# -*- coding: utf-8 -*-
# test_couch.py
# Copyright (C) 2013-2016 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Test ObjectStore and Couch backend bits.
"""

from uuid import uuid4
from six.moves.urllib.parse import urljoin
from testscenarios import TestWithScenarios
from twisted.trial import unittest

from leap.soledad.common import couch

from test_soledad.util import CouchDBTestCase
from test_soledad.u1db_tests import test_backends

from .common import COUCH_SCENARIOS


# -----------------------------------------------------------------------------
# The following tests come from `u1db.tests.test_common_backend`.
# -----------------------------------------------------------------------------

class TestCouchBackendImpl(CouchDBTestCase):

    def test__allocate_doc_id(self):
        db = couch.CouchDatabase.open_database(
            urljoin(self.couch_url, 'test-%s' % uuid4().hex),
            create=True)
        doc_id1 = db._allocate_doc_id()
        self.assertTrue(doc_id1.startswith('D-'))
        self.assertEqual(34, len(doc_id1))
        int(doc_id1[len('D-'):], 16)
        self.assertNotEqual(doc_id1, db._allocate_doc_id())
        self.delete_db(db._dbname)


# -----------------------------------------------------------------------------
# The following tests come from `u1db.tests.test_backends`.
# -----------------------------------------------------------------------------

class CouchTests(
        TestWithScenarios, test_backends.AllDatabaseTests, CouchDBTestCase):

    scenarios = COUCH_SCENARIOS


class CouchBackendTests(
        TestWithScenarios,
        test_backends.LocalDatabaseTests,
        CouchDBTestCase):

    scenarios = COUCH_SCENARIOS


class CouchValidateGenNTransIdTests(
        TestWithScenarios,
        test_backends.LocalDatabaseValidateGenNTransIdTests,
        CouchDBTestCase):

    scenarios = COUCH_SCENARIOS


class CouchValidateSourceGenTests(
        TestWithScenarios,
        test_backends.LocalDatabaseValidateSourceGenTests,
        CouchDBTestCase):

    scenarios = COUCH_SCENARIOS


class CouchWithConflictsTests(
        TestWithScenarios,
        test_backends.LocalDatabaseWithConflictsTests,
        CouchDBTestCase):

        scenarios = COUCH_SCENARIOS


# Notice: the CouchDB backend does not have indexing capabilities, so we do
# not test indexing now.

# class CouchIndexTests(test_backends.DatabaseIndexTests, CouchDBTestCase):
#
#     scenarios = COUCH_SCENARIOS
#
#     def tearDown(self):
#         self.db.delete_database()
#         test_backends.DatabaseIndexTests.tearDown(self)


class DatabaseNameValidationTest(unittest.TestCase):

    def test_database_name_validation(self):
        inject = couch.state.is_db_name_valid("user-deadbeef | cat /secret")
        self.assertFalse(inject)
        self.assertTrue(couch.state.is_db_name_valid("user-cafe1337"))