mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-30 03:18:20 +00:00
241 lines
7.7 KiB
Python
241 lines
7.7 KiB
Python
from common import *
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from trezorio import sdcard, fatfs
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class TestTrezorIoFatfs(unittest.TestCase):
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def setUp(self):
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sdcard.power_on()
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fatfs.mkfs()
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fatfs.mount()
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def tearDown(self):
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fatfs.unmount()
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sdcard.power_off()
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def _filename(self, suffix=""):
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return "FILE%s.TXT" % suffix
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def _dirname(self, suffix=""):
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return "TREZOR%s" % suffix
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def test_basic(self):
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# test just the stuff in setup and teardown
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pass
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def test_mkdir(self):
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fatfs.mkdir("/%s" % self._dirname())
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s = fatfs.stat("/%s" % self._dirname())
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self.assertEqual(s, (0, "---d-", self._dirname()))
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def test_listdir(self):
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fatfs.mkdir("/%s" % self._dirname())
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with fatfs.open("/%s" % self._filename(), "w") as f:
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f.write(bytearray(b"test"))
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with fatfs.open("/%s/%s" % (self._dirname(), self._filename("2")), "w") as f:
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f.write(bytearray(b"testtest"))
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l = [e for e in fatfs.listdir("/")]
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self.assertEqual(
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l, [(0, "---d-", self._dirname()), (4, "----a", self._filename())]
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)
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l = [e for e in fatfs.listdir("/%s" % self._dirname())]
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self.assertEqual(l, [(8, "----a", self._filename("2"))])
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def test_unlink(self):
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fatfs.mkdir("/%s" % self._dirname())
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with fatfs.open("/%s" % self._filename(), "w") as f:
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f.write(bytearray(b"test"))
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s = fatfs.stat("/%s" % self._dirname())
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self.assertEqual(s, (0, "---d-", self._dirname()))
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s = fatfs.stat("/%s" % self._filename())
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self.assertEqual(s, (4, "----a", self._filename()))
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fatfs.unlink("/%s" % self._dirname())
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fatfs.unlink("/%s" % self._filename())
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with self.assertRaises(OSError):
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fatfs.stat("/%s" % self._dirname())
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with self.assertRaises(OSError):
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self.assertRaises(fatfs.stat("/%s" % self._filename()))
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def test_rename(self):
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fatfs.mkdir("/%s" % self._dirname())
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with fatfs.open("/%s" % self._filename(), "w") as f:
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f.write(bytearray(b"test"))
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s = fatfs.stat("/%s" % self._dirname())
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self.assertEqual(s, (0, "---d-", self._dirname()))
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s = fatfs.stat("/%s" % self._filename())
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self.assertEqual(s, (4, "----a", self._filename()))
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fatfs.rename("/%s" % self._dirname(), "/%s" % self._dirname("2"))
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fatfs.rename("/%s" % self._filename(), "/%s" % self._filename("2"))
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with self.assertRaises(OSError):
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fatfs.stat("/%s" % self._dirname())
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with self.assertRaises(OSError):
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self.assertRaises(fatfs.stat("/%s" % self._filename()))
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s = fatfs.stat("/%s" % self._dirname("2"))
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self.assertEqual(s, (0, "---d-", self._dirname("2")))
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s = fatfs.stat("/%s" % self._filename("2"))
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self.assertEqual(s, (4, "----a", self._filename("2")))
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def test_open_rw(self):
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with fatfs.open("/%s" % self._filename(), "w") as f:
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f.write(bytearray(b"test"))
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with fatfs.open("/%s" % self._filename(), "r") as f:
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b = bytearray(100)
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r = f.read(b)
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self.assertEqual(r, 4)
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self.assertEqual(bytes(b[:4]), b"test")
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def test_open_a(self):
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with fatfs.open("/%s" % self._filename(), "w") as f:
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f.write(bytearray(b"test" * 200))
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with fatfs.open("/%s" % self._filename(), "a") as f:
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f.seek(800)
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f.write(bytearray(b"TEST" * 200))
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with fatfs.open("/%s" % self._filename(), "r") as f:
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b = bytearray(2000)
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r = f.read(b)
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self.assertEqual(r, 1600)
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self.assertEqual(bytes(b[:1600]), b"test" * 200 + b"TEST" * 200)
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def test_seek(self):
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with fatfs.open("/%s" % self._filename(), "w+") as f:
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f.write(bytearray(b"test" * 10))
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f.seek(2)
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b = bytearray(8)
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r = f.read(b)
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self.assertEqual(r, 8)
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self.assertEqual(bytes(b[:8]), b"sttestte")
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def test_truncate(self):
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with fatfs.open("/%s" % self._filename(), "w") as f:
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f.write(bytearray(b"test" * 100))
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s = fatfs.stat("/%s" % self._filename())
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self.assertEqual(s, (400, "----a", self._filename()))
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with fatfs.open("/%s" % self._filename(), "a") as f:
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f.seek(111)
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f.truncate()
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s = fatfs.stat("/%s" % self._filename())
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self.assertEqual(s, (111, "----a", self._filename()))
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class TestTrezorIoFatfsLfn(TestTrezorIoFatfs):
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def _filename(self, suffix=""):
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return "reallylongfilename%s.textfile" % suffix
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def _dirname(self, suffix=""):
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return "reallylongdirname%s" % suffix
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class TestTrezorIoFatfsMounting(unittest.TestCase):
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MOUNTED_METHODS = [
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("open", ("hello.txt", "w")),
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("listdir", ("",)),
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("mkdir", ("testdir",)),
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("unlink", ("hello.txt",)),
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("stat", ("testdir",)),
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("rename", ("testdir", "newdir")),
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("setlabel", ("label",)),
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]
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UNMOUNTED_METHODS = [
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("mkfs", ()),
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]
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OTHER = {
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"__name__",
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"__class__",
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"mount",
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"unmount",
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"is_mounted",
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"FatFSFile",
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"FatFSDir",
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}
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def setUp(self):
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sdcard.power_on()
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def tearDown(self):
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sdcard.power_off()
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def test_mount_unmount(self):
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fatfs.mkfs()
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self.assertFalse(fatfs.is_mounted())
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fatfs.mount()
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self.assertTrue(fatfs.is_mounted())
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fatfs.mount()
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self.assertTrue(fatfs.is_mounted())
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fatfs.unmount()
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self.assertFalse(fatfs.is_mounted())
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def test_no_filesystem(self):
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# trash FAT table
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sdcard.write(0, bytes([0xFF] * sdcard.BLOCK_SIZE))
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self.assertFalse(fatfs.is_mounted())
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try:
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fatfs.mount()
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self.fail("should have raised")
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except OSError as e:
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self.assertEqual(e.args[0], 19) # ENODEV
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self.assertFalse(fatfs.is_mounted())
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def test_exhaustive(self):
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all_symbols = (
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set(name for name, call in (self.MOUNTED_METHODS + self.UNMOUNTED_METHODS))
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| self.OTHER
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)
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self.assertEqual(set(dir(fatfs)), all_symbols)
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def test_mounted(self):
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fatfs.mkfs()
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fatfs.mount()
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self.assertTrue(fatfs.is_mounted())
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for name, call in self.MOUNTED_METHODS:
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function = getattr(fatfs, name)
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function(*call)
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for name, call in self.UNMOUNTED_METHODS:
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function = getattr(fatfs, name)
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try:
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function(*call)
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self.fail("should have raised")
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except OSError as e:
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self.assertEqual(e.args[0], 16) # EBUSY
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def test_unmounted(self):
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fatfs.unmount()
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fatfs.mkfs()
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self.assertFalse(fatfs.is_mounted())
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for name, call in self.UNMOUNTED_METHODS:
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function = getattr(fatfs, name)
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function(*call)
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self.assertFalse(fatfs.is_mounted())
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for name, call in self.MOUNTED_METHODS:
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function = getattr(fatfs, name)
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try:
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function(*call)
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self.fail("should have raised")
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except OSError as e:
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self.assertEqual(e.args[0], 19) # ENODEV
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class TestTrezorIoFatfsAndSdcard(unittest.TestCase):
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def test_sd_power(self):
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sdcard.power_off()
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self.assertFalse(fatfs.is_mounted())
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self.assertRaises(OSError, fatfs.mount)
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sdcard.power_on()
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self.assertFalse(fatfs.is_mounted())
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fatfs.mkfs()
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fatfs.mount()
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self.assertTrue(fatfs.is_mounted())
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sdcard.power_off()
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self.assertFalse(fatfs.is_mounted())
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if __name__ == "__main__":
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unittest.main()
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