# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# BitBake Tests for utils.py
#
# Copyright (C) 2012 Richard Purdie
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#

import unittest
import bb
import os

class VerCmpString(unittest.TestCase):

    def test_vercmpstring(self):
        result = bb.utils.vercmp_string('1', '2')
        self.assertTrue(result < 0)
        result = bb.utils.vercmp_string('2', '1')
        self.assertTrue(result > 0)
        result = bb.utils.vercmp_string('1', '1.0')
        self.assertTrue(result < 0)
        result = bb.utils.vercmp_string('1', '1.1')
        self.assertTrue(result < 0)
        result = bb.utils.vercmp_string('1.1', '1_p2')
        self.assertTrue(result < 0)

    def test_explode_dep_versions(self):
        correctresult = {"foo" : ["= 1.10"]}
        result = bb.utils.explode_dep_versions2("foo (= 1.10)")
        self.assertEqual(result, correctresult)
        result = bb.utils.explode_dep_versions2("foo (=1.10)")
        self.assertEqual(result, correctresult)
        result = bb.utils.explode_dep_versions2("foo ( = 1.10)")
        self.assertEqual(result, correctresult)
        result = bb.utils.explode_dep_versions2("foo ( =1.10)")
        self.assertEqual(result, correctresult)
        result = bb.utils.explode_dep_versions2("foo ( = 1.10 )")
        self.assertEqual(result, correctresult)
        result = bb.utils.explode_dep_versions2("foo ( =1.10 )")
        self.assertEqual(result, correctresult)

    def test_vercmp_string_op(self):
        compareops = [('1', '1', '=', True),
                      ('1', '1', '==', True),
                      ('1', '1', '!=', False),
                      ('1', '1', '>', False),
                      ('1', '1', '<', False),
                      ('1', '1', '>=', True),
                      ('1', '1', '<=', True),
                      ('1', '0', '=', False),
                      ('1', '0', '==', False),
                      ('1', '0', '!=', True),
                      ('1', '0', '>', True),
                      ('1', '0', '<', False),
                      ('1', '0', '>>', True),
                      ('1', '0', '<<', False),
                      ('1', '0', '>=', True),
                      ('1', '0', '<=', False),
                      ('0', '1', '=', False),
                      ('0', '1', '==', False),
                      ('0', '1', '!=', True),
                      ('0', '1', '>', False),
                      ('0', '1', '<', True),
                      ('0', '1', '>>', False),
                      ('0', '1', '<<', True),
                      ('0', '1', '>=', False),
                      ('0', '1', '<=', True)]

        for arg1, arg2, op, correctresult in compareops:
            result = bb.utils.vercmp_string_op(arg1, arg2, op)
            self.assertEqual(result, correctresult, 'vercmp_string_op("%s", "%s", "%s") != %s' % (arg1, arg2, op, correctresult))

        # Check that clearly invalid operator raises an exception
        self.assertRaises(bb.utils.VersionStringException, bb.utils.vercmp_string_op, '0', '0', '$')


class Path(unittest.TestCase):
    def test_unsafe_delete_path(self):
        checkitems = [('/', True),
                      ('//', True),
                      ('///', True),
                      (os.getcwd().count(os.sep) * ('..' + os.sep), True),
                      (os.environ.get('HOME', '/home/test'), True),
                      ('/home/someone', True),
                      ('/home/other/', True),
                      ('/home/other/subdir', False),
                      ('', False)]
        for arg1, correctresult in checkitems:
            result = bb.utils._check_unsafe_delete_path(arg1)
            self.assertEqual(result, correctresult, '_check_unsafe_delete_path("%s") != %s' % (arg1, correctresult))