# Copyright 2014  Lars Wirzenius
#
# 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/>.
#
# =*= License: GPL-3+ =*=


import errno
import unittest

import distixlib


class TicketLoaderTests(unittest.TestCase):

    def test_load_from_directory_raises_error_if_metadata_isnt_found(self):

        def raise_error(*args):
            raise distixlib.CannotLoadMetadataError(
                filename='whatever', errno=errno.ENOENT, strerror='not there')

        loader = distixlib.TicketLoader()
        loader._load_metadata = raise_error
        self.assertRaises(
            distixlib.CannotLoadTicketError,
            loader.load_from_directory,
            'ticketid')

    def test_load_from_directory_loads_ticket_metadata(self):

        metadata = distixlib.Metadata()
        metadata.add('ticket-id', 'tid')
        metadata.add('title', 'cats and dogs')

        def load_metadata(*args):
            return metadata

        loader = distixlib.TicketLoader()
        loader._load_metadata = load_metadata
        loader._load_messages = lambda *args: []
        ticket = loader.load_from_directory('ticket-id')
        self.assertEqual(ticket.get_ticket_id(), 'tid')
        self.assertEqual(ticket.get_title(), 'cats and dogs')