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#!/usr/bin/env python3
import unittest
import io
import sys
import os
from commontest import abs_test_dir, re_init_rpath_dir, Myrm, \
abs_output_dir, rdiff_backup, abs_testing_dir, MakeOutputDir
from rdiff_backup import hash, rpath, Globals, Security, SetConnections
from rdiffbackup.meta import stdattr
class HashTest(unittest.TestCase):
"""Test the hash module"""
s1 = "Hello, world!"
s1_hash = "943a702d06f34599aee1f8da8ef9f7296031d699"
s2 = "The quick brown dog jumped over the lazy fox"
s2_hash = "eab21fb1a18b408909bae552b847f6b13f370f62"
s3 = "foobar"
s3_hash = "8843d7f92416211de9ebb963ff4ce28125932878"
root_rp = rpath.RPath(Globals.local_connection, abs_test_dir)
def test_basic(self):
"""Compare sha1sum of a few strings"""
b1 = self.s1.encode()
sfile = io.BytesIO(b1)
fw = hash.FileWrapper(sfile)
self.assertEqual(fw.read(), b1)
report = fw.close()
self.assertEqual(report.sha1_digest, self.s1_hash)
sfile2 = io.BytesIO(b1)
fw2 = hash.FileWrapper(sfile2)
self.assertEqual(fw2.read(5), b1[:5])
self.assertEqual(fw2.read(), b1[5:])
report2 = fw2.close()
self.assertEqual(report2.sha1_digest, self.s1_hash)
def make_dirs(self):
"""Make two input directories"""
d1 = self.root_rp.append("hashtest1")
re_init_rpath_dir(d1)
d2 = self.root_rp.append("hashtest2")
re_init_rpath_dir(d2)
d1f1 = d1.append("file1")
d1f1.write_string(self.s1)
d1f1l = d1.append("file1_linked")
d1f1l.hardlink(d1f1.path)
d1f2 = d1.append("file2")
d1f2.write_string(self.s2)
d1f2l = d1.append("file2_linked")
d1f2l.hardlink(d1f2.path)
d1_hashlist = [
None, self.s1_hash, self.s1_hash, self.s2_hash, self.s2_hash
]
d2f1 = d2.append("file1")
rpath.copy_with_attribs(d1f1, d2f1)
d2f1l = d2.append("file1_linked")
d2f1l.write_string(self.s3)
d1f2 = d2.append("file2")
d1f2.mkdir()
d2_hashlist = [None, self.s1_hash, self.s3_hash, None]
return (d1, d1_hashlist, d2, d2_hashlist)
def extract_hashs(self, metadata_rp):
"""Return list of hashes in the metadata_rp"""
result = []
comp = metadata_rp.isinccompressed()
extractor = stdattr.AttrExtractor(metadata_rp.open("r", comp))
for rorp in extractor.iterate():
if rorp.has_sha1():
result.append(rorp.get_sha1())
else:
result.append(None)
return result
@unittest.skip(
"Skipping until hash of hard links is fixed, see issue #23.")
def test_session(self):
"""Run actual sessions and make sure proper hashes recorded
There are a few code paths here we need to test: creating
ordinary files, updating ordinary files with diffs, hard
linking, and keeping files the same.
"""
in_rp1, hashlist1, in_rp2, hashlist2 = self.make_dirs()
Myrm(abs_output_dir)
rdiff_backup(1, 1, in_rp1.path, abs_output_dir, 10000)
meta_prefix = rpath.RPath(
Globals.local_connection,
os.path.join(abs_output_dir, b"rdiff-backup-data",
b"mirror_metadata"))
incs = meta_prefix.get_incfiles_list()
self.assertEqual(len(incs), 1)
metadata_rp = incs[0]
hashlist = self.extract_hashs(metadata_rp)
self.assertEqual(hashlist, hashlist1)
rdiff_backup(1, 1, in_rp2.path, abs_output_dir, 20000)
incs = meta_prefix.get_incfiles_list()
self.assertEqual(len(incs), 2)
if incs[0].getinctype() == 'snapshot':
inc = incs[0]
else:
inc = incs[1]
hashlist = self.extract_hashs(inc)
self.assertEqual(hashlist, hashlist2)
def test_rorpiter_xfer(self):
"""Test if hashes are transferred in files, rorpiter"""
Security._security_level = "override"
conn = SetConnections._init_connection(
b'%b %b/server.py' %
(os.fsencode(sys.executable), abs_testing_dir))
# make a connection sanity check
self.assertEqual(conn.reval("lambda x: x+1", 4), 5)
fp = hash.FileWrapper(io.BytesIO(self.s1.encode()))
conn.Globals.set('tmp_file', fp)
fp_remote = conn.Globals.get('tmp_file')
self.assertEqual(fp_remote.read(), self.s1.encode())
self.assertEqual(fp_remote.close().sha1_digest, self.s1_hash)
# Tested xfer of file, now test xfer of files in rorpiter
root = MakeOutputDir()
rp1 = root.append('s1')
rp1.write_string(self.s1)
rp2 = root.append('s2')
rp2.write_string(self.s2)
rp1.setfile(hash.FileWrapper(rp1.open('rb')))
rp2.setfile(hash.FileWrapper(rp2.open('rb')))
rpiter = iter([rp1, rp2])
conn.Globals.set('tmp_conn_iter', rpiter)
remote_iter = conn.Globals.get('tmp_conn_iter')
rorp1 = next(remote_iter)
fp = hash.FileWrapper(rorp1.open('rb'))
read_s1 = fp.read().decode()
self.assertEqual(read_s1, self.s1)
ret_val = fp.close()
self.assertIsInstance(ret_val, hash.Report)
self.assertEqual(ret_val.sha1_digest, self.s1_hash)
rorp2 = next(remote_iter)
fp2 = hash.FileWrapper(rorp2.open('rb'))
read_s2 = fp2.read().decode()
self.assertEqual(read_s2, self.s2)
self.assertEqual(fp2.close().sha1_digest, self.s2_hash)
conn.quit()
if __name__ == "__main__":
unittest.main()
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