Ausgabe der neuen DB Einträge
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hubobel
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2399 changed files with 843193 additions and 43 deletions
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# Copyright (c) Twisted Matrix Laboratories.
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# See LICENSE for details.
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"""
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Tests for L{twisted.python.runtime}.
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"""
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from __future__ import division, absolute_import
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import sys
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from twisted.python.reflect import namedModule
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from twisted.trial.util import suppress as SUPRESS
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from twisted.trial.unittest import SynchronousTestCase
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from twisted.python.runtime import Platform, shortPythonVersion
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class PythonVersionTests(SynchronousTestCase):
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"""
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Tests the shortPythonVersion method.
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"""
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def test_shortPythonVersion(self):
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"""
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Verify if the Python version is returned correctly.
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"""
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ver = shortPythonVersion().split('.')
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for i in range(3):
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self.assertEqual(int(ver[i]), sys.version_info[i])
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class PlatformTests(SynchronousTestCase):
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"""
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Tests for the default L{Platform} initializer.
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"""
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isWinNTDeprecationMessage = ('twisted.python.runtime.Platform.isWinNT was '
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'deprecated in Twisted 13.0. Use Platform.isWindows instead.')
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def test_isKnown(self):
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"""
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L{Platform.isKnown} returns a boolean indicating whether this is one of
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the L{runtime.knownPlatforms}.
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"""
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platform = Platform()
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self.assertTrue(platform.isKnown())
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def test_isVistaConsistency(self):
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"""
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Verify consistency of L{Platform.isVista}: it can only be C{True} if
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L{Platform.isWinNT} and L{Platform.isWindows} are C{True}.
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"""
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platform = Platform()
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if platform.isVista():
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self.assertTrue(platform.isWinNT())
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self.assertTrue(platform.isWindows())
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self.assertFalse(platform.isMacOSX())
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def test_isMacOSXConsistency(self):
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"""
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L{Platform.isMacOSX} can only return C{True} if L{Platform.getType}
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returns C{'posix'}.
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"""
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platform = Platform()
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if platform.isMacOSX():
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self.assertEqual(platform.getType(), 'posix')
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def test_isLinuxConsistency(self):
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"""
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L{Platform.isLinux} can only return C{True} if L{Platform.getType}
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returns C{'posix'} and L{sys.platform} starts with C{"linux"}.
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"""
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platform = Platform()
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if platform.isLinux():
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self.assertTrue(sys.platform.startswith("linux"))
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def test_isWinNT(self):
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"""
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L{Platform.isWinNT} can return only C{False} or C{True} and can not
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return C{True} if L{Platform.getType} is not C{"win32"}.
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"""
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platform = Platform()
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isWinNT = platform.isWinNT()
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self.assertIn(isWinNT, (False, True))
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if platform.getType() != "win32":
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self.assertFalse(isWinNT)
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test_isWinNT.suppress = [SUPRESS(category=DeprecationWarning,
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message=isWinNTDeprecationMessage)]
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def test_isWinNTDeprecated(self):
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"""
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L{Platform.isWinNT} is deprecated in favor of L{platform.isWindows}.
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"""
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platform = Platform()
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platform.isWinNT()
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warnings = self.flushWarnings([self.test_isWinNTDeprecated])
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self.assertEqual(len(warnings), 1)
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self.assertEqual(
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warnings[0]['message'], self.isWinNTDeprecationMessage)
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def test_supportsThreads(self):
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"""
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L{Platform.supportsThreads} returns C{True} if threads can be created in
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this runtime, C{False} otherwise.
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"""
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# It's difficult to test both cases of this without faking the threading
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# module. Perhaps an adequate test is to just test the behavior with
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# the current runtime, whatever that happens to be.
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try:
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namedModule('threading')
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except ImportError:
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self.assertFalse(Platform().supportsThreads())
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else:
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self.assertTrue(Platform().supportsThreads())
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class ForeignPlatformTests(SynchronousTestCase):
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"""
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Tests for L{Platform} based overridden initializer values.
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"""
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def test_getType(self):
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"""
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If an operating system name is supplied to L{Platform}'s initializer,
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L{Platform.getType} returns the platform type which corresponds to that
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name.
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"""
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self.assertEqual(Platform('nt').getType(), 'win32')
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self.assertEqual(Platform('ce').getType(), 'win32')
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self.assertEqual(Platform('posix').getType(), 'posix')
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self.assertEqual(Platform('java').getType(), 'java')
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def test_isMacOSX(self):
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"""
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If a system platform name is supplied to L{Platform}'s initializer, it
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is used to determine the result of L{Platform.isMacOSX}, which returns
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C{True} for C{"darwin"}, C{False} otherwise.
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"""
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self.assertTrue(Platform(None, 'darwin').isMacOSX())
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self.assertFalse(Platform(None, 'linux2').isMacOSX())
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self.assertFalse(Platform(None, 'win32').isMacOSX())
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def test_isLinux(self):
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"""
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If a system platform name is supplied to L{Platform}'s initializer, it
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is used to determine the result of L{Platform.isLinux}, which returns
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C{True} for values beginning with C{"linux"}, C{False} otherwise.
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"""
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self.assertFalse(Platform(None, 'darwin').isLinux())
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self.assertTrue(Platform(None, 'linux').isLinux())
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self.assertTrue(Platform(None, 'linux2').isLinux())
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self.assertTrue(Platform(None, 'linux3').isLinux())
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self.assertFalse(Platform(None, 'win32').isLinux())
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class DockerPlatformTests(SynchronousTestCase):
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"""
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Tests for L{twisted.python.runtime.Platform.isDocker}.
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"""
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def test_noChecksOnLinux(self):
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"""
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If the platform is not Linux, C{isDocker()} always returns L{False}.
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"""
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platform = Platform(None, 'win32')
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self.assertFalse(platform.isDocker())
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def test_noCGroups(self):
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"""
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If the platform is Linux, and the cgroups file in C{/proc} does not
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exist, C{isDocker()} returns L{False}
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"""
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platform = Platform(None, 'linux')
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self.assertFalse(platform.isDocker(_initCGroupLocation="fakepath"))
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def test_cgroupsSuggestsDocker(self):
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"""
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If the platform is Linux, and the cgroups file (faked out here) exists,
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and one of the paths starts with C{/docker/}, C{isDocker()} returns
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C{True}.
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"""
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cgroupsFile = self.mktemp()
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with open(cgroupsFile, 'wb') as f:
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# real cgroups file from inside a Debian 7 docker container
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f.write(b"""10:debug:/
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9:net_prio:/
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8:perf_event:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
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7:net_cls:/
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6:freezer:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
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5:devices:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
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4:blkio:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
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3:cpuacct:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
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2:cpu:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
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1:cpuset:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f""")
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platform = Platform(None, 'linux')
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self.assertTrue(platform.isDocker(_initCGroupLocation=cgroupsFile))
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def test_cgroupsSuggestsRealSystem(self):
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"""
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If the platform is Linux, and the cgroups file (faked out here) exists,
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and none of the paths starts with C{/docker/}, C{isDocker()} returns
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C{False}.
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"""
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cgroupsFile = self.mktemp()
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with open(cgroupsFile, 'wb') as f:
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# real cgroups file from a Fedora 17 system
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f.write(b"""9:perf_event:/
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8:blkio:/
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7:net_cls:/
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6:freezer:/
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5:devices:/
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4:memory:/
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3:cpuacct,cpu:/
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2:cpuset:/
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1:name=systemd:/system""")
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platform = Platform(None, 'linux')
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self.assertFalse(platform.isDocker(_initCGroupLocation=cgroupsFile))
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