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import unittest, random
from commontest import *
from rdiff_backup import Globals, Rdiff, selection, log, rpath
Log.setverbosity(7)
def MakeRandomFile(path):
"""Writes a random file of length between 10000 and 100000"""
fp = open(path, "w")
randseq = []
for i in xrange(random.randrange(5000, 30000)):
randseq.append(chr(random.randrange(256)))
fp.write("".join(randseq))
fp.close()
class RdiffTest(unittest.TestCase):
"""Test rdiff"""
lc = Globals.local_connection
basis = rpath.RPath(lc, "testfiles/basis")
new = rpath.RPath(lc, "testfiles/new")
output = rpath.RPath(lc, "testfiles/output")
delta = rpath.RPath(lc, "testfiles/delta")
signature = rpath.RPath(lc, "testfiles/signature")
def testRdiffSig(self):
"""Test making rdiff signatures"""
sig = rpath.RPath(self.lc,
"testfiles/various_file_types/regular_file.sig")
sigfp = sig.open("r")
rfsig = Rdiff.get_signature(RPath(self.lc, "testfiles/various_file_types/regular_file"), 2048)
assert rpath.cmpfileobj(sigfp, rfsig)
sigfp.close()
rfsig.close()
def testRdiffDeltaPatch(self):
"""Test making deltas and patching files"""
rplist = [self.basis, self.new, self.delta,
self.signature, self.output]
for rp in rplist:
if rp.lstat(): rp.delete()
for i in range(2):
MakeRandomFile(self.basis.path)
MakeRandomFile(self.new.path)
map(rpath.RPath.setdata, [self.basis, self.new])
assert self.basis.lstat() and self.new.lstat()
self.signature.write_from_fileobj(Rdiff.get_signature(self.basis))
assert self.signature.lstat()
self.delta.write_from_fileobj(Rdiff.get_delta_sigrp(self.signature,
self.new))
assert self.delta.lstat()
Rdiff.patch_local(self.basis, self.delta, self.output)
assert rpath.cmp(self.new, self.output)
map(rpath.RPath.delete, rplist)
def testRdiffDeltaPatchGzip(self):
"""Same as above by try gzipping patches"""
rplist = [self.basis, self.new, self.delta,
self.signature, self.output]
for rp in rplist:
if rp.lstat(): rp.delete()
MakeRandomFile(self.basis.path)
MakeRandomFile(self.new.path)
map(rpath.RPath.setdata, [self.basis, self.new])
assert self.basis.lstat() and self.new.lstat()
self.signature.write_from_fileobj(Rdiff.get_signature(self.basis))
assert self.signature.lstat()
self.delta.write_from_fileobj(Rdiff.get_delta_sigrp(self.signature,
self.new))
assert self.delta.lstat()
os.system("gzip " + self.delta.path)
os.system("mv %s %s" % (self.delta.path + ".gz", self.delta.path))
self.delta.setdata()
Rdiff.patch_local(self.basis, self.delta, self.output,
delta_compressed = 1)
assert rpath.cmp(self.new, self.output)
map(rpath.RPath.delete, rplist)
def testWriteDelta(self):
"""Test write delta feature of rdiff"""
if self.delta.lstat(): self.delta.delete()
rplist = [self.basis, self.new, self.delta, self.output]
MakeRandomFile(self.basis.path)
MakeRandomFile(self.new.path)
map(rpath.RPath.setdata, [self.basis, self.new])
assert self.basis.lstat() and self.new.lstat()
Rdiff.write_delta(self.basis, self.new, self.delta)
assert self.delta.lstat()
Rdiff.patch_local(self.basis, self.delta, self.output)
assert rpath.cmp(self.new, self.output)
map(rpath.RPath.delete, rplist)
def testWriteDeltaGzip(self):
"""Same as above but delta is written gzipped"""
rplist = [self.basis, self.new, self.delta, self.output]
MakeRandomFile(self.basis.path)
MakeRandomFile(self.new.path)
map(rpath.RPath.setdata, [self.basis, self.new])
assert self.basis.lstat() and self.new.lstat()
delta_gz = rpath.RPath(self.delta.conn, self.delta.path + ".gz")
if delta_gz.lstat(): delta_gz.delete()
Rdiff.write_delta(self.basis, self.new, delta_gz, 1)
assert delta_gz.lstat()
os.system("gunzip " + delta_gz.path)
delta_gz.setdata()
self.delta.setdata()
Rdiff.patch_local(self.basis, self.delta, self.output)
assert rpath.cmp(self.new, self.output)
map(rpath.RPath.delete, rplist)
def testRdiffRename(self):
"""Rdiff replacing original file with patch outfile"""
rplist = [self.basis, self.new, self.delta, self.signature]
for rp in rplist:
if rp.lstat(): rp.delete()
MakeRandomFile(self.basis.path)
MakeRandomFile(self.new.path)
map(rpath.RPath.setdata, [self.basis, self.new])
assert self.basis.lstat() and self.new.lstat()
self.signature.write_from_fileobj(Rdiff.get_signature(self.basis))
assert self.signature.lstat()
self.delta.write_from_fileobj(Rdiff.get_delta_sigrp(self.signature,
self.new))
assert self.delta.lstat()
Rdiff.patch_local(self.basis, self.delta)
assert rpath.cmp(self.basis, self.new)
map(rpath.RPath.delete, rplist)
def testCopy(self):
"""Using rdiff to copy two files"""
rplist = [self.basis, self.new]
for rp in rplist:
if rp.lstat(): rp.delete()
MakeRandomFile(self.basis.path)
MakeRandomFile(self.new.path)
map(rpath.RPath.setdata, rplist)
Rdiff.copy_local(self.basis, self.new)
assert rpath.cmp(self.basis, self.new)
map(rpath.RPath.delete, rplist)
if __name__ == '__main__':
unittest.main()
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