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# -*- coding: utf-8 -*-
# test_local_backend.py
# Copyright (C) 2017 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 BlobManager.
"""
from twisted.trial import unittest
from twisted.internet import defer
from leap.soledad.client._db.blobs import BlobManager, BlobDoc, FIXED_REV
from leap.soledad.client._db.blobs import BlobAlreadyExistsError
from leap.soledad.client._db.blobs import SyncStatus
from io import BytesIO
from mock import Mock
from uuid import uuid4
import pytest
import os
class BlobManagerTestCase(unittest.TestCase):
class doc_info:
doc_id = 'D-deadbeef'
rev = FIXED_REV
def setUp(self):
self.cleartext = BytesIO('rosa de foc')
self.secret = 'A' * 96
self.manager = BlobManager(
self.tempdir, '',
'A' * 32, self.secret,
uuid4().hex, 'token', None)
self.addCleanup(self.manager.close)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_get_missing(self):
self.manager._download_and_decrypt = Mock(return_value=None)
missing_blob_id = uuid4().hex
result = yield self.manager.get(missing_blob_id)
self.assertIsNone(result)
args = missing_blob_id, ''
self.manager._download_and_decrypt.assert_called_once_with(*args)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_get_from_existing_value(self):
self.manager._download_and_decrypt = Mock(return_value=None)
msg, blob_id = "It's me, M4r10!", uuid4().hex
yield self.manager.local.put(blob_id, BytesIO(msg),
size=len(msg))
result = yield self.manager.get(blob_id)
self.assertEquals(result.getvalue(), msg)
self.assertNot(self.manager._download_and_decrypt.called)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_put_stores_on_local_db(self):
self.manager._encrypt_and_upload = Mock(return_value=None)
msg, blob_id = "Hey Joe", uuid4().hex
doc = BlobDoc(BytesIO(msg), blob_id=blob_id)
yield self.manager.put(doc, size=len(msg))
result = yield self.manager.local.get(blob_id)
self.assertEquals(result.getvalue(), msg)
self.assertTrue(self.manager._encrypt_and_upload.called)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_put_then_get_using_real_file_descriptor(self):
self.manager._encrypt_and_upload = Mock(return_value=None)
self.manager._download_and_decrypt = Mock(return_value=None)
msg, blob_id = "Fuuuuull cycleee! \o/", uuid4().hex
tmpfile = os.tmpfile()
tmpfile.write(msg)
tmpfile.seek(0)
doc = BlobDoc(tmpfile, blob_id)
yield self.manager.put(doc, size=len(msg))
result = yield self.manager.get(doc.blob_id)
self.assertEquals(result.getvalue(), msg)
self.assertTrue(self.manager._encrypt_and_upload.called)
self.assertFalse(self.manager._download_and_decrypt.called)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_local_list_blobs(self):
self.manager._encrypt_and_upload = Mock(return_value=None)
msg, blob_id1, blob_id2 = "1337", uuid4().hex, uuid4().hex
doc = BlobDoc(BytesIO(msg), blob_id1)
yield self.manager.put(doc, size=len(msg))
doc2 = BlobDoc(BytesIO(msg), blob_id2)
yield self.manager.put(doc2, size=len(msg))
blobs_list = yield self.manager.local_list()
self.assertEquals(set([blob_id1, blob_id2]), set(blobs_list))
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_send_missing(self):
fd, missing_id = BytesIO('test'), uuid4().hex
self.manager._encrypt_and_upload = Mock(return_value=None)
self.manager.remote_list = Mock(return_value=[])
yield self.manager.local.put(missing_id, fd, 4)
yield self.manager.send_missing()
call_list = self.manager._encrypt_and_upload.call_args_list
self.assertEquals(1, len(call_list))
call_blob_id, call_fd = call_list[0][0]
self.assertEquals(missing_id, call_blob_id)
self.assertEquals('test', call_fd.getvalue())
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_duplicated_blob_error_on_put(self):
self.manager._encrypt_and_upload = Mock(return_value=None)
content, existing_id = "Blob content", uuid4().hex
doc1 = BlobDoc(BytesIO(content), existing_id)
yield self.manager.put(doc1, len(content))
doc2 = BlobDoc(BytesIO(content), existing_id)
self.manager._encrypt_and_upload.reset_mock()
with pytest.raises(BlobAlreadyExistsError):
yield self.manager.put(doc2, len(content))
self.assertFalse(self.manager._encrypt_and_upload.called)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_delete_from_local_and_remote(self):
self.manager._encrypt_and_upload = Mock(return_value=None)
self.manager._delete_from_remote = Mock(return_value=None)
content, blob_id = "Blob content", uuid4().hex
doc1 = BlobDoc(BytesIO(content), blob_id)
yield self.manager.put(doc1, len(content))
yield self.manager.delete(blob_id)
local_list = yield self.manager.local_list()
self.assertEquals(0, len(local_list))
params = {'namespace': ''}
self.manager._delete_from_remote.assert_called_with(blob_id, **params)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_local_sync_status_pending_upload(self):
upload_failure = defer.fail(Exception())
self.manager._encrypt_and_upload = Mock(return_value=upload_failure)
content, blob_id = "Blob content", uuid4().hex
doc1 = BlobDoc(BytesIO(content), blob_id)
with pytest.raises(Exception):
yield self.manager.put(doc1, len(content))
pending_upload = SyncStatus.PENDING_UPLOAD
local_list = yield self.manager.local_list(sync_status=pending_upload)
self.assertIn(blob_id, local_list)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_upload_retry_limit(self):
self.manager.remote_list = Mock(return_value=[])
content, blob_id = "Blob content", uuid4().hex
doc1 = BlobDoc(BytesIO(content), blob_id)
with pytest.raises(Exception):
yield self.manager.put(doc1, len(content))
for _ in range(self.manager.max_retries + 1):
with pytest.raises(defer.FirstError):
yield self.manager.send_missing()
failed_upload = SyncStatus.FAILED_UPLOAD
local_list = yield self.manager.local_list(sync_status=failed_upload)
self.assertIn(blob_id, local_list)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_local_list_doesnt_include_unavailable_blobs(self):
local = self.manager.local
unavailable_ids, deferreds = [], []
for unavailable_status in SyncStatus.UNAVAILABLE_STATUSES:
current_blob_id = uuid4().hex
deferreds.append(local.put(current_blob_id, BytesIO(''), 0,
status=unavailable_status))
unavailable_ids.append(current_blob_id)
available_blob_id = uuid4().hex
content, length = self.cleartext, len(self.cleartext.getvalue())
deferreds.append(local.put(available_blob_id, content, length))
yield defer.gatherResults(deferreds)
local_list = yield local.list()
message = 'Unavailable blob showing up on listing!'
for blob_id in unavailable_ids:
self.assertNotIn(blob_id, local_list, message)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_get_doesnt_include_unavailable_blobs(self):
local = self.manager.local
unavailable_ids, deferreds = [], []
for unavailable_status in SyncStatus.UNAVAILABLE_STATUSES:
current_blob_id = uuid4().hex
deferreds.append(local.put(current_blob_id, BytesIO(''), 0,
status=unavailable_status))
unavailable_ids.append(current_blob_id)
available_blob_id = uuid4().hex
content, length = self.cleartext, len(self.cleartext.getvalue())
deferreds.append(local.put(available_blob_id, content, length))
yield defer.gatherResults(deferreds)
message = 'Unavailable blob showing up on GET!'
for blob_id in unavailable_ids:
blob = yield local.get(blob_id)
self.assertFalse(blob, message)
@defer.inlineCallbacks
@pytest.mark.usefixtures("method_tmpdir")
def test_persist_sync_statuses_listing_from_server(self):
local = self.manager.local
remote_ids = [uuid4().hex for _ in range(10)]
local_ids = [uuid4().hex for _ in range(10)]
self.manager.remote_list = Mock(return_value=defer.succeed(remote_ids))
content, pending = self.cleartext, SyncStatus.PENDING_UPLOAD
length, deferreds = len(content.getvalue()), []
for blob_id in local_ids:
d = local.put(blob_id, content, length, status=pending)
deferreds.append(d)
yield defer.gatherResults(deferreds)
yield self.manager.refresh_sync_status_from_server()
d = self.manager.local_list(sync_status=SyncStatus.PENDING_UPLOAD)
pending_upload_list = yield d
d = self.manager.local_list(sync_status=SyncStatus.PENDING_DOWNLOAD)
pending_download_list = yield d
self.assertEquals(set(pending_upload_list), set(local_ids))
self.assertEquals(set(pending_download_list), set(remote_ids))
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