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import unittest, StringIO
from rdiff_backup import hash
from commontest import *
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, "testfiles")
def test_basic(self):
"""Compare sha1sum of a few strings"""
sfile = StringIO.StringIO(self.s1)
fw = hash.FileWrapper(sfile)
assert fw.read() == self.s1
report = fw.close()
assert report.sha1_digest == self.s1_hash, report.sha1_digest
sfile2 = StringIO.StringIO(self.s1)
fw2 = hash.FileWrapper(sfile2)
assert fw2.read(5) == self.s1[:5]
assert fw2.read() == self.s1[5:]
report2 = fw2.close()
assert report2.sha1_digest == self.s1_hash, report2.sha1_digest
def make_dirs(self):
"""Make two input directories"""
d1 = self.root_rp.append("hashtest1")
re_init_dir(d1)
d2 = self.root_rp.append("hashtest2")
re_init_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 = metadata.RorpExtractor(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
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("testfiles/output")
rdiff_backup(1, 1, in_rp1.path, "testfiles/output", 10000, "-v3")
meta_prefix = rpath.RPath(Globals.local_connection,
"testfiles/output/rdiff-backup-data/mirror_metadata")
incs = restore.get_inclist(meta_prefix)
assert len(incs) == 1
metadata_rp = incs[0]
hashlist = self.extract_hashs(metadata_rp)
assert hashlist == hashlist1, (hashlist1, hashlist)
rdiff_backup(1, 1, in_rp2.path, "testfiles/output", 20000, "-v3")
incs = restore.get_inclist(meta_prefix)
assert len(incs) == 2
if incs[0].getinctype() == 'snapshot': inc = incs[0]
else: inc = incs[1]
hashlist = self.extract_hashs(inc)
assert hashlist == hashlist2, (hashlist2, hashlist)
def test_rorpiter_xfer(self):
"""Test if hashes are transferred in files, rorpiter"""
#log.Log.setverbosity(5)
Globals.security_level = 'override'
conn = SetConnections.init_connection('python ./server.py .')
assert conn.reval("lambda x: x+1", 4) == 5 # connection sanity check
fp = hash.FileWrapper(StringIO.StringIO(self.s1))
conn.Globals.set('tmp_file', fp)
fp_remote = conn.Globals.get('tmp_file')
assert fp_remote.read() == self.s1
assert 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 = remote_iter.next()
fp = rorp1.open('rb')
assert fp.read() == self.s1, fp.read()
ret_val = fp.close()
assert isinstance(ret_val, hash.Report), ret_val
assert ret_val.sha1_digest == self.s1_hash
rorp2 = remote_iter.next()
fp2 = rorp1.open('rb')
assert fp2.close().sha1_digest == self.s2_hash
conn.quit()
from rdiff_backup import rpath, regress, restore, metadata, log, Globals
if __name__ == "__main__": unittest.main()
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