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MIT/X Consortium License

© 2006-2009 Anselm R Garbe <garbeam at gmail dot com>
© 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
© 2006-2009 Jukka Salmi <jukka at salmi dot ch>
© 2007-2009 Premysl Hruby <dfenze at gmail dot com>
© 2007-2009 Szabolcs Nagy <nszabolcs at gmail dot com>
© 2007-2009 Christof Musik <christof at sendfax dot de>
© 2007-2008 Enno Gottox Boland <gottox at s01 dot de>
© 2007-2008 Peter Hartlich <sgkkr at hartlich dot com>
© 2008 Martin Hurton <martin dot hurton at gmail dot com>
© 2008 Neale Pickett <neale dot woozle dot org>
© 2009 Mate Nagy <mnagy@port70.net>

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
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# Copyright (C) 2009, 2010  Roman Zimbelmann <romanz@lavabit.com>
#
# 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/>.

if __name__ == '__main__': from __init__ import init; init()

from os.path import realpath, join, dirname

from ranger import fsobject
from ranger.fsobject.file import File
from ranger.fsobject.directory import Directory
from ranger.shared.settings import SettingsAware

SettingsAware._setup()

TESTDIR = realpath(join(dirname(__file__), 'testdir'))
TESTFILE = join(TESTDIR, 'testfile5234148')
NONEXISTANT_DIR = join(TESTDIR, 'nonexistant')

import unittest
class Test1(unittest.TestCase):
	def test_initial_condition(self):
		# Check for the expected initial condition
		dir = Directory(TESTDIR)

		self.assertEqual(dir.path, TESTDIR)
		self.assertFalse(dir.content_loaded)
		self.assertEqual(dir.filenames, None)
		self.assertEqual(dir.files, None)
		self.assertRaises(fsobject.NotLoadedYet, len, dir)

	def test_after_content_loaded(self):
		import os
		# Check whether the directory has the correct list of filenames.
		dir = Directory(TESTDIR)
		dir.load_content()

		self.assertTrue(dir.exists)
		self.assertEqual(type(dir.filenames), list)

		# Get the filenames you expect it to have and sort both before
		# comparing. I don't expect any order after only loading the filenames.
		assumed_filenames = os.listdir(TESTDIR)
		assumed_filenames = list(map(lambda str: os.path.join(TESTDIR, str),
			assumed_filenames))
		assumed_filenames.sort()
		dir.filenames.sort()

		self.assertTrue(len(dir) > 0)
		self.assertEqual(dir.filenames, assumed_filenames)

		# build a file object for each file in the list assumed_filenames
		# and find exactly one equivalent in dir.files
		for name in assumed_filenames:
			f = File(name)
			f.load()
			for dirfile in dir.files:
				if (f.path == dirfile.path and f.stat == dirfile.stat):
					break
			else:
				self.fail("couldn't find file {0}".format(name))

	def test_nonexistant_dir(self):
		dir = Directory(NONEXISTANT_DIR)
		dir.load_content()
		
		self.assertTrue(dir.content_loaded)
		self.assertFalse(dir.exists)
		self.assertFalse(dir.accessible)
		self.assertEqual(dir.filenames, None)
		self.assertRaises(fsobject.NotLoadedYet, len, dir)

	def test_load_if_outdated(self):
		import os
		import time
		# modify the directory. If the time between the last modification
		# was within the filesystems resolution of mtime, we should have a reload

		def modify_dir():
			open(TESTFILE, 'w').close()
			os.unlink(TESTFILE)

		def mtime():
			return os.stat(TESTDIR).st_mtime

		dir = Directory(TESTDIR)
		dir.load()

		# If the modification happens to be in the same second as the
		# last modification, it will result in mtime having the same
		# integer value. So we wait until the resolution is exceeded
		# and mtime differs.
		old_mtime = mtime()
		for i in range(50):
			modify_dir()
			if old_mtime != mtime(): break
			time.sleep(0.1)
		else:
			# fail after 5 seconds of trying
			self.fail(
					"Cannot perform test: mtime of TESTDIR is not being updated.")

		self.assertTrue(dir.load_if_outdated())

if __name__ == '__main__':
	unittest.main()