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# Copyright 2011 Lars Wirzenius
#
# 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/>.
import unittest
import bgproc
requests = []
def callback(request):
requests.append(request)
return len(requests)
class BackgroundProcessingTests(unittest.TestCase):
def setUp(self):
del requests[:]
self.bg = bgproc.BackgroundProcessing(callback)
def test_no_pending_requests_initially(self):
self.assertEqual(self.bg.pending_requests, 0)
def test_wait_for_results_returns_false_initially(self):
self.assertEqual(self.bg.wait_for_results(), False)
def test_iterates_to_empty_list_initially(self):
self.assertEqual(list(self.bg), [])
def test_enqueue_increments_pending_requests(self):
self.bg.enqueue_request(0)
self.assertEqual(self.bg.pending_requests, 1)
def test_processes_stuff(self):
self.bg.enqueue_request(0)
self.assertEqual(self.bg.wait_for_results(), True)
self.assertEqual(list(self.bg), [1])
self.assertEqual(list(self.bg), [])
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