Example #1
0
File: tests.py Project: 0xquad/mfu
 def __init__(self, name):
     super().__init__(name)
     card = MFUCard(bytes=bytes([1,2,3,4]*16))
     self.page = MFUPage(card, 0)
Example #2
0
File: tests.py Project: 0xquad/mfu
class MFUPageTests(unittest.TestCase):
    def __init__(self, name):
        super().__init__(name)
        card = MFUCard(bytes=bytes([1,2,3,4]*16))
        self.page = MFUPage(card, 0)


    def test_iter_bytes(self):
        byteiter = iter(self.page)
        b = next(byteiter)
        self.assertEqual(b, 1)
        b = next(byteiter)
        self.assertEqual(b, 2)
        b = next(byteiter)
        self.assertEqual(b, 3)
        b = next(byteiter)
        self.assertEqual(b, 4)
        with self.assertRaises(StopIteration):
            next(byteiter)


    def test_as_list(self):
        bytelist = list(self.page)
        self.assertIsInstance(bytelist, list)
        self.assertEqual(bytelist, [1, 2, 3, 4])


    def test_slice(self):
        self.assertEqual(self.page[0], 1)
        self.assertEqual(self.page[1:-1], b'\x02\x03')


    @unittest.skip('item assignment is not implemented')
    def test_set_bytes_types(self):
        self.assertNotEqual(self.page[0], 99)
        self.page[0] = 99
        self.assertEqual(self.page[0], 99)

        self.page[0] = b'\x99'
        self.assertEqual(self.page[0], 0x99)


    @unittest.skip('item assignment is not implemented')
    def test_set_bytes_negative_index(self):
        self.assertNotEqual(self.page[-1], 99)
        self.page[-1] = 99
        self.assertEqual(self.page[-1], 99)


    @unittest.skip('item assignment is not implemented')
    def test_set_bytes_slice_value_types(self):
        self.assertNotEqual(self.page[:2], b'\x88\x99')
        self.page[:2] = bytes([0x88, 0x99])
        self.assertEqual(self.page[:2], b'\x88\x99')

        self.page[:2] = bytes([0x10, 0x20])
        self.assertEqual(self.page[:2], b'\x10\x20')

        self.page[:2] = b'\x11\x21'
        self.assertEqual(self.page[:2], b'\x11\x21')

        self.page[:2] = [0x12, 0x22]
        self.assertEqual(self.page[:2], b'\x12\x22')

        class C:
            def __iter__(self):
                return next(self)
            def __next__(self):
                yield 0x13
                yield 0x23

        self.page[:2] = C()
        self.assertEqual(self.page[:2], b'\x13\x23')


    @unittest.skip('item assignment is not implemented')
    def test_set_bytes_invalid_value(self):
        for t in (str, complex, float, set, list, tuple, dict):
            with self.assertRaises(ValueError):
                self.page[0] = t()

        with self.assertRaises(ValueError):
            self.page[0] = 256
        with self.assertRaises(ValueError):
            self.page[0] = -1


    @unittest.skip('item assignment is not implemented')
    def test_set_bytes_invalid_index(self):
        for t in (str, complex, float, set, list, tuple, dict):
            with self.assertRaises(TypeError):
                self.page[t()] = 0

        with self.assertRaises(ValueError):
            self.page[5] = 0


    def test_invalid_index(self):
        for t in (str, list, set, dict, complex, object):
            with self.assertRaises(TypeError):
                self.page[t()]


    def test_to_hex(self):
        hexstr = self.page.to_hex()
        self.assertEqual(hexstr, '01020304')


    def test_to_int(self):
        value = self.page.to_int()
        self.assertEqual(value, 0x01020304)


    def test_length(self):
        self.assertEqual(len(self.page), 4)


    def test_init_invalid_page(self):
        card = MFUCard()
        with self.assertRaises(ValueError):
            MFUPage(card, -1)
        with self.assertRaises(ValueError):
            MFUPage(card, 16)


    def test_init_invalid_card(self):
        card = object()
        with self.assertRaises(TypeError):
            MFUPage(card, 0)


    def test_readonly(self):
        card = MFUCard()
        pages = [MFUPage(card, i) for i in range(16)]
        for p in (0, 1):
            self.assertTrue(pages[p].readonly)
        for p in range(2, 16):
            self.assertFalse(pages[p].readonly)

        card = MFUCard(bytes=
            b'\x00\x00\x00\x00' * 2 +
            # lock bytes value = 0x55aa
            # meaning:  pages 5, 7, 8, 10, 12, 14 are LOCKED
            #           pages 4, 6, 9, 11, 13, 15 are not locked
            #           otp locking protection is off
            #           pages 9-4 locking protection is ON
            #           pages 15-10 locking protection is off
            #           otp area is LOCKED
            b'\x00\x00\xaa\x55' +
            b'\x00\x00\x00\x00' * 13
        )
        pages = [MFUPage(card, i) for i in range(16)]
        for p in (0, 1):
            # readonly pages
            self.assertTrue(pages[p].readonly)
        for p in (5, 7, 8, 10, 12, 14):
            # locked pages
            self.assertTrue(pages[p].readonly)
        for p in (4, 6, 9, 11, 13, 15):
            # pages not locked
            self.assertFalse(pages[p].readonly)