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# -*- coding: utf-8 -*-
# test_encdecpool.py
# Copyright (C) 2015 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Tests for encryption and decryption pool.
"""
import json
from twisted.internet.defer import inlineCallbacks
from leap.soledad.client.encdecpool import SyncEncrypterPool
from leap.soledad.client.encdecpool import SyncDecrypterPool
from leap.soledad.common.document import SoledadDocument
from leap.soledad.common.tests.util import BaseSoledadTest
DOC_ID = "mydoc"
DOC_REV = "rev"
DOC_CONTENT = {'simple': 'document'}
class TestSyncEncrypterPool(BaseSoledadTest):
def setUp(self):
BaseSoledadTest.setUp(self)
crypto = self._soledad._crypto
sync_db = self._soledad._sync_db
self._pool = SyncEncrypterPool(crypto, sync_db)
self._pool.start()
def tearDown(self):
self._pool.stop()
BaseSoledadTest.tearDown(self)
@inlineCallbacks
def test_get_encrypted_doc_returns_none(self):
"""
Test that trying to get an encrypted doc from the pool returns None if
the document was never added for encryption.
"""
doc = yield self._pool.get_encrypted_doc(DOC_ID, DOC_REV)
self.assertIsNone(doc)
@inlineCallbacks
def test_enqueue_doc_for_encryption_and_get_encrypted_doc(self):
"""
Test that the pool actually encrypts a document added to the queue.
"""
doc = SoledadDocument(
doc_id=DOC_ID, rev=DOC_REV, json=json.dumps(DOC_CONTENT))
self._pool.enqueue_doc_for_encryption(doc)
# exhaustivelly attempt to get the encrypted document
encrypted = None
attempts = 0
while encrypted is None and attempts < 10:
encrypted = yield self._pool.get_encrypted_doc(DOC_ID, DOC_REV)
attempts += 1
self.assertIsNotNone(encrypted)
self.assertTrue(attempts < 10)
class TestSyncDecrypterPool(BaseSoledadTest):
def _insert_doc_cb(self, doc, gen, trans_id):
"""
Method used to mock the sync's return_doc_cb callback.
"""
self._inserted_docs.append((doc, gen, trans_id))
def setUp(self):
BaseSoledadTest.setUp(self)
# setup the pool
self._pool = SyncDecrypterPool(
self._soledad._crypto,
self._soledad._sync_db,
source_replica_uid=self._soledad._dbpool.replica_uid,
insert_doc_cb=self._insert_doc_cb)
# reset the inserted docs mock
self._inserted_docs = []
def tearDown(self):
if self._pool.running:
self._pool.stop()
BaseSoledadTest.tearDown(self)
def test_insert_received_doc(self):
"""
Test that one document added to the pool is inserted using the
callback.
"""
self._pool.start(1)
self._pool.insert_received_doc(
DOC_ID, DOC_REV, "{}", 1, "trans_id", 1)
def _assert_doc_was_inserted(_):
self.assertEqual(
self._inserted_docs,
[(SoledadDocument(DOC_ID, DOC_REV, "{}"), 1, u"trans_id")])
self._pool.deferred.addCallback(_assert_doc_was_inserted)
return self._pool.deferred
def test_insert_received_doc_many(self):
"""
Test that many documents added to the pool are inserted using the
callback.
"""
many = 100
self._pool.start(many)
# insert many docs in the pool
for i in xrange(many):
gen = idx = i + 1
doc_id = "doc_id: %d" % idx
rev = "rev: %d" % idx
content = {'idx': idx}
trans_id = "trans_id: %d" % idx
self._pool.insert_received_doc(
doc_id, rev, content, gen, trans_id, idx)
def _assert_doc_was_inserted(_):
self.assertEqual(many, len(self._inserted_docs))
idx = 1
for doc, gen, trans_id in self._inserted_docs:
expected_gen = idx
expected_doc_id = "doc_id: %d" % idx
expected_rev = "rev: %d" % idx
expected_content = json.dumps({'idx': idx})
expected_trans_id = "trans_id: %d" % idx
self.assertEqual(expected_doc_id, doc.doc_id)
self.assertEqual(expected_rev, doc.rev)
self.assertEqual(expected_content, json.dumps(doc.content))
self.assertEqual(expected_gen, gen)
self.assertEqual(expected_trans_id, trans_id)
idx += 1
self._pool.deferred.addCallback(_assert_doc_was_inserted)
return self._pool.deferred
def test_insert_encrypted_received_doc(self):
"""
Test that one encrypted document added to the pool is decrypted and
inserted using the callback.
"""
crypto = self._soledad._crypto
doc = SoledadDocument(
doc_id=DOC_ID, rev=DOC_REV, json=json.dumps(DOC_CONTENT))
encrypted_content = json.loads(crypto.encrypt_doc(doc))
# insert the encrypted document in the pool
self._pool.start(1)
self._pool.insert_encrypted_received_doc(
DOC_ID, DOC_REV, encrypted_content, 1, "trans_id", 1)
def _assert_doc_was_decrypted_and_inserted(_):
self.assertEqual(self._inserted_docs, [(doc, 1, u"trans_id")])
self._pool.deferred.addCallback(
_assert_doc_was_decrypted_and_inserted)
return self._pool.deferred
def test_insert_encrypted_received_doc_many(self):
"""
Test that many encrypted documents added to the pool are decrypted and
inserted using the callback.
"""
crypto = self._soledad._crypto
many = 100
self._pool.start(many)
# insert many encrypted docs in the pool
for i in xrange(many):
gen = idx = i + 1
doc_id = "doc_id: %d" % idx
rev = "rev: %d" % idx
content = {'idx': idx}
trans_id = "trans_id: %d" % idx
doc = SoledadDocument(
doc_id=doc_id, rev=rev, json=json.dumps(content))
encrypted_content = json.loads(crypto.encrypt_doc(doc))
self._pool.insert_encrypted_received_doc(
doc_id, rev, encrypted_content, gen, trans_id, idx)
def _assert_docs_were_decrypted_and_inserted(_):
self.assertEqual(many, len(self._inserted_docs))
idx = 1
for doc, gen, trans_id in self._inserted_docs:
expected_gen = idx
expected_doc_id = "doc_id: %d" % idx
expected_rev = "rev: %d" % idx
expected_content = json.dumps({'idx': idx})
expected_trans_id = "trans_id: %d" % idx
self.assertEqual(expected_doc_id, doc.doc_id)
self.assertEqual(expected_rev, doc.rev)
self.assertEqual(expected_content, json.dumps(doc.content))
self.assertEqual(expected_gen, gen)
self.assertEqual(expected_trans_id, trans_id)
idx += 1
self._pool.deferred.addCallback(
_assert_docs_were_decrypted_and_inserted)
return self._pool.deferred
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