tests: Add tests for fdsets
Signed-off-by: Corey Bryant <coreyb@linux.vnet.ibm.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Corey Bryant
Kevin Wolf
parent
d92ada2202
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23e956bfe6
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#!/usr/bin/env python
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#
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# Tests for fdsets.
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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
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image0 = os.path.join(iotests.test_dir, 'image0')
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image1 = os.path.join(iotests.test_dir, 'image1')
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image2 = os.path.join(iotests.test_dir, 'image2')
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image3 = os.path.join(iotests.test_dir, 'image3')
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image4 = os.path.join(iotests.test_dir, 'image4')
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class TestFdSets(iotests.QMPTestCase):
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def setUp(self):
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self.vm = iotests.VM()
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qemu_img('create', '-f', iotests.imgfmt, image0, '128K')
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qemu_img('create', '-f', iotests.imgfmt, image1, '128K')
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qemu_img('create', '-f', iotests.imgfmt, image2, '128K')
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qemu_img('create', '-f', iotests.imgfmt, image3, '128K')
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qemu_img('create', '-f', iotests.imgfmt, image4, '128K')
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self.file0 = open(image0, 'r')
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self.file1 = open(image1, 'w+')
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self.file2 = open(image2, 'r')
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self.file3 = open(image3, 'r')
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self.file4 = open(image4, 'r')
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self.vm.add_fd(self.file0.fileno(), 1, 'image0:r')
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self.vm.add_fd(self.file1.fileno(), 1, 'image1:w+')
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self.vm.add_fd(self.file2.fileno(), 0, 'image2:r')
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self.vm.add_fd(self.file3.fileno(), 2, 'image3:r')
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self.vm.add_fd(self.file4.fileno(), 2, 'image4:r')
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self.vm.add_drive("/dev/fdset/1")
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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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self.file0.close()
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self.file1.close()
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self.file2.close()
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self.file3.close()
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self.file4.close()
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os.remove(image0)
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os.remove(image1)
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os.remove(image2)
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os.remove(image3)
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os.remove(image4)
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def test_query_fdset(self):
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result = self.vm.qmp('query-fdsets')
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self.assert_qmp(result, 'return[0]/fdset-id', 2)
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self.assert_qmp(result, 'return[1]/fdset-id', 1)
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self.assert_qmp(result, 'return[2]/fdset-id', 0)
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self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image3:r')
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self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image4:r')
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self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
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self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
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self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
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self.vm.shutdown()
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def test_remove_fdset(self):
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result = self.vm.qmp('remove-fd', fdset_id=2)
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('query-fdsets')
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self.assert_qmp(result, 'return[0]/fdset-id', 1)
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self.assert_qmp(result, 'return[1]/fdset-id', 0)
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self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image0:r')
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self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image1:w+')
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self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image2:r')
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self.vm.shutdown()
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def test_remove_fd(self):
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result = self.vm.qmp('query-fdsets')
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fd_image3 = result['return'][0]['fds'][0]['fd']
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result = self.vm.qmp('remove-fd', fdset_id=2, fd=fd_image3)
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('query-fdsets')
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self.assert_qmp(result, 'return[0]/fdset-id', 2)
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self.assert_qmp(result, 'return[1]/fdset-id', 1)
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self.assert_qmp(result, 'return[2]/fdset-id', 0)
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self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image4:r')
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self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
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self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
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self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
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self.vm.shutdown()
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def test_remove_fd_invalid_fdset(self):
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result = self.vm.qmp('query-fdsets')
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fd_image3 = result['return'][0]['fds'][0]['fd']
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result = self.vm.qmp('remove-fd', fdset_id=3, fd=fd_image3)
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self.assert_qmp(result, 'error/class', 'GenericError')
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self.assert_qmp(result, 'error/desc',
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'File descriptor named \'fdset-id:3, fd:%d\' not found' % fd_image3)
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self.vm.shutdown()
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def test_remove_fd_invalid_fd(self):
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result = self.vm.qmp('query-fdsets')
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result = self.vm.qmp('remove-fd', fdset_id=2, fd=999)
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self.assert_qmp(result, 'error/class', 'GenericError')
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self.assert_qmp(result, 'error/desc',
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'File descriptor named \'fdset-id:2, fd:999\' not found')
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self.vm.shutdown()
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def test_add_fd_invalid_fd(self):
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result = self.vm.qmp('add-fd', fdset_id=2)
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self.assert_qmp(result, 'error/class', 'GenericError')
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self.assert_qmp(result, 'error/desc',
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'No file descriptor supplied via SCM_RIGHTS')
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self.vm.shutdown()
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if __name__ == '__main__':
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iotests.main(supported_fmts=['raw'])
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@ -0,0 +1,5 @@
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......
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----------------------------------------------------------------------
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Ran 6 tests
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OK
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@ -51,3 +51,4 @@
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042 rw auto quick
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043 rw auto backing
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044 rw auto
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045 rw auto
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@ -79,6 +79,18 @@ class VM(object):
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self._num_drives += 1
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return self
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def add_fd(self, fd, fdset, opaque, opts=''):
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'''Pass a file descriptor to the VM'''
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options = ['fd=%d' % fd,
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'set=%d' % fdset,
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'opaque=%s' % opaque]
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if opts:
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options.append(opts)
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self._args.append('-add-fd')
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self._args.append(','.join(options))
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return self
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def launch(self):
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'''Launch the VM and establish a QMP connection'''
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devnull = open('/dev/null', 'rb')
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