def test_isKnown(self):
"""
L{Platform.isKnown} returns a boolean indicating whether this is one of
the L{runtime.knownPlatforms}.
"""
platform = Platform()
self.assertTrue(platform.isKnown())
def test_noCGroups(self):
"""
If the platform is Linux, and the cgroups file in C{/proc} does not
exist, C{isDocker()} returns L{False}
"""
platform = Platform(None, 'linux')
self.assertFalse(platform.isDocker(_initCGroupLocation="fakepath"))
def test_isKnown(self):
"""
L{Platform.isKnown} returns a boolean indicating whether this is one of
the L{runtime.knownPlatforms}.
"""
platform = Platform()
self.assertTrue(platform.isKnown())
def test_noCGroups(self):
"""
If the platform is Linux, and the cgroups file in C{/proc} does not
exist, C{isDocker()} returns L{False}
"""
platform = Platform(None, 'linux')
self.assertFalse(platform.isDocker(_initCGroupLocation="fakepath"))
def test_isMacOSXConsistency(self):
"""
L{Platform.isMacOSX} can only return C{True} if L{Platform.getType}
returns C{'posix'}.
"""
platform = Platform()
if platform.isMacOSX():
self.assertEqual(platform.getType(), 'posix')
def test_isMacOSXConsistency(self):
"""
L{Platform.isMacOSX} can only return C{True} if L{Platform.getType}
returns C{'posix'}.
"""
platform = Platform()
if platform.isMacOSX():
self.assertEqual(platform.getType(), 'posix')
def test_isLinuxConsistency(self):
"""
L{Platform.isLinux} can only return C{True} if L{Platform.getType}
returns C{'posix'} and L{sys.platform} starts with C{"linux"}.
"""
platform = Platform()
if platform.isLinux():
self.assertTrue(sys.platform.startswith("linux"))
def test_isLinuxConsistency(self):
"""
L{Platform.isLinux} can only return C{True} if L{Platform.getType}
returns C{'posix'} and L{sys.platform} starts with C{"linux"}.
"""
platform = Platform()
if platform.isLinux():
self.assertTrue(sys.platform.startswith("linux"))
def test_isMacOSX(self):
"""
If a system platform name is supplied to L{Platform}'s initializer, it
is used to determine the result of L{Platform.isMacOSX}, which returns
C{True} for C{"darwin"}, C{False} otherwise.
"""
self.assertTrue(Platform(None, 'darwin').isMacOSX())
self.assertFalse(Platform(None, 'linux2').isMacOSX())
self.assertFalse(Platform(None, 'win32').isMacOSX())
def test_isWinNT(self):
"""
L{Platform.isWinNT} can return only C{False} or C{True} and can not
return C{True} if L{Platform.getType} is not C{"win32"}.
"""
platform = Platform()
isWinNT = platform.isWinNT()
self.assertIn(isWinNT, (False, True))
if platform.getType() != "win32":
self.assertEqual(isWinNT, False)
def test_isWinNTDeprecated(self):
"""
L{Platform.isWinNT} is deprecated in favor of L{platform.isWindows}.
"""
platform = Platform()
platform.isWinNT()
warnings = self.flushWarnings([self.test_isWinNTDeprecated])
self.assertEqual(len(warnings), 1)
self.assertEqual(warnings[0]['message'],
self.isWinNTDeprecationMessage)
def test_isWinNT(self):
"""
L{Platform.isWinNT} can return only C{False} or C{True} and can not
return C{True} if L{Platform.getType} is not C{"win32"}.
"""
platform = Platform()
isWinNT = platform.isWinNT()
self.assertIn(isWinNT, (False, True))
if platform.getType() != "win32":
self.assertEqual(isWinNT, False)
def test_isVistaConsistency(self):
"""
Verify consistency of L{Platform.isVista}: it can only be C{True} if
L{Platform.isWinNT} and L{Platform.isWindows} are C{True}.
"""
platform = Platform()
if platform.isVista():
self.assertTrue(platform.isWinNT())
self.assertTrue(platform.isWindows())
self.assertFalse(platform.isMacOSX())
def test_isWinNT(self):
"""
L{Platform.isWinNT} can return only C{0} or C{1} and can not return C{1}
if L{Platform.getType} is not C{"win32"}.
"""
platform = Platform()
isWinNT = platform.isWinNT()
self.assertTrue(isWinNT in (0, 1))
if platform.getType() != "win32":
self.assertEqual(isWinNT, 0)
def test_isWinNTDeprecated(self):
"""
L{Platform.isWinNT} is deprecated in favor of L{platform.isWindows}.
"""
platform = Platform()
platform.isWinNT()
warnings = self.flushWarnings([self.test_isWinNTDeprecated])
self.assertEqual(len(warnings), 1)
self.assertEqual(
warnings[0]['message'], self.isWinNTDeprecationMessage)
def test_getType(self):
"""
If an operating system name is supplied to L{Platform}'s initializer,
L{Platform.getType} returns the platform type which corresponds to that
name.
"""
self.assertEqual(Platform("nt").getType(), "win32")
self.assertEqual(Platform("ce").getType(), "win32")
self.assertEqual(Platform("posix").getType(), "posix")
self.assertEqual(Platform("java").getType(), "java")
def test_getType(self):
"""
If an operating system name is supplied to L{Platform}'s initializer,
L{Platform.getType} returns the platform type which corresponds to that
name.
"""
self.assertEqual(Platform('nt').getType(), 'win32')
self.assertEqual(Platform('ce').getType(), 'win32')
self.assertEqual(Platform('posix').getType(), 'posix')
self.assertEqual(Platform('java').getType(), 'java')
def test_isLinux(self):
"""
If a system platform name is supplied to L{Platform}'s initializer, it
is used to determine the result of L{Platform.isLinux}, which returns
C{True} for values beginning with C{"linux"}, C{False} otherwise.
"""
self.assertFalse(Platform(None, 'darwin').isLinux())
self.assertTrue(Platform(None, 'linux').isLinux())
self.assertTrue(Platform(None, 'linux2').isLinux())
self.assertTrue(Platform(None, 'linux3').isLinux())
self.assertFalse(Platform(None, 'win32').isLinux())
def test_supportsThreads(self):
"""
L{Platform.supportsThreads} returns C{True} if threads can be created in
this runtime, C{False} otherwise.
"""
# It's difficult to test both cases of this without faking the threading
# module. Perhaps an adequate test is to just test the behavior with
# the current runtime, whatever that happens to be.
try:
namedModule('threading')
except ImportError:
self.assertFalse(Platform().supportsThreads())
else:
self.assertTrue(Platform().supportsThreads())
def ffmpeg_args():
ret = ['ffmpeg', '-f']
p = Platform()
if p.isMacOSX():
ret.append('avfoundation')
elif p.isLinux():
ret.append('v4l2')
else:
raise NotImplementedError
ret.extend([
'-framerate',
'30',
'-video_size',
'640x480',
])
if p.isMacOSX():
ret.extend([
'-i',
'default',
'-f',
'avfoundation',
'-i',
':0',
])
elif p.isLinux():
ret.extend([
'-i',
'/dev/video0',
'-f',
'alsa',
'-thread_queue_size',
'99999',
'-i',
'hw:0',
])
ret.extend([
'-async',
'1',
'-c:a',
'aac',
'-vcodec',
'libx264',
'-tune',
'zerolatency',
'-preset',
'veryfast',
'-x264opts',
'crf=20:vbv-maxrate=3000:vbv-bufsize=100:intra-refresh=1:slice-max-size=1500:keyint=30:ref=1',
])
# Ubuntu-only?
if p.isLinux() and isUbuntu():
ret.extend(['-strict', '-2'])
ret.extend(['-f', 'mpegts', '-'])
return ret
def test_cgroupsSuggestsRealSystem(self):
"""
If the platform is Linux, and the cgroups file (faked out here) exists,
and none of the paths starts with C{/docker/}, C{isDocker()} returns
C{False}.
"""
cgroupsFile = self.mktemp()
with open(cgroupsFile, 'wb') as f:
# real cgroups file from a Fedora 17 system
f.write(b"""9:perf_event:/
8:blkio:/
7:net_cls:/
6:freezer:/
5:devices:/
4:memory:/
3:cpuacct,cpu:/
2:cpuset:/
1:name=systemd:/system""")
platform = Platform(None, 'linux')
self.assertFalse(platform.isDocker(_initCGroupLocation=cgroupsFile))
def test_cgroupsSuggestsRealSystem(self):
"""
If the platform is Linux, and the cgroups file (faked out here) exists,
and none of the paths starts with C{/docker/}, C{isDocker()} returns
C{False}.
"""
cgroupsFile = self.mktemp()
with open(cgroupsFile, 'wb') as f:
# real cgroups file from a Fedora 17 system
f.write(b"""9:perf_event:/
8:blkio:/
7:net_cls:/
6:freezer:/
5:devices:/
4:memory:/
3:cpuacct,cpu:/
2:cpuset:/
1:name=systemd:/system""")
platform = Platform(None, 'linux')
self.assertFalse(platform.isDocker(_initCGroupLocation=cgroupsFile))
def test_cgroupsSuggestsDocker(self):
"""
If the platform is Linux, and the cgroups file (faked out here) exists,
and one of the paths starts with C{/docker/}, C{isDocker()} returns
C{True}.
"""
cgroupsFile = self.mktemp()
with open(cgroupsFile, 'wb') as f:
# real cgroups file from inside a Debian 7 docker container
f.write(b"""10:debug:/
9:net_prio:/
8:perf_event:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
7:net_cls:/
6:freezer:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
5:devices:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
4:blkio:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
3:cpuacct:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
2:cpu:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
1:cpuset:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f""")
platform = Platform(None, 'linux')
self.assertTrue(platform.isDocker(_initCGroupLocation=cgroupsFile))
def test_cgroupsSuggestsDocker(self):
"""
If the platform is Linux, and the cgroups file (faked out here) exists,
and one of the paths starts with C{/docker/}, C{isDocker()} returns
C{True}.
"""
cgroupsFile = self.mktemp()
with open(cgroupsFile, 'wb') as f:
# real cgroups file from inside a Debian 7 docker container
f.write(b"""10:debug:/
9:net_prio:/
8:perf_event:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
7:net_cls:/
6:freezer:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
5:devices:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
4:blkio:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
3:cpuacct:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
2:cpu:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f
1:cpuset:/docker/104155a6453cb67590027e397dc90fc25a06a7508403c797bc89ea43adf8d35f""")
platform = Platform(None, 'linux')
self.assertTrue(platform.isDocker(_initCGroupLocation=cgroupsFile))
def test_isVistaConsistency(self):
"""
Verify consistency of L{Platform.isVista}: it can only be C{True} if
L{Platform.isWinNT} and L{Platform.isWindows} are C{True}.
"""
platform = Platform()
if platform.isVista():
self.assertTrue(platform.isWinNT())
self.assertTrue(platform.isWindows())
self.assertFalse(platform.isMacOSX())
"""
Tests for L{twisted.internet.default}.
"""
from __future__ import division, absolute_import
import select, sys
from twisted.trial.unittest import SynchronousTestCase
from twisted.python.runtime import Platform
from twisted.python.reflect import requireModule
from twisted.internet import default
from twisted.internet.default import _getInstallFunction, install
from twisted.internet.test.test_main import NoReactor
from twisted.internet.interfaces import IReactorCore
unix = Platform('posix', 'other')
linux = Platform('posix', 'linux2')
windows = Platform('nt', 'win32')
osx = Platform('posix', 'darwin')
class PollReactorTests(SynchronousTestCase):
"""
Tests for the cases of L{twisted.internet.default._getInstallFunction}
in which it picks the poll(2) or epoll(7)-based reactors.
"""
def assertIsPoll(self, install):
"""
Assert the given function will install the poll() reactor, or select()
if poll() is unavailable.
"""
"""
Tests for L{twisted.internet.default}.
"""
import select
import sys
from twisted.internet import default
from twisted.internet.default import _getInstallFunction, install
from twisted.internet.interfaces import IReactorCore
from twisted.internet.test.test_main import NoReactor
from twisted.python.reflect import requireModule
from twisted.python.runtime import Platform
from twisted.trial.unittest import SynchronousTestCase
unix = Platform("posix", "other")
linux = Platform("posix", "linux2")
windows = Platform("nt", "win32")
osx = Platform("posix", "darwin")
class PollReactorTests(SynchronousTestCase):
"""
Tests for the cases of L{twisted.internet.default._getInstallFunction}
in which it picks the poll(2) or epoll(7)-based reactors.
"""
def assertIsPoll(self, install):
"""
Assert the given function will install the poll() reactor, or select()
if poll() is unavailable.
"""
def test_noChecksOnLinux(self):
"""
If the platform is not Linux, C{isDocker()} always returns L{False}.
"""
platform = Platform(None, 'win32')
self.assertFalse(platform.isDocker())
def test_noChecksOnLinux(self):
"""
If the platform is not Linux, C{isDocker()} always returns L{False}.
"""
platform = Platform(None, 'win32')
self.assertFalse(platform.isDocker())
