1 files changed, 249 insertions, 0 deletions
diff --git a/testing/tests/perf/conftest.py b/testing/tests/perf/conftest.py
new file mode 100644
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+++ b/testing/tests/perf/conftest.py
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+import json
+import os
+import pytest
+import requests
+import random
+import base64
+import signal
+import time
+
+from hashlib import sha512
+from uuid import uuid4
+from subprocess import call
+from urlparse import urljoin
+from twisted.internet import threads, reactor
+
+from leap.soledad.client import Soledad
+from leap.soledad.common.couch import CouchDatabase
+
+
+# we have to manually setup the events server in order to be able to signal
+# events. This is usually done by the enclosing application using soledad
+# client (i.e. bitmask client).
+from leap.common.events import server
+server.ensure_server()
+
+
+def pytest_addoption(parser):
+    parser.addoption(
+        "--couch-url", type="string", default="http://127.0.0.1:5984",
+        help="the url for the couch server to be used during tests")
+    parser.addoption(
+        "--num-docs", type="int", default=100,
+        help="the number of documents to use in performance tests")
+
+
+#
+# default options for all tests
+#
+
+DEFAULT_PASSPHRASE = '123'
+
+DEFAULT_URL = 'http://127.0.0.1:2424'
+DEFAULT_PRIVKEY = 'soledad_privkey.pem'
+DEFAULT_CERTKEY = 'soledad_certkey.pem'
+DEFAULT_TOKEN = 'an-auth-token'
+
+
+@pytest.fixture()
+def payload():
+    def generate(size):
+        random.seed(1337)  # same seed to avoid different bench results
+        payload_bytes = bytearray(random.getrandbits(8) for _ in xrange(size))
+        # encode as base64 to avoid ascii encode/decode errors
+        return base64.b64encode(payload_bytes)[:size]  # remove b64 overhead
+    return generate
+
+
+#
+# soledad_dbs fixture: provides all databases needed by soledad server in a per
+# module scope (same databases for all tests in this module).
+#
+
+def _token_dbname():
+    dbname = 'tokens_' + \
+        str(int(time.time() / (30 * 24 * 3600)))
+    return dbname
+
+
+class SoledadDatabases(object):
+
+    def __init__(self, url):
+        self._token_db_url = urljoin(url, _token_dbname())
+        self._shared_db_url = urljoin(url, 'shared')
+
+    def setup(self, uuid):
+        self._create_dbs()
+        self._add_token(uuid)
+
+    def _create_dbs(self):
+        requests.put(self._token_db_url)
+        requests.put(self._shared_db_url)
+
+    def _add_token(self, uuid):
+        token = sha512(DEFAULT_TOKEN).hexdigest()
+        content = {'type': 'Token', 'user_id': uuid}
+        requests.put(
+            self._token_db_url + '/' + token, data=json.dumps(content))
+
+    def teardown(self):
+        requests.delete(self._token_db_url)
+        requests.delete(self._shared_db_url)
+
+
+@pytest.fixture()
+def soledad_dbs(request):
+    couch_url = request.config.option.couch_url
+
+    def create(uuid):
+        db = SoledadDatabases(couch_url)
+        request.addfinalizer(db.teardown)
+        return db.setup(uuid)
+    return create
+
+
+#
+# remote_db fixture: provides an empty database for a given user in a per
+# function scope.
+#
+
+class UserDatabase(object):
+
+    def __init__(self, url, uuid):
+        self._remote_db_url = urljoin(url, 'user-%s' % uuid)
+
+    def setup(self):
+        return CouchDatabase.open_database(
+            url=self._remote_db_url, create=True, replica_uid=None)
+
+    def teardown(self):
+        requests.delete(self._remote_db_url)
+
+
+@pytest.fixture()
+def remote_db(request):
+    couch_url = request.config.option.couch_url
+
+    def create(uuid):
+        db = UserDatabase(couch_url, uuid)
+        request.addfinalizer(db.teardown)
+        return db.setup()
+    return create
+
+
+def get_pid(pidfile):
+    if not os.path.isfile(pidfile):
+        return 0
+    try:
+        with open(pidfile) as f:
+            return int(f.read())
+    except IOError:
+        return 0
+
+
+#
+# soledad_server fixture: provides a running soledad server in a per module
+# context (same soledad server for all tests in this module).
+#
+
+class SoledadServer(object):
+
+    def __init__(self, tmpdir_factory, couch_url):
+        tmpdir = tmpdir_factory.mktemp('soledad-server')
+        self._pidfile = os.path.join(tmpdir.strpath, 'soledad-server.pid')
+        self._logfile = os.path.join(tmpdir.strpath, 'soledad-server.log')
+        self._couch_url = couch_url
+
+    def start(self):
+        self._create_conf_file()
+        # start the server
+        call([
+            'twistd',
+            '--logfile=%s' % self._logfile,
+            '--pidfile=%s' % self._pidfile,
+            'web',
+            '--wsgi=leap.soledad.server.application',
+            '--port=2424'
+        ])
+
+    def _create_conf_file(self):
+        if not os.access('/etc', os.W_OK):
+            return
+        if not os.path.isdir('/etc/soledad'):
+            os.mkdir('/etc/soledad')
+        with open('/etc/soledad/soledad-server.conf', 'w') as f:
+            content = '[soledad-server]\ncouch_url = %s' % self._couch_url
+            f.write(content)
+
+    def stop(self):
+        pid = get_pid(self._pidfile)
+        os.kill(pid, signal.SIGKILL)
+
+
+@pytest.fixture(scope='module')
+def soledad_server(tmpdir_factory, request):
+    couch_url = request.config.option.couch_url
+    server = SoledadServer(tmpdir_factory, couch_url)
+    server.start()
+    request.addfinalizer(server.stop)
+    return server
+
+
+@pytest.fixture()
+def txbenchmark(benchmark):
+    def blockOnThread(*args, **kwargs):
+        return threads.deferToThread(
+            benchmark, threads.blockingCallFromThread,
+            reactor, *args, **kwargs)
+    return blockOnThread
+
+
+@pytest.fixture()
+def txbenchmark_with_setup(benchmark):
+    def blockOnThreadWithSetup(setup, f):
+        def blocking_runner(*args, **kwargs):
+            return threads.blockingCallFromThread(reactor, f, *args, **kwargs)
+
+        def blocking_setup():
+            args = threads.blockingCallFromThread(reactor, setup)
+            try:
+                return tuple(arg for arg in args), {}
+            except TypeError:
+                    return ((args,), {}) if args else None
+
+        def bench():
+            return benchmark.pedantic(blocking_runner, setup=blocking_setup,
+                                      rounds=4, warmup_rounds=1)
+        return threads.deferToThread(bench)
+    return blockOnThreadWithSetup
+
+
+#
+# soledad_client fixture: provides a clean soledad client for a test function.
+#
+
+@pytest.fixture()
+def soledad_client(tmpdir, soledad_server, remote_db, soledad_dbs, request):
+    passphrase = DEFAULT_PASSPHRASE
+    server_url = DEFAULT_URL
+    token = DEFAULT_TOKEN
+    default_uuid = uuid4().hex
+    remote_db(default_uuid)
+    soledad_dbs(default_uuid)
+
+    # get a soledad instance
+    def create():
+        secrets_path = os.path.join(tmpdir.strpath, '%s.secret' % uuid4().hex)
+        local_db_path = os.path.join(tmpdir.strpath, '%s.db' % uuid4().hex)
+        soledad_client = Soledad(
+            default_uuid,
+            unicode(passphrase),
+            secrets_path=secrets_path,
+            local_db_path=local_db_path,
+            server_url=server_url,
+            cert_file=None,
+            auth_token=token,
+            defer_encryption=True)
+        request.addfinalizer(soledad_client.close)
+        return soledad_client
+    return create