#!/usr/bin/env python3

# This file is part of Cockpit.
#
# Copyright (C) 2013 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  # noqa: F401
from netlib import NetworkCase
from testlib import skipDistroPackage, test_main, wait

from lib.constants import TEST_OS_DEFAULT


@skipDistroPackage()
class TestNetworkingMTU(NetworkCase):
    provision = {
        "machine1": {"memory_mb": 512},
        "machine2": {"image": TEST_OS_DEFAULT, "address": "10.111.113.2/20", "dhcp": True, "memory_mb": 256}
    }

    def testMtu(self):
        b = self.browser
        m = self.machine

        self.login_and_go("/network")
        b.wait_visible("#networking")

        iface = self.add_iface()
        self.wait_for_iface(iface)

        self.select_iface(iface)
        b.wait_visible("#network-interface")

        self.configure_iface_setting('MTU')
        b.wait_visible("#network-mtu-settings-dialog")

        # wait until dialog initialized
        b.wait_visible("#network-mtu-settings-dialog > button[aria-label=Close]")
        b.wait_visible("#network-mtu-settings-custom")
        b.assert_pixels("#network-mtu-settings-dialog", "networking-mtu-settings-dialog")

        b.set_checked('#network-mtu-settings-custom', True)
        b.set_input_text('#network-mtu-settings-input', "1400")
        b.click("#network-mtu-settings-save")
        b.wait_not_present("#network-mtu-settings-dialog")
        self.wait_for_iface_setting('MTU', '1400')

        # We're debugging failures here log status to journal for diagnosis
        wait(lambda: "mtu 1400" in m.execute(f"ip link show {iface} | logger -s 2>&1"))


if __name__ == '__main__':
    test_main()
