mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-22 23:48:12 +00:00
91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
from common import *
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from trezor import io, sdcard
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fatfs = io.fatfs
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class TestTrezorSdcard(unittest.TestCase):
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def test_power(self):
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# sdcard.capacity() will return 0 if the card is not powered,
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# non-zero value otherwise
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self.assertEqual(sdcard.capacity(), 0)
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with sdcard.filesystem(mounted=False):
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self.assertTrue(sdcard.capacity() > 0)
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self.assertEqual(sdcard.capacity(), 0)
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def test_nomount(self):
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with sdcard.filesystem(mounted=False):
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self.assertFalse(fatfs.is_mounted())
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def test_mount(self):
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# set up a filesystem first
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with sdcard.filesystem(mounted=False):
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fatfs.mkfs()
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with sdcard.filesystem():
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self.assertTrue(fatfs.is_mounted())
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self.assertFalse(fatfs.is_mounted())
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def test_nesting(self):
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# set up a filesystem first
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with sdcard.filesystem(mounted=False):
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fatfs.mkfs()
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self.assertEqual(sdcard.capacity(), 0)
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with sdcard.filesystem():
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self.assertTrue(sdcard.capacity() > 0)
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self.assertTrue(fatfs.is_mounted())
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with sdcard.filesystem():
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self.assertTrue(sdcard.capacity() > 0)
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self.assertTrue(fatfs.is_mounted())
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self.assertTrue(sdcard.capacity() > 0)
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self.assertTrue(fatfs.is_mounted())
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self.assertEqual(sdcard.capacity(), 0)
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self.assertFalse(fatfs.is_mounted())
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def test_mount_nomount(self):
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with self.assertRaises(RuntimeError):
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with sdcard.filesystem(mounted=True):
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with sdcard.filesystem(mounted=False):
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pass
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with self.assertRaises(RuntimeError):
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with sdcard.filesystem(mounted=False):
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with sdcard.filesystem(mounted=True):
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pass
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def test_failed_mount(self):
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# set up a filesystem first
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with sdcard.filesystem(mounted=False):
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fatfs.mkfs()
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with sdcard.filesystem():
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self.assertTrue(fatfs.is_mounted())
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# trash filesystem
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io.sdcard.power_on()
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io.sdcard.write(0, bytes([0xFF] * io.sdcard.BLOCK_SIZE))
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io.sdcard.power_off()
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# mounting should now fail
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with self.assertRaises(OSError):
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with sdcard.filesystem():
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pass
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self.assertFalse(fatfs.is_mounted())
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# it should be possible to create an unmounted instance
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with sdcard.filesystem(mounted=False):
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fatfs.mkfs()
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# mounting should now succeed
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with sdcard.filesystem():
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self.assertTrue(fatfs.is_mounted())
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if __name__ == "__main__":
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unittest.main()
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