),"
+            " Exception('Regular', 'exception')))"
+        )