sugar-toolkit-gtk3/tests/test_mime.py

#!/usr/bin/env python2

# Copyright (C) 2006, Red Hat, Inc.
# Copyright (C) 2007, One Laptop Per Child
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

import os
import unittest

from sugar3 import mime

tests_dir = os.path.dirname(__file__)
data_dir = os.path.join(tests_dir, "data")


class TestMime(unittest.TestCase):
    def test_split_uri_list(self):
        self.assertSequenceEqual(mime.split_uri_list("http://one\nhttp://two"),
                                 ("http://one", "http://two"))

    def test_get_mime_parents(self):
        self.assertListEqual(mime.get_mime_parents("image/svg+xml"),
                             ["application/xml"])

        # If the mime type don't have parents, should return a empty array
        self.assertListEqual(mime.get_mime_parents("application/octet-stream"),
                             [])

    def test_get_for_file(self):
        self.assertEqual(mime.get_for_file(os.path.join(data_dir, "mime.svg")),
                         'image/svg+xml')

    def test_from_file_name(self):
        self.assertEqual(mime.get_from_file_name('test.pdf'),
                         'application/pdf')

    def test_choose_most_significant(self):
        # Mozilla's text in dnd
        mime_type = mime.choose_most_significant(
            ['text/plain', 'text/_moz_htmlcontext', 'text/unicode',
             'text/html', 'text/_moz_htmlinfo'])
        self.assertEqual(mime_type, 'text/html')

        # Mozilla's text in c&v
        mime_type = mime.choose_most_significant(
            ['text/_moz_htmlcontext',
             'STRING',
             'text/html',
             'text/_moz_htmlinfo',
             'text/x-moz-url-priv',
             'UTF8_STRING',
             'COMPOUND_TEXT'])
        self.assertEqual(mime_type, 'text/html')

        # Mozilla gif in dnd
        mime_type = mime.choose_most_significant(
            ['application/x-moz-file-promise-url',
             'application/x-moz-file-promise-dest-filename',
             'text/_moz_htmlinfo', 'text/x-moz-url-desc',
             'text/_moz_htmlcontext', 'text/x-moz-url-data',
             'text/uri-list'])
        self.assertEqual(mime_type, 'text/uri-list')

        # Mozilla url in dnd
        mime_type = mime.choose_most_significant(
            ['text/_moz_htmlcontext',
             'text/html',
             'text/_moz_htmlinfo',
             '_NETSCAPE_URL',
             'text/x-moz-url',
             'text/x-moz-url-desc',
             'text/x-moz-url-data',
             'text/plain',
             'text/unicode'])
        self.assertEqual(mime_type, 'text/x-moz-url')

        # Abiword text in dnd
        mime_type = mime.choose_most_significant(
            ['text/rtf', 'text/uri-list'])
        self.assertEqual(mime_type, 'text/uri-list')

        # Abiword text in c&v
        mime_type = mime.choose_most_significant(
            ['UTF8_STRING', 'STRING', 'text/html', 'TEXT', 'text/rtf',
             'COMPOUND_TEXT', 'application/rtf', 'text/plain',
             'application/xhtml+xml'])
        self.assertEqual(mime_type, 'application/rtf')

        # Abiword text in c&v
        mime_type = mime.choose_most_significant(
            ['GTK_TEXT_BUFFER_CONTENTS',
             'application/x-gtk-text-buffer-rich-text',
             'UTF8_STRING', 'COMPOUND_TEXT', 'TEXT', 'STRING',
             'text/plain;charset=utf-8', 'text/plain;charset=UTF-8',
             'text/plain'])
        self.assertEqual(mime_type, 'text/plain')