##############################################################################
#
# Copyright (c) 2002 Zope Foundation and Contributors.
#
# 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.
#
##############################################################################
""" Unit tests for DiscussionTool module. """

import unittest
import Testing

from zope.component import getSiteManager
from zope.interface.verify import verifyClass
from zope.testing.cleanup import cleanUp

from Products.CMFCore.interfaces import IDiscussionTool
from Products.CMFCore.tests.base.dummy import DummyFolder
from Products.CMFCore.tests.base.dummy import DummySite
from Products.CMFCore.tests.base.dummy import DummyTool
from Products.CMFCore.tests.base.testcase import SecurityTest


class DiscussionToolTests(SecurityTest):

    def _makeOne(self, *args, **kw):
        from Products.CMFDefault.DiscussionTool import DiscussionTool

        return DiscussionTool(*args, **kw)

    def setUp(self):
        SecurityTest.setUp(self)
        self.site = DummySite('site')
        sm = getSiteManager()
        self.site._setObject( 'portal_discussion', self._makeOne() )
        sm.registerUtility(self.site.portal_discussion, IDiscussionTool)
        self.site._setObject( 'portal_types', DummyTool() )

    def tearDown(self):
        cleanUp()
        SecurityTest.tearDown(self)

    def test_interfaces(self):
        from Products.CMFCore.interfaces import IDiscussionTool
        from Products.CMFDefault.DiscussionTool import DiscussionTool

        verifyClass(IDiscussionTool, DiscussionTool)

    def test_overrideDiscussionFor(self):
        dtool = self.site.portal_discussion
        foo = self.site._setObject( 'foo', DummyFolder() )
        baz = foo._setObject( 'baz', DummyFolder() )

        dtool.overrideDiscussionFor(foo, 1)
        self.failUnless( hasattr(foo.aq_base, 'allow_discussion') )
        try:
            dtool.overrideDiscussionFor(baz, None)
        except KeyError:
            self.fail('CMF Collector issue #201 (acquisition bug): '
                      'KeyError raised')
        dtool.overrideDiscussionFor(foo, None)
        self.failIf( hasattr(foo.aq_base, 'allow_discussion') )

        # https://bugs.launchpad.net/zope-cmf/+bug/162532: Don't break
        # if allow_discussion only exists at the class level
        class DummyContent:
            allow_discussion = False
            def getId(self): return 'dummy'

        dummy = DummyContent()
        try:
            dtool.overrideDiscussionFor(dummy, None)
        except AttributeError:
            self.fail('Launchpad issue 162532: AttributeError raised')

    def test_overrideDiscussionFor_w_string_numerics(self):
        # See https://bugs.launchpad.net/zope-cmf/+bug/1042836/
        dtool = self.site.portal_discussion
        foo = self.site._setObject( 'foo', DummyFolder() )

        dtool.overrideDiscussionFor(foo, '0')
        self.assertEqual(foo.aq_base.allow_discussion, False)

        dtool.overrideDiscussionFor(foo, '1')
        self.assertEqual(foo.aq_base.allow_discussion, True)

    def test_isDiscussionAllowedFor(self):
        # Test for Collector issue #398 (allow_discussion wrongly
        # acquired and used from parent)
        dtool = self.site.portal_discussion
        foo = self.site._setObject( 'foo', DummyFolder() )
        baz = foo._setObject( 'baz', DummyFolder() )
        dtool.overrideDiscussionFor(foo, 1)

        self.failIf(dtool.isDiscussionAllowedFor(baz))

        # Make sure isDiscussionAllowedFor does not blow up on items
        # that aren't content and/or discussable at all.
        self.failIf(dtool.isDiscussionAllowedFor(self.site.portal_types))

    def test_getDiscussionFor(self):
        dtool = self.site.portal_discussion
        foo = self.site._setObject( 'foo', DummyFolder() )
        foo.allow_discussion = 1
        baz = foo._setObject( 'baz', DummyFolder() )
        baz.allow_discussion = 1

        self.failIf( hasattr(foo.aq_base, 'talkback') )
        talkback = dtool.getDiscussionFor(foo)
        self.failUnless( hasattr(foo.aq_base, 'talkback') )
        self.failIf( hasattr(baz.aq_base, 'talkback') )
        talkback = dtool.getDiscussionFor(baz)
        self.failUnless( hasattr(baz.aq_base, 'talkback'),
                         'CMF Collector issue #119 (acquisition bug): '
                         'talkback not created' )


def test_suite():
    return unittest.TestSuite((
        unittest.makeSuite(DiscussionToolTests),
        ))

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