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# Copyright (C) 2011-2016 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman 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.
#
# GNU Mailman 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
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Testing i18n template search and interpolation."""
import os
import shutil
import tempfile
import unittest
from mailman.app.lifecycle import create_list
from mailman.config import config
from mailman.interfaces.languages import ILanguageManager
from mailman.testing.layers import ConfigLayer
from mailman.utilities.i18n import TemplateNotFoundError, find, search
from pkg_resources import resource_filename
from zope.component import getUtility
class TestSearchOrder(unittest.TestCase):
"""Test internal search order for language templates."""
layer = ConfigLayer
def setUp(self):
self.var_dir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.var_dir)
config.push('no template dir', """\
[mailman]
default_language: fr
[paths.testing]
var_dir: {}
""".format(self.var_dir))
self.addCleanup(config.pop, 'no template dir')
self.mlist = create_list('l@example.com')
self.mlist.preferred_language = 'de'
def _stripped_search_order(self, template_file,
mailing_list=None, language=None):
# Return the search path order for a given template, possibly using
# the mailing list and the language as context. Note that this only
# returns the search path, and does not check for whether the paths
# exist or not.
#
# Replace the tempdir prefix with a placeholder for more readable and
# reproducible tests. Essentially the paths below are rooted at
# $var_dir, except those files that live within Mailman's source
# tree. The former will use /v/ as the root and the latter will use
# /m/ as the root.
in_tree = os.path.dirname(resource_filename('mailman', 'templates'))
raw_search_order = search(template_file, mailing_list, language)
for path in raw_search_order:
if path.startswith(self.var_dir):
path = '/v' + path[len(self.var_dir):]
elif path.startswith(in_tree):
path = '/m' + path[len(in_tree):]
else:
# This will cause tests to fail, so keep the full bogus
# pathname for better debugging.
pass
yield path
def test_fully_specified_search_order(self):
search_order = self._stripped_search_order('foo.txt', self.mlist, 'it')
# For convenience.
def nexteq(path): # noqa: E301
self.assertEqual(next(search_order), path)
# 1: Use the given language argument
nexteq('/v/templates/lists/l.example.com/it/foo.txt')
nexteq('/v/templates/lists/l@example.com/it/foo.txt')
nexteq('/v/templates/domains/example.com/it/foo.txt')
nexteq('/v/templates/site/it/foo.txt')
# 2: Use mlist.preferred_language
nexteq('/v/templates/lists/l.example.com/de/foo.txt')
nexteq('/v/templates/lists/l@example.com/de/foo.txt')
nexteq('/v/templates/domains/example.com/de/foo.txt')
nexteq('/v/templates/site/de/foo.txt')
# 3: Use the site's default language
nexteq('/v/templates/lists/l.example.com/fr/foo.txt')
nexteq('/v/templates/lists/l@example.com/fr/foo.txt')
nexteq('/v/templates/domains/example.com/fr/foo.txt')
nexteq('/v/templates/site/fr/foo.txt')
# 4: English
nexteq('/v/templates/lists/l.example.com/en/foo.txt')
nexteq('/v/templates/lists/l@example.com/en/foo.txt')
nexteq('/v/templates/domains/example.com/en/foo.txt')
nexteq('/v/templates/site/en/foo.txt')
# 5: After all the site-admin override paths have been searched, the
# Mailman in-tree paths are searched. Note that Mailman only ships
# one set of English templates.
nexteq('/m/templates/en/foo.txt')
def test_no_language_argument_search_order(self):
search_order = self._stripped_search_order('foo.txt', self.mlist)
# For convenience.
def nexteq(path): # noqa: E301
self.assertEqual(next(search_order), path)
# 1: Use mlist.preferred_language
nexteq('/v/templates/lists/l.example.com/de/foo.txt')
nexteq('/v/templates/lists/l@example.com/de/foo.txt')
nexteq('/v/templates/domains/example.com/de/foo.txt')
nexteq('/v/templates/site/de/foo.txt')
# 2: Use the site's default language
nexteq('/v/templates/lists/l.example.com/fr/foo.txt')
nexteq('/v/templates/lists/l@example.com/fr/foo.txt')
nexteq('/v/templates/domains/example.com/fr/foo.txt')
nexteq('/v/templates/site/fr/foo.txt')
# 3: English
nexteq('/v/templates/lists/l.example.com/en/foo.txt')
nexteq('/v/templates/lists/l@example.com/en/foo.txt')
nexteq('/v/templates/domains/example.com/en/foo.txt')
nexteq('/v/templates/site/en/foo.txt')
# 4: After all the site-admin override paths have been searched, the
# Mailman in-tree paths are searched. Note that Mailman only ships
# one set of English templates.
nexteq('/m/templates/en/foo.txt')
def test_no_mailing_list_argument_search_order(self):
search_order = self._stripped_search_order('foo.txt', language='it')
# For convenience.
def nexteq(path): # noqa: E301
self.assertEqual(next(search_order), path)
# 1: Use the given language argument
nexteq('/v/templates/site/it/foo.txt')
# 2: Use the site's default language
nexteq('/v/templates/site/fr/foo.txt')
# 3: English
nexteq('/v/templates/site/en/foo.txt')
# 4: After all the site-admin override paths have been searched, the
# Mailman in-tree paths are searched. Note that Mailman only ships
# one set of English templates.
nexteq('/m/templates/en/foo.txt')
def test_no_optional_arguments_search_order(self):
search_order = self._stripped_search_order('foo.txt')
# For convenience.
def nexteq(path): # noqa: E301
self.assertEqual(next(search_order), path)
# 1: Use the site's default language
nexteq('/v/templates/site/fr/foo.txt')
# 2: English
nexteq('/v/templates/site/en/foo.txt')
# 3: After all the site-admin override paths have been searched, the
# Mailman in-tree paths are searched. Note that Mailman only ships
# one set of English templates.
nexteq('/m/templates/en/foo.txt')
class TestFind(unittest.TestCase):
"""Test template search."""
layer = ConfigLayer
def setUp(self):
self.var_dir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.var_dir)
config.push('template config', """\
[paths.testing]
var_dir: {}
""".format(self.var_dir))
self.addCleanup(config.pop, 'template config')
# The following MUST happen AFTER the push() above since pushing a new
# config also clears out the language manager.
getUtility(ILanguageManager).add('xx', 'utf-8', 'Xlandia')
self.mlist = create_list('test@example.com')
self.mlist.preferred_language = 'xx'
self.fp = None
# Populate the template directories with a few fake templates.
def write(text, path): # noqa: E301
os.makedirs(os.path.dirname(path))
with open(path, 'w') as fp:
fp.write(text)
self.xxsite = os.path.join(
self.var_dir, 'templates', 'site', 'xx', 'site.txt')
write('Site template', self.xxsite)
self.xxdomain = os.path.join(
self.var_dir, 'templates',
'domains', 'example.com', 'xx', 'domain.txt')
write('Domain template', self.xxdomain)
self.xxlist = os.path.join(
self.var_dir, 'templates',
'lists', 'test@example.com', 'xx', 'list.txt')
write('List template', self.xxlist)
def tearDown(self):
if self.fp is not None:
self.fp.close()
def test_find_site_template(self):
filename, self.fp = find('site.txt', language='xx')
self.assertEqual(filename, self.xxsite)
self.assertEqual(self.fp.read(), 'Site template')
def test_find_domain_template(self):
filename, self.fp = find('domain.txt', self.mlist)
self.assertEqual(filename, self.xxdomain)
self.assertEqual(self.fp.read(), 'Domain template')
def test_find_list_template(self):
filename, self.fp = find('list.txt', self.mlist)
self.assertEqual(filename, self.xxlist)
self.assertEqual(self.fp.read(), 'List template')
def test_template_not_found(self):
with self.assertRaises(TemplateNotFoundError) as cm:
find('missing.txt', self.mlist)
self.assertEqual(cm.exception.template_file, 'missing.txt')
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