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# -*- coding: utf-8 -*-
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# Authors: Natalia B. Bidart <nataliabidart@canonical.com>
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# Copyright 2010 Canonical Ltd.
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 3, as published
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# by the Free Software Foundation.
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranties of
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# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
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# PURPOSE. See the GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Tests for the package manager service."""
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# Unable to import 'defer', pylint: disable=F0401,E0611,W0404
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from aptdaemon import defer
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# Unable to import 'defer', pylint: disable=F0401,E0611,W0404
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from twisted.internet.defer import inlineCallbacks
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from ubuntuone.controlpanel.gui.gtk import package_manager
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from ubuntuone.controlpanel.tests import TestCase
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SUCCESS = package_manager.aptdaemon.enums.EXIT_SUCCESS
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FAILURE = package_manager.aptdaemon.enums.EXIT_FAILED
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class FakedPackage(object):
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def __init__(self, name=None, is_installed=False):
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self.is_installed = is_installed
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class FakedTransaction(object):
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"""Fake a transaction."""
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def __init__(self, packages, cache=None):
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self._signals = collections.defaultdict(list)
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self.packages = packages
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self.connect = lambda sig, f: self._signals[sig].append(f)
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if self._cache is not None:
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for package in self.packages:
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FAKED_CACHE[package].is_installed = True
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if self.failure is None:
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for listener in self._signals['finished']:
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class FakedClient(object):
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"""Fake an apt client."""
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def install_packages(self, packages_names, **kwargs):
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"""Install packages listed in 'package_names'.
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package_names - a list of package names
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wait - if True run the transaction immediately and return its exit
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state instead of the transaction itself.
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reply_handler - callback function. If specified in combination with
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error_handler the method will be called asynchrounsouly.
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error_handler - in case of an error the given callback gets the
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corresponding DBus exception instance
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if kwargs.get('wait', False):
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return package_manager.aptdaemon.enums.EXIT_FAILED
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d.callback(FakedTransaction(packages_names, cache=FAKED_CACHE))
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class PackageManagerTestCase(TestCase):
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"""Test for the package manager."""
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yield super(PackageManagerTestCase, self).setUp()
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FAKED_CACHE.clear() # clean cache
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self.patch(package_manager.apt, 'Cache', lambda: FAKED_CACHE)
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self.patch(package_manager.aptdaemon.client, 'AptClient', FakedClient)
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self.obj = package_manager.PackageManager()
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def test_is_installed(self):
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"""Check that a package is installed."""
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FAKED_CACHE[name] = FakedPackage(name, is_installed=True)
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result = self.obj.is_installed(name)
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self.assertTrue(result, 'must be installed')
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def test_is_not_installed(self):
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"""Check if a package is installed."""
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FAKED_CACHE[name] = FakedPackage(name) # not installed by default
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result = self.obj.is_installed(name)
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self.assertFalse(result, 'must not be installed')
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def test_is_not_installed_if_key_error(self):
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"""Check if a package is installed when cache raises KeyError."""
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name = 'test' # is not in the cache
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result = self.obj.is_installed(name)
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self.assertFalse(result, 'must not be installed')
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def test_progress_bar(self):
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"""The progress bar class is correct."""
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self.assertIsInstance(package_manager.PackageManagerProgressBar(),
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package_manager.AptProgressBar)
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@package_manager.inline_callbacks
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def test_install(self):
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"""Install is correct."""
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FAKED_CACHE[name] = FakedPackage(name) # not installed by default
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result = yield self.obj.install(name)
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self.assertIsInstance(result, FakedTransaction)
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self.assertFalse(result.was_run, 'transaction must not be run')
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@package_manager.inline_callbacks
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def test_transaction_install(self):
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"""Install is correct."""
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FAKED_CACHE[name] = FakedPackage(name) # not installed by default
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trans = yield self.obj.install(name)
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trans.connect('finished', self._set_called)
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self.assertEqual(self._called, ((trans, SUCCESS), {}))
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self.assertTrue(trans.was_run, 'transaction must be run')
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self.assertTrue(self.obj.is_installed(name))
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@package_manager.inline_callbacks
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def test_install_if_installed(self):
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"""Install does nothing is package is already installed."""
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FAKED_CACHE[name] = FakedPackage(name, is_installed=True)
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result = yield self.obj.install(name)
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self.assertEqual(result, SUCCESS)
added
removed
ubuntuone/controlpanel/gui/gtk/tests/test_package_manager.py
