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##############################################################################
#
# 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.
#
##############################################################################
"""Schema field tests
"""
import unittest
def _makeSchema():
from zope.interface import Interface
from zope.schema import Bytes
class ISchemaTest(Interface):
title = Bytes(
title=u"Title",
description=u"Title",
default=b"",
required=True)
description = Bytes(
title=u"Description",
description=u"Description",
default=b"",
required=True)
spam = Bytes(
title=u"Spam",
description=u"Spam",
default=b"",
required=True)
return ISchemaTest
def _makeDerivedSchema():
from zope.schema import Bytes
base = _makeSchema()
class ISchemaTestSubclass(base):
foo = Bytes(
title=u'Foo',
description=u'Fooness',
default=b"",
required=False)
return ISchemaTestSubclass
class Test_getFields(unittest.TestCase):
def _callFUT(self, schema):
from zope.schema import getFields
return getFields(schema)
def test_simple(self):
fields = self._callFUT(_makeSchema())
self.assertTrue('title' in fields)
self.assertTrue('description' in fields)
self.assertTrue('spam' in fields)
# test whether getName() has the right value
for key, value in fields.items():
self.assertEqual(key, value.getName())
def test_derived(self):
fields = self._callFUT(_makeDerivedSchema())
self.assertTrue('title' in fields)
self.assertTrue('description' in fields)
self.assertTrue('spam' in fields)
self.assertTrue('foo' in fields)
# test whether getName() has the right value
for key, value in fields.items():
self.assertEqual(key, value.getName())
class Test_getFieldsInOrder(unittest.TestCase):
def _callFUT(self, schema):
from zope.schema import getFieldsInOrder
return getFieldsInOrder(schema)
def test_simple(self):
fields = self._callFUT(_makeSchema())
field_names = [name for name, field in fields]
self.assertEqual(field_names, ['title', 'description', 'spam'])
for key, value in fields:
self.assertEqual(key, value.getName())
def test_derived(self):
fields = self._callFUT(_makeDerivedSchema())
field_names = [name for name, field in fields]
self.assertEqual(field_names, ['title', 'description', 'spam', 'foo'])
for key, value in fields:
self.assertEqual(key, value.getName())
class Test_getFieldNames(unittest.TestCase):
def _callFUT(self, schema):
from zope.schema import getFieldNames
return getFieldNames(schema)
def test_simple(self):
names = self._callFUT(_makeSchema())
self.assertEqual(len(names), 3)
self.assertTrue('title' in names)
self.assertTrue('description' in names)
self.assertTrue('spam' in names)
def test_derived(self):
names = self._callFUT(_makeDerivedSchema())
self.assertEqual(len(names), 4)
self.assertTrue('title' in names)
self.assertTrue('description' in names)
self.assertTrue('spam' in names)
self.assertTrue('foo' in names)
class Test_getFieldNamesInOrder(unittest.TestCase):
def _callFUT(self, schema):
from zope.schema import getFieldNamesInOrder
return getFieldNamesInOrder(schema)
def test_simple(self):
names = self._callFUT(_makeSchema())
self.assertEqual(names, ['title', 'description', 'spam'])
def test_derived(self):
names = self._callFUT(_makeDerivedSchema())
self.assertEqual(names, ['title', 'description', 'spam', 'foo'])
class Test_getValidationErrors(unittest.TestCase):
def _callFUT(self, schema, object):
from zope.schema import getValidationErrors
return getValidationErrors(schema, object)
def test_schema(self):
from zope.interface import Interface
class IEmpty(Interface):
pass
errors = self._callFUT(IEmpty, object())
self.assertEqual(len(errors), 0)
def test_schema_with_field_errors(self):
from zope.interface import Interface
from zope.schema import Text
from zope.schema.interfaces import SchemaNotFullyImplemented
class IWithRequired(Interface):
must = Text(required=True)
errors = self._callFUT(IWithRequired, object())
self.assertEqual(len(errors), 1)
self.assertEqual(errors[0][0], 'must')
self.assertEqual(errors[0][1].__class__, SchemaNotFullyImplemented)
self.assertIsNone(errors[0][1].value)
self.assertEqual(IWithRequired['must'],
errors[0][1].field)
def test_schema_with_invariant_errors(self):
from zope.interface import Interface
from zope.interface import invariant
from zope.interface.exceptions import Invalid
class IWithFailingInvariant(Interface):
@invariant
def _epic_fail(obj):
raise Invalid('testing')
errors = self._callFUT(IWithFailingInvariant, object())
self.assertEqual(len(errors), 1)
self.assertEqual(errors[0][0], None)
self.assertEqual(errors[0][1].__class__, Invalid)
def test_schema_with_invariant_ok(self):
from zope.interface import Interface
from zope.interface import invariant
class IWithPassingInvariant(Interface):
@invariant
def _hall_pass(obj):
pass
errors = self._callFUT(IWithPassingInvariant, object())
self.assertEqual(len(errors), 0)
class Test_getSchemaValidationErrors(unittest.TestCase):
def _callFUT(self, schema, object):
from zope.schema import getSchemaValidationErrors
return getSchemaValidationErrors(schema, object)
def test_schema_wo_fields(self):
from zope.interface import Attribute
from zope.interface import Interface
class INoFields(Interface):
def method():
"A method."
attr = Attribute('ignoreme')
errors = self._callFUT(INoFields, object())
self.assertEqual(len(errors), 0)
def test_schema_with_fields_ok(self):
from zope.interface import Interface
from zope.schema import Text
class IWithFields(Interface):
foo = Text()
bar = Text()
class Obj(object):
foo = u'Foo'
bar = u'Bar'
errors = self._callFUT(IWithFields, Obj())
self.assertEqual(len(errors), 0)
def test_schema_with_missing_field(self):
from zope.interface import Interface
from zope.schema import Text
from zope.schema.interfaces import SchemaNotFullyImplemented
class IWithRequired(Interface):
must = Text(required=True)
errors = self._callFUT(IWithRequired, object())
self.assertEqual(len(errors), 1)
self.assertEqual(errors[0][0], 'must')
self.assertEqual(errors[0][1].__class__, SchemaNotFullyImplemented)
self.assertIsNone(errors[0][1].value)
self.assertEqual(IWithRequired['must'],
errors[0][1].field)
def test_schema_with_invalid_field(self):
from zope.interface import Interface
from zope.schema import Int
from zope.schema.interfaces import TooSmall
class IWithMinium(Interface):
value = Int(required=True, min=0)
class Obj(object):
value = -1
errors = self._callFUT(IWithMinium, Obj())
self.assertEqual(len(errors), 1)
self.assertEqual(errors[0][0], 'value')
self.assertEqual(errors[0][1].__class__, TooSmall)
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