def test_isatty(self):
"""Make sure isatty() is always false."""
s = utils.FakeIOStream(self._write_func)
assert not s.isatty()
def test_write(self):
"""Make sure writing works."""
s = utils.FakeIOStream(self._write_func)
assert s.write('echo') == 'echo'
def test_flush(self):
"""Smoke-test to see if flushing works."""
s = utils.FakeIOStream(self._write_func)
s.flush()