# copyright 2017 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# CubicWeb is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

import copy

from cubicweb.devtools import testlib

from cubicweb.wfutils import setup_workflow

class TestWFUtils(testlib.CubicWebTC):

    defs = {

        'group': {

            'etypes': 'CWGroup',

            'default': True,

            'initial_state': u'draft',

            'states': [u'draft', u'published'],

            'transitions': {

                u'publish': {

                    'fromstates': u'draft',

                    'tostate': u'published',

                    'requiredgroups': u'managers'

                }

            }

        }

    }

    def test_create_workflow(self):

        with self.admin_access.cnx() as cnx:

            wf = setup_workflow(cnx, 'group', self.defs['group'])

            self.assertEqual(wf.name, 'group')

            self.assertEqual(wf.initial.name, u'draft')

            draft = wf.state_by_name(u'draft')

            self.assertIsNotNone(draft)

            published = wf.state_by_name(u'published')

            self.assertIsNotNone(published)

            publish = wf.transition_by_name(u'publish')

            self.assertIsNotNone(publish)

            self.assertEqual(publish.destination_state, (published, ))

            self.assertEqual(draft.allowed_transition, (publish, ))

            self.assertEqual(

                {g.name for g in publish.require_group},

                {'managers'})

    def test_update(self):

        with self.admin_access.cnx() as cnx:

            wf = setup_workflow(cnx, 'group', self.defs['group'])

            eid = wf.eid

        with self.admin_access.cnx() as cnx:

            wfdef = copy.deepcopy(self.defs['group'])

            wfdef['states'].append('new')

            wfdef['initial_state'] = 'new'

            wfdef['transitions'][u'publish']['fromstates'] = ('draft', 'new')

            wfdef['transitions'][u'publish']['requiredgroups'] = (

                u'managers', u'users')

            wfdef['transitions'][u'todraft'] = {

                'fromstates': ('new', 'published'),

                'tostate': 'draft',

            }

            wf = setup_workflow(cnx, 'group', wfdef)

            self.assertEqual(wf.eid, eid)

            self.assertEqual(wf.name, 'group')

            self.assertEqual(wf.initial.name, u'new')

            new = wf.state_by_name(u'new')

            self.assertIsNotNone(new)

            draft = wf.state_by_name(u'draft')

            self.assertIsNotNone(draft)

            published = wf.state_by_name(u'published')

            self.assertIsNotNone(published)

            publish = wf.transition_by_name(u'publish')

            self.assertIsNotNone(publish)

            todraft = wf.transition_by_name(u'todraft')

            self.assertIsNotNone(todraft)

            self.assertEqual(

                {g.name for g in publish.require_group},

                {'managers', 'users'})

            self.assertEqual(publish.destination_state, (published, ))

            self.assertEqual(draft.allowed_transition, (publish, ))

            self.assertEqual(todraft.destination_state, (draft, ))

            self.assertEqual(published.allowed_transition, (todraft, ))

            self.assertCountEqual(new.allowed_transition, (publish, todraft))

if __name__ == '__main__':

    import unittest

    unittest.main()