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# plugin_tests.py - unit tests for plugin.py
# Copyright (C) 2008 Canonical, Ltd.
#
# 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, version 3 of the License.
#
# 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/>.
import os
import tempfile
import unittest
import cruftremover
class PluginTests(unittest.TestCase):
def testGetCruftRaisesException(self):
p = cruftremover.Plugin()
self.assertRaises(cruftremover.UnimplementedMethod, p.get_cruft)
def testPostCleanupReturnsNone(self):
p = cruftremover.Plugin()
self.assertEqual(p.post_cleanup(), None)
def testDoesNotHaveAppAttributeByDefault(self):
p = cruftremover.Plugin()
self.assertFalse(hasattr(p, "app"))
def testSetApplicationSetsApp(self):
p = cruftremover.Plugin()
p.set_application("foo")
self.assertEqual(p.app, "foo")
class PluginManagerTests(unittest.TestCase):
def testFindsNoPluginsInEmptyDirectory(self):
tempdir = tempfile.mkdtemp()
pm = cruftremover.PluginManager(None, [tempdir])
plugins = pm.get_plugins()
os.rmdir(tempdir)
self.assertEqual(plugins, [])
def testFindsOnePluginFileInTestPluginDirectory(self):
pm = cruftremover.PluginManager(None, ["testplugins"])
self.assertEqual(pm.get_plugin_files(),
["testplugins/hello_plugin.py"])
def testFindsOnePluginInTestPluginDirectory(self):
pm = cruftremover.PluginManager(None, ["testplugins"])
self.assertEqual(len(pm.get_plugins()), 1)
def testFindPluginsSetsApplicationInPluginsFound(self):
pm = cruftremover.PluginManager("foo", ["testplugins"])
self.assertEqual(pm.get_plugins()[0].app, "foo")
def callback(self, filename, index, count):
self.callback_called = True
def testCallsCallbackWhenFindingPlugins(self):
pm = cruftremover.PluginManager(None, ["testplugins"])
self.callback_called = False
pm.get_plugins(callback=self.callback)
self.assert_(self.callback_called)
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