def test_bad_file_io(self):
if os.name == 'nt':
raise SkipTest('not implemented on Windows')
path = '/proc/self/mem'
try:
os.stat(path)
except OSError as exc:
raise SkipTest('{exc.filename}: {exc.strerror}'.format(exc=exc))
with open('/proc/self/mem') as fp:
with assert_raises(IOError) as ecm:
Expression.from_stream(fp)
assert_in(ecm.exception.errno, (errno.EIO, errno.EFAULT))
def test_bad_file_io(self):
if os.name == 'nt':
raise SkipTest('not implemented on Windows')
path = '/proc/self/mem'
try:
os.stat(path)
except OSError as exc:
raise SkipTest('{exc.filename}: {exc.strerror}'.format(exc=exc))
with open('/proc/self/mem') as fp:
with assert_raises(IOError) as ecm:
Expression.from_stream(fp)
assert_in(
ecm.exception.errno,
(errno.EIO, errno.EFAULT)
)
def read():
return Expression.from_stream(fp)
def test_bad_unicode_io(self):
fp = StringIO(chr(0xD800))
with assert_raises(UnicodeEncodeError):
Expression.from_stream(fp)
def test_bad_io(self):
with assert_raises_str(AttributeError, "'int' object has no attribute 'read'"):
Expression.from_stream(42)
def read():
return Expression.from_stream(fp)
def test_bad_unicode_io(self):
fp = StringIO(chr(0xD800))
with assert_raises(UnicodeEncodeError):
Expression.from_stream(fp)
def test_bad_io(self):
with assert_raises_str(AttributeError,
"'int' object has no attribute 'read'"):
Expression.from_stream(42)