Viewing file:  test_bio_iobuf.py (2.25 KB) -rw-r--r--
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#!/usr/bin/env python
"""Unit tests for M2Crypto.BIO.IOBuffer.
Copyright (c) 2000 Ng Pheng Siong. All rights reserved."""
from cStringIO import StringIO
import unittest
import M2Crypto
from M2Crypto.BIO import IOBuffer, MemoryBuffer
class IOBufferTestCase(unittest.TestCase):
def setUp(self):
self._data = 'abcdef\n'
self.data = self._data * 1024
def tearDown(self):
pass
def check_init_empty(self):
mb = MemoryBuffer()
io = IOBuffer(mb)
out = io.read()
assert out == ''
def check_init_something(self):
mb = MemoryBuffer(self.data)
io = IOBuffer(mb)
out = io.read(len(self.data))
assert out == self.data
def check_read_less_than(self):
chunk = len(self.data) - 7
mb = MemoryBuffer(self.data)
io = IOBuffer(mb)
out = io.read(chunk)
assert out == self.data[:chunk]
def check_read_more_than(self):
chunk = len(self.data) + 8
mb = MemoryBuffer(self.data)
io = IOBuffer(mb)
out = io.read(chunk)
assert out == self.data
def check_readline(self):
buf = StringIO()
mb = MemoryBuffer(self.data)
io = IOBuffer(mb)
while 1:
out = io.readline()
if not out:
break
buf.write(out)
assert out == self._data
assert buf.getvalue() == self.data
def check_readlines(self):
buf = StringIO()
mb = MemoryBuffer(self.data)
io = IOBuffer(mb)
lines = io.readlines()
for line in lines:
assert line == self._data
buf.write(line)
assert buf.getvalue() == self.data
def check_closed(self):
mb = MemoryBuffer(self.data)
io = IOBuffer(mb)
io.close()
self.assertRaises(IOError, io.write, self.data)
assert not io.readable() and not io.writeable()
def check_read_only(self):
mb = MemoryBuffer(self.data)
io = IOBuffer(mb, mode='r')
self.assertRaises(IOError, io.write, self.data)
assert not io.writeable()
def suite():
return unittest.makeSuite(IOBufferTestCase, 'check_')
if __name__ == '__main__':
unittest.TextTestRunner().run(suite())
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