# Copyright 2014, Tresys Technology, LLC
#
# This file is part of SETools.
#
# SETools 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 2 of the License, or
# (at your option) any later version.
#
# SETools 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 SETools.  If not, see <http://www.gnu.org/licenses/>.
#
import unittest

from libapol import SELinuxPolicy
from libapol.userquery import UserQuery


class UserQueryTest(unittest.TestCase):

    def setUp(self):
        self.p = SELinuxPolicy("tests/userquery.conf")

    def test_000_unset(self):
        """User query with no criteria."""
        # query with no parameters gets all types.
        for numusers, u in enumerate(self.p.users(), start=1):
            pass

        q = UserQuery(self.p)
        for q_numusers, u in enumerate(q.results(), start=1):
            pass

        self.assertEqual(numusers, q_numusers)

    def test_001_name_exact(self):
        """User query with exact name match."""
        q = UserQuery(self.p, name="test1_u")

        # manually consume the generator:
        u = sorted(q.results())
        self.assertEqual(len(u), 1)

        self.assertEqual(u[0], "test1_u")

    def test_002_name_regex(self):
        """User query with regex name match."""
        q = UserQuery(self.p, name="test2_u(1|2)", name_regex=True)

        # manually consume the generator:
        u = sorted(q.results())
        self.assertEqual(len(u), 2)

        self.assertEqual(u[0], "test2_u1")
        self.assertEqual(u[1], "test2_u2")

    def test_010_role_intersect(self):
        """User query with role set intersection."""
        q = UserQuery(self.p, roles=["test10a_r", "test10b_r"])

        # manually consume the generator:
        u = sorted(q.results())
        self.assertEqual(len(u), 6)

        self.assertEqual(u[0], "test10_u1")
        self.assertEqual(u[1], "test10_u2")
        self.assertEqual(u[2], "test10_u3")
        self.assertEqual(u[3], "test10_u4")
        self.assertEqual(u[4], "test10_u5")
        self.assertEqual(u[5], "test10_u6")

    def test_011_role_equality(self):
        """User query with role set equality."""
        q = UserQuery(
            self.p, roles=["test11a_r", "test11b_r"], roles_equal=True)

        # manually consume the generator:
        u = sorted(q.results())
        self.assertEqual(len(u), 1)

        self.assertEqual(u[0], "test11_u2")

    def test_012_role_regex(self):
        """User query with role regex match."""
        q = UserQuery(self.p, roles="test12(a|b)_r", roles_regex=True)

        # manually consume the generator:
        u = sorted(q.results())
        self.assertEqual(len(u), 6)

        self.assertEqual(u[0], "test12_u1")
        self.assertEqual(u[1], "test12_u2")
        self.assertEqual(u[2], "test12_u3")
        self.assertEqual(u[3], "test12_u4")
        self.assertEqual(u[4], "test12_u5")
        self.assertEqual(u[5], "test12_u6")