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trezor-firmware/core/tests/test_trezor.io.sdcard.py

52 lines
1.2 KiB
Python

from common import *
from trezor import io
class TestTrezorIoSdcard(unittest.TestCase):
def test_start(self):
sd = io.SDCard()
self.assertTrue(sd.present())
def test_power(self):
sd = io.SDCard()
x = bytearray(8 * 512)
self.assertEqual(sd.capacity(), 0)
with self.assertRaises(OSError):
sd.read(0, x)
sd.power(True)
self.assertTrue(sd.capacity() > 0)
sd.read(0, x)
sd.power(False)
self.assertEqual(sd.capacity(), 0)
with self.assertRaises(OSError):
sd.read(0, x)
def test_read(self):
sd = io.SDCard()
x = bytearray(8 * 512)
sd.power(True)
sd.read(0, x)
sd.power(False)
with self.assertRaises(OSError):
sd.read(0, x)
def test_read_write(self):
sd = io.SDCard()
r = bytearray(8 * 512)
w0 = bytearray(b'0' * (8 * 512))
w1 = bytearray(b'1' * (8 * 512))
sd.power(True)
sd.write(0, w0)
sd.read(0, r)
self.assertEqual(r, w0)
sd.write(0, w1)
sd.read(0, r)
self.assertEqual(r, w1)
sd.power(False)
if __name__ == '__main__':
unittest.main()