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from __future__ import absolute_import, print_function
import os, time
from wvpytest import *
from bup import index, metadata
from bup.compat import fsencode
from bup.helpers import resolve_parent
import bup.xstat as xstat
lib_t_dir = os.path.dirname(fsencode(__file__))
def test_index_basic():
cd = os.path.realpath(os.path.join(lib_t_dir, b'../'))
WVPASS(cd)
sd = os.path.realpath(cd + b'/sampledata')
WVPASSEQ(resolve_parent(cd + b'/sampledata'), sd)
WVPASSEQ(os.path.realpath(cd + b'/sampledata/x'), sd + b'/x')
WVPASSEQ(os.path.realpath(cd + b'/sampledata/var/abs-symlink'),
sd + b'/var/abs-symlink-target')
WVPASSEQ(resolve_parent(cd + b'/sampledata/var/abs-symlink'),
sd + b'/var/abs-symlink')
def test_index_writer(tmpdir):
orig_cwd = os.getcwd()
try:
os.chdir(tmpdir)
ds = xstat.stat(b'.')
fs = xstat.stat(lib_t_dir + b'/test_index.py')
tmax = (time.time() - 1) * 10**9
with index.MetaStoreWriter(b'index.meta.tmp') as ms, \
index.Writer(b'index.tmp', ms, tmax) as w:
w.add(b'/var/tmp/sporky', fs, 0)
w.add(b'/etc/passwd', fs, 0)
w.add(b'/etc/', ds, 0)
w.add(b'/', ds, 0)
w.close()
finally:
os.chdir(orig_cwd)
def dump(m):
for e in list(m):
print('%s%s %s' % (e.is_valid() and ' ' or 'M',
e.is_fake() and 'F' or ' ',
e.name))
def fake_validate(*l):
for i in l:
for e in i:
e.validate(0o100644, index.FAKE_SHA)
e.repack()
def eget(l, ename):
for e in l:
if e.name == ename:
return e
return None
def test_index_negative_timestamps(tmpdir):
# Makes 'foo' exist
foopath = tmpdir + b'/foo'
f = open(foopath, 'wb')
f.close()
# Dec 31, 1969
os.utime(foopath, (-86400, -86400))
ns_per_sec = 10**9
tmax = (time.time() - 1) * ns_per_sec
e = index.BlankNewEntry(foopath, 0, tmax)
e.update_from_stat(xstat.stat(foopath), 0)
WVPASS(e.packed())
# Jun 10, 1893
os.utime(foopath, (-0x80000000, -0x80000000))
e = index.BlankNewEntry(foopath, 0, tmax)
e.update_from_stat(xstat.stat(foopath), 0)
WVPASS(e.packed())
def test_index_dirty(tmpdir):
orig_cwd = os.getcwd()
try:
os.chdir(tmpdir)
default_meta = metadata.Metadata()
with index.MetaStoreWriter(b'index.meta.tmp') as ms1, \
index.MetaStoreWriter(b'index2.meta.tmp') as ms2, \
index.MetaStoreWriter(b'index3.meta.tmp') as ms3:
meta_ofs1 = ms1.store(default_meta)
meta_ofs2 = ms2.store(default_meta)
meta_ofs3 = ms3.store(default_meta)
ds = xstat.stat(lib_t_dir)
fs = xstat.stat(lib_t_dir + b'/test_index.py')
tmax = (time.time() - 1) * 10**9
with index.Writer(b'index.tmp', ms1, tmax) as w1, \
index.Writer(b'index2.tmp', ms2, tmax) as w2, \
index.Writer(b'index3.tmp', ms3, tmax) as w3:
w1.add(b'/a/b/x', fs, meta_ofs1)
w1.add(b'/a/b/c', fs, meta_ofs1)
w1.add(b'/a/b/', ds, meta_ofs1)
w1.add(b'/a/', ds, meta_ofs1)
#w1.close()
WVPASS()
w2.add(b'/a/b/n/2', fs, meta_ofs2)
#w2.close()
WVPASS()
w3.add(b'/a/c/n/3', fs, meta_ofs3)
#w3.close()
WVPASS()
with w1.new_reader() as r1, \
w2.new_reader() as r2, \
w3.new_reader() as r3:
WVPASS()
r1all = [e.name for e in r1]
WVPASSEQ(r1all,
[b'/a/b/x', b'/a/b/c', b'/a/b/', b'/a/', b'/'])
r2all = [e.name for e in r2]
WVPASSEQ(r2all,
[b'/a/b/n/2', b'/a/b/n/', b'/a/b/', b'/a/', b'/'])
r3all = [e.name for e in r3]
WVPASSEQ(r3all,
[b'/a/c/n/3', b'/a/c/n/', b'/a/c/', b'/a/', b'/'])
all = [e.name for e in index.merge(r2, r1, r3)]
WVPASSEQ(all,
[b'/a/c/n/3', b'/a/c/n/', b'/a/c/',
b'/a/b/x', b'/a/b/n/2', b'/a/b/n/', b'/a/b/c',
b'/a/b/', b'/a/', b'/'])
fake_validate(r1)
dump(r1)
print([hex(e.flags) for e in r1])
WVPASSEQ([e.name for e in r1 if e.is_valid()], r1all)
WVPASSEQ([e.name for e in r1 if not e.is_valid()], [])
WVPASSEQ([e.name for e in index.merge(r2, r1, r3) if not e.is_valid()],
[b'/a/c/n/3', b'/a/c/n/', b'/a/c/',
b'/a/b/n/2', b'/a/b/n/', b'/a/b/', b'/a/', b'/'])
expect_invalid = [b'/'] + r2all + r3all
expect_real = (set(r1all) - set(r2all) - set(r3all)) \
| set([b'/a/b/n/2', b'/a/c/n/3'])
dump(index.merge(r2, r1, r3))
for e in index.merge(r2, r1, r3):
print(e.name, hex(e.flags), e.ctime)
eiv = e.name in expect_invalid
er = e.name in expect_real
WVPASSEQ(eiv, not e.is_valid())
WVPASSEQ(er, e.is_real())
fake_validate(r2, r3)
dump(index.merge(r2, r1, r3))
WVPASSEQ([e.name for e in index.merge(r2, r1, r3) if not e.is_valid()], [])
e = eget(index.merge(r2, r1, r3), b'/a/b/c')
e.invalidate()
e.repack()
dump(index.merge(r2, r1, r3))
WVPASSEQ([e.name for e in index.merge(r2, r1, r3) if not e.is_valid()],
[b'/a/b/c', b'/a/b/', b'/a/', b'/'])
finally:
os.chdir(orig_cwd)
|
