def test_write_array():
c = Channel()
data = numpy.array([1, 2, 3], dtype=numpy.uint8)
result = c.write(data)
expected = data.sum()
assert_equal(result, expected)
def test_write_list():
c = Channel()
data = [1, 2, 3]
result = c.write(data)
expected = sum(data)
assert_equal(result, expected)
def test_write_str():
c = Channel()
result = c.write('ABC')
expected = 65 + 66 + 67
assert_equal(result, expected)
