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# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of logilab-common.
#
# logilab-common is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option) any
# later version.
#
# logilab-common 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with logilab-common. If not, see <http://www.gnu.org/licenses/>.
from logilab.common.testlib import TestCase, unittest_main
from logilab.common.tasksqueue import Task, PrioritizedTasksQueue, LOW, MEDIUM, HIGH
class TaskTC(TestCase):
def test_eq(self):
self.assertFalse(Task("t1") == Task("t2"))
self.assertTrue(Task("t1") == Task("t1"))
def test_cmp(self):
self.assertTrue(Task("t1", LOW) < Task("t2", MEDIUM))
self.assertFalse(Task("t1", LOW) > Task("t2", MEDIUM))
self.assertTrue(Task("t1", HIGH) > Task("t2", MEDIUM))
self.assertFalse(Task("t1", HIGH) < Task("t2", MEDIUM))
class PrioritizedTasksQueueTC(TestCase):
def test_priority(self):
queue = PrioritizedTasksQueue()
queue.put(Task("t1"))
queue.put(Task("t2", MEDIUM))
queue.put(Task("t3", HIGH))
queue.put(Task("t4", LOW))
self.assertEqual(queue.get().id, "t3")
self.assertEqual(queue.get().id, "t2")
self.assertEqual(queue.get().id, "t1")
self.assertEqual(queue.get().id, "t4")
def test_remove_equivalent(self):
queue = PrioritizedTasksQueue()
queue.put(Task("t1"))
queue.put(Task("t2", MEDIUM))
queue.put(Task("t1", HIGH))
queue.put(Task("t3", MEDIUM))
queue.put(Task("t2", MEDIUM))
self.assertEqual(queue.qsize(), 3)
self.assertEqual(queue.get().id, "t1")
self.assertEqual(queue.get().id, "t2")
self.assertEqual(queue.get().id, "t3")
self.assertEqual(queue.qsize(), 0)
def test_remove(self):
queue = PrioritizedTasksQueue()
queue.put(Task("t1"))
queue.put(Task("t2"))
queue.put(Task("t3"))
queue.remove("t2")
self.assertEqual([t.id for t in queue], ["t3", "t1"])
self.assertRaises(ValueError, queue.remove, "t4")
if __name__ == "__main__":
unittest_main()
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