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Diffstat (limited to 'u1db/tests/__init__.py')
| -rw-r--r-- | u1db/tests/__init__.py | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/u1db/tests/__init__.py b/u1db/tests/__init__.py deleted file mode 100644 index b8e16b15..00000000 --- a/u1db/tests/__init__.py +++ /dev/null @@ -1,463 +0,0 @@ -# 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/>. - -"""Test infrastructure for U1DB""" - -import copy -import shutil -import socket -import tempfile -import threading - -try: - import simplejson as json -except ImportError: - import json # noqa - -from wsgiref import simple_server - -from oauth import oauth -from sqlite3 import dbapi2 -from StringIO import StringIO - -import testscenarios -import testtools - -from u1db import ( - errors, - Document, - ) -from u1db.backends import ( - inmemory, - sqlite_backend, - ) -from u1db.remote import ( - server_state, - ) - -try: - from u1db.tests import c_backend_wrapper - c_backend_error = None -except ImportError, e: - c_backend_wrapper = None # noqa - c_backend_error = e - -# Setting this means that failing assertions will not include this module in -# their traceback. However testtools doesn't seem to set it, and we don't want -# this level to be omitted, but the lower levels to be shown. -# __unittest = 1 - - -class TestCase(testtools.TestCase): - - def createTempDir(self, prefix='u1db-tmp-'): - """Create a temporary directory to do some work in. - - This directory will be scheduled for cleanup when the test ends. - """ - tempdir = tempfile.mkdtemp(prefix=prefix) - self.addCleanup(shutil.rmtree, tempdir) - return tempdir - - def make_document(self, doc_id, doc_rev, content, has_conflicts=False): - return self.make_document_for_test( - self, doc_id, doc_rev, content, has_conflicts) - - def make_document_for_test(self, test, doc_id, doc_rev, content, - has_conflicts): - return make_document_for_test( - test, doc_id, doc_rev, content, has_conflicts) - - def assertGetDoc(self, db, doc_id, doc_rev, content, has_conflicts): - """Assert that the document in the database looks correct.""" - exp_doc = self.make_document(doc_id, doc_rev, content, - has_conflicts=has_conflicts) - self.assertEqual(exp_doc, db.get_doc(doc_id)) - - def assertGetDocIncludeDeleted(self, db, doc_id, doc_rev, content, - has_conflicts): - """Assert that the document in the database looks correct.""" - exp_doc = self.make_document(doc_id, doc_rev, content, - has_conflicts=has_conflicts) - self.assertEqual(exp_doc, db.get_doc(doc_id, include_deleted=True)) - - def assertGetDocConflicts(self, db, doc_id, conflicts): - """Assert what conflicts are stored for a given doc_id. - - :param conflicts: A list of (doc_rev, content) pairs. - The first item must match the first item returned from the - database, however the rest can be returned in any order. - """ - if conflicts: - conflicts = [(rev, (json.loads(cont) if isinstance(cont, basestring) - else cont)) for (rev, cont) in conflicts] - conflicts = conflicts[:1] + sorted(conflicts[1:]) - actual = db.get_doc_conflicts(doc_id) - if actual: - actual = [(doc.rev, (json.loads(doc.get_json()) - if doc.get_json() is not None else None)) for doc in actual] - actual = actual[:1] + sorted(actual[1:]) - self.assertEqual(conflicts, actual) - - -def multiply_scenarios(a_scenarios, b_scenarios): - """Create the cross-product of scenarios.""" - - all_scenarios = [] - for a_name, a_attrs in a_scenarios: - for b_name, b_attrs in b_scenarios: - name = '%s,%s' % (a_name, b_name) - attrs = dict(a_attrs) - attrs.update(b_attrs) - all_scenarios.append((name, attrs)) - return all_scenarios - - -simple_doc = '{"key": "value"}' -nested_doc = '{"key": "value", "sub": {"doc": "underneath"}}' - - -def make_memory_database_for_test(test, replica_uid): - return inmemory.InMemoryDatabase(replica_uid) - - -def copy_memory_database_for_test(test, db): - # DO NOT COPY OR REUSE THIS CODE OUTSIDE TESTS: COPYING U1DB DATABASES IS - # THE WRONG THING TO DO, THE ONLY REASON WE DO SO HERE IS TO TEST THAT WE - # CORRECTLY DETECT IT HAPPENING SO THAT WE CAN RAISE ERRORS RATHER THAN - # CORRUPT USER DATA. USE SYNC INSTEAD, OR WE WILL SEND NINJA TO YOUR - # HOUSE. - new_db = inmemory.InMemoryDatabase(db._replica_uid) - new_db._transaction_log = db._transaction_log[:] - new_db._docs = copy.deepcopy(db._docs) - new_db._conflicts = copy.deepcopy(db._conflicts) - new_db._indexes = copy.deepcopy(db._indexes) - new_db._factory = db._factory - return new_db - - -def make_sqlite_partial_expanded_for_test(test, replica_uid): - db = sqlite_backend.SQLitePartialExpandDatabase(':memory:') - db._set_replica_uid(replica_uid) - return db - - -def copy_sqlite_partial_expanded_for_test(test, db): - # DO NOT COPY OR REUSE THIS CODE OUTSIDE TESTS: COPYING U1DB DATABASES IS - # THE WRONG THING TO DO, THE ONLY REASON WE DO SO HERE IS TO TEST THAT WE - # CORRECTLY DETECT IT HAPPENING SO THAT WE CAN RAISE ERRORS RATHER THAN - # CORRUPT USER DATA. USE SYNC INSTEAD, OR WE WILL SEND NINJA TO YOUR - # HOUSE. - new_db = sqlite_backend.SQLitePartialExpandDatabase(':memory:') - tmpfile = StringIO() - for line in db._db_handle.iterdump(): - if not 'sqlite_sequence' in line: # work around bug in iterdump - tmpfile.write('%s\n' % line) - tmpfile.seek(0) - new_db._db_handle = dbapi2.connect(':memory:') - new_db._db_handle.cursor().executescript(tmpfile.read()) - new_db._db_handle.commit() - new_db._set_replica_uid(db._replica_uid) - new_db._factory = db._factory - return new_db - - -def make_document_for_test(test, doc_id, rev, content, has_conflicts=False): - return Document(doc_id, rev, content, has_conflicts=has_conflicts) - - -def make_c_database_for_test(test, replica_uid): - if c_backend_wrapper is None: - test.skipTest('c_backend_wrapper is not available') - db = c_backend_wrapper.CDatabase(':memory:') - db._set_replica_uid(replica_uid) - return db - - -def copy_c_database_for_test(test, db): - # DO NOT COPY OR REUSE THIS CODE OUTSIDE TESTS: COPYING U1DB DATABASES IS - # THE WRONG THING TO DO, THE ONLY REASON WE DO SO HERE IS TO TEST THAT WE - # CORRECTLY DETECT IT HAPPENING SO THAT WE CAN RAISE ERRORS RATHER THAN - # CORRUPT USER DATA. USE SYNC INSTEAD, OR WE WILL SEND NINJA TO YOUR - # HOUSE. - if c_backend_wrapper is None: - test.skipTest('c_backend_wrapper is not available') - new_db = db._copy(db) - return new_db - - -def make_c_document_for_test(test, doc_id, rev, content, has_conflicts=False): - if c_backend_wrapper is None: - test.skipTest('c_backend_wrapper is not available') - return c_backend_wrapper.make_document( - doc_id, rev, content, has_conflicts=has_conflicts) - - -LOCAL_DATABASES_SCENARIOS = [ - ('mem', {'make_database_for_test': make_memory_database_for_test, - 'copy_database_for_test': copy_memory_database_for_test, - 'make_document_for_test': make_document_for_test}), - ('sql', {'make_database_for_test': - make_sqlite_partial_expanded_for_test, - 'copy_database_for_test': - copy_sqlite_partial_expanded_for_test, - 'make_document_for_test': make_document_for_test}), - ] - - -C_DATABASE_SCENARIOS = [ - ('c', {'make_database_for_test': make_c_database_for_test, - 'copy_database_for_test': copy_c_database_for_test, - 'make_document_for_test': make_c_document_for_test})] - - -class DatabaseBaseTests(TestCase): - - accept_fixed_trans_id = False # set to True assertTransactionLog - # is happy with all trans ids = '' - - scenarios = LOCAL_DATABASES_SCENARIOS - - def create_database(self, replica_uid): - return self.make_database_for_test(self, replica_uid) - - def copy_database(self, db): - # DO NOT COPY OR REUSE THIS CODE OUTSIDE TESTS: COPYING U1DB DATABASES - # IS THE WRONG THING TO DO, THE ONLY REASON WE DO SO HERE IS TO TEST - # THAT WE CORRECTLY DETECT IT HAPPENING SO THAT WE CAN RAISE ERRORS - # RATHER THAN CORRUPT USER DATA. USE SYNC INSTEAD, OR WE WILL SEND - # NINJA TO YOUR HOUSE. - return self.copy_database_for_test(self, db) - - def setUp(self): - super(DatabaseBaseTests, self).setUp() - self.db = self.create_database('test') - - def tearDown(self): - # TODO: Add close_database parameterization - # self.close_database(self.db) - super(DatabaseBaseTests, self).tearDown() - - def assertTransactionLog(self, doc_ids, db): - """Assert that the given docs are in the transaction log.""" - log = db._get_transaction_log() - just_ids = [] - seen_transactions = set() - for doc_id, transaction_id in log: - just_ids.append(doc_id) - self.assertIsNot(None, transaction_id, - "Transaction id should not be None") - if transaction_id == '' and self.accept_fixed_trans_id: - continue - self.assertNotEqual('', transaction_id, - "Transaction id should be a unique string") - self.assertTrue(transaction_id.startswith('T-')) - self.assertNotIn(transaction_id, seen_transactions) - seen_transactions.add(transaction_id) - self.assertEqual(doc_ids, just_ids) - - def getLastTransId(self, db): - """Return the transaction id for the last database update.""" - return self.db._get_transaction_log()[-1][-1] - - -class ServerStateForTests(server_state.ServerState): - """Used in the test suite, so we don't have to touch disk, etc.""" - - def __init__(self): - super(ServerStateForTests, self).__init__() - self._dbs = {} - - def open_database(self, path): - try: - return self._dbs[path] - except KeyError: - raise errors.DatabaseDoesNotExist - - def check_database(self, path): - # cares only about the possible exception - self.open_database(path) - - def ensure_database(self, path): - try: - db = self.open_database(path) - except errors.DatabaseDoesNotExist: - db = self._create_database(path) - return db, db._replica_uid - - def _copy_database(self, db): - # DO NOT COPY OR REUSE THIS CODE OUTSIDE TESTS: COPYING U1DB DATABASES - # IS THE WRONG THING TO DO, THE ONLY REASON WE DO SO HERE IS TO TEST - # THAT WE CORRECTLY DETECT IT HAPPENING SO THAT WE CAN RAISE ERRORS - # RATHER THAN CORRUPT USER DATA. USE SYNC INSTEAD, OR WE WILL SEND - # NINJA TO YOUR HOUSE. - new_db = copy_memory_database_for_test(None, db) - path = db._replica_uid - while path in self._dbs: - path += 'copy' - self._dbs[path] = new_db - return new_db - - def _create_database(self, path): - db = inmemory.InMemoryDatabase(path) - self._dbs[path] = db - return db - - def delete_database(self, path): - del self._dbs[path] - - -class ResponderForTests(object): - """Responder for tests.""" - _started = False - sent_response = False - status = None - - def start_response(self, status='success', **kwargs): - self._started = True - self.status = status - self.kwargs = kwargs - - def send_response(self, status='success', **kwargs): - self.start_response(status, **kwargs) - self.finish_response() - - def finish_response(self): - self.sent_response = True - - -class TestCaseWithServer(TestCase): - - @staticmethod - def server_def(): - # hook point - # should return (ServerClass, "shutdown method name", "url_scheme") - class _RequestHandler(simple_server.WSGIRequestHandler): - def log_request(*args): - pass # suppress - - def make_server(host_port, application): - assert application, "forgot to override make_app(_with_state)?" - srv = simple_server.WSGIServer(host_port, _RequestHandler) - # patch the value in if it's None - if getattr(application, 'base_url', 1) is None: - application.base_url = "http://%s:%s" % srv.server_address - srv.set_app(application) - return srv - - return make_server, "shutdown", "http" - - @staticmethod - def make_app_with_state(state): - # hook point - return None - - def make_app(self): - # potential hook point - self.request_state = ServerStateForTests() - return self.make_app_with_state(self.request_state) - - def setUp(self): - super(TestCaseWithServer, self).setUp() - self.server = self.server_thread = None - - @property - def url_scheme(self): - return self.server_def()[-1] - - def startServer(self): - server_def = self.server_def() - server_class, shutdown_meth, _ = server_def - application = self.make_app() - self.server = server_class(('127.0.0.1', 0), application) - self.server_thread = threading.Thread(target=self.server.serve_forever, - kwargs=dict(poll_interval=0.01)) - self.server_thread.start() - self.addCleanup(self.server_thread.join) - self.addCleanup(getattr(self.server, shutdown_meth)) - - def getURL(self, path=None): - host, port = self.server.server_address - if path is None: - path = '' - return '%s://%s:%s/%s' % (self.url_scheme, host, port, path) - - -def socket_pair(): - """Return a pair of TCP sockets connected to each other. - - Unlike socket.socketpair, this should work on Windows. - """ - sock_pair = getattr(socket, 'socket_pair', None) - if sock_pair: - return sock_pair(socket.AF_INET, socket.SOCK_STREAM) - listen_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - listen_sock.bind(('127.0.0.1', 0)) - listen_sock.listen(1) - client_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - client_sock.connect(listen_sock.getsockname()) - server_sock, addr = listen_sock.accept() - listen_sock.close() - return server_sock, client_sock - - -# OAuth related testing - -consumer1 = oauth.OAuthConsumer('K1', 'S1') -token1 = oauth.OAuthToken('kkkk1', 'XYZ') -consumer2 = oauth.OAuthConsumer('K2', 'S2') -token2 = oauth.OAuthToken('kkkk2', 'ZYX') -token3 = oauth.OAuthToken('kkkk3', 'ZYX') - - -class TestingOAuthDataStore(oauth.OAuthDataStore): - """In memory predefined OAuthDataStore for testing.""" - - consumers = { - consumer1.key: consumer1, - consumer2.key: consumer2, - } - - tokens = { - token1.key: token1, - token2.key: token2 - } - - def lookup_consumer(self, key): - return self.consumers.get(key) - - def lookup_token(self, token_type, token_token): - return self.tokens.get(token_token) - - def lookup_nonce(self, oauth_consumer, oauth_token, nonce): - return None - -testingOAuthStore = TestingOAuthDataStore() - -sign_meth_HMAC_SHA1 = oauth.OAuthSignatureMethod_HMAC_SHA1() -sign_meth_PLAINTEXT = oauth.OAuthSignatureMethod_PLAINTEXT() - - -def load_with_scenarios(loader, standard_tests, pattern): - """Load the tests in a given module. - - This just applies testscenarios.generate_scenarios to all the tests that - are present. We do it at load time rather than at run time, because it - plays nicer with various tools. - """ - suite = loader.suiteClass() - suite.addTests(testscenarios.generate_scenarios(standard_tests)) - return suite |