# copyright 2003-2015 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/>.

from datetime import datetime

from threading import Thread

import logilab.database as lgdb

from cubicweb import ValidationError

from cubicweb.devtools import PostgresApptestConfiguration, startpgcluster, stoppgcluster

from cubicweb.devtools.testlib import CubicWebTC

from cubicweb.predicates import is_instance

from cubicweb.entities.adapters import IFTIndexableAdapter

from unittest_querier import FixedOffset

def setUpModule():

    startpgcluster(__file__)

def tearDownModule():

    stoppgcluster(__file__)

class PostgresTimeoutConfiguration(PostgresApptestConfiguration):

    def __init__(self, *args, **kwargs):

        self.default_sources = PostgresApptestConfiguration.default_sources.copy()

        self.default_sources['system'] = PostgresApptestConfiguration.default_sources['system'].copy()

        self.default_sources['system']['db-statement-timeout'] = 200

        super(PostgresTimeoutConfiguration, self).__init__(*args, **kwargs)

class PostgresFTITC(CubicWebTC):

    configcls = PostgresApptestConfiguration

    def test_eid_range(self):

        # concurrent allocation of eid ranges

        source = self.repo.system_source

        range1 = []

        range2 = []

        def allocate_eid_ranges(session, target):

            for x in range(1, 10):

                eid = source.create_eid(session, count=x)

                target.extend(range(eid-x, eid))

        t1 = Thread(target=lambda: allocate_eid_ranges(self.session, range1))

        t2 = Thread(target=lambda: allocate_eid_ranges(self.session, range2))

        t1.start()

        t2.start()

        t1.join()

        t2.join()

        self.assertEqual(range1, sorted(range1))

        self.assertEqual(range2, sorted(range2))

        self.assertEqual(set(), set(range1) & set(range2))

    def test_occurence_count(self):

        with self.admin_access.repo_cnx() as cnx:

            c1 = cnx.create_entity('Card', title=u'c1',

                                   content=u'cubicweb cubicweb cubicweb')

            c2 = cnx.create_entity('Card', title=u'c3',

                                   content=u'cubicweb')

            c3 = cnx.create_entity('Card', title=u'c2',

                                   content=u'cubicweb cubicweb')

            cnx.commit()

            self.assertEqual(cnx.execute('Card X ORDERBY FTIRANK(X) DESC '

                                         'WHERE X has_text "cubicweb"').rows,

                             [[c1.eid,], [c3.eid,], [c2.eid,]])

    def test_attr_weight(self):

        class CardIFTIndexableAdapter(IFTIndexableAdapter):

            __select__ = is_instance('Card')

            attr_weight = {'title': 'A'}

        with self.temporary_appobjects(CardIFTIndexableAdapter):

            with self.admin_access.repo_cnx() as cnx:

                c1 = cnx.create_entity('Card', title=u'c1',

                                       content=u'cubicweb cubicweb cubicweb')

                c2 = cnx.create_entity('Card', title=u'c2',

                                       content=u'cubicweb cubicweb')

                c3 = cnx.create_entity('Card', title=u'cubicweb',

                                       content=u'autre chose')

                cnx.commit()

                self.assertEqual(cnx.execute('Card X ORDERBY FTIRANK(X) DESC '

                                             'WHERE X has_text "cubicweb"').rows,

                                 [[c3.eid,], [c1.eid,], [c2.eid,]])

    def test_entity_weight(self):

        class PersonneIFTIndexableAdapter(IFTIndexableAdapter):

            __select__ = is_instance('Personne')

            entity_weight = 2.0

        with self.temporary_appobjects(PersonneIFTIndexableAdapter):

            with self.admin_access.repo_cnx() as cnx:

                c1 = cnx.create_entity('Personne', nom=u'c1', prenom=u'cubicweb')

                c2 = cnx.create_entity('Comment', content=u'cubicweb cubicweb',

                                       comments=c1)

                c3 = cnx.create_entity('Comment', content=u'cubicweb cubicweb cubicweb',

                                       comments=c1)

                cnx.commit()

                self.assertEqual(cnx.execute('Any X ORDERBY FTIRANK(X) DESC '

                                             'WHERE X has_text "cubicweb"').rows,

                                  [[c1.eid,], [c3.eid,], [c2.eid,]])

    def test_tz_datetime(self):

        with self.admin_access.repo_cnx() as cnx:

            bob = cnx.create_entity('Personne', nom=u'bob',

                                   tzdatenaiss=datetime(1977, 6, 7, 2, 0, tzinfo=FixedOffset(1)))

            datenaiss = cnx.execute("Any XD WHERE X nom 'bob', X tzdatenaiss XD")[0][0]

            self.assertIsNotNone(datenaiss.tzinfo)

            self.assertEqual(datenaiss.utctimetuple()[:5], (1977, 6, 7, 1, 0))

            cnx.commit()

            cnx.create_entity('Personne', nom=u'boby',

                              tzdatenaiss=datetime(1977, 6, 7, 2, 0))

            datenaiss = cnx.execute("Any XD WHERE X nom 'boby', X tzdatenaiss XD")[0][0]

            self.assertIsNotNone(datenaiss.tzinfo)

            self.assertEqual(datenaiss.utctimetuple()[:5], (1977, 6, 7, 2, 0))

            rset = cnx.execute("Any X WHERE X tzdatenaiss %(d)s",

                               {'d': datetime(1977, 6, 7, 2, 0, tzinfo=FixedOffset(1))})

            self.assertEqual(rset.rows, [[bob.eid]])

    def test_constraint_validationerror(self):

        with self.admin_access.repo_cnx() as cnx:

            with cnx.allow_all_hooks_but('integrity'):

                with self.assertRaises(ValidationError) as cm:

                    cnx.execute("INSERT Note N: N type 'nogood'")

                self.assertEqual(cm.exception.errors,

                        {'type-subject': u'invalid value %(KEY-value)s, it must be one of %(KEY-choices)s'})

                self.assertEqual(cm.exception.msgargs,

                        {'type-subject-value': u'"nogood"',

                         'type-subject-choices': u'"todo", "a", "b", "T", "lalala"'})

class PostgresStatementTimeoutTC(CubicWebTC):

    configcls = PostgresTimeoutConfiguration

    @classmethod

    def setUpClass(cls):

        super(PostgresStatementTimeoutTC, cls).setUpClass()

        cls.orig_connect_hooks = lgdb.SQL_CONNECT_HOOKS['postgres'][:]

    @classmethod

    def tearDownClass(cls):

        lgdb.SQL_CONNECT_HOOKS['postgres'] = cls.orig_connect_hooks

    def test_statement_timeout(self):

        with self.admin_access.repo_cnx() as cnx:

            cnx.system_sql('select pg_sleep(0.1)')

            with self.assertRaises(Exception) as cm:

                cnx.system_sql('select pg_sleep(0.3)')

        self.assertIn('statement timeout', str(cm.exception))

class PostgresLimitSizeTC(CubicWebTC):

    configcls = PostgresApptestConfiguration

    def test(self):

        with self.admin_access.repo_cnx() as cnx:

            def sql(string):

                return cnx.system_sql(string).fetchone()[0]

            for html, size, expected in [

                ('<p>hello</p>', 20, '<p>hello</p>'),

                ('<p>hello</p>', 2, 'he...'),

                ('<br/>hello', 2, 'he...'),

                ('<span class=\"1\">he</span>llo', 2, 'he...'),

                ('<span>a>b</span>', 2, 'a>...'),

            ]:

                with self.subTest(html=html, size=size):

                    actual = sql("SELECT limit_size('%s', 'text/html', %d)" % (html, size))

                    self.assertEqual(actual, expected)

if __name__ == '__main__':

    import unittest

    unittest.main()