mirror of https://github.com/containers/podman.git
235 lines
7.7 KiB
Python
235 lines
7.7 KiB
Python
import os
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import signal
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import unittest
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from test.podman_testcase import PodmanTestCase
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import podman
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class TestContainers(PodmanTestCase):
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@classmethod
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def setUpClass(cls):
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super().setUpClass()
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@classmethod
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def tearDownClass(cls):
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super().tearDownClass()
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def setUp(self):
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self.tmpdir = os.environ['TMPDIR']
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self.host = os.environ['PODMAN_HOST']
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self.pclient = podman.Client(self.host)
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self.loadCache()
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def tearDown(self):
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pass
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def loadCache(self):
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self.containers = list(self.pclient.containers.list())
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self.alpine_ctnr = next(
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iter([c for c in self.containers if 'alpine' in c['image']] or []),
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None)
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if self.alpine_ctnr and self.alpine_ctnr.status != 'running':
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self.alpine_ctnr.start()
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def test_list(self):
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self.assertGreaterEqual(len(self.containers), 2)
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self.assertIsNotNone(self.alpine_ctnr)
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self.assertIn('alpine', self.alpine_ctnr.image)
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def test_delete_stopped(self):
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before = len(self.containers)
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self.alpine_ctnr.stop()
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target = self.alpine_ctnr.id
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actual = self.pclient.containers.delete_stopped()
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self.assertIn(target, actual)
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self.loadCache()
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after = len(self.containers)
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self.assertLess(after, before)
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TestContainers.setUpClass()
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def test_get(self):
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actual = self.pclient.containers.get(self.alpine_ctnr.id)
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for k in ['id', 'status', 'ports']:
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self.assertEqual(actual[k], self.alpine_ctnr[k])
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with self.assertRaises(podman.ContainerNotFound):
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self.pclient.containers.get("bozo")
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def test_attach(self):
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# StringIO does not support fileno() so we had to go old school
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input = os.path.join(self.tmpdir, 'test_attach.stdin')
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output = os.path.join(self.tmpdir, 'test_attach.stdout')
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with open(input, 'w+') as mock_in, open(output, 'w+') as mock_out:
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# double quote is indeed in the expected place
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mock_in.write('echo H"ello, World"; exit\n')
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mock_in.seek(0, 0)
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ctnr = self.pclient.images.get(self.alpine_ctnr.image).container(
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detach=True, tty=True)
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ctnr.attach(stdin=mock_in.fileno(), stdout=mock_out.fileno())
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ctnr.start()
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mock_out.flush()
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mock_out.seek(0, 0)
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output = mock_out.read()
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self.assertIn('Hello', output)
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ctnr.remove(force=True)
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def test_processes(self):
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actual = list(self.alpine_ctnr.processes())
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self.assertGreaterEqual(len(actual), 2)
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def test_start_stop_wait(self):
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ctnr = self.alpine_ctnr.stop()
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self.assertFalse(ctnr['running'])
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ctnr.start()
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self.assertTrue(ctnr.running)
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ctnr.stop()
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self.assertFalse(ctnr['containerrunning'])
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actual = ctnr.wait()
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self.assertGreaterEqual(actual, 0)
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def test_changes(self):
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actual = self.alpine_ctnr.changes()
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self.assertListEqual(
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sorted(['changed', 'added', 'deleted']), sorted(
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list(actual.keys())))
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# TODO: brittle, depends on knowing history of ctnr
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self.assertGreaterEqual(len(actual['changed']), 2)
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self.assertGreaterEqual(len(actual['added']), 3)
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self.assertEqual(len(actual['deleted']), 0)
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def test_kill(self):
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self.assertTrue(self.alpine_ctnr.running)
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ctnr = self.alpine_ctnr.kill(signal.SIGKILL)
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self.assertFalse(ctnr.running)
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def test_inspect(self):
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actual = self.alpine_ctnr.inspect()
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self.assertEqual(actual.id, self.alpine_ctnr.id)
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# TODO: Datetime values from inspect missing offset in CI instance
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# self.assertEqual(
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# datetime_parse(actual.created),
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# datetime_parse(self.alpine_ctnr.createdat))
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def test_export(self):
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target = os.path.join(self.tmpdir, 'alpine_export_ctnr.tar')
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actual = self.alpine_ctnr.export(target)
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self.assertEqual(actual, target)
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self.assertTrue(os.path.isfile(target))
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self.assertGreater(os.path.getsize(target), 0)
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def test_commit(self):
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# TODO: Test for STOPSIGNAL when supported by OCI
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# TODO: Test for message when supported by OCI
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details = self.pclient.images.get(self.alpine_ctnr.image).inspect()
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changes = ['ENV=' + i for i in details.containerconfig['env']]
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changes.append('CMD=/usr/bin/zsh')
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changes.append('ENTRYPOINT=/bin/sh date')
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changes.append('ENV=TEST=test_containers.TestContainers.test_commit')
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changes.append('EXPOSE=80')
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changes.append('EXPOSE=8888')
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changes.append('LABEL=unittest=test_commit')
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changes.append('USER=bozo:circus')
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changes.append('VOLUME=/data')
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changes.append('WORKDIR=/data/application')
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id = self.alpine_ctnr.commit(
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'alpine3', author='Bozo the clown', changes=changes, pause=True)
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img = self.pclient.images.get(id)
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self.assertIsNotNone(img)
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details = img.inspect()
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self.assertEqual(details.author, 'Bozo the clown')
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self.assertListEqual(['/usr/bin/zsh'], details.containerconfig['cmd'])
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self.assertListEqual(['/bin/sh date'],
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details.containerconfig['entrypoint'])
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self.assertIn('TEST=test_containers.TestContainers.test_commit',
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details.containerconfig['env'])
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self.assertTrue(
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[e for e in details.containerconfig['env'] if 'PATH=' in e])
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self.assertDictEqual({
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'80': {},
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'8888': {},
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}, details.containerconfig['exposedports'])
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self.assertDictEqual({'unittest': 'test_commit'}, details.labels)
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self.assertEqual('bozo:circus', details.containerconfig['user'])
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self.assertEqual({'/data': {}}, details.containerconfig['volumes'])
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self.assertEqual('/data/application',
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details.containerconfig['workingdir'])
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def test_remove(self):
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before = len(self.containers)
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with self.assertRaises(podman.ErrorOccurred):
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self.alpine_ctnr.remove()
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self.assertEqual(
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self.alpine_ctnr.id, self.alpine_ctnr.remove(force=True))
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self.loadCache()
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after = len(self.containers)
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self.assertLess(after, before)
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TestContainers.setUpClass()
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def test_restart(self):
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self.assertTrue(self.alpine_ctnr.running)
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before = self.alpine_ctnr.runningfor
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ctnr = self.alpine_ctnr.restart()
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self.assertTrue(ctnr.running)
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after = self.alpine_ctnr.runningfor
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# TODO: restore check when restart zeros counter
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# self.assertLess(after, before)
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def test_rename(self):
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with self.assertRaisesNotImplemented():
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self.alpine_ctnr.rename('new_alpine')
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def test_resize_tty(self):
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with self.assertRaisesNotImplemented():
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self.alpine_ctnr.resize_tty(132, 43)
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def test_pause_unpause(self):
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self.assertTrue(self.alpine_ctnr.running)
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ctnr = self.alpine_ctnr.pause()
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self.assertEqual(ctnr.status, 'paused')
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ctnr = self.alpine_ctnr.unpause()
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self.assertTrue(ctnr.running)
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self.assertTrue(ctnr.status, 'running')
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def test_stats(self):
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self.assertTrue(self.alpine_ctnr.running)
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actual = self.alpine_ctnr.stats()
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self.assertEqual(self.alpine_ctnr.id, actual.id)
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self.assertEqual(self.alpine_ctnr.names, actual.name)
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def test_logs(self):
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self.assertTrue(self.alpine_ctnr.running)
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actual = list(self.alpine_ctnr.logs())
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self.assertIsNotNone(actual)
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if __name__ == '__main__':
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unittest.main()
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