def test_with_detached_io_buffer(self):
with io.StringIO() as stream:
wrapper = io.TextIOWrapper(stream, 'UTF-8')
if sys.version_info >= (2, 7):
wrapper.detach()
exc_type = ValueError if PYTHON else AttributeError
else:
wrapper.buffer = None
exc_type = AttributeError
assert_raises(exc_type, wrapper.isatty)
assert_false(isatty(wrapper))
def test_with_detached_io_buffer(self):
with io.StringIO() as stream:
wrapper = io.TextIOWrapper(stream, 'UTF-8')
if sys.version_info >= (2, 7):
wrapper.detach()
exc_type = ValueError if PYTHON else AttributeError
else:
wrapper.buffer = None
exc_type = AttributeError
assert_raises(exc_type, wrapper.isatty)
assert_false(isatty(wrapper))
def test_isatty_with_detached_io_buffer(self):
# make sure that isatty() checks for detached io stream buffers
# (otherwise it would raise an Exception)
with io.StringIO() as stream:
wrapper = io.TextIOWrapper(stream)
if sys.version_info >= (2, 7):
wrapper.detach() #==> wrapper.buffer is None
# Jython 2.7 behaves like CPython 2.6 in that case
exc_type = ValueError if not JYTHON else AttributeError
else: # no .detach and different behaviour if .buffer is None
wrapper.buffer = None
exc_type = AttributeError
assert_raises(exc_type, wrapper.isatty)
assert_false(isatty(wrapper))
def test_with_io(self):
with io.StringIO() as stream:
assert_false(isatty(stream))
wrapper = io.TextIOWrapper(stream, 'UTF-8')
assert_false(isatty(wrapper))
def test_with_stdout(self):
# file class based in PY2, io module based in PY3
assert_equals(isatty(sys.__stdout__), sys.__stdout__.isatty())
def test_isatty_with_io(self):
with io.StringIO() as stream:
assert_false(isatty(stream))
wrapper = io.TextIOWrapper(stream)
assert_false(isatty(wrapper))
def test_isatty_with_stdout(self):
# file class based in PY2, io module based in PY3
assert_equals(isatty(sys.__stdout__), sys.__stdout__.isatty())
