from nose.tools import eq_ as eq
import errno
import os
import shutil
import stat
import sys
def mkdir(*a, **kw):
try:
os.mkdir(*a, **kw)
except OSError, e:
if e.errno == errno.EEXIST:
pass
else:
raise
def maketemp():
tmp = os.path.join(os.path.dirname(__file__), 'tmp')
mkdir(tmp)
caller = sys._getframe(1)
name = '%s.%s' % (
sys._getframe(1).f_globals['__name__'],
caller.f_code.co_name,
)
tmp = os.path.join(tmp, name)
try:
shutil.rmtree(tmp)
except OSError, e:
if e.errno == errno.ENOENT:
pass
else:
raise
os.mkdir(tmp)
return tmp
def writeFile(path, content):
tmp = '%s.tmp' % path
f = file(tmp, 'w')
try:
f.write(content)
finally:
f.close()
os.rename(tmp, path)
def readFile(path):
f = file(path)
try:
data = f.read()
finally:
f.close()
return data
def assert_raises(excClass, callableObj, *args, **kwargs):
"""
Like unittest.TestCase.assertRaises, but returns the exception.
"""
try:
callableObj(*args, **kwargs)
except excClass, e:
return e
else:
if hasattr(excClass,'__name__'): excName = excClass.__name__
else: excName = str(excClass)
raise AssertionError("%s not raised" % excName)
def check_mode(path, mode, is_file=None, is_dir=None):
st = os.stat(path)
if is_dir:
assert stat.S_ISDIR(st.st_mode)
if is_file:
assert stat.S_ISREG(st.st_mode)
got = stat.S_IMODE(st.st_mode)
eq(got, mode, 'File mode %04o!=%04o for %s' % (got, mode, path))
