152 lines
5.4 KiB
Python
Executable File
152 lines
5.4 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Tests for image streaming.
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#
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# Copyright (C) 2012 IBM Corp.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import os
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import iotests
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from iotests import qemu_img, qemu_io
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backing_img = os.path.join(iotests.test_dir, 'backing.img')
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test_img = os.path.join(iotests.test_dir, 'test.img')
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class ImageStreamingTestCase(iotests.QMPTestCase):
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'''Abstract base class for image streaming test cases'''
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def assert_no_active_streams(self):
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return', [])
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class TestSingleDrive(ImageStreamingTestCase):
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image_len = 1 * 1024 * 1024 # MB
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def setUp(self):
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qemu_img('create', backing_img, str(TestSingleDrive.image_len))
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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def test_stream(self):
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self.assert_no_active_streams()
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result = self.vm.qmp('block_stream', device='drive0')
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self.assert_qmp(result, 'return', {})
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completed = False
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while not completed:
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for event in self.vm.get_qmp_events(wait=True):
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if event['event'] == 'BLOCK_JOB_COMPLETED':
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self.assert_qmp(event, 'data/type', 'stream')
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/offset', self.image_len)
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self.assert_qmp(event, 'data/len', self.image_len)
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completed = True
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self.assert_no_active_streams()
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self.assertFalse('sectors not allocated' in qemu_io('-c', 'map', test_img),
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'image file not fully populated after streaming')
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def test_device_not_found(self):
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result = self.vm.qmp('block_stream', device='nonexistent')
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self.assert_qmp(result, 'error/class', 'DeviceNotFound')
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class TestStreamStop(ImageStreamingTestCase):
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image_len = 8 * 1024 * 1024 * 1024 # GB
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def setUp(self):
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qemu_img('create', backing_img, str(TestStreamStop.image_len))
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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def test_stream_stop(self):
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import time
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self.assert_no_active_streams()
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result = self.vm.qmp('block_stream', device='drive0')
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self.assert_qmp(result, 'return', {})
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time.sleep(1)
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events = self.vm.get_qmp_events(wait=False)
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self.assertEqual(events, [], 'unexpected QMP event: %s' % events)
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self.vm.qmp('block_job_cancel', device='drive0')
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self.assert_qmp(result, 'return', {})
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cancelled = False
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while not cancelled:
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for event in self.vm.get_qmp_events(wait=True):
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if event['event'] == 'BLOCK_JOB_CANCELLED':
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self.assert_qmp(event, 'data/type', 'stream')
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self.assert_qmp(event, 'data/device', 'drive0')
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cancelled = True
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self.assert_no_active_streams()
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# This is a short performance test which is not run by default.
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# Invoke "IMGFMT=qed ./030 TestSetSpeed.perf_test_set_speed"
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class TestSetSpeed(ImageStreamingTestCase):
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image_len = 80 * 1024 * 1024 # MB
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def setUp(self):
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qemu_img('create', backing_img, str(TestSetSpeed.image_len))
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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def perf_test_set_speed(self):
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self.assert_no_active_streams()
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result = self.vm.qmp('block_stream', device='drive0')
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('block_job_set_speed', device='drive0', value=8 * 1024 * 1024)
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self.assert_qmp(result, 'return', {})
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completed = False
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while not completed:
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for event in self.vm.get_qmp_events(wait=True):
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if event['event'] == 'BLOCK_JOB_COMPLETED':
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self.assert_qmp(event, 'data/type', 'stream')
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self.assert_qmp(event, 'data/device', 'drive0')
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self.assert_qmp(event, 'data/offset', self.image_len)
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self.assert_qmp(event, 'data/len', self.image_len)
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completed = True
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self.assert_no_active_streams()
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if __name__ == '__main__':
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iotests.main(supported_fmts=['qcow2', 'qed'])
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