def test_stream_append_to_existing(self):
s = stream.Stream()
public_key, private_key = crypto.make_key_pair()
s.set_stream_signature_keys(public_key, private_key)
s.create_with_handle(self.filehandle)
s.append(b"1")
s.append(b"2")
s.append(b"3")
s.close()
s = stream.Stream(self.filehandle.name, append=True)
try:
s.verify()
self.assertEquals(s.state, stream.Stream.STATE_VERIFIED)
except (stream.InvalidKeyPair, stream.StreamCorrupt, stream.HashFailure, stream.SignatureFailure):
self.fail("Stream failed to verify")
return
s.set_stream_signature_keys(public_key, private_key)
self.assertEquals(s.state, stream.Stream.STATE_WRITE_VERIFIED)
s.append(b"4")
s.close()
s = stream.Stream(self.filehandle.name)
self.assertEqual(s.verify(), 5)
s.close()
def test_stream_id(self):
s = stream.Stream()
first_uuid = s.uuid
s.set_stream_signature_keys(crypto.make_key_pair())
s.create_with_handle(self.filehandle)
self.assertEqual(len(s.uuid), 32)
self.assertNotEqual(first_uuid, s.uuid)
s.close()
s = stream.Stream(self.filehandle.name)
s.verify()
self.assertEqual(len(s.uuid), 32)
s.close()
def test_block_seek(self):
s = stream.Stream()
s.set_stream_signature_keys(crypto.make_key_pair())
s.create_with_handle(self.filehandle)
s.append(b"1")
s.append(b"2")
s.append(b"3")
s.close()
s = stream.Stream(self.filehandle.name)
self.assertEqual(s.read(1)[1], b"1")
self.assertEqual(s.read(2)[1], b"2")
self.assertEqual(s.read(3)[1], b"3")
self.assertEqual(s.read(2)[1], b"2")
self.assertEqual(s.read(3)[1], b"3")
s.close()
def test_file_existence_override(self):
s = stream.Stream()
s.set_stream_signature_keys(crypto.make_key_pair())
try:
s.create(self.filehandle.name, force=True)
except IOError as err:
self.fail("Force overwrite file does not throw the expected exception.")
return
def test_stream_append_while_not_at_end(self):
s = stream.Stream()
s.set_stream_signature_keys(crypto.make_key_pair())
s.create_with_handle(self.filehandle)
s.append(b"1")
s.append(b"2")
s.read(1)
s.append(b"3")
s.close()
def test_create_and_verify(self):
blocks = [b"random", b"crap"]
s = stream.Stream()
s.set_stream_signature_keys(crypto.make_key_pair())
s.create_with_handle(self.filehandle)
for b in blocks:
s.append(content=b)
s.close()
reads = []
with stream.Stream(self.filehandle.name) as s:
block_index = 1
while True:
metadata, content = s.read(block_index)
if not content:
break
reads.append(content)
block_index += 1
assert_equals(blocks, reads)
def setUp(self):
self.dir = mkdtemp()
app.config['STREAM_DIR'] = self.dir
ServerTestCase.setUp(self)
s = stream.Stream()
self.public_key, self.private_key = crypto.make_key_pair()
s.set_stream_signature_keys(self.public_key, self.private_key)
self.uuid = s.uuid
s.create(os.path.join(self.dir, "%s.iw" % self.uuid))
s.append(b"1")
s.append(b"2")
s.append(b"3")
s.close()
def test_metadata(self):
metadata = {'foo': 'bar'}
metadata2 = {'foo': 'bar'}
s = stream.Stream()
s.set_stream_signature_keys(crypto.make_key_pair())
s.create_with_handle(self.filehandle)
s.append(b"1")
s.append(b"2", metadata2)
s.append(b"3")
s.close()
s = stream.Stream(self.filehandle.name, append=True)
s.verify()
(read_metadata, content) = s.read(0)
if stream.MANIFEST_METADATA_STREAM_SIGNATURE_PUBLIC_KEY not in read_metadata:
self.fail(
"Stream signature public key not found in manifest data.")
(read_metadata, content) = s.read(2)
self.assertEqual(read_metadata, metadata2)
s.close()
def test_file_content_keys(self):
with TemporaryDirectory() as tmpdirname:
public_key, private_key = crypto.make_key_pair()
with open(os.path.join(tmpdirname, "__test-public.pem"),
"wb") as f:
f.write(crypto.get_public_key_pem(public_key))
with open(os.path.join(tmpdirname, "__test-private.pem"),
"wb") as f:
f.write(crypto.get_private_key_pem(private_key))
s = stream.Stream()
s.set_stream_content_keys_filename(
os.path.join(tmpdirname, "__test-public.pem"),
os.path.join(tmpdirname, "__test-private.pem"))
def test_not_iw_stream(self):
self.filehandle.write(b"\0" * 1024)
self.filehandle.close()
s = stream.Stream()
self.assertRaises(ValueError, s.open, self.filehandle.name)
def test_missing_file(self):
s = stream.Stream()
self.assertRaises(FileNotFoundError, s.open, "__doesnotexist.iw")
def test_file_existence(self):
s = stream.Stream()
s.set_stream_signature_keys(crypto.make_key_pair())
self.assertRaises(IOError, s.create, self.filehandle.name)
def test_missing_key_files(self):
s = stream.Stream()
self.assertRaises(FileNotFoundError,
s.set_stream_signature_keys_filename,
"<doesnotexist>", "<neither does this>")
def test_mismatched_keys(self):
s = stream.Stream()
public_key, private_key = crypto.make_key_pair()
public_key2, private_key2 = crypto.make_key_pair()
self.assertRaises(exc.InvalidKeyPair, s.set_stream_signature_keys,
public_key2, private_key)
def test_missing_keys(self):
s = stream.Stream()
self.assertRaises(exc.MissingKey, s.create_with_handle,
self.filehandle)