def test_pidfile(self):
"""
The result of L{TwistdSlaveProcess.getCommandLine} includes an option
setting the name of the pidfile to something including the instance id.
"""
slave = TwistdSlaveProcess("/path/to/twistd", "something", "config", 7, [])
commandLine = slave.getCommandLine()
option = "PIDFile=something-instance-7.pid"
self.assertIn(option, commandLine)
self.assertEquals(commandLine[commandLine.index(option) - 1], "-o")
def test_pidfile(self):
"""
The result of L{TwistdSlaveProcess.getCommandLine} includes an option
setting the name of the pidfile to something including the instance id.
"""
slave = TwistdSlaveProcess("/path/to/twistd", "something", "config", 7, [])
commandLine = slave.getCommandLine()
option = 'PIDFile=something-instance-7.pid'
self.assertIn(option, commandLine)
self.assertEquals(commandLine[commandLine.index(option) - 1], '-o')
def test_metaDescriptorInheritance(self):
"""
If a L{TwistdSlaveProcess} specifies a meta-file-descriptor to be
inherited, it should be inherited by the subprocess, and a
configuration argument should be passed that indicates to the
subprocess.
"""
imps = InMemoryProcessSpawner()
dspm = DelayedStartupProcessMonitor(imps)
# Most arguments here will be ignored, so these are bogus values.
slave = TwistdSlaveProcess(twistd="bleh",
tapname="caldav",
configFile="/does/not/exist",
id=10,
interfaces='127.0.0.1',
metaSocket=FakeDispatcher().addSocket())
dspm.addProcessObject(slave, {})
dspm.startService()
oneProcessTransport = imps.waitForOneProcess()
self.assertIn("MetaFD=4", oneProcessTransport.args)
self.assertEquals(
oneProcessTransport.args[oneProcessTransport.args.index("MetaFD=4")
- 1], '-o',
"MetaFD argument was not passed as an option")
self.assertEquals(oneProcessTransport.childFDs, {
0: 'w',
1: 'r',
2: 'r',
4: 4
})
def test_acceptDescriptorInheritance(self):
"""
If a L{TwistdSlaveProcess} specifies some file descriptors to be
inherited, they should be inherited by the subprocess.
"""
imps = InMemoryProcessSpawner()
dspm = DelayedStartupProcessMonitor(imps)
# Most arguments here will be ignored, so these are bogus values.
slave = TwistdSlaveProcess(
twistd="bleh",
tapname="caldav",
configFile="/does/not/exist",
id=10,
interfaces='127.0.0.1',
inheritFDs=[3, 7],
inheritSSLFDs=[19, 25],
)
dspm.addProcessObject(slave, {})
dspm.startService()
# We can easily stub out spawnProcess, because caldav calls it, but a
# bunch of callLater calls are buried in procmon itself, so we need to
# use the real clock.
oneProcessTransport = imps.waitForOneProcess()
self.assertEquals(oneProcessTransport.childFDs, {
0: 'w',
1: 'r',
2: 'r',
3: 3,
7: 7,
19: 19,
25: 25
})
def test_startServiceDelay(self):
"""
Starting a L{DelayedStartupProcessMonitor} should result in the process
objects that have been added to it being started once per
delayInterval.
"""
imps = InMemoryProcessSpawner()
dspm = DelayedStartupProcessMonitor(imps)
dspm.delayInterval = 3.0
sampleCounter = range(0, 5)
for counter in sampleCounter:
slave = TwistdSlaveProcess(twistd="bleh",
tapname="caldav",
configFile="/does/not/exist",
id=counter * 10,
interfaces='127.0.0.1',
metaSocket=FakeDispatcher().addSocket())
dspm.addProcessObject(slave, {"SAMPLE_ENV_COUNTER": str(counter)})
dspm.startService()
# Advance the clock a bunch of times, allowing us to time things with a
# comprehensible resolution.
imps.pump([0] + [dspm.delayInterval / 2.0] * len(sampleCounter) * 3)
expectedValues = [dspm.delayInterval * n for n in sampleCounter]
self.assertEquals([x.startedAt for x in imps.processTransports],
expectedValues)