##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation 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.
#
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"""Editview tests

$Id: test_checkboxwidget.py 26267 2004-07-08 23:06:19Z garrett $
"""
import unittest
import transaction
from persistent import Persistent

import zope.security.checker
from zope.interface import Interface, implements
from zope.schema import TextLine
from zope.traversing.api import traverse

from zope.app.form.browser.ftests.support import *
from zope.app.testing.functional import BrowserTestCase

class IFoo(Interface):

    optional_text = TextLine(required=False)
    required_text = TextLine(required=True)

class Foo(Persistent):

    implements(IFoo)

class Test(BrowserTestCase):

    def setUp(self):
        BrowserTestCase.setUp(self)
        registerEditForm(IFoo)
        defineSecurity(Foo, IFoo)

    def test_rollback_on_error(self):
        """Tests rollback when a widget error occurs.
        
        When one or more errors are generated by input widgets, the current
        transaction should be rolledback to ensure object integrity.
        """
        self.getRootFolder()['foo'] = Foo()
        self.getRootFolder()['foo'].required_text = u'initial required'
        self.getRootFolder()['foo'].optional_text = u'initial optional'
        transaction.commit()

        # submit form with legal value for optional_text and invalid for 
        # required_text
        response = self.publish('/foo/edit.html', form={
            'field.optional_text': u'',
            'field.required_text': u'',
            'UPDATE_SUBMIT': ''})
        self.assertEqual(response.getStatus(), 200)

        # confirm that one errors exists
        self.assert_(patternExists(
            'There are <strong>1</strong> input errors.', response.getBody()))

        # confirm that foo was not modified
        foo = traverse(self.getRootFolder(), 'foo')
        self.assertEquals(foo.required_text, u'initial required')
        self.assertEquals(foo.optional_text, u'initial optional')


def test_suite():
    suite = unittest.TestSuite()
    suite.addTest(unittest.makeSuite(Test))
    return suite

if __name__=='__main__':
    unittest.main(defaultTest='test_suite')