# copyright 2003-2016 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/>.

"""cubicweb.server.hooks.syncschema unit and functional tests"""

from yams.constraints import BoundaryConstraint

from cubicweb import ValidationError, Binary

from cubicweb.schema import META_RTYPES

from cubicweb.devtools import startpgcluster, stoppgcluster, PostgresApptestConfiguration

from cubicweb.devtools.testlib import CubicWebTC

from cubicweb.server.sqlutils import SQL_PREFIX

from cubicweb.devtools.repotest import schema_eids_idx

def setUpModule():

    startpgcluster(__file__)

def tearDownModule(*args):

    stoppgcluster(__file__)

    del SchemaModificationHooksTC.schema_eids

class SchemaModificationHooksTC(CubicWebTC):

    configcls = PostgresApptestConfiguration

    def setUp(self):

        super(SchemaModificationHooksTC, self).setUp()

        self.repo.set_schema(self.repo.deserialize_schema(), resetvreg=False)

        self.__class__.schema_eids = schema_eids_idx(self.repo.schema)

    def index_exists(self, cnx, etype, attr, unique=False):

        dbhelper = self.repo.system_source.dbhelper

        sqlcursor = cnx.cnxset.cu

        return dbhelper.index_exists(sqlcursor,

                                     SQL_PREFIX + etype,

                                     SQL_PREFIX + attr,

                                     unique=unique)

    def _set_perms(self, cnx, eid):

        cnx.execute('SET X read_permission G WHERE X eid %(x)s, G is CWGroup',

                    {'x': eid})

        cnx.execute('SET X add_permission G WHERE X eid %(x)s, G is CWGroup, '

                    'G name "managers"', {'x': eid})

        cnx.execute('SET X delete_permission G WHERE X eid %(x)s, G is CWGroup, '

                    'G name "owners"', {'x': eid})

    def _set_attr_perms(self, cnx, eid):

        cnx.execute('SET X read_permission G WHERE X eid %(x)s, G is CWGroup',

                    {'x': eid})

        cnx.execute('SET X update_permission G WHERE X eid %(x)s, G is CWGroup, G name "managers"',

                    {'x': eid})

    def test_base(self):

        with self.admin_access.repo_cnx() as cnx:

            schema = self.repo.schema

            self.assertFalse(schema.has_entity('Societe2'))

            self.assertFalse(schema.has_entity('concerne2'))

            # schema should be update on insertion (after commit)

            eeid = cnx.execute('INSERT CWEType X: X name "Societe2", '

                               'X description "", X final FALSE')[0][0]

            self._set_perms(cnx, eeid)

            cnx.execute('INSERT CWRType X: X name "concerne2", X description "", '

                        'X final FALSE, X symmetric FALSE')

            self.assertFalse(schema.has_entity('Societe2'))

            self.assertFalse(schema.has_entity('concerne2'))

            # have to commit before adding definition relations

            cnx.commit()

            self.assertTrue(schema.has_entity('Societe2'))

            self.assertTrue(schema.has_relation('concerne2'))

            attreid = cnx.execute('INSERT CWAttribute X: X cardinality "11", '

                                  'X defaultval %(default)s, X indexed TRUE, '

                                  'X relation_type RT, X from_entity E, X to_entity F '

                                  'WHERE RT name "name", E name "Societe2", '

                                  'F name "String"',

                                   {'default': Binary.zpickle('noname')})[0][0]

            self._set_attr_perms(cnx, attreid)

            concerne2_rdef_eid = cnx.execute(

                'INSERT CWRelation X: X cardinality "**", X relation_type RT, '

                'X from_entity E, X to_entity E '

                'WHERE RT name "concerne2", E name "Societe2"')[0][0]

            self._set_perms(cnx, concerne2_rdef_eid)

            self.assertNotIn('name', schema['Societe2'].subject_relations())

            self.assertNotIn('concerne2', schema['Societe2'].subject_relations())

            self.assertFalse(self.index_exists(cnx, 'Societe2', 'name'))

            cnx.commit()

            self.assertIn('name', schema['Societe2'].subject_relations())

            self.assertIn('concerne2', schema['Societe2'].subject_relations())

            self.assertTrue(self.index_exists(cnx, 'Societe2', 'name'))

            # now we should be able to insert and query Societe2

            s2eid = cnx.execute('INSERT Societe2 X: X name "logilab"')[0][0]

            cnx.execute('Societe2 X WHERE X name "logilab"')

            cnx.execute('SET X concerne2 X WHERE X name "logilab"')

            rset = cnx.execute('Any X WHERE X concerne2 Y')

            self.assertEqual(rset.rows, [[s2eid]])

            # check that when a relation definition is deleted, existing relations are deleted

            rdefeid = cnx.execute('INSERT CWRelation X: X cardinality "**", X relation_type RT, '

                                  '   X from_entity E, X to_entity E '

                                  'WHERE RT name "concerne2", E name "CWUser"')[0][0]

            self._set_perms(cnx, rdefeid)

            cnx.commit()

            cnx.execute('DELETE CWRelation X WHERE X eid %(x)s', {'x': concerne2_rdef_eid})

            cnx.commit()

            self.assertIn('concerne2', schema['CWUser'].subject_relations())

            self.assertNotIn('concerne2', schema['Societe2'].subject_relations())

            self.assertFalse(cnx.execute('Any X WHERE X concerne2 Y'))

            # schema should be cleaned on delete (after commit)

            cnx.execute('DELETE CWEType X WHERE X name "Societe2"')

            cnx.execute('DELETE CWRType X WHERE X name "concerne2"')

            self.assertTrue(self.index_exists(cnx, 'Societe2', 'name'))

            self.assertTrue(schema.has_entity('Societe2'))

            self.assertTrue(schema.has_relation('concerne2'))

            cnx.commit()

            self.assertFalse(self.index_exists(cnx, 'Societe2', 'name'))

            self.assertFalse(schema.has_entity('Societe2'))

            self.assertFalse(schema.has_entity('concerne2'))

            self.assertNotIn('concerne2', schema['CWUser'].subject_relations())

    def test_metartype_with_nordefs(self):

        with self.admin_access.repo_cnx() as cnx:

            META_RTYPES.add('custom_meta')

            cnx.execute('INSERT CWRType X: X name "custom_meta", X description "", '

                        'X final FALSE, X symmetric FALSE')

            cnx.commit()

            eeid = cnx.execute('INSERT CWEType X: X name "NEWEtype", '

                               'X description "", X final FALSE')[0][0]

            self._set_perms(cnx, eeid)

            cnx.commit()

            META_RTYPES.remove('custom_meta')

    def test_metartype_with_somerdefs(self):

        with self.admin_access.repo_cnx() as cnx:

            META_RTYPES.add('custom_meta')

            cnx.execute('INSERT CWRType X: X name "custom_meta", X description "", '

                        'X final FALSE, X symmetric FALSE')

            cnx.commit()

            rdefeid = cnx.execute('INSERT CWRelation X: X cardinality "**", X relation_type RT, '

                                  '   X from_entity E, X to_entity E '

                                  'WHERE RT name "custom_meta", E name "CWUser"')[0][0]

            self._set_perms(cnx, rdefeid)

            cnx.commit()

            eeid = cnx.execute('INSERT CWEType X: X name "NEWEtype", '

                               'X description "", X final FALSE')[0][0]

            self._set_perms(cnx, eeid)

            cnx.commit()

            META_RTYPES.remove('custom_meta')

    def test_is_instance_of_insertions(self):

        with self.admin_access.repo_cnx() as cnx:

            seid = cnx.execute('INSERT Transition T: T name "subdiv"')[0][0]

            is_etypes = [etype for etype, in cnx.execute('Any ETN WHERE X eid %s, '

                                                         'X is ET, ET name ETN' % seid)]

            self.assertEqual(is_etypes, ['Transition'])

            instanceof_etypes = [etype

                                 for etype, in cnx.execute('Any ETN WHERE X eid %s, '

                                                           'X is_instance_of ET, ET name ETN'

                                                           % seid)]

            self.assertEqual(sorted(instanceof_etypes), ['BaseTransition', 'Transition'])

            snames = [name for name, in cnx.execute('Any N WHERE S is BaseTransition, S name N')]

            self.assertNotIn('subdiv', snames)

            snames = [name for name, in cnx.execute('Any N WHERE S is_instance_of BaseTransition, '

                                                    'S name N')]

            self.assertIn('subdiv', snames)

    def test_perms_synchronization_1(self):

        with self.admin_access.repo_cnx() as cnx:

            schema = self.repo.schema

            self.assertEqual(schema['CWUser'].get_groups('read'), set(('managers', 'users')))

            self.assertTrue(cnx.execute('Any X, Y WHERE X is CWEType, X name "CWUser", '

                                        'Y is CWGroup, Y name "users"')[0])

            cnx.execute('DELETE X read_permission Y '

                        'WHERE X is CWEType, X name "CWUser", Y name "users"')

            self.assertEqual(schema['CWUser'].get_groups('read'), set(('managers', 'users', )))

            cnx.commit()

            self.assertEqual(schema['CWUser'].get_groups('read'), set(('managers',)))

            cnx.execute('SET X read_permission Y WHERE X is CWEType, '

                        'X name "CWUser", Y name "users"')

            cnx.commit()

            self.assertEqual(schema['CWUser'].get_groups('read'),

                             set(('managers', 'users',)))

    def test_perms_synchronization_2(self):

        with self.admin_access.repo_cnx() as cnx:

            schema = self.repo.schema['in_group'].rdefs[('CWUser', 'CWGroup')]

            self.assertEqual(schema.get_groups('read'),

                             set(('managers', 'users', 'guests')))

            cnx.execute('DELETE X read_permission Y WHERE X relation_type RT, '

                        'RT name "in_group", Y name "guests"')

            self.assertEqual(schema.get_groups('read'),

                             set(('managers', 'users', 'guests')))

            cnx.commit()

            self.assertEqual(schema.get_groups('read'),

                             set(('managers', 'users')))

            cnx.execute('SET X read_permission Y WHERE X relation_type RT, '

                        'RT name "in_group", Y name "guests"')

            self.assertEqual(schema.get_groups('read'),

                             set(('managers', 'users')))

            cnx.commit()

            self.assertEqual(schema.get_groups('read'),

                             set(('managers', 'users', 'guests')))

    def test_nonregr_user_edit_itself(self):

        with self.admin_access.repo_cnx() as cnx:

            ueid = cnx.user.eid

            groupeids = [eid for eid, in cnx.execute('CWGroup G WHERE G name '

                                                     'in ("managers", "users")')]

            cnx.execute('DELETE X in_group Y WHERE X eid %s' % ueid)

            cnx.execute('SET X surname "toto" WHERE X eid %s' % ueid)

            cnx.execute('SET X in_group Y WHERE X eid %s, Y name "managers"' % ueid)

            cnx.commit()

            eeid = cnx.execute('Any X WHERE X is CWEType, X name "CWEType"')[0][0]

            cnx.execute('DELETE X read_permission Y WHERE X eid %s' % eeid)

            cnx.execute('SET X final FALSE WHERE X eid %s' % eeid)

            cnx.execute('SET X read_permission Y WHERE X eid %s, Y eid in (%s, %s)'

                        % (eeid, groupeids[0], groupeids[1]))

            cnx.commit()

            cnx.execute('Any X WHERE X is CWEType, X name "CWEType"')

    # schema modification hooks tests #########################################

    def test_uninline_relation(self):

        with self.admin_access.repo_cnx() as cnx:

            try:

                self.assertTrue(self.schema['state_of'].inlined)

                cnx.execute('SET X inlined FALSE WHERE X name "state_of"')

                self.assertTrue(self.schema['state_of'].inlined)

                cnx.commit()

                self.assertFalse(self.schema['state_of'].inlined)

                self.assertFalse(self.index_exists(cnx, 'State', 'state_of'))

                rset = cnx.execute('Any X, Y WHERE X state_of Y')

                self.assertEqual(len(rset), 2)  # user states

            finally:

                cnx.execute('SET X inlined TRUE WHERE X name "state_of"')

                self.assertFalse(self.schema['state_of'].inlined)

                cnx.commit()

                self.assertTrue(self.schema['state_of'].inlined)

                self.assertTrue(self.index_exists(cnx, 'State', 'state_of'))

                rset = cnx.execute('Any X, Y WHERE X state_of Y')

                self.assertEqual(len(rset), 2)

    def test_indexed_change(self):

        with self.admin_access.repo_cnx() as cnx:

            try:

                cnx.execute('SET X indexed FALSE WHERE X relation_type R, R name "name"')

                self.assertTrue(self.schema['name'].rdef('Workflow', 'String').indexed)

                self.assertTrue(self.index_exists(cnx, 'Workflow', 'name'))

                cnx.commit()

                self.assertFalse(self.schema['name'].rdef('Workflow', 'String').indexed)

                self.assertFalse(self.index_exists(cnx, 'Workflow', 'name'))

            finally:

                cnx.execute('SET X indexed TRUE WHERE X relation_type R, R name "name"')

                self.assertFalse(self.schema['name'].rdef('Workflow', 'String').indexed)

                self.assertFalse(self.index_exists(cnx, 'Workflow', 'name'))

                cnx.commit()

                self.assertTrue(self.schema['name'].rdef('Workflow', 'String').indexed)

                self.assertTrue(self.index_exists(cnx, 'Workflow', 'name'))

    def test_unique_change(self):

        with self.admin_access.repo_cnx() as cnx:

            try:

                eid = cnx.execute('INSERT CWConstraint X: X cstrtype CT, X value "{}", '

                                  '                       DEF constrained_by X '

                                  'WHERE CT name "UniqueConstraint", DEF relation_type RT, '

                                  'DEF from_entity E, RT name "name", '

                                  'E name "Workflow"').rows[0][0]

                self.assertFalse(self.schema['Workflow'].has_unique_values('name'))

                self.assertFalse(self.index_exists(cnx, 'Workflow', 'name', unique=True))

                cnx.commit()

                self.assertTrue(self.schema['Workflow'].has_unique_values('name'))

                self.assertTrue(self.index_exists(cnx, 'Workflow', 'name', unique=True))

            finally:

                cnx.execute('DELETE CWConstraint C WHERE C eid %(eid)s', {'eid': eid})

                cnx.commit()

                self.assertFalse(self.schema['Workflow'].has_unique_values('name'))

                self.assertFalse(self.index_exists(cnx, 'Workflow', 'name', unique=True))

    def test_required_change_1(self):

        with self.admin_access.repo_cnx() as cnx:

            cnx.execute('SET DEF cardinality "?1" '

                        'WHERE DEF relation_type RT, DEF from_entity E,'

                        'RT name "title", E name "Bookmark"')

            cnx.commit()

            # should now be able to add bookmark without title

            cnx.execute('INSERT Bookmark X: X path "/view"')

            cnx.commit()

    def test_required_change_2(self):

        with self.admin_access.repo_cnx() as cnx:

            cnx.execute('SET DEF cardinality "11" '

                        'WHERE DEF relation_type RT, DEF from_entity E,'

                        'RT name "surname", E name "CWUser"')

            cnx.execute('SET U surname "Doe" WHERE U surname NULL')

            cnx.commit()

            # should not be able anymore to add cwuser without surname

            self.assertRaises(ValidationError, self.create_user, cnx, "toto")

            cnx.rollback()

            cnx.execute('SET DEF cardinality "?1" '

                        'WHERE DEF relation_type RT, DEF from_entity E,'

                        'RT name "surname", E name "CWUser"')

            cnx.commit()

    def test_add_attribute_to_base_class(self):

        with self.admin_access.repo_cnx() as cnx:

            attreid = cnx.execute(

                'INSERT CWAttribute X: X cardinality "11", X defaultval %(default)s, '

                'X indexed TRUE, X relation_type RT, X from_entity E, X to_entity F '

                'WHERE RT name "messageid", E name "BaseTransition", F name "String"',

                {'default': Binary.zpickle('noname')})[0][0]

            assert cnx.execute('SET X read_permission Y WHERE X eid %(x)s, Y name "managers"',

                               {'x': attreid})

            cnx.commit()

            self.schema.rebuild_infered_relations()

            self.assertIn('Transition', self.schema['messageid'].subjects())

            self.assertIn('WorkflowTransition', self.schema['messageid'].subjects())

            cnx.execute('Any X WHERE X is_instance_of BaseTransition, X messageid "hop"')

    def test_change_fulltextindexed(self):

        with self.admin_access.repo_cnx() as cnx:

            target = cnx.create_entity(u'Email', messageid=u'1234',

                                       subject=u'rick.roll@dance.com')

            cnx.commit()

            rset = cnx.execute('Any X WHERE X has_text "rick.roll"')

            self.assertIn(target.eid, [item[0] for item in rset])

            assert cnx.execute('SET A fulltextindexed FALSE '

                               'WHERE E is CWEType, E name "Email", A is CWAttribute,'

                               'A from_entity E, A relation_type R, R name "subject"')

            cnx.commit()

            rset = cnx.execute('Any X WHERE X has_text "rick.roll"')

            self.assertFalse(rset)

            assert cnx.execute('SET A fulltextindexed TRUE '

                               'WHERE A from_entity E, A relation_type R, '

                               'E name "Email", R name "subject"')

            cnx.commit()

            rset = cnx.execute('Any X WHERE X has_text "rick.roll"')

            self.assertIn(target.eid, [item[0] for item in rset])