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import unittest
import os
from commontest import abs_output_dir, old_test_dir, Myrm, MakeOutputDir, \
InternalRestore, compare_recursive
from rdiff_backup import restore, Globals, rpath, Time, log
from rdiffbackup.locations import _repo_shadow
lc = Globals.local_connection
tempdir = rpath.RPath(Globals.local_connection, abs_output_dir)
restore_base_rp = rpath.RPath(Globals.local_connection,
os.path.join(old_test_dir, b"restoretest"))
restore_base_filenames = restore_base_rp.listdir()
mirror_time = 1041109438 # just some late time
class RestoreFileComparer:
"""Holds a file to be restored and tests against it
Each object has a restore file and a dictionary of times ->
rpaths. When the restore file is restored to one of the given
times, the resulting file should be the same as the related rpath.
"""
def __init__(self, rf):
self.rf = rf
self.time_rp_dict = {}
def add_rpath(self, rp, t):
"""Add rp, which represents what rf should be at given time t"""
if t in self.time_rp_dict:
raise KeyError(
"Time {time} is already registered in {tdict}".format(
time=t, tdict=self.time_rp_dict))
self.time_rp_dict[t] = rp
def _compare_at_time(self, t):
"""Restore file, make sure it is the same at time t"""
log.Log("Checking result at time %s" % (t, ), 7)
tf = tempdir.get_temp_rpath()
if Globals.get_api_version() < 201: # compat200
restore.MirrorStruct._mirror_time = mirror_time
restore.MirrorStruct._rest_time = t
else:
_repo_shadow.RepoShadow._mirror_time = mirror_time
_repo_shadow.RepoShadow._restore_time = t
self.rf.set_relevant_incs()
out_rorpath = self.rf.get_attribs().getRORPath()
correct_result = self.time_rp_dict[t]
if out_rorpath.isreg():
out_rorpath.setfile(self.rf.get_restore_fp())
rpath.copy_with_attribs(out_rorpath, tf)
if not tf._equal_verbose(correct_result, check_index=0):
return ("Restored file {rest!s} isn't same "
"as original file {orig!s}.".format(
rest=tf, orig=correct_result))
if tf.isreg():
with tf.open("rb") as tf_fd, correct_result.open("rb") as corr_fd:
if not rpath._cmp_file_obj(tf_fd, corr_fd):
return ("Content of restored file {rest!s} isn't same "
"as original file {orig!s}.".format(
rest=tf, orig=correct_result))
if tf.lstat():
tf.delete()
return () # no error found
def compare_all(self):
"""Check restore results for all available times and return a list
of errors, empty if everything is fine."""
errors = []
for t in list(self.time_rp_dict.keys()):
errors.extend(self._compare_at_time(t))
return errors
class RestoreTimeTest(unittest.TestCase):
def test_time_from_session(self):
"""Test getting time from session number (as in Time._time_from_session)
Test here instead of in timetest because it depends on an
rdiff-backup-data directory already being laid out.
"""
if Globals.get_api_version() < 201: # compat200
restore.MirrorStruct._mirror_time = None # Reset
else:
_repo_shadow.RepoShadow._mirror_time = None
Globals.rbdir = rpath.RPath(
lc,
os.path.join(old_test_dir, b"restoretest3", b"rdiff-backup-data"))
self.assertEqual(Time.genstrtotime("0B"), Time._time_from_session(0))
self.assertEqual(Time.genstrtotime("2B"), Time._time_from_session(2))
self.assertEqual(Time.genstrtotime("23B"), Time._time_from_session(23))
self.assertEqual(Time._time_from_session(0), 40000)
self.assertEqual(Time._time_from_session(2), 20000)
self.assertEqual(Time._time_from_session(5), 10000)
class RestoreTest(unittest.TestCase):
"""Test Restore class"""
def get_rfcs(self):
"""Return available RestoreFileComparer objects"""
if Globals.get_api_version() < 201: # compat200
base_rf = restore.RestoreFile(restore_base_rp, restore_base_rp, [])
else:
base_rf = _repo_shadow._RestoreFile(restore_base_rp,
restore_base_rp, [])
rfs = base_rf.yield_sub_rfs()
rfcs = []
for rf in rfs:
if rf.mirror_rp.dirsplit()[1] in [b"dir"]:
log.Log("skipping 'dir'", 5)
continue
rfc = RestoreFileComparer(rf)
for inc in rf.inc_list:
test_time = inc.getinctime()
rfc.add_rpath(self.get_correct(rf.mirror_rp, test_time),
test_time)
rfc.add_rpath(rf.mirror_rp, mirror_time)
rfcs.append(rfc)
return rfcs
def get_correct(self, mirror_rp, test_time):
"""Return correct version with base mirror_rp at time test_time"""
self.assertGreater(test_time, -1)
self.assertLess(test_time, 2000000000)
dirname, basename = mirror_rp.dirsplit()
for filename in restore_base_filenames:
comps = filename.split(b".")
base = b".".join(comps[:-1])
t = Time.bytestotime(comps[-1])
if t == test_time and basename == base:
return restore_base_rp.append(filename)
# Correct rp must be empty
return restore_base_rp.append(b"%b.%b" %
(basename, Time.timetobytes(test_time)))
@unittest.skipIf(Globals.get_api_version() > 200, # compat200
"Higher API version than 200 not supported")
def testRestoreSingle(self):
"""Test restoring files one at at a time"""
MakeOutputDir()
for rfc in self.get_rfcs():
if rfc.rf.inc_rp.isincfile():
continue
log.Log("Comparing %a" % (rfc.rf.inc_rp.path, ), 5)
# compare all returns an empty list if everything is OK
self.assertFalse(rfc.compare_all())
def testBothLocal(self):
"""Test directory restore everything local"""
self.restore_dir_test(1, 1)
def testMirrorRemote(self):
"""Test directory restore mirror is remote"""
self.restore_dir_test(0, 1)
def testDestRemote(self):
"""Test directory restore destination is remote"""
self.restore_dir_test(1, 0)
def testBothRemote(self):
"""Test directory restore everything is remote"""
self.restore_dir_test(0, 0)
def restore_dir_test(self, mirror_local, dest_local):
"""Run whole dir tests
If any of the above tests don't work, try rerunning
makerestoretest3.
"""
Myrm(abs_output_dir)
restore3_dir = os.path.join(old_test_dir, b"restoretest3")
target_rp = rpath.RPath(Globals.local_connection, abs_output_dir)
inc1_rp = rpath.RPath(Globals.local_connection,
os.path.join(old_test_dir, b"increment1"))
inc2_rp = rpath.RPath(Globals.local_connection,
os.path.join(old_test_dir, b"increment2"))
inc3_rp = rpath.RPath(Globals.local_connection,
os.path.join(old_test_dir, b"increment3"))
inc4_rp = rpath.RPath(Globals.local_connection,
os.path.join(old_test_dir, b"increment4"))
InternalRestore(mirror_local, dest_local, restore3_dir, abs_output_dir,
45000)
self.assertTrue(
compare_recursive(inc4_rp, target_rp))
InternalRestore(mirror_local, dest_local, restore3_dir, abs_output_dir,
35000)
self.assertTrue(
compare_recursive(inc3_rp, target_rp, compare_hardlinks=0))
InternalRestore(mirror_local, dest_local, restore3_dir, abs_output_dir,
25000)
self.assertTrue(
compare_recursive(inc2_rp, target_rp, compare_hardlinks=0))
InternalRestore(mirror_local, dest_local, restore3_dir, abs_output_dir,
5000)
self.assertTrue(
compare_recursive(inc1_rp, target_rp, compare_hardlinks=0))
def testRestoreNoincs(self):
"""Test restoring a directory with no increments, just mirror"""
Myrm(abs_output_dir)
InternalRestore(
1, 1, os.path.join(old_test_dir, b'restoretest5', b'regular_file'),
abs_output_dir, 10000)
self.assertTrue(os.lstat(abs_output_dir))
if __name__ == "__main__":
unittest.main()
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