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Diffstat (limited to 'tests')
-rw-r--r-- | tests/test_blocks.py | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tests/test_blocks.py b/tests/test_blocks.py new file mode 100644 index 0000000..be7b640 --- /dev/null +++ b/tests/test_blocks.py @@ -0,0 +1,58 @@ +'''Tests block operations.''' + +from StringIO import StringIO +import unittest + +from rsa import blocks + +class VarintTest(unittest.TestCase): + + def test_read_varint(self): + + encoded = '\xac\x02crummy' + infile = StringIO(encoded) + + (decoded, read) = blocks.read_varint(infile) + + # Test the returned values + self.assertEqual(300, decoded) + self.assertEqual(2, read) + + # The rest of the file should be untouched + self.assertEqual('crummy', infile.read()) + + def test_read_zero(self): + + encoded = '\x00crummy' + infile = StringIO(encoded) + + (decoded, read) = blocks.read_varint(infile) + + # Test the returned values + self.assertEqual(0, decoded) + self.assertEqual(1, read) + + # The rest of the file should be untouched + self.assertEqual('crummy', infile.read()) + + def test_write_varint(self): + + expected = '\xac\x02' + outfile = StringIO() + + written = blocks.write_varint(outfile, 300) + + # Test the returned values + self.assertEqual(expected, outfile.getvalue()) + self.assertEqual(2, written) + + + def test_write_zero(self): + + outfile = StringIO() + written = blocks.write_varint(outfile, 0) + + # Test the returned values + self.assertEqual('\x00', outfile.getvalue()) + self.assertEqual(1, written) + |