[Checkins] SVN: zope.schema/branches/tseaver-test_cleanup/src/zope/schema/tests/test__bootstrapfields.py Coverage for z.s._bf.{Validated, Default}Property.

[Tres Seaver]

Log message for revision 125242:
  Coverage for z.s._bf.{Validated,Default}Property.

Changed:
  A   zope.schema/branches/tseaver-test_cleanup/src/zope/schema/tests/test__bootstrapfields.py

-=-
Added: zope.schema/branches/tseaver-test_cleanup/src/zope/schema/tests/test__bootstrapfields.py
===================================================================
--- zope.schema/branches/tseaver-test_cleanup/src/zope/schema/tests/test__bootstrapfields.py	                        (rev 0)
+++ zope.schema/branches/tseaver-test_cleanup/src/zope/schema/tests/test__bootstrapfields.py	2012-04-23 21:58:17 UTC (rev 125242)
@@ -0,0 +1,143 @@
+##############################################################################
+#
+# Copyright (c) 2012 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 ValidatedPropertyTests(unittest.TestCase):
+
+    def _getTargetClass(self):
+        from zope.schema._bootstrapfields import ValidatedProperty
+        return ValidatedProperty
+
+    def _makeOne(self, *args, **kw):
+        return self._getTargetClass()(*args, **kw)
+
+    def test___set___not_missing_w_check(self):
+        _checked = []
+        def _check(inst, value):
+            _checked.append((inst, value))
+        class Test(DummyInst):
+            _prop = None
+            prop = self._makeOne('_prop', _check)
+        inst = Test()
+        inst.prop = 'PROP'
+        self.assertEqual(inst._prop, 'PROP')
+        self.assertEqual(_checked, [(inst, 'PROP')])
+
+    def test___set___not_missing_wo_check(self):
+        class Test(DummyInst):
+            _prop = None
+            prop = self._makeOne('_prop')
+        inst = Test(ValueError)
+        def _provoke(inst):
+            inst.prop = 'PROP'
+        self.assertRaises(ValueError, _provoke, inst)
+        self.assertEqual(inst._prop, None)
+
+    def test___set___w_missing_wo_check(self):
+        class Test(DummyInst):
+            _prop = None
+            prop = self._makeOne('_prop')
+        inst = Test(ValueError)
+        inst.prop = DummyInst.missing_value
+        self.assertEqual(inst._prop, DummyInst.missing_value)
+
+    def test___get__(self):
+        class Test(DummyInst):
+            _prop = None
+            prop = self._makeOne('_prop')
+        inst = Test()
+        inst._prop = 'PROP'
+        self.assertEqual(inst.prop, 'PROP')
+
+
+class DefaultPropertyTests(unittest.TestCase):
+
+    def _getTargetClass(self):
+        from zope.schema._bootstrapfields import DefaultProperty
+        return DefaultProperty
+
+    def _makeOne(self, *args, **kw):
+        return self._getTargetClass()(*args, **kw)
+
+    def test___get___wo_defaultFactory_miss(self):
+        class Test(DummyInst):
+            _prop = None
+            prop = self._makeOne('_prop')
+        inst = Test()
+        inst.defaultFactory = None
+        def _provoke(inst):
+            return inst.prop
+        self.assertRaises(KeyError, _provoke, inst)
+
+    def test___get___wo_defaultFactory_hit(self):
+        class Test(DummyInst):
+            _prop = None
+            prop = self._makeOne('_prop')
+        inst = Test()
+        inst.defaultFactory = None
+        inst._prop = 'PROP'
+        self.assertEqual(inst.prop, 'PROP')
+
+    def test___get___w_defaultFactory_not_ICAF_no_check(self):
+        class Test(DummyInst):
+            _prop = None
+            prop = self._makeOne('_prop')
+        inst = Test(ValueError)
+        def _factory():
+            return 'PROP'
+        inst.defaultFactory = _factory
+        def _provoke(inst):
+            return inst.prop
+        self.assertRaises(ValueError, _provoke, inst)
+
+    def test___get___w_defaultFactory_w_ICAF_w_check(self):
+        from zope.interface import directlyProvides
+        from zope.schema._bootstrapinterfaces \
+            import IContextAwareDefaultFactory
+        _checked = []
+        def _check(inst, value):
+            _checked.append((inst, value))
+        class Test(DummyInst):
+            _prop = None
+            prop = self._makeOne('_prop', _check)
+        inst = Test(ValueError)
+        inst.context = object()
+        _called_with = []
+        def _factory(context):
+            _called_with.append(context)
+            return 'PROP'
+        directlyProvides(_factory, IContextAwareDefaultFactory)
+        inst.defaultFactory = _factory
+        self.assertEqual(inst.prop, 'PROP')
+        self.assertEqual(_checked, [(inst, 'PROP')])
+        self.assertEqual(_called_with, [inst.context])
+
+
+class DummyInst(object):
+    missing_value = object()
+
+    def __init__(self, exc=None):
+        self._exc = exc
+
+    def validate(self, value):
+        if self._exc is not None:
+            raise self._exc()
+
+
+def test_suite():
+    return unittest.TestSuite((
+        unittest.makeSuite(ValidatedPropertyTests),
+        unittest.makeSuite(DefaultPropertyTests),
+    ))