# -*- coding: utf-8 -*-

# Copyright (C) 2012-2018 Red Hat, Inc.

#

# This copyrighted material is made available to anyone wishing to use,

# modify, copy, or redistribute it subject to the terms and conditions of

# the GNU General Public License v.2, or (at your option) any later version.

# This program is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY expressed or implied, including the implied warranties 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.  Any Red Hat trademarks that are incorporated in the

# source code or documentation are not subject to the GNU General Public

# License and may only be used or replicated with the express permission of

# Red Hat, Inc.

#

from __future__ import absolute_import

from __future__ import unicode_literals

import itertools

import libdnf.transaction

import dnf.cli.commands

import tests.support

class Remove(tests.support.ResultTestCase):

    REPOS = []

    def setUp(self):

        super(Remove, self).setUp()

        self.allow_erasing = True

    def test_not_installed(self):

        """ Removing a not-installed package is a void operation. """

        with self.assertRaises(dnf.exceptions.PackagesNotInstalledError) as context:

            self.base.remove('mrkite')

        self.assertEqual(context.exception.pkg_spec, 'mrkite')

        installed_pkgs = self.base.sack.query().installed().run()

        self.assertResult(self.base, installed_pkgs)

    def test_remove(self):

        """ Simple remove. """

        self.base.remove("pepper")

        self.assertResult(self.base,

                          tests.support.installed_but(self.base.sack, "pepper"))

    def test_remove_dependent(self):

        """ Remove a lib that some other package depends on. """

        self.base.remove("librita")

        # we should end up with nothing in this case:

        new_set = tests.support.installed_but(self.base.sack, "librita", "pepper")

        self.assertResult(self.base, new_set)

    def test_remove_nevra(self):

        self.base.remove("pepper-20-0.x86_64")

        pepper = self.base.sack.query().installed().filter(name="pepper")

        (installed, removed) = self.installed_removed(self.base)

        self.assertLength(installed, 0)

        self.assertCountEqual(removed, pepper.run())

    def test_remove_glob(self):

        """ Test that weird input combinations with globs work. """

        ret = self.base.remove("*.i686")

        self.assertEqual(ret, 1)

    def test_remove_provides(self):

        """Remove uses provides too."""

        self.assertEqual(1, self.base.remove('parking'))

    def test_reponame(self):

        """Test whether only packages from the repository are uninstalled."""

        pkg_subj = dnf.subject.Subject('librita.x86_64')

        tsis = []

        for pkg in pkg_subj.get_best_query(self.base.sack).installed():

            pkg._force_swdb_repoid = "main"

            self.history.rpm.add_install(pkg)

#            tsi = dnf.transaction.TransactionItem(

#                dnf.transaction.INSTALL,

#                installed=pkg,

#                reason=libdnf.transaction.TransactionItemReason_USER

#            )

#            tsis.append(tsi)

        self._swdb_commit(tsis)

        self.base.remove('librita', 'main')

        self.assertResult(self.base, itertools.chain(

            self.base.sack.query().installed().filter(name__neq='librita'),

            dnf.subject.Subject('librita.i686').get_best_query(self.base.sack).installed())

        )