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-rw-r--r--tests/u1db_tests/test_remote_sync_target.py316
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diff --git a/tests/u1db_tests/test_remote_sync_target.py b/tests/u1db_tests/test_remote_sync_target.py
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+# 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