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Tests for L{twisted.runner.procmon}.
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An incomplete and fake L{IProcessTransport} implementation for testing how
L{ProcessMonitor} behaves when its monitored processes exit.
@ivar _terminationDelay: the delay in seconds after which the DummyProcess
will appear to exit when it receives a TERM signal
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A partial implementation of signalProcess which can only handle TERM and
KILL signals.
- When a TERM signal is given, the dummy process will appear to exit
after L{DummyProcess._terminationDelay} seconds with exit code 0
- When a KILL signal is given, the dummy process will appear to exit
immediately with exit code 1.
@param signalID: The signal name or number to be issued to the process.
@type signalID: C{str}
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Deliver the process ended event to C{self.proto}.
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@ivar spawnedProcesses: a list that keeps track of the fake process
instances built by C{spawnProcess}.
@type spawnedProcesses: C{list}
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Fake L{reactor.spawnProcess}, that logs all the process
arguments and returns a L{DummyProcess}.
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Tests for L{ProcessMonitor}.
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Create an L{ProcessMonitor} wrapped around a fake reactor.
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Repr includes all details
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Repr does not include unneeded details.
Values of attributes that just mean "inherit from launching
process" do not appear in the repr of a process.
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z%ProcmonTests.test_simpleReprLooksGoodc C sD | j jdddgddi d� | �| j �� d dddgddi fi� dS ) zW
The list of monitored processes must be included in the pickle state.
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The private L{ProcessMonitor._reactor} instance variable should not be
included in the pickle state.
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L{ProcessMonitor.addProcess} only starts the named program if
L{ProcessMonitor.startService} has been called.
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L{ProcessMonitor.addProcess} raises a C{KeyError} if a process with the
given name already exists.
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L{ProcessMonitor.addProcess} takes an C{env} parameter that is passed to
L{IReactorProcess.spawnProcess}.
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L{ProcessMonitor.addProcess} takes an C{cwd} parameter that is passed
to L{IReactorProcess.spawnProcess}.
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L{ProcessMonitor.removeProcess} removes the process from the public
processes list.
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L{ProcessMonitor.removeProcess} raises a C{KeyError} if the given
process name isn't recognised.
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z.ProcmonTests.test_removeProcessUnknownKeyErrorc C sH | j �ddg� | j �d� | �| j jd t� | �d| j j�� � dS )a
When a process has been started, an instance of L{LoggingProtocol} will
be added to the L{ProcessMonitor.protocols} dict and the start time of
the process will be recorded in the L{ProcessMonitor.timeStarted}
dictionary.
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L{ProcessMonitor.startProcess} silently returns if the named process is
already started.
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L{ProcessMonitor.startProcess} raises a C{KeyError} if the given
process name isn't recognised.
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L{ProcessMonitor.stopProcess} immediately sends a TERM signal to the
named process.
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L{ProcessMonitor.stopProcess} kills a process which fails to terminate
naturally within L{ProcessMonitor.killTime} seconds.
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z'ProcmonTests.test_stopProcessForcedKillc C ry )zx
L{ProcessMonitor.stopProcess} raises a C{KeyError} if the given process
name isn't recognised.
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L{ProcessMonitor.stopProcess} silently returns if the named process
is already stopped. eg Process has crashed and a restart has been
rescheduled, but in the meantime, the service is stopped.
rJ N)rE rP rw r| r: r# r# r$ � test_stopProcessAlreadyStoppedQ s z+ProcmonTests.test_stopProcessAlreadyStoppedc C �� g }| � tj|j� t�|j� | j�ddg� | j�� | j� d� | �
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Getting a complete output line on stdout generates a log message.
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hello world!
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Getting a complete output line on stderr generates a log message.
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Getting invalid UTF-8 results in the repr of the raw message
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Getting partial line results in no events until process end
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r� r� r� r� r� r� r� N)r� r r� r< r� rE rP ra r rb rR r` rH r� r� ro r, r r r� r# r# r$ � test_outputReceivedPartialLine� s(
z+ProcmonTests.test_outputReceivedPartialLinec C s� | j �ddg� | j �� | j�d� | �d| j j� | j�| j j� | j jd �t t
d��� | � d| j j� | j�d� | �d| j j� dS )z�
L{ProcessMonitor.connectionLost} should immediately restart a process
if it has been running longer than L{ProcessMonitor.threshold} seconds.
rJ r N) rE rP ra r rb rR r` rH r, r r rX r: r# r# r$ �#test_connectionLostLongLivedProcess� s
z0ProcmonTests.test_connectionLostLongLivedProcessc C s� | j �ddg� | j �� | j�d� | j �d� | �d| j j� | j jd }| �|� � � | j�| j j
d j j � | �
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L{ProcessMonitor.connectionLost} cancels a scheduled process killer and
deletes the DelayedCall from the L{ProcessMonitor.murder} list.
rJ r
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z,ProcmonTests.test_connectionLostMurderCancelc C sj | j �� | j �ddg� | �d| j j� | j jd j�d� | j�| j jd jj � | �
d| j j� dS )z�
L{ProcessMonitor.connectionLost} removes the corresponding
ProcessProtocol instance from the L{ProcessMonitor.protocols} list.
rJ r( N) rE ra rP rR r` r{ r2 r rb r) rX r: r# r# r$ �#test_connectionLostProtocolDeletion� s
z0ProcmonTests.test_connectionLostProtocolDeletionc C s� d| j _d| j _| j �� | j �ddg� | �| j jd | j j� | j�| j j d � | j j
d � t t
d��� | �| j jd | j j� dS )z}
L{ProcessMonitor.connectionLost} will wait at least minRestartDelay s
and at most maxRestartDelay s
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z2ProcmonTests.test_connectionLostMinMaxRestartDelayc C s� | j �� | j �ddg� | j�| j jd � | �d| j j� | �| j j d | j j
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L{ProcessMonitor.connectionLost} doubles the restart delay each time
the process dies too quickly.
rJ r
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z3ProcmonTests.test_connectionLostBackoffDelayDoublesc C s: | j �ddg� | j �� | j�d� | �d| j j� dS )zP
L{ProcessMonitor.startService} starts all monitored processes.
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L{ProcessMonitor.stopService} should stop all monitored processes.
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z ProcmonTests.test_stopServicec C sl | j �ddg� | j �� | j�d� | j �� | j�d� t| jj�}|�� }| � |g � | �
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L{ProcessMonitor.restartAll} succeeds when there is one process.
rJ r
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restartAllrc r9 �popr� rw r* )r rZ � myProcessr# r# r$ �!test_restartAllRestartsOneProcess= s
z.ProcmonTests.test_restartAllRestartsOneProcessc C s� | j �ddg� | j �� | j�| j j� | �d| j j� | j�d� | j jd �t t
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L{ProcessMonitor.stopService} should cancel any scheduled process
restarts.
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z+ProcmonTests.test_stopServiceCancelRestartsc C sx d| j _d| j _| j �� | j �ddg� | j�d� | j �d� | j�d� | j �� | j�d� | � | j j
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L{ProcessMonitor.stopService} should cancel all scheduled process
restarts.
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z5ProcmonTests.test_stopServiceCleanupScheduledRestartsN)$r4 r5 r6 r7 rI rU rY r] r^ re rh rl rn rq rr rv rx rz r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r# r# r# r$ rA � sD
rA c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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Tests that check functionality that should be deprecated is deprecated.
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Create reactor and process monitor.
rB N)r8 r r rE r: r# r# r$ rI s zDeprecationTests.setUpc C sx | j �ddg� | j j}| �t|�d� | �� }d}|D ]}| �|d t� d|d v r.d}q | �|dt |�� �� d S )
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_Process.toTuple is deprecated.
When getting the deprecated processes property, the actual
data (kept in the class _Process) is converted to a tuple --
which produces a DeprecationWarning per process so converted.
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F�category�toTupler� Tzno tuple deprecation found:N)
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Accessing L{ProcessMonitor.processes} results in deprecation warning
Even when there are no processes, and thus no process is converted
to a tuple, accessing the L{ProcessMonitor.processes} property
should generate its own DeprecationWarning.
r r� N)rE rZ r� r� r� r� r� )r � myProcessesr� �firstr# r# r$ �test_processes� s
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}| �|d t� q dS )zO
Pickling an L{ProcessMonitor} results in deprecation warnings
r� N)�pickle�dumpsrE r� r� r� )r r� r� r# r# r$ �
test_getstate� s
�z DeprecationTests.test_getstateN)r4 r5 r6 r7 rI r� r� r� r# r# r# r$ r� y s r� )r7 r� �twisted.internet.errorr r r �twisted.internet.taskr �twisted.loggerr �twisted.python.failurer �twisted.runner.procmonr r �twisted.test.proto_helpersr
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twisted.trialr r r8 �TestCaserA �SynchronousTestCaser� r# r# r# r$ �<module> s K/ p