#!/usr/bin/python
# -*- coding: utf-8 -*-

# This file is part of Cockpit.
#
# Copyright (C) 2015 Red Hat, Inc.
#
# Cockpit is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Cockpit 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Cockpit; If not, see <http://www.gnu.org/licenses/>.

import parent

from testlib import *
from storagelib import *

@skipImage("UDisks doesn't have support for LVM", "debian-stable", "debian-testing", "ubuntu-1604", "ubuntu-stable")
class TestStorage(StorageCase):
    def testResize(self):
        m = self.machine
        b = self.browser

        self.login_and_go("/storage")
        m.add_disk("500M", serial="DISK1")
        b.wait_in_text("#drives", "DISK1")

        m.execute("vgcreate TEST /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_DISK1")
        m.execute("lvcreate TEST -n vol -L 200m")
        m.execute("mkfs.ext4 -q -L FSYS /dev/TEST/vol")

        b.wait_in_text("#vgroups", "TEST")
        b.click('#vgroups tr:contains("TEST")')
        b.wait_visible("#storage-detail")
        self.content_tab_wait_in_info(1, 2, "Name", "FSYS")

        mountpoint = self.mount_root + "/admin/FSYS"

        self.content_tab_action(1, 2, "Mount")
        self.content_tab_wait_in_info(1, 2, "Mounted At", mountpoint)

        self.content_tab_info_action(1, 1, "Size")
        self.dialog({ "size": 400 })

        size = int(m.execute("df -k --output=size %s | tail -1" % mountpoint).strip())
        assert (size > 300000)

        self.content_tab_info_action(1, 1, "Size")
        self.dialog({ "size": 200 })

        # Shrinking a filesystem will unmount it
        self.content_tab_action(1, 2, "Mount")
        self.content_tab_wait_in_info(1, 2, "Mounted At", mountpoint)

        size = int(m.execute("df -k --output=size %s | tail -1" % mountpoint).strip())
        assert (size < 300000)

if __name__ == '__main__':
    test_main()