tests: Add tests for fdsets (23e956bf) · Commits · SUMMER2020 / students / proj-2021291

tests/qemu-iotests/045

0 → 100755

+129 −0

Original line number	Diff line number	Diff line
		#!/usr/bin/env python
		#
		# Tests for fdsets.
		#
		# Copyright (C) 2012 IBM Corp.
		#
		# 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 2 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 os
		import iotests
		from iotests import qemu_img

		image0 = os.path.join(iotests.test_dir, 'image0')
		image1 = os.path.join(iotests.test_dir, 'image1')
		image2 = os.path.join(iotests.test_dir, 'image2')
		image3 = os.path.join(iotests.test_dir, 'image3')
		image4 = os.path.join(iotests.test_dir, 'image4')

		class TestFdSets(iotests.QMPTestCase):

		def setUp(self):
		self.vm = iotests.VM()
		qemu_img('create', '-f', iotests.imgfmt, image0, '128K')
		qemu_img('create', '-f', iotests.imgfmt, image1, '128K')
		qemu_img('create', '-f', iotests.imgfmt, image2, '128K')
		qemu_img('create', '-f', iotests.imgfmt, image3, '128K')
		qemu_img('create', '-f', iotests.imgfmt, image4, '128K')
		self.file0 = open(image0, 'r')
		self.file1 = open(image1, 'w+')
		self.file2 = open(image2, 'r')
		self.file3 = open(image3, 'r')
		self.file4 = open(image4, 'r')
		self.vm.add_fd(self.file0.fileno(), 1, 'image0:r')
		self.vm.add_fd(self.file1.fileno(), 1, 'image1:w+')
		self.vm.add_fd(self.file2.fileno(), 0, 'image2:r')
		self.vm.add_fd(self.file3.fileno(), 2, 'image3:r')
		self.vm.add_fd(self.file4.fileno(), 2, 'image4:r')
		self.vm.add_drive("/dev/fdset/1")
		self.vm.launch()

		def tearDown(self):
		self.vm.shutdown()
		self.file0.close()
		self.file1.close()
		self.file2.close()
		self.file3.close()
		self.file4.close()
		os.remove(image0)
		os.remove(image1)
		os.remove(image2)
		os.remove(image3)
		os.remove(image4)

		def test_query_fdset(self):
		result = self.vm.qmp('query-fdsets')
		self.assert_qmp(result, 'return[0]/fdset-id', 2)
		self.assert_qmp(result, 'return[1]/fdset-id', 1)
		self.assert_qmp(result, 'return[2]/fdset-id', 0)
		self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image3:r')
		self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image4:r')
		self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
		self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
		self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
		self.vm.shutdown()

		def test_remove_fdset(self):
		result = self.vm.qmp('remove-fd', fdset_id=2)
		self.assert_qmp(result, 'return', {})
		result = self.vm.qmp('query-fdsets')
		self.assert_qmp(result, 'return[0]/fdset-id', 1)
		self.assert_qmp(result, 'return[1]/fdset-id', 0)
		self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image0:r')
		self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image1:w+')
		self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image2:r')
		self.vm.shutdown()

		def test_remove_fd(self):
		result = self.vm.qmp('query-fdsets')
		fd_image3 = result['return'][0]['fds'][0]['fd']
		result = self.vm.qmp('remove-fd', fdset_id=2, fd=fd_image3)
		self.assert_qmp(result, 'return', {})
		result = self.vm.qmp('query-fdsets')
		self.assert_qmp(result, 'return[0]/fdset-id', 2)
		self.assert_qmp(result, 'return[1]/fdset-id', 1)
		self.assert_qmp(result, 'return[2]/fdset-id', 0)
		self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image4:r')
		self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
		self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
		self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
		self.vm.shutdown()

		def test_remove_fd_invalid_fdset(self):
		result = self.vm.qmp('query-fdsets')
		fd_image3 = result['return'][0]['fds'][0]['fd']
		result = self.vm.qmp('remove-fd', fdset_id=3, fd=fd_image3)
		self.assert_qmp(result, 'error/class', 'GenericError')
		self.assert_qmp(result, 'error/desc',
		'File descriptor named \'fdset-id:3, fd:%d\' not found' % fd_image3)
		self.vm.shutdown()

		def test_remove_fd_invalid_fd(self):
		result = self.vm.qmp('query-fdsets')
		result = self.vm.qmp('remove-fd', fdset_id=2, fd=999)
		self.assert_qmp(result, 'error/class', 'GenericError')
		self.assert_qmp(result, 'error/desc',
		'File descriptor named \'fdset-id:2, fd:999\' not found')
		self.vm.shutdown()

		def test_add_fd_invalid_fd(self):
		result = self.vm.qmp('add-fd', fdset_id=2)
		self.assert_qmp(result, 'error/class', 'GenericError')
		self.assert_qmp(result, 'error/desc',
		'No file descriptor supplied via SCM_RIGHTS')
		self.vm.shutdown()

		if __name__ == '__main__':
		iotests.main(supported_fmts=['raw'])

tests/qemu-iotests/045.out

0 → 100644

+5 −0

Original line number	Diff line number	Diff line
		......
		----------------------------------------------------------------------
		Ran 6 tests

		OK

tests/qemu-iotests/group

+1 −0

Original line number	Diff line number	Diff line
		@@ -51,3 +51,4 @@
		042 rw auto quick
		043 rw auto backing
		044 rw auto
		045 rw auto

tests/qemu-iotests/iotests.py

+12 −0

Original line number	Diff line number	Diff line
		@@ -79,6 +79,18 @@ class VM(object):
		self._num_drives += 1
		return self

		def add_fd(self, fd, fdset, opaque, opts=''):
		'''Pass a file descriptor to the VM'''
		options = ['fd=%d' % fd,
		'set=%d' % fdset,
		'opaque=%s' % opaque]
		if opts:
		options.append(opts)

		self._args.append('-add-fd')
		self._args.append(','.join(options))
		return self

		def launch(self):
		'''Launch the VM and establish a QMP connection'''
		devnull = open('/dev/null', 'rb')