import unittest, os, time
from commontest import *
from rdiff_backup import Globals, rpath, fs_abilities

class FSAbilitiesTest(unittest.TestCase):
	"""Test testing of file system abilities

	Some of these tests assume that the actual file system tested has
	the given abilities.  If the file system this is run on differs
	from the original test system, this test may/should fail. Change
	the expected values below.

	"""
	# Describes standard linux file system with acls/eas
	dir_to_test = "testfiles"
	eas = acls = 1
	chars_to_quote = ""
	ownership = (os.getuid() == 0)
	hardlinks = fsync_dirs = 1

	# Describes MS-Windows style file system
	#dir_to_test = "/mnt/fat"
	#eas = acls = 0
	#chars_to_quote = "^a-z0-9_ -"
	#ownership = hardlinks = 0
	#fsync_dirs = 1
	
	def testReadOnly(self):
		"""Test basic querying read only"""
		base_dir = rpath.RPath(Globals.local_connection, self.dir_to_test)
		fsa = fs_abilities.FSAbilities().init_readonly(base_dir)
		assert fsa.read_only == 1, fsa.read_only
		assert fsa.eas == self.eas, fsa.eas
		assert fsa.acls == self.acls, fsa.acls

	def testReadWrite(self):
		"""Test basic querying read/write"""
		base_dir = rpath.RPath(Globals.local_connection, self.dir_to_test)
		new_dir = base_dir.append("fs_abilitiestest")
		if new_dir.lstat(): Myrm(new_dir.path)
		new_dir.setdata()
		new_dir.mkdir()
		t = time.time()
		fsa = fs_abilities.FSAbilities().init_readwrite(new_dir)
		print "Time elapsed = ", time.time() - t
		assert fsa.read_only == 0, fsa.read_only
		assert fsa.eas == self.eas, fsa.eas
		assert fsa.acls == self.acls, fsa.acls
		assert fsa.chars_to_quote == self.chars_to_quote, fsa.chars_to_quote
		assert fsa.ownership == self.ownership, fsa.ownership
		assert fsa.hardlinks == self.hardlinks, fsa.hardlinks
		assert fsa.fsync_dirs == self.fsync_dirs, fsa.fsync_dirs

		ctq_rp = new_dir.append("chars_to_quote")
		assert ctq_rp.lstat()
		fp = ctq_rp.open('rb')
		chars_to_quote = fp.read()
		assert not fp.close()
		assert chars_to_quote == self.chars_to_quote, chars_to_quote

		new_dir.delete()

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