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import os, unittest, time
from commontest import *
from rdiff_backup import Globals, Hardlink, selection, rpath
Log.setverbosity(6)
class HardlinkTest(unittest.TestCase):
"""Test cases for Hard links"""
outputrp = rpath.RPath(Globals.local_connection, "testfiles/output")
hardlink_dir1 = rpath.RPath(Globals.local_connection,
"testfiles/hardlinks/dir1")
hardlink_dir1copy = rpath.RPath(Globals.local_connection,
"testfiles/hardlinks/dir1copy")
hardlink_dir2 = rpath.RPath(Globals.local_connection,
"testfiles/hardlinks/dir2")
hardlink_dir3 = rpath.RPath(Globals.local_connection,
"testfiles/hardlinks/dir3")
def reset_output(self):
"""Erase and recreate testfiles/output directory"""
os.system(MiscDir+'/myrm testfiles/output')
self.outputrp.mkdir()
def testEquality(self):
"""Test rorp_eq function in conjunction with CompareRecursive"""
assert CompareRecursive(self.hardlink_dir1, self.hardlink_dir1copy)
assert CompareRecursive(self.hardlink_dir1, self.hardlink_dir2,
compare_hardlinks = None)
assert not CompareRecursive(self.hardlink_dir1, self.hardlink_dir2,
compare_hardlinks = 1)
def testBuildingDict(self):
"""See if the partial inode dictionary is correct"""
Globals.preserve_hardlinks = 1
reset_hardlink_dicts()
for dsrp in selection.Select(self.hardlink_dir3).set_iter():
Hardlink.add_rorp(dsrp)
assert len(Hardlink._inode_index.keys()) == 3, \
Hardlink._inode_index
def testCompletedDict(self):
"""See if the hardlink dictionaries are built correctly"""
reset_hardlink_dicts()
for dsrp in selection.Select(self.hardlink_dir1).set_iter():
Hardlink.add_rorp(dsrp)
Hardlink.del_rorp(dsrp)
assert Hardlink._inode_index == {}, Hardlink._inode_index
reset_hardlink_dicts()
for dsrp in selection.Select(self.hardlink_dir2).set_iter():
Hardlink.add_rorp(dsrp)
Hardlink.del_rorp(dsrp)
assert Hardlink._inode_index == {}, Hardlink._inode_index
def testSeries(self):
"""Test hardlink system by backing up and restoring a few dirs"""
dirlist = ['testfiles/hardlinks/dir1',
'testfiles/hardlinks/dir2',
'testfiles/hardlinks/dir3',
'testfiles/various_file_types']
BackupRestoreSeries(None, None, dirlist, compare_hardlinks=1)
BackupRestoreSeries(1, 1, dirlist, compare_hardlinks=1)
def testInnerRestore(self):
"""Restore part of a dir, see if hard links preserved"""
MakeOutputDir()
output = rpath.RPath(Globals.local_connection,
"testfiles/output")
# Now set up directories out_hardlink1 and out_hardlink2
hlout1 = rpath.RPath(Globals.local_connection,
"testfiles/out_hardlink1")
if hlout1.lstat(): hlout1.delete()
hlout1.mkdir()
hlout1_sub = hlout1.append("subdir")
hlout1_sub.mkdir()
hl1_1 = hlout1_sub.append("hardlink1")
hl1_2 = hlout1_sub.append("hardlink2")
hl1_3 = hlout1_sub.append("hardlink3")
hl1_4 = hlout1_sub.append("hardlink4")
# 1 and 2 are hard linked, as are 3 and 4
hl1_1.touch()
hl1_2.hardlink(hl1_1.path)
hl1_3.touch()
hl1_4.hardlink(hl1_3.path)
hlout2 = rpath.RPath(Globals.local_connection,
"testfiles/out_hardlink2")
if hlout2.lstat(): hlout2.delete()
assert not os.system("cp -a testfiles/out_hardlink1 "
"testfiles/out_hardlink2")
hlout2_sub = hlout2.append("subdir")
hl2_1 = hlout2_sub.append("hardlink1")
hl2_2 = hlout2_sub.append("hardlink2")
hl2_3 = hlout2_sub.append("hardlink3")
hl2_4 = hlout2_sub.append("hardlink4")
# Now 2 and 3 are hard linked, also 1 and 4
rpath.copy_with_attribs(hl1_1, hl2_1)
rpath.copy_with_attribs(hl1_2, hl2_2)
hl2_3.delete()
hl2_3.hardlink(hl2_2.path)
hl2_4.delete()
hl2_4.hardlink(hl2_1.path)
rpath.copy_attribs(hlout1_sub, hlout2_sub)
# Now try backing up twice, making sure hard links are preserved
InternalBackup(1, 1, hlout1.path, output.path)
out_subdir = output.append("subdir")
assert out_subdir.append("hardlink1").getinode() == \
out_subdir.append("hardlink2").getinode()
assert out_subdir.append("hardlink3").getinode() == \
out_subdir.append("hardlink4").getinode()
assert out_subdir.append("hardlink1").getinode() != \
out_subdir.append("hardlink3").getinode()
time.sleep(1)
InternalBackup(1, 1, hlout2.path, output.path)
out_subdir.setdata()
assert out_subdir.append("hardlink1").getinode() == \
out_subdir.append("hardlink4").getinode()
assert out_subdir.append("hardlink2").getinode() == \
out_subdir.append("hardlink3").getinode()
assert out_subdir.append("hardlink1").getinode() != \
out_subdir.append("hardlink2").getinode()
# Now try restoring, still checking hard links.
out2 = rpath.RPath(Globals.local_connection, "testfiles/out2")
hlout1 = out2.append("hardlink1")
hlout2 = out2.append("hardlink2")
hlout3 = out2.append("hardlink3")
hlout4 = out2.append("hardlink4")
if out2.lstat(): out2.delete()
InternalRestore(1, 1, "testfiles/output/subdir", "testfiles/out2", 1)
out2.setdata()
for rp in [hlout1, hlout2, hlout3, hlout4]: rp.setdata()
assert hlout1.getinode() == hlout2.getinode()
assert hlout3.getinode() == hlout4.getinode()
assert hlout1.getinode() != hlout3.getinode()
if out2.lstat(): out2.delete()
InternalRestore(1, 1, "testfiles/output/subdir", "testfiles/out2",
int(time.time()))
out2.setdata()
for rp in [hlout1, hlout2, hlout3, hlout4]: rp.setdata()
assert hlout1.getinode() == hlout4.getinode(), \
"%s %s" % (hlout1.path, hlout4.path)
assert hlout2.getinode() == hlout3.getinode()
assert hlout1.getinode() != hlout2.getinode()
if __name__ == "__main__": unittest.main()
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