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# Unix SMB/CIFS implementation.
# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2009-2011
#
# This program 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 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
#

"""Tests for samba.netcmd."""

from cStringIO import StringIO
from samba.netcmd import Command
from samba.netcmd.testparm import cmd_testparm
from samba.netcmd.main import cmd_sambatool
import samba.tests

class NetCmdTestCase(samba.tests.TestCase):

    def run_netcmd(self, cmd_klass, args, retcode=0):
        cmd = cmd_klass(outf=StringIO(), errf=StringIO())
        try:
            retval = cmd._run(cmd_klass.__name__, *args)
        except Exception, e:
            cmd.show_command_error(e)
            retval = 1
        self.assertEquals(retcode, retval)
        return cmd.outf.getvalue(), cmd.errf.getvalue()

    def iter_all_subcommands(self):
        todo = []
        todo.extend(cmd_sambatool.subcommands.items())
        while todo:
            (path, cmd) = todo.pop()
            yield path, cmd
            subcmds = getattr(cmd, "subcommands", {})
            todo.extend([(path + " " + k, v) for (k, v) in
                subcmds.iteritems()])


class TestParmTests(NetCmdTestCase):

    def test_no_client_ip(self):
        out, err = self.run_netcmd(cmd_testparm, ["--client-name=foo"],
            retcode=-1)
        self.assertEquals("", out)
        self.assertEquals(
            "ERROR: Both a DNS name and an IP address are "
            "required for the host access check\n", err)


class CommandTests(NetCmdTestCase):

    def test_description(self):
        class cmd_foo(Command):
            """Mydescription"""
        self.assertEquals("Mydescription", cmd_foo().short_description)

    def test_name(self):
        class cmd_foo(Command):
            pass
        self.assertEquals("foo", cmd_foo().name)

    def test_synopsis_everywhere(self):
        missing = []
        for path, cmd in self.iter_all_subcommands():
            if cmd.synopsis is None:
                missing.append(path)
        if missing:
            self.fail("The following commands do not have a synopsis set: %r" %
                    missing)

    def test_short_description_everywhere(self):
        missing = []
        for path, cmd in self.iter_all_subcommands():
            if cmd.short_description is None:
                missing.append(path)
        if not missing:
            return
        self.fail(
            "The following commands do not have a short description set: %r" %
                missing)