[test] toxify tests

1 files changed, 203 insertions, 0 deletions

diff --git a/tests/events/test_events.py b/tests/events/test_events.py
new file mode 100644
index 0000000..d8435c6
--- /dev/null
+++ b/tests/events/test_events.py
@@ -0,0 +1,203 @@
+# -*- coding: utf-8 -*-
+# test_events.py
+# Copyright (C) 2013 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 the events framework
+"""
+import os
+import logging
+
+from twisted.internet.reactor import callFromThread
+from twisted.trial import unittest
+from twisted.internet import defer
+
+from txzmq import ZmqFactory
+
+from leap.common.events import server
+from leap.common.events import client
+from leap.common.events import flags
+from leap.common.events import txclient
+from leap.common.events import catalog
+from leap.common.events.errors import CallbackAlreadyRegisteredError
+
+
+if 'DEBUG' in os.environ:
+    logging.basicConfig(level=logging.DEBUG)
+
+
+class EventsGenericClientTestCase(object):
+
+    def setUp(self):
+        flags.set_events_enabled(True)
+        self.factory = ZmqFactory()
+        self._server = server.ensure_server(
+            emit_addr="tcp://127.0.0.1:0",
+            reg_addr="tcp://127.0.0.1:0",
+            factory=self.factory,
+            enable_curve=False)
+
+        self._client.configure_client(
+            emit_addr="tcp://127.0.0.1:%d" % self._server.pull_port,
+            reg_addr="tcp://127.0.0.1:%d" % self._server.pub_port,
+            factory=self.factory, enable_curve=False)
+
+    def tearDown(self):
+        flags.set_events_enabled(False)
+        self.factory.shutdown()
+        self._client.instance().reset()
+
+    def test_client_register(self):
+        """
+        Ensure clients can register callbacks.
+        """
+        callbacks = self._client.instance().callbacks
+        self.assertTrue(len(callbacks) == 0,
+                        'There should be no callback for this event.')
+        # register one event
+        event1 = catalog.CLIENT_UID
+
+        def cbk1(event, _):
+            return True
+
+        uid1 = self._client.register(event1, cbk1)
+        # assert for correct registration
+        self.assertTrue(len(callbacks) == 1)
+        self.assertTrue(callbacks[event1][uid1] == cbk1,
+                        'Could not register event in local client.')
+        # register another event
+        event2 = catalog.CLIENT_SESSION_ID
+
+        def cbk2(event, _):
+            return True
+
+        uid2 = self._client.register(event2, cbk2)
+        # assert for correct registration
+        self.assertTrue(len(callbacks) == 2)
+        self.assertTrue(callbacks[event2][uid2] == cbk2,
+                        'Could not register event in local client.')
+
+    def test_register_signal_replace(self):
+        """
+        Make sure clients can replace already registered callbacks.
+        """
+        event = catalog.CLIENT_UID
+        d = defer.Deferred()
+
+        def cbk_fail(event, _):
+            return callFromThread(d.errback, event)
+
+        def cbk_succeed(event, _):
+            return callFromThread(d.callback, event)
+
+        self._client.register(event, cbk_fail, uid=1)
+        self._client.register(event, cbk_succeed, uid=1, replace=True)
+        self._client.emit(event, None)
+        return d
+
+    def test_register_signal_replace_fails_when_replace_is_false(self):
+        """
+        Make sure clients trying to replace already registered callbacks fail
+        when replace=False
+        """
+        event = catalog.CLIENT_UID
+        self._client.register(event, lambda event, _: None, uid=1)
+        self.assertRaises(
+            CallbackAlreadyRegisteredError,
+            self._client.register,
+            event, lambda event, _: None, uid=1, replace=False)
+
+    def test_register_more_than_one_callback_works(self):
+        """
+        Make sure clients can replace already registered callbacks.
+        """
+        event = catalog.CLIENT_UID
+        d1 = defer.Deferred()
+
+        def cbk1(event, _):
+            return callFromThread(d1.callback, event)
+
+        d2 = defer.Deferred()
+
+        def cbk2(event, _):
+            return d2.callback(event)
+
+        self._client.register(event, cbk1)
+        self._client.register(event, cbk2)
+        self._client.emit(event, None)
+        d = defer.gatherResults([d1, d2])
+        return d
+
+    def test_client_receives_signal(self):
+        """
+        Ensure clients can receive signals.
+        """
+        event = catalog.CLIENT_UID
+        d = defer.Deferred()
+
+        def cbk(events, _):
+            callFromThread(d.callback, event)
+
+        self._client.register(event, cbk)
+        self._client.emit(event, None)
+        return d
+
+    def test_client_unregister_all(self):
+        """
+        Test that the client can unregister all events for one signal.
+        """
+        event1 = catalog.CLIENT_UID
+        d = defer.Deferred()
+        # register more than one callback for the same event
+        self._client.register(
+            event1, lambda ev, _: callFromThread(d.errback, None))
+        self._client.register(
+            event1, lambda ev, _: callFromThread(d.errback, None))
+        # unregister and emit the event
+        self._client.unregister(event1)
+        self._client.emit(event1, None)
+        # register and emit another event so the deferred can succeed
+        event2 = catalog.CLIENT_SESSION_ID
+        self._client.register(
+            event2, lambda ev, _: callFromThread(d.callback, None))
+        self._client.emit(event2, None)
+        return d
+
+    def test_client_unregister_by_uid(self):
+        """
+        Test that the client can unregister an event by uid.
+        """
+        event = catalog.CLIENT_UID
+        d = defer.Deferred()
+        # register one callback that would fail
+        uid = self._client.register(
+            event, lambda ev, _: callFromThread(d.errback, None))
+        # register one callback that will succeed
+        self._client.register(
+            event, lambda ev, _: callFromThread(d.callback, None))
+        # unregister by uid and emit the event
+        self._client.unregister(event, uid=uid)
+        self._client.emit(event, None)
+        return d
+
+
+class EventsTxClientTestCase(EventsGenericClientTestCase, unittest.TestCase):
+
+    _client = txclient
+
+
+class EventsClientTestCase(EventsGenericClientTestCase, unittest.TestCase):
+
+    _client = client