def test_load_count():
stream = io.StringIO()
a = TextStream(stream)
a.write_body(3)
stream.seek(0)
assert a.load_body() == 3
def test_write_body():
stream = io.StringIO()
a = TextStream(stream)
a.write_body(3)
stream.seek(0)
assert stream.readline() == "3\n"
