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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-27 16:48:09 +00:00
trezor-firmware/core/tests/test_trezor.utils.py

29 lines
834 B
Python

from common import *
from trezor import utils
class TestUtils(unittest.TestCase):
def test_chunks(self):
c = list(utils.chunks(range(100), 7))
for i in range(15):
# need to check start, stop, step attrs until https://github.com/micropython/micropython/issues/2600 is resolved
self.assertEqual(c[i].start, i * 7)
self.assertEqual(c[i].stop, 100 if (i == 14) else (i + 1) * 7)
self.assertEqual(c[i].step, 1)
def test_format_amount(self):
VECTORS = [
(123456, 3, "123.456"),
(4242, 7, "0.0004242"),
(-123456, 3, "-123.456"),
(-4242, 7, "-0.0004242"),
]
for v in VECTORS:
self.assertEqual(utils.format_amount(v[0], v[1]), v[2])
if __name__ == '__main__':
unittest.main()