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import os
import time
import unittest
from test.podman_testcase import PodmanTestCase
import podman
from podman import datetime_parse
class TestContainers(PodmanTestCase):
@classmethod
def setUpClass(cls):
super().setUpClass()
@classmethod
def tearDownClass(cls):
super().tearDownClass()
def setUp(self):
self.tmpdir = os.environ['TMPDIR']
self.host = os.environ['PODMAN_HOST']
self.pclient = podman.Client(self.host)
self.ctns = self.loadCache()
# TODO: Change to start() when Implemented
self.alpine_ctnr.restart()
def tearDown(self):
pass
def loadCache(self):
with podman.Client(self.host) as pclient:
self.ctns = list(pclient.containers.list())
self.alpine_ctnr = next(
iter([c for c in self.ctns if 'alpine' in c['image']] or []), None)
return self.ctns
def test_list(self):
actual = self.loadCache()
self.assertGreaterEqual(len(actual), 2)
self.assertIsNotNone(self.alpine_ctnr)
self.assertIn('alpine', self.alpine_ctnr.image)
def test_delete_stopped(self):
before = self.loadCache()
self.assertEqual(self.alpine_ctnr.id, self.alpine_ctnr.stop())
actual = self.pclient.containers.delete_stopped()
self.assertIn(self.alpine_ctnr.id, actual)
after = self.loadCache()
self.assertLess(len(after), len(before))
TestContainers.setUpClass()
self.loadCache()
@unittest.skip('TODO: Reinstate with create PR')
def test_create(self):
with self.assertRaisesNotImplemented():
self.pclient.containers.create()
def test_get(self):
actual = self.pclient.containers.get(self.alpine_ctnr.id)
for k in ['id', 'status', 'ports']:
self.assertEqual(actual[k], self.alpine_ctnr[k])
with self.assertRaises(podman.ContainerNotFound):
self.pclient.containers.get("bozo")
def test_attach(self):
with self.assertRaisesNotImplemented():
self.alpine_ctnr.attach()
def test_processes(self):
actual = list(self.alpine_ctnr.processes())
self.assertGreaterEqual(len(actual), 2)
def test_start_stop_wait(self):
self.assertEqual(self.alpine_ctnr.id, self.alpine_ctnr.stop())
self.alpine_ctnr.refresh()
self.assertFalse(self.alpine_ctnr['running'])
self.assertEqual(self.alpine_ctnr.id, self.alpine_ctnr.restart())
self.alpine_ctnr.refresh()
self.assertTrue(self.alpine_ctnr.running)
self.assertEqual(self.alpine_ctnr.id, self.alpine_ctnr.stop())
self.alpine_ctnr.refresh()
self.assertFalse(self.alpine_ctnr['containerrunning'])
actual = self.alpine_ctnr.wait()
self.assertGreaterEqual(actual, 0)
def test_changes(self):
actual = self.alpine_ctnr.changes()
self.assertListEqual(
sorted(['changed', 'added', 'deleted']), sorted(
list(actual.keys())))
# TODO: brittle, depends on knowing history of ctnr
self.assertGreaterEqual(len(actual['changed']), 2)
self.assertGreaterEqual(len(actual['added']), 3)
self.assertEqual(len(actual['deleted']), 0)
def test_kill(self):
self.assertTrue(self.alpine_ctnr.running)
self.assertEqual(self.alpine_ctnr.id, self.alpine_ctnr.kill(9))
time.sleep(2)
self.alpine_ctnr.refresh()
self.assertFalse(self.alpine_ctnr.running)
def test_inspect(self):
actual = self.alpine_ctnr.inspect()
self.assertEqual(actual.id, self.alpine_ctnr.id)
# TODO: Datetime values from inspect missing offset in CI instance
# self.assertEqual(
# datetime_parse(actual.created),
# datetime_parse(self.alpine_ctnr.createdat))
def test_export(self):
target = os.path.join(self.tmpdir, 'alpine_export_ctnr.tar')
actual = self.alpine_ctnr.export(target)
self.assertEqual(actual, target)
self.assertTrue(os.path.isfile(target))
self.assertGreater(os.path.getsize(target), 0)
def test_commit(self):
# TODO: Test for STOPSIGNAL when supported by OCI
# TODO: Test for message when supported by OCI
# TODO: Test for EXPOSE when issue#795 fixed
# 'EXPOSE=8888/tcp, 8888/udp'
id = self.alpine_ctnr.commit(
'alpine3',
author='Bozo the clown',
changes=[
'CMD=/usr/bin/zsh',
'ENTRYPOINT=/bin/sh date',
'ENV=TEST=test_containers.TestContainers.test_commit',
'LABEL=unittest=test_commit',
'USER=bozo:circus',
'VOLUME=/data',
'WORKDIR=/data/application',
],
pause=True)
img = self.pclient.images.get(id)
self.assertIsNotNone(img)
details = img.inspect()
self.assertEqual(details.author, 'Bozo the clown')
self.assertListEqual(['/usr/bin/zsh'], details.containerconfig['cmd'])
self.assertListEqual(['/bin/sh date'],
details.containerconfig['entrypoint'])
self.assertListEqual(
['TEST=test_containers.TestContainers.test_commit'],
details.containerconfig['env'])
# self.assertDictEqual({
# '8888/tcp': {}
# }, details.containerconfig['exposedports'])
self.assertDictEqual({'unittest': 'test_commit'}, details.labels)
self.assertEqual('bozo:circus', details.containerconfig['user'])
self.assertEqual({'/data': {}}, details.containerconfig['volumes'])
self.assertEqual('/data/application',
details.containerconfig['workingdir'])
def test_remove(self):
before = self.loadCache()
with self.assertRaises(podman.ErrorOccurred):
self.alpine_ctnr.remove()
self.assertEqual(
self.alpine_ctnr.id, self.alpine_ctnr.remove(force=True))
after = self.loadCache()
self.assertLess(len(after), len(before))
TestContainers.setUpClass()
self.loadCache()
def test_restart(self):
self.assertTrue(self.alpine_ctnr.running)
before = self.alpine_ctnr.runningfor
self.assertEqual(self.alpine_ctnr.id, self.alpine_ctnr.restart())
self.alpine_ctnr.refresh()
after = self.alpine_ctnr.runningfor
self.assertTrue(self.alpine_ctnr.running)
# TODO: restore check when restart zeros counter
# self.assertLess(after, before)
def test_rename(self):
with self.assertRaisesNotImplemented():
self.alpine_ctnr.rename('new_alpine')
def test_resize_tty(self):
with self.assertRaisesNotImplemented():
self.alpine_ctnr.resize_tty(132, 43)
def test_pause_unpause(self):
self.assertTrue(self.alpine_ctnr.running)
self.assertEqual(self.alpine_ctnr.id, self.alpine_ctnr.pause())
self.alpine_ctnr.refresh()
self.assertFalse(self.alpine_ctnr.running)
self.assertEqual(self.alpine_ctnr.id, self.alpine_ctnr.unpause())
self.alpine_ctnr.refresh()
self.assertTrue(self.alpine_ctnr.running)
def test_stats(self):
self.alpine_ctnr.restart()
actual = self.alpine_ctnr.stats()
self.assertEqual(self.alpine_ctnr.id, actual.id)
self.assertEqual(self.alpine_ctnr.names, actual.name)
def test_logs(self):
self.alpine_ctnr.restart()
actual = list(self.alpine_ctnr.logs())
self.assertIsNotNone(actual)
if __name__ == '__main__':
unittest.main()
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