#!/usr/bin/env python2
# -*- coding: utf-8 -*-
#
# Copyright 2002-2006 Zuza Software Foundation
#
# This file is part of translate.
#
# translate 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 2 of the License, or
# (at your option) any later version.
#
# translate 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/>.
#

from translate.storage.xml_extract import misc


# reduce_tree

test_tree_1 = (u'a',
               [(u'b', []),
                (u'c', [(u'd', []), (u'e', [])]),
                (u'f', [(u'g', [(u'h', [])])])])

test_tree_2 = (1,
               [(2, []),
                (3, [(4, []), (5, [])]),
                (6, [(7, [(8, [])])])])


def get_children(node):
    return node[1]


def test_reduce_tree():

    def concatenate(parent_node, node, string):
        return string + node[0]

    assert u'abcdefgh' == misc.reduce_tree(concatenate, test_tree_1, test_tree_1, get_children, u'')

    def get_even_and_total(parent_node, node, even_lst, total):
        num = node[0]
        if num % 2 == 0:
            even_lst.append(num)
        return even_lst, total + num

    assert ([2, 4, 6, 8], 36) == misc.reduce_tree(get_even_and_total, test_tree_2, test_tree_2, get_children, [], 0)

# compose_mappings

left_mapping = {1: u'a', 2: u'b', 3: u'c', 4: u'd', 5: u'e'}
right_mapping = {u'a': -1, u'b': -2, u'd': -4, u'e': -5, u'f': -6}

composed_mapping = {1: -1, 2: -2, 4: -4, 5: -5}


def test_compose_mappings():
    assert composed_mapping == misc.compose_mappings(left_mapping, right_mapping)

# parse_tag


def test_parse_tag():
    assert (u'some-urn', u'some-tag') == \
        misc.parse_tag(u'{some-urn}some-tag')

    assert (u'urn:oasis:names:tc:opendocument:xmlns:office:1.0', u'document-content') == \
        misc.parse_tag(u'{urn:oasis:names:tc:opendocument:xmlns:office:1.0}document-content')
