diff options
Diffstat (limited to 'tests/u1db_tests/test_remote_sync_target.py')
| -rw-r--r-- | tests/u1db_tests/test_remote_sync_target.py | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/tests/u1db_tests/test_remote_sync_target.py b/tests/u1db_tests/test_remote_sync_target.py new file mode 100644 index 00000000..6f69073d --- /dev/null +++ b/tests/u1db_tests/test_remote_sync_target.py @@ -0,0 +1,316 @@ +# Copyright 2011-2012 Canonical Ltd. +# +# This file is part of u1db. +# +# u1db is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License version 3 +# as published by the Free Software Foundation. +# +# u1db 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 Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with u1db. If not, see <http://www.gnu.org/licenses/>. + +"""Tests for the remote sync targets""" + +import cStringIO + +from u1db import ( + errors, + ) + +from leap.soledad.tests import u1db_tests as tests + +from u1db.remote import ( + http_app, + http_target, + oauth_middleware, + ) + + +class TestHTTPSyncTargetBasics(tests.TestCase): + + def test_parse_url(self): + remote_target = http_target.HTTPSyncTarget('http://127.0.0.1:12345/') + self.assertEqual('http', remote_target._url.scheme) + self.assertEqual('127.0.0.1', remote_target._url.hostname) + self.assertEqual(12345, remote_target._url.port) + self.assertEqual('/', remote_target._url.path) + + +class TestParsingSyncStream(tests.TestCase): + + def test_wrong_start(self): + tgt = http_target.HTTPSyncTarget("http://foo/foo") + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, "{}\r\n]", None) + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, "\r\n{}\r\n]", None) + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, "", None) + + def test_wrong_end(self): + tgt = http_target.HTTPSyncTarget("http://foo/foo") + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, "[\r\n{}", None) + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, "[\r\n", None) + + def test_missing_comma(self): + tgt = http_target.HTTPSyncTarget("http://foo/foo") + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, + '[\r\n{}\r\n{"id": "i", "rev": "r", ' + '"content": "c", "gen": 3}\r\n]', None) + + def test_no_entries(self): + tgt = http_target.HTTPSyncTarget("http://foo/foo") + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, "[\r\n]", None) + + def test_extra_comma(self): + tgt = http_target.HTTPSyncTarget("http://foo/foo") + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, "[\r\n{},\r\n]", None) + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, + '[\r\n{},\r\n{"id": "i", "rev": "r", ' + '"content": "{}", "gen": 3, "trans_id": "T-sid"}' + ',\r\n]', + lambda doc, gen, trans_id: None) + + def test_error_in_stream(self): + tgt = http_target.HTTPSyncTarget("http://foo/foo") + + self.assertRaises(errors.Unavailable, + tgt._parse_sync_stream, + '[\r\n{"new_generation": 0},' + '\r\n{"error": "unavailable"}\r\n', None) + + self.assertRaises(errors.Unavailable, + tgt._parse_sync_stream, + '[\r\n{"error": "unavailable"}\r\n', None) + + self.assertRaises(errors.BrokenSyncStream, + tgt._parse_sync_stream, + '[\r\n{"error": "?"}\r\n', None) + + +def make_http_app(state): + return http_app.HTTPApp(state) + + +def http_sync_target(test, path): + return http_target.HTTPSyncTarget(test.getURL(path)) + + +def make_oauth_http_app(state): + app = http_app.HTTPApp(state) + application = oauth_middleware.OAuthMiddleware(app, None, prefix='/~/') + application.get_oauth_data_store = lambda: tests.testingOAuthStore + return application + + +def oauth_http_sync_target(test, path): + st = http_sync_target(test, '~/' + path) + st.set_oauth_credentials(tests.consumer1.key, tests.consumer1.secret, + tests.token1.key, tests.token1.secret) + return st + + +class TestRemoteSyncTargets(tests.TestCaseWithServer): + + scenarios = [ + ('http', {'make_app_with_state': make_http_app, + 'make_document_for_test': tests.make_document_for_test, + 'sync_target': http_sync_target}), + ('oauth_http', {'make_app_with_state': make_oauth_http_app, + 'make_document_for_test': tests.make_document_for_test, + 'sync_target': oauth_http_sync_target}), + ] + + def getSyncTarget(self, path=None): + if self.server is None: + self.startServer() + return self.sync_target(self, path) + + def test_get_sync_info(self): + self.startServer() + db = self.request_state._create_database('test') + db._set_replica_gen_and_trans_id('other-id', 1, 'T-transid') + remote_target = self.getSyncTarget('test') + self.assertEqual(('test', 0, '', 1, 'T-transid'), + remote_target.get_sync_info('other-id')) + + def test_record_sync_info(self): + self.startServer() + db = self.request_state._create_database('test') + remote_target = self.getSyncTarget('test') + remote_target.record_sync_info('other-id', 2, 'T-transid') + self.assertEqual( + (2, 'T-transid'), db._get_replica_gen_and_trans_id('other-id')) + + def test_sync_exchange_send(self): + self.startServer() + db = self.request_state._create_database('test') + remote_target = self.getSyncTarget('test') + other_docs = [] + + def receive_doc(doc): + other_docs.append((doc.doc_id, doc.rev, doc.get_json())) + + doc = self.make_document('doc-here', 'replica:1', '{"value": "here"}') + new_gen, trans_id = remote_target.sync_exchange( + [(doc, 10, 'T-sid')], 'replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=receive_doc) + self.assertEqual(1, new_gen) + self.assertGetDoc( + db, 'doc-here', 'replica:1', '{"value": "here"}', False) + + def test_sync_exchange_send_failure_and_retry_scenario(self): + self.startServer() + + def blackhole_getstderr(inst): + return cStringIO.StringIO() + + self.patch(self.server.RequestHandlerClass, 'get_stderr', + blackhole_getstderr) + db = self.request_state._create_database('test') + _put_doc_if_newer = db._put_doc_if_newer + trigger_ids = ['doc-here2'] + + def bomb_put_doc_if_newer(doc, save_conflict, + replica_uid=None, replica_gen=None, + replica_trans_id=None): + if doc.doc_id in trigger_ids: + raise Exception + return _put_doc_if_newer(doc, save_conflict=save_conflict, + replica_uid=replica_uid, replica_gen=replica_gen, + replica_trans_id=replica_trans_id) + self.patch(db, '_put_doc_if_newer', bomb_put_doc_if_newer) + remote_target = self.getSyncTarget('test') + other_changes = [] + + def receive_doc(doc, gen, trans_id): + other_changes.append( + (doc.doc_id, doc.rev, doc.get_json(), gen, trans_id)) + + doc1 = self.make_document('doc-here', 'replica:1', '{"value": "here"}') + doc2 = self.make_document('doc-here2', 'replica:1', + '{"value": "here2"}') + self.assertRaises( + errors.HTTPError, + remote_target.sync_exchange, + [(doc1, 10, 'T-sid'), (doc2, 11, 'T-sud')], + 'replica', last_known_generation=0, last_known_trans_id=None, + return_doc_cb=receive_doc) + self.assertGetDoc(db, 'doc-here', 'replica:1', '{"value": "here"}', + False) + self.assertEqual( + (10, 'T-sid'), db._get_replica_gen_and_trans_id('replica')) + self.assertEqual([], other_changes) + # retry + trigger_ids = [] + new_gen, trans_id = remote_target.sync_exchange( + [(doc2, 11, 'T-sud')], 'replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=receive_doc) + self.assertGetDoc(db, 'doc-here2', 'replica:1', '{"value": "here2"}', + False) + self.assertEqual( + (11, 'T-sud'), db._get_replica_gen_and_trans_id('replica')) + self.assertEqual(2, new_gen) + # bounced back to us + self.assertEqual( + ('doc-here', 'replica:1', '{"value": "here"}', 1), + other_changes[0][:-1]) + + def test_sync_exchange_in_stream_error(self): + self.startServer() + + def blackhole_getstderr(inst): + return cStringIO.StringIO() + + self.patch(self.server.RequestHandlerClass, 'get_stderr', + blackhole_getstderr) + db = self.request_state._create_database('test') + doc = db.create_doc_from_json('{"value": "there"}') + + def bomb_get_docs(doc_ids, check_for_conflicts=None, + include_deleted=False): + yield doc + # delayed failure case + raise errors.Unavailable + + self.patch(db, 'get_docs', bomb_get_docs) + remote_target = self.getSyncTarget('test') + other_changes = [] + + def receive_doc(doc, gen, trans_id): + other_changes.append( + (doc.doc_id, doc.rev, doc.get_json(), gen, trans_id)) + + self.assertRaises( + errors.Unavailable, remote_target.sync_exchange, [], 'replica', + last_known_generation=0, last_known_trans_id=None, + return_doc_cb=receive_doc) + self.assertEqual( + (doc.doc_id, doc.rev, '{"value": "there"}', 1), + other_changes[0][:-1]) + + def test_sync_exchange_receive(self): + self.startServer() + db = self.request_state._create_database('test') + doc = db.create_doc_from_json('{"value": "there"}') + remote_target = self.getSyncTarget('test') + other_changes = [] + + def receive_doc(doc, gen, trans_id): + other_changes.append( + (doc.doc_id, doc.rev, doc.get_json(), gen, trans_id)) + + new_gen, trans_id = remote_target.sync_exchange( + [], 'replica', last_known_generation=0, last_known_trans_id=None, + return_doc_cb=receive_doc) + self.assertEqual(1, new_gen) + self.assertEqual( + (doc.doc_id, doc.rev, '{"value": "there"}', 1), + other_changes[0][:-1]) + + def test_sync_exchange_send_ensure_callback(self): + self.startServer() + remote_target = self.getSyncTarget('test') + other_docs = [] + replica_uid_box = [] + + def receive_doc(doc): + other_docs.append((doc.doc_id, doc.rev, doc.get_json())) + + def ensure_cb(replica_uid): + replica_uid_box.append(replica_uid) + + doc = self.make_document('doc-here', 'replica:1', '{"value": "here"}') + new_gen, trans_id = remote_target.sync_exchange( + [(doc, 10, 'T-sid')], 'replica', last_known_generation=0, + last_known_trans_id=None, return_doc_cb=receive_doc, + ensure_callback=ensure_cb) + self.assertEqual(1, new_gen) + db = self.request_state.open_database('test') + self.assertEqual(1, len(replica_uid_box)) + self.assertEqual(db._replica_uid, replica_uid_box[0]) + self.assertGetDoc( + db, 'doc-here', 'replica:1', '{"value": "here"}', False) + + +load_tests = tests.load_with_scenarios |