def test_setstripe_existing_path( testdir ):
"""
Setstripe fails only if attempting to change stripe of an existing file
"""
genr = ( f.path for f in testdir.files if f.typ == 'f' )
path = genr.next()
for c in [ None, 2 ]:
for s in [ None, 1048576 ]:
for i in [ None, 1 ]:
with pytest.raises( Run_Cmd_Error ) as einfo:
pylut.setstripeinfo( path, count=c, size=s, offset=i )
assert einfo.value.code == 17
assert 'stripe already set' in einfo.value.reason
def test_setstripe_existing_path(testdir):
"""
Setstripe fails only if attempting to change stripe of an existing file
"""
genr = (f.path for f in testdir.files if f.typ == 'f')
path = genr.next()
for c in [None, 2]:
for s in [None, 1048576]:
for i in [None, 1]:
with pytest.raises(Run_Cmd_Error) as einfo:
pylut.setstripeinfo(path, count=c, size=s, offset=i)
assert einfo.value.code == 17
assert 'stripe already set' in einfo.value.reason
def test_setstripe_files( testdir ):
"""
Verify resulting files have the correct stripe information
"""
genr = ( f.path for f in testdir.files if f.typ == 'f' )
for c in [ 1, 2 ]:
for s in [ 524288, 1048576, 2097152 ]:
for i in [ -1, 1, 2 ]:
newpath = '{0}xyz'.format( genr.next() )
pylut.setstripeinfo( newpath, count=c, size=s, offset=i )
sinfo = pylut.getstripeinfo( newpath )
assert sinfo.count == c
assert sinfo.size == s
if i > 0:
assert sinfo.offset == i
else:
assert sinfo.offset >= 0
def test_setstripe_files(testdir):
"""
Verify resulting files have the correct stripe information
"""
genr = (f.path for f in testdir.files if f.typ == 'f')
for c in [1, 2]:
for s in [524288, 1048576, 2097152]:
for i in [-1, 1, 2]:
newpath = '{0}xyz'.format(genr.next())
pylut.setstripeinfo(newpath, count=c, size=s, offset=i)
sinfo = pylut.getstripeinfo(newpath)
assert sinfo.count == c
assert sinfo.size == s
if i > 0:
assert sinfo.offset == i
else:
assert sinfo.offset >= 0
def test_setstripe_dirs( testdir ):
"""
Verify dirs get updated stripe settings
"""
dirs = [ d.path for d in testdir.directories ]
while len(dirs) < 18:
dirs = dirs*2
counter = 0
for c in [ 1, 2 ]:
for s in [ 524288, 1048576, 2097152 ]:
for i in [ -1, 1, 2 ]:
path = dirs[ counter ]
pylut.setstripeinfo( path, count=c, size=s, offset=i )
sinfo = pylut.getstripeinfo( path )
assert sinfo.count == c
assert sinfo.size == s
assert sinfo.offset == i
counter+=1
def test_setstripe_dirs(testdir):
"""
Verify dirs get updated stripe settings
"""
dirs = [d.path for d in testdir.directories]
while len(dirs) < 18:
dirs = dirs * 2
counter = 0
for c in [1, 2]:
for s in [524288, 1048576, 2097152]:
for i in [-1, 1, 2]:
path = dirs[counter]
pylut.setstripeinfo(path, count=c, size=s, offset=i)
sinfo = pylut.getstripeinfo(path)
assert sinfo.count == c
assert sinfo.size == s
assert sinfo.offset == i
counter += 1
def _mkregfile( f, size=1024, stripeinfo=None ):
"""
Overwrite contents of file with random data
If stripeinfo is provided, first attempt to create file with given stripeinfo
f must be an instance of fsitem
"""
fn = str( f )
if stripeinfo:
if f.exists():
os.unlink( fn )
params = dict( count=None, size=None )
for k in params:
v = getatts( stripeinfo, k )
if v > 0:
params[ k ] = v
pylut.setstripeinfo( fn, **params )
if size < 1:
return _touch( f )
if size > 1048576:
raise UserWarning( 'size too big for mkfile {0}'.format( size ) )
with open( fn, 'wb' ) as fh:
fh.write( os.urandom( size ) )
def _mkregfile(f, size=1024, stripeinfo=None):
"""
Overwrite contents of file with random data
If stripeinfo is provided, first attempt to create file with given stripeinfo
f must be an instance of fsitem
"""
fn = str(f)
if stripeinfo:
if f.exists():
os.unlink(fn)
params = dict(count=None, size=None)
for k in params:
v = getatts(stripeinfo, k)
if v > 0:
params[k] = v
pylut.setstripeinfo(fn, **params)
if size < 1:
return _touch(f)
if size > 1048576:
raise UserWarning('size too big for mkfile {0}'.format(size))
with open(fn, 'wb') as fh:
fh.write(os.urandom(size))
