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# Copyright 2012 Canonical Ltd. This software is licensed under the
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# GNU Affero General Public License version 3 (see the file LICENSE).
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"""Tests for the Avahi export of MAAS."""
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from __future__ import (
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from collections import defaultdict
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import maasserver.maasavahi
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from maasserver.maasavahi import (
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setup_maas_avahi_service,
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from maasserver.models import Config
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from maastesting.djangotestcase import DjangoTestCase
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class MockZeroconfServiceFactory:
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"""Factory used to track usage of the zeroconfservice module.
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An instance is meant to be patched as
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maasserver.maasavahi.ZeroconfService. It will register instances
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created, as well as the parameters and methods called on each instance.
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def __call__(self, *args, **kwargs):
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mock = MockZeroconfService(*args, **kwargs)
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self.instances.append(mock)
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class MockZeroconfService:
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def __init__(self, name, port, stype):
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self.calls.append('publish')
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self.calls.append('unpublish')
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class TestMAASAvahiService(DjangoTestCase):
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def setup_mock_avahi(self):
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# Unregister other signals from Config, otherwise
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# the one registered in urls.py, will interfere with these tests
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Config.objects, '_config_changed_connections', defaultdict(set))
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mock_avahi = MockZeroconfServiceFactory()
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maasserver.maasavahi, 'ZeroconfService', mock_avahi)
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def test_publish_exports_name_over_avahi(self):
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mock_avahi = self.setup_mock_avahi()
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service = MAASAvahiService()
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Config.objects.set_config('maas_name', 'My Test')
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# One ZeroconfService should have been created
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self.assertEquals(1, len(mock_avahi.instances))
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zeroconf = mock_avahi.instances[0]
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self.assertEquals('My Test MAAS Server', zeroconf.name)
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self.assertEquals(80, zeroconf.port)
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self.assertEquals('_maas._tcp', zeroconf.stype)
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self.assertEquals(['publish'], zeroconf.calls)
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def test_publish_twice_unpublishes_first(self):
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mock_avahi = self.setup_mock_avahi()
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service = MAASAvahiService()
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Config.objects.set_config('maas_name', 'My Test')
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# Two ZeroconfService should have been created. The first
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# should have been published, and unpublished,
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# while the second one should have one publish call.
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self.assertEquals(2, len(mock_avahi.instances))
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['publish', 'unpublish'], mock_avahi.instances[0].calls)
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['publish'], mock_avahi.instances[1].calls)
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def test_setup_maas_avahi_service(self):
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mock_avahi = self.setup_mock_avahi()
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Config.objects.set_config('maas_name', 'First Name')
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setup_maas_avahi_service()
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# Name should have been published.
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self.assertEquals(1, len(mock_avahi.instances))
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'First Name MAAS Server', mock_avahi.instances[0].name)
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Config.objects.set_config('maas_name', 'Second Name')
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# A new publication should have occured.
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self.assertEquals(2, len(mock_avahi.instances))
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'Second Name MAAS Server', mock_avahi.instances[1].name)
added
removed
src/maasserver/tests/test_maasavahi.py
