from cubicweb import ConnectionError

from cubicweb.dbapi import ProgrammingError

from cubicweb.devtools.apptest import EnvBasedTC

class DBAPITC(EnvBasedTC):

    @property

    def cnx(self):

        return self.login('anon')

    def test_public_repo_api(self):

        cnx = self.cnx

        self.assertEquals(cnx.get_schema(), self.env.repo.schema)

        self.assertEquals(cnx.source_defs(), {'system': {'adapter': 'native', 'uri': 'system'}})

        self.restore_connection() # proper way to close cnx

        self.assertRaises(ProgrammingError, cnx.get_schema)

        self.assertRaises(ProgrammingError, cnx.source_defs)

    def test_db_api(self):

        cnx = self.cnx

        self.assertEquals(cnx.rollback(), None)

        self.assertEquals(cnx.commit(), None)

        self.restore_connection() # proper way to close cnx

        #self.assertEquals(cnx.close(), None)

        self.assertRaises(ProgrammingError, cnx.rollback)

        self.assertRaises(ProgrammingError, cnx.commit)

        self.assertRaises(ProgrammingError, cnx.close)

    def test_api(self):

        cnx = self.cnx

        self.assertEquals(cnx.user(None).login, 'anon')

        self.assertEquals(cnx.describe(1), (u'CWGroup', u'system', None))

        self.restore_connection() # proper way to close cnx

        self.assertRaises(ConnectionError, cnx.user, None)

        self.assertRaises(ConnectionError, cnx.describe, 1)

    def test_session_data_api(self):

        cnx = self.cnx

        self.assertEquals(cnx.get_session_data('data'), None)

        self.assertEquals(cnx.session_data(), {})

        cnx.set_session_data('data', 4)

        self.assertEquals(cnx.get_session_data('data'), 4)

        self.assertEquals(cnx.session_data(), {'data': 4})

        cnx.del_session_data('data')

        cnx.del_session_data('whatever')

        self.assertEquals(cnx.get_session_data('data'), None)

        self.assertEquals(cnx.session_data(), {})

        cnx.session_data()['data'] = 4

        self.assertEquals(cnx.get_session_data('data'), 4)

        self.assertEquals(cnx.session_data(), {'data': 4})

    def test_shared_data_api(self):

        cnx = self.cnx

        self.assertEquals(cnx.get_shared_data('data'), None)

        cnx.set_shared_data('data', 4)

        self.assertEquals(cnx.get_shared_data('data'), 4)

        cnx.get_shared_data('data', pop=True)

        cnx.get_shared_data('whatever', pop=True)

        self.assertEquals(cnx.get_shared_data('data'), None)

        cnx.set_shared_data('data', 4)

        self.assertEquals(cnx.get_shared_data('data'), 4)

        self.restore_connection() # proper way to close cnx

        self.assertRaises(ConnectionError, cnx.check)

        self.assertRaises(ConnectionError, cnx.set_shared_data, 'data', 0)

        self.assertRaises(ConnectionError, cnx.get_shared_data, 'data')

# class DBAPICursorTC(EnvBasedTC):

#     @property

#     def cursor(self):

#         return self.env.cnx.cursor()

#     def test_api(self):

#         cu = self.cursor

#         self.assertEquals(cu.describe(1), (u'CWGroup', u'system', None))

#         #cu.close()

#         #self.assertRaises(ConnectionError, cu.describe, 1)

if __name__ == '__main__':

    from logilab.common.testlib import unittest_main

    unittest_main()