# -*- coding: iso-8859-1 -*-

"""unit tests for module cubicweb.server.repository"""

import os

import sys

import threading

import time

from copy import deepcopy

from datetime import datetime

from logilab.common.testlib import TestCase, unittest_main

from yams.constraints import UniqueConstraint

from cubicweb import BadConnectionId, RepositoryError, ValidationError, UnknownEid, AuthenticationError

from cubicweb.schema import CubicWebSchema, RQLConstraint

from cubicweb.dbapi import connect, repo_connect

from cubicweb.devtools.apptest import RepositoryBasedTC

from cubicweb.devtools.repotest import tuplify

from cubicweb.server import repository

from cubicweb.server.sqlutils import SQL_PREFIX

# start name server anyway, process will fail if already running

os.system('pyro-ns >/dev/null 2>/dev/null &')

class RepositoryTC(RepositoryBasedTC):

    """ singleton providing access to a persistent storage for entities

    and relation

    """

#     def setUp(self):

#         pass

#     def tearDown(self):

#         self.repo.config.db_perms = True

#         cnxid = self.repo.connect(*self.default_user_password())

#         for etype in ('Affaire', 'Note', 'Societe', 'Personne'):

#             self.repo.execute(cnxid, 'DELETE %s X' % etype)

#             self.repo.commit(cnxid)

#         self.repo.close(cnxid)

    def test_fill_schema(self):

        self.repo.schema = CubicWebSchema(self.repo.config.appid)

        self.repo.config._cubes = None # avoid assertion error

        self.repo.fill_schema()

        pool = self.repo._get_pool()

        table = SQL_PREFIX + 'CWEType'

        namecol = SQL_PREFIX + 'name'

        finalcol = SQL_PREFIX + 'final'

        try:

            sqlcursor = pool['system']

            sqlcursor.execute('SELECT %s FROM %s WHERE %s is NULL' % (

                namecol, table, finalcol))

            self.assertEquals(sqlcursor.fetchall(), [])

            sqlcursor.execute('SELECT %s FROM %s WHERE %s=%%(final)s ORDER BY %s'

                              % (namecol, table, finalcol, namecol), {'final': 'TRUE'})

            self.assertEquals(sqlcursor.fetchall(), [(u'Boolean',), (u'Bytes',),

                                                     (u'Date',), (u'Datetime',),

                                                     (u'Decimal',),(u'Float',),

                                                     (u'Int',),

                                                     (u'Interval',), (u'Password',),

                                                     (u'String',), (u'Time',)])

        finally:

            self.repo._free_pool(pool)

    def test_schema_has_owner(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        self.failIf(repo.execute(cnxid, 'CWEType X WHERE NOT X owned_by U'))

        self.failIf(repo.execute(cnxid, 'CWRType X WHERE NOT X owned_by U'))

        self.failIf(repo.execute(cnxid, 'CWAttribute X WHERE NOT X owned_by U'))

        self.failIf(repo.execute(cnxid, 'CWRelation X WHERE NOT X owned_by U'))

        self.failIf(repo.execute(cnxid, 'CWConstraint X WHERE NOT X owned_by U'))

        self.failIf(repo.execute(cnxid, 'CWConstraintType X WHERE NOT X owned_by U'))

    def test_connect(self):

        login, passwd = self.default_user_password()

        self.assert_(self.repo.connect(login, passwd))

        self.assertRaises(AuthenticationError,

                          self.repo.connect, login, 'nimportnawak')

        self.assertRaises(AuthenticationError,

                          self.repo.connect, login, None)

        self.assertRaises(AuthenticationError,

                          self.repo.connect, None, None)

    def test_execute(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        repo.execute(cnxid, 'Any X')

        repo.execute(cnxid, 'Any X where X is Personne')

        repo.execute(cnxid, 'Any X where X is Personne, X nom ~= "to"')

        repo.execute(cnxid, 'Any X WHERE X has_text %(text)s', {'text': u'\xe7a'})

        repo.close(cnxid)

    def test_login_upassword_accent(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        repo.execute(cnxid, 'INSERT CWUser X: X login %(login)s, X upassword %(passwd)s, X in_state S, X in_group G WHERE S name "activated", G name "users"',

                     {'login': u"barnab�", 'passwd': u"h�h�h�".encode('UTF8')})

        repo.commit(cnxid)

        repo.close(cnxid)

        self.assert_(repo.connect(u"barnab�", u"h�h�h�".encode('UTF8')))

    def test_invalid_entity_rollback(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        # no group

        repo.execute(cnxid, 'INSERT CWUser X: X login %(login)s, X upassword %(passwd)s, X in_state S WHERE S name "activated"',

                     {'login': u"tutetute", 'passwd': 'tutetute'})

        self.assertRaises(ValidationError, repo.commit, cnxid)

        rset = repo.execute(cnxid, 'CWUser X WHERE X login "tutetute"')

        self.assertEquals(rset.rowcount, 0)

    def test_close(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        self.assert_(cnxid)

        repo.close(cnxid)

        self.assertRaises(BadConnectionId, repo.execute, cnxid, 'Any X')

    def test_invalid_cnxid(self):

        self.assertRaises(BadConnectionId, self.repo.execute, 0, 'Any X')

        self.assertRaises(BadConnectionId, self.repo.close, None)

    def test_shared_data(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        repo.set_shared_data(cnxid, 'data', 4)

        cnxid2 = repo.connect(*self.default_user_password())

        self.assertEquals(repo.get_shared_data(cnxid, 'data'), 4)

        self.assertEquals(repo.get_shared_data(cnxid2, 'data'), None)

        repo.set_shared_data(cnxid2, 'data', 5)

        self.assertEquals(repo.get_shared_data(cnxid, 'data'), 4)

        self.assertEquals(repo.get_shared_data(cnxid2, 'data'), 5)

        repo.get_shared_data(cnxid2, 'data', pop=True)

        self.assertEquals(repo.get_shared_data(cnxid, 'data'), 4)

        self.assertEquals(repo.get_shared_data(cnxid2, 'data'), None)

        repo.close(cnxid)

        repo.close(cnxid2)

        self.assertRaises(BadConnectionId, repo.get_shared_data, cnxid, 'data')

        self.assertRaises(BadConnectionId, repo.get_shared_data, cnxid2, 'data')

        self.assertRaises(BadConnectionId, repo.set_shared_data, cnxid, 'data', 1)

        self.assertRaises(BadConnectionId, repo.set_shared_data, cnxid2, 'data', 1)

    def test_check_session(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        self.assertEquals(repo.check_session(cnxid), None)

        repo.close(cnxid)

        self.assertRaises(BadConnectionId, repo.check_session, cnxid)

    def test_transaction_base(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        # check db state

        result = repo.execute(cnxid, 'Personne X')

        self.assertEquals(result.rowcount, 0)

        # rollback entity insertion

        repo.execute(cnxid, "INSERT Personne X: X nom 'bidule'")

        result = repo.execute(cnxid, 'Personne X')

        self.assertEquals(result.rowcount, 1)

        repo.rollback(cnxid)

        result = repo.execute(cnxid, 'Personne X')

        self.assertEquals(result.rowcount, 0, result.rows)

        # commit

        repo.execute(cnxid, "INSERT Personne X: X nom 'bidule'")

        repo.commit(cnxid)

        result = repo.execute(cnxid, 'Personne X')

        self.assertEquals(result.rowcount, 1)

    def test_transaction_base2(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        # rollback relation insertion

        repo.execute(cnxid, "SET U in_group G WHERE U login 'admin', G name 'guests'")

        result = repo.execute(cnxid, "Any U WHERE U in_group G, U login 'admin', G name 'guests'")

        self.assertEquals(result.rowcount, 1)

        repo.rollback(cnxid)

        result = repo.execute(cnxid, "Any U WHERE U in_group G, U login 'admin', G name 'guests'")

        self.assertEquals(result.rowcount, 0, result.rows)

    def test_transaction_base3(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        # rollback state change which trigger TrInfo insertion

        ueid = repo._get_session(cnxid).user.eid

        rset = repo.execute(cnxid, 'TrInfo T WHERE T wf_info_for X, X eid %(x)s', {'x': ueid})

        self.assertEquals(len(rset), 1)

        repo.execute(cnxid, 'SET X in_state S WHERE X eid %(x)s, S name "deactivated"',

                     {'x': ueid}, 'x')

        rset = repo.execute(cnxid, 'TrInfo T WHERE T wf_info_for X, X eid %(x)s', {'x': ueid})

        self.assertEquals(len(rset), 2)

        repo.rollback(cnxid)

        rset = repo.execute(cnxid, 'TrInfo T WHERE T wf_info_for X, X eid %(x)s', {'x': ueid})

        self.assertEquals(len(rset), 1)

    def test_transaction_interleaved(self):

        self.skip('implement me')

    def test_close_wait_processing_request(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        repo.execute(cnxid, 'INSERT CWUser X: X login "toto", X upassword "tutu", X in_group G WHERE G name "users"')

        repo.commit(cnxid)

        # close has to be in the thread due to sqlite limitations

        def close_in_a_few_moment():

            time.sleep(0.1)

            repo.close(cnxid)

        t = threading.Thread(target=close_in_a_few_moment)

        t.start()

        try:

            print 'execute'

            repo.execute(cnxid, 'DELETE CWUser X WHERE X login "toto"')

            print 'commit'

            repo.commit(cnxid)

            print 'commited'

        finally:

            t.join()

    def test_initial_schema(self):

        schema = self.repo.schema

        # check order of attributes is respected

        self.assertListEquals([r.type for r in schema.eschema('CWAttribute').ordered_relations()

                               if not r.type in ('eid', 'is', 'is_instance_of', 'identity',

                                                 'creation_date', 'modification_date',

                                                 'owned_by', 'created_by')],

                              ['relation_type', 'from_entity', 'to_entity', 'constrained_by',

                               'cardinality', 'ordernum',

                               'indexed', 'fulltextindexed', 'internationalizable',

                               'defaultval', 'description_format', 'description'])

        self.assertEquals(schema.eschema('CWEType').main_attribute(), 'name')

        self.assertEquals(schema.eschema('State').main_attribute(), 'name')

        constraints = schema.rschema('name').rproperty('CWEType', 'String', 'constraints')

        self.assertEquals(len(constraints), 2)

        for cstr in constraints[:]:

            if isinstance(cstr, UniqueConstraint):

                constraints.remove(cstr)

                break

        else:

            self.fail('unique constraint not found')

        sizeconstraint = constraints[0]

        self.assertEquals(sizeconstraint.min, None)

        self.assertEquals(sizeconstraint.max, 64)

        constraints = schema.rschema('relation_type').rproperty('CWAttribute', 'CWRType', 'constraints')

        self.assertEquals(len(constraints), 1)

        cstr = constraints[0]

        self.assert_(isinstance(cstr, RQLConstraint))

        self.assertEquals(cstr.restriction, 'O final TRUE')

        ownedby = schema.rschema('owned_by')

        self.assertEquals(ownedby.objects('CWEType'), ('CWUser',))

    def test_pyro(self):

        import Pyro

        Pyro.config.PYRO_MULTITHREADED = 0

        done = []

        # the client part has to be in the thread due to sqlite limitations

        t = threading.Thread(target=self._pyro_client, args=(done,))

        try:

            daemon = self.repo.pyro_register()

            t.start()

            while not done:

                daemon.handleRequests(1.0)

            t.join(1)

            if t.isAlive():

                self.fail('something went wrong, thread still alive')

        finally:

            repository.pyro_unregister(self.repo.config)

    def _pyro_client(self, done):

        cnx = connect(self.repo.config.appid, u'admin', 'gingkow')

        # check we can get the schema

        schema = cnx.get_schema()

        self.assertEquals(schema.__hashmode__, None)

        cu = cnx.cursor()

        rset = cu.execute('Any U,G WHERE U in_group G')

        cnx.close()

        done.append(True)

    def test_internal_api(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        session = repo._get_session(cnxid, setpool=True)

        self.assertEquals(repo.type_and_source_from_eid(1, session), ('CWGroup', 'system', None))

        self.assertEquals(repo.type_from_eid(1, session), 'CWGroup')

        self.assertEquals(repo.source_from_eid(1, session).uri, 'system')

        self.assertEquals(repo.eid2extid(repo.system_source, 1, session), None)

        class dummysource: uri = 'toto'

        self.assertRaises(UnknownEid, repo.eid2extid, dummysource, 1, session)

    def test_public_api(self):

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

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

        # .properties() return a result set

        self.assertEquals(self.repo.properties().rql, 'Any K,V WHERE P is CWProperty,P pkey K, P value V, NOT P for_user U')

    def test_session_api(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        self.assertEquals(repo.user_info(cnxid), (5, 'admin', set([u'managers']), {}))

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

        repo.close(cnxid)

        self.assertRaises(BadConnectionId, repo.user_info, cnxid)

        self.assertRaises(BadConnectionId, repo.describe, cnxid, 1)

    def test_shared_data_api(self):

        repo = self.repo

        cnxid = repo.connect(*self.default_user_password())

        self.assertEquals(repo.get_shared_data(cnxid, 'data'), None)

        repo.set_shared_data(cnxid, 'data', 4)

        self.assertEquals(repo.get_shared_data(cnxid, 'data'), 4)

        repo.get_shared_data(cnxid, 'data', pop=True)

        repo.get_shared_data(cnxid, 'whatever', pop=True)

        self.assertEquals(repo.get_shared_data(cnxid, 'data'), None)

        repo.close(cnxid)

        self.assertRaises(BadConnectionId, repo.set_shared_data, cnxid, 'data', 0)

        self.assertRaises(BadConnectionId, repo.get_shared_data, cnxid, 'data')

class DataHelpersTC(RepositoryBasedTC):

    def setUp(self):

        """ called before each test from this class """

        cnxid = self.repo.connect(*self.default_user_password())

        self.session = self.repo._sessions[cnxid]

        self.session.set_pool()

    def tearDown(self):

        self.session.rollback()

    def test_create_eid(self):

        self.assert_(self.repo.system_source.create_eid(self.session))

    def test_source_from_eid(self):

        self.assertEquals(self.repo.source_from_eid(1, self.session),

                          self.repo.sources_by_uri['system'])

    def test_source_from_eid_raise(self):

        self.assertRaises(UnknownEid, self.repo.source_from_eid, -2, self.session)

    def test_type_from_eid(self):

        self.assertEquals(self.repo.type_from_eid(1, self.session), 'CWGroup')

    def test_type_from_eid_raise(self):

        self.assertRaises(UnknownEid, self.repo.type_from_eid, -2, self.session)