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o �b�a � @ s� d Z ddlZddlmZmZmZ ddlmZ ddlm Z ddl m Z ddl m Z mZ ddlmZ dd lmZ G d d � d �ZG d d � d ee�ZG dd� dej�ZG dd� dej�ZdS )z& Tests for L{twisted.runner.procmon}. � N)� ProcessDone�ProcessExitedAlready�ProcessTerminated)�Clock)�globalLogPublisher)�Failure)�LoggingProtocol�ProcessMonitor)� MemoryReactor)�unittestc @ s> e Zd ZdZdZdZdZ d dd�Zdd� Zd d � Z dS ) � DummyProcessa 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 � Nr c C s@ || _ || _|| _|| _|| _|| _|| _|| _| | _| | _ d S �N) �proto�_reactor� _executable�_args� _environment�_path�_uid�_gid�_usePTY� _childFDs) �self�reactor� executable�args� environment�pathr �uid�gid�usePTY�childFDs� r# �B/usr/lib/python3/dist-packages/twisted/runner/test/test_procmon.py�__init__ s zDummyProcess.__init__c C sP | j dfdd�}| jdu rt� �||v r&|| \}}| j�|| j|�| _dS dS )a� 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} r �r r )�TERM�KILLN)�_terminationDelay�pidr r � callLater� processEnded�_signalHandler)r �signalID�params�delay�statusr# r# r$ � signalProcess: s ��zDummyProcess.signalProcessc C s, d| _ ttd�}| j�t|| |��� dS )zC Deliver the process ended event to C{self.proto}. Nr& )r* r r r r, r )r r1 � statusMapr# r# r$ r, Q s � zDummyProcess.processEnded)NNr N) �__name__� __module__� __qualname__�__doc__r* r r) r% r2 r, r# r# r# r$ r s � r c @ s0 e Zd ZdZdd� Zdi dddddfdd�ZdS ) �DummyProcessReactorz� @ivar spawnedProcesses: a list that keeps track of the fake process instances built by C{spawnProcess}. @type spawnedProcesses: C{list} c C s t �| � t�| � g | _d S r )r r% r �spawnedProcesses�r r# r# r$ r% d s z DummyProcessReactor.__init__r# Nr c C s4 t | ||||||||| � } |�| � | j�| � | S )zz Fake L{reactor.spawnProcess}, that logs all the process arguments and returns a L{DummyProcess}. )r �makeConnectionr9 �append) r �processProtocolr r �envr r r r! r" �procr# r# r$ � spawnProcessj s � z DummyProcessReactor.spawnProcess)r4 r5 r6 r7 r% r@ r# r# r# r$ r8 ] s �r8 c @ s e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zdd� Zd d � Zd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd.d/� Zd0d1� Zd2d3� Z d4d5� Z d6d7� Z d8d9� Z d:d;� Z d<d=� Z!d>d?� Z"d@dA� Z#dBS )C� ProcmonTestsz& Tests for L{ProcessMonitor}. c C s2 t � | _t| jd�| _d| j_d| j_d| j_dS )zL Create an L{ProcessMonitor} wrapped around a fake reactor. �r � � N)r8 r r �pm�minRestartDelay�maxRestartDelay� thresholdr: r# r# r$ �setUp� s zProcmonTests.setUpc C sL | j jdddgddi d� t| j �}| �d|� | �d|� | �d|� d S ) z+ Repr includes all details �foo�arg1�arg2r rC �r r r> �1�2N)rE � addProcess�repr�assertIn�r �representationr# r# r$ �test_reprLooksGood� s z ProcmonTests.test_reprLooksGoodc C s< | j jdddgi d� t| j �}| �d|� | �d|� dS )z� 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. rJ rK rL )r> �(�)N)rE rP rQ � assertNotInrS r# r# r$ �test_simpleReprLooksGood� s 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. rJ rK rL r rC rM � processesN)rE rP � assertEqual� __getstate__r: r# r# r$ � test_getStateIncludesProcesses� s �z+ProcmonTests.test_getStateIncludesProcessesc C s | � d| j�� � dS )z~ The private L{ProcessMonitor._reactor} instance variable should not be included in the pickle state. r N)rX rE r\ r: r# r# r$ � test_getStateExcludesReactor� � z)ProcmonTests.test_getStateExcludesReactorc C s~ | j jdddgddi d� | �| j ji � | �| j jdddgddi fi� | j �� | j�d� | �t| j j� � �dg� dS ) z� L{ProcessMonitor.addProcess} only starts the named program if L{ProcessMonitor.startService} has been called. rJ rK rL r rC rM r N) rE rP r[ � protocolsrZ � startServicer �advance�list�keysr: r# r# r$ �test_addProcess� s z ProcmonTests.test_addProcessc C s> | j jdddgddi d� | jt| j jdddgddi d� dS )z| L{ProcessMonitor.addProcess} raises a C{KeyError} if a process with the given name already exists. rJ rK rL r rC rM N)rE rP � assertRaises�KeyErrorr: r# r# r$ � test_addProcessDuplicateKeyError� s �z-ProcmonTests.test_addProcessDuplicateKeyErrorc C sP ddi}| j �� | j jddgdd|d� | j�d� | �| jjd j|� dS ) z� L{ProcessMonitor.addProcess} takes an C{env} parameter that is passed to L{IReactorProcess.spawnProcess}. �KEY�valuerJ r rC rM r N)rE ra rP r rb r[ r9 r )r �fakeEnvr# r# r$ �test_addProcessEnv� s z ProcmonTests.test_addProcessEnvc C sD | j �� | j jddgdd� | j�d� | �| jjd jd� dS )z� L{ProcessMonitor.addProcess} takes an C{cwd} parameter that is passed to L{IReactorProcess.spawnProcess}. rJ z /mnt/lala)�cwdr N)rE ra rP r rb r[ r9 r r: r# r# r$ �test_addProcessCwd� s z ProcmonTests.test_addProcessCwdc C sR | j �� | j �ddg� | �t| j j�d� | j �d� | �t| j j�d� dS )zm L{ProcessMonitor.removeProcess} removes the process from the public processes list. rJ r r N)rE ra rP r[ �lenrZ � removeProcessr: r# r# r$ �test_removeProcess� s z ProcmonTests.test_removeProcessc C s | j �� | �t| j jd� dS )zz L{ProcessMonitor.removeProcess} raises a C{KeyError} if the given process name isn't recognised. rJ N)rE ra rf rg rp r: r# r# r$ �!test_removeProcessUnknownKeyError� s 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. rJ N) rE rP � startProcess�assertIsInstancer` r rR � timeStartedrd r: r# r# r$ �test_startProcess� s z ProcmonTests.test_startProcessc C s2 | j �ddg� | j �d� | �| j �d�� dS )zr L{ProcessMonitor.startProcess} silently returns if the named process is already started. rJ N)rE rP rs � assertIsNoner: r# r# r$ � test_startProcessAlreadyStarted s z,ProcmonTests.test_startProcessAlreadyStartedc C � | � t| jjd� dS )zy L{ProcessMonitor.startProcess} raises a C{KeyError} if the given process name isn't recognised. rJ N)rf rg rE rs r: r# r# r$ � test_startProcessUnknownKeyError r_ z-ProcmonTests.test_startProcessUnknownKeyErrorc C s� | j �� | j �ddg� | �d| j j� d }| j jd j_| j�| j j � | j � d� | j�|� | � | j� � | j j d � dS )zm L{ProcessMonitor.stopProcess} immediately sends a TERM signal to the named process. rJ r N)rE ra rP rR r` � transportr) r rb rH � stopProcessr[ �secondsru )r � timeToDier# r# r$ �"test_stopProcessNaturalTermination s z/ProcmonTests.test_stopProcessNaturalTerminationc C s� | j �� | j �ddg� | �d| j j� | j�| j j� | j jd j}| j j d |_ | j � d� | j�| j j d � | � d| j j d � | j�d� | � | j�� | j j d � dS )z� L{ProcessMonitor.stopProcess} kills a process which fails to terminate naturally within L{ProcessMonitor.killTime} seconds. rJ r g N)rE ra rP rR r` r rb rH r{ �killTimer) r| r[ ru r} )r r? r# r# r$ �test_stopProcessForcedKill4 s z'ProcmonTests.test_stopProcessForcedKillc C ry )zx L{ProcessMonitor.stopProcess} raises a C{KeyError} if the given process name isn't recognised. rJ N)rf rg rE r| r: r# r# r$ � test_stopProcessUnknownKeyErrorJ r_ z,ProcmonTests.test_stopProcessUnknownKeyErrorc C s& | j �ddg� | �| j �d�� dS )z� 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� | � d| jj � | j� | jj � | jj d � d� | �t|�d� |d d }|d d }|d d }|d d }| �|d � | �|d � | �|d� | �|d � d S ) zS Getting a complete output line on stdout generates a log message. rJ r � hello world! r � log_namespace�stream�tag�line�%twisted.runner.procmon.ProcessMonitor�stdout� hello world!N)� addCleanupr �removeObserverr< � addObserverrE rP ra r rb rR r` rH � outReceived� assertEqualsro �r �events� namespacer� r� r� r# r# r$ � test_outputReceivedCompleteLineZ �$ z,ProcmonTests.test_outputReceivedCompleteLinec C r� ) zS Getting a complete output line on stderr generates a log message. rJ r r� r r� r� r� r� r� �stderrr� N)r� r r� r< r� rE rP ra r rb rR r` rH � errReceivedr� ro r� r# r# r$ �!test_ouputReceivedCompleteErrLineu r� z.ProcmonTests.test_ouputReceivedCompleteErrLinec C s� g }| � tj|j� t�|j� | j�ddg� | j�� | j� d� | � d| jj � | j� | jj � | jj d � d� | �t|�d� |d }|d }|d }|d }|d }| �|d � | �|d � | �|d� | �|td �� d S ) zN Getting invalid UTF-8 results in the repr of the raw message rJ r s �hello world! r r� r� r� r� r� r� s �hello world!N)r� r r� r< r� rE rP ra r rb rR r` rH r� r� ro rQ )r r� �messager� r� r� �outputr# r# r$ �*test_outputReceivedCompleteLineInvalidUTF8� s& z7ProcmonTests.test_outputReceivedCompleteLineInvalidUTF8c C s g }| � tj|j� t�|j� | j�ddg� | j�� | j� d� | � d| jj � | j� | jj � | jj d � d� | �t|�d� | jj d �ttd��� | �t|�d� |d d }|d d }|d d }|d d }| �|d � | �|d � | �|d� | �|d � d S ) zM Getting partial line results in no events until process end rJ r s hello world!r 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 � | � |� � � | �d| j j� dS )z� L{ProcessMonitor.connectionLost} cancels a scheduled process killer and deletes the DelayedCall from the L{ProcessMonitor.murder} list. rJ r N)rE rP ra r rb r| rR �murder� assertTrue�activer` r{ r) � assertFalserX )r � delayedCallr# r# r$ � test_connectionLostMurderCancel� s 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 rC � rJ r r N)rE rF rG ra rP r[ r0 r rb rH r` r, r r r: r# r# r$ �%test_connectionLostMinMaxRestartDelay� s z2ProcmonTests.test_connectionLostMinMaxRestartDelayc C s� | j �� | j �ddg� | j�| j jd � | �d| j j� | �| j j d | j j � | j jd � t t d��� | �| j j d | j j d � dS )z| L{ProcessMonitor.connectionLost} doubles the restart delay each time the process dies too quickly. rJ r r rC N)rE ra rP r rb rH rR r` r[ r0 rF r, r r r: r# r# r$ �&test_connectionLostBackoffDelayDoubles s z3ProcmonTests.test_connectionLostBackoffDelayDoublesc C s: | j �ddg� | j �� | j�d� | �d| j j� dS )zP L{ProcessMonitor.startService} starts all monitored processes. rJ r N)rE rP ra r rb rR r` r: r# r# r$ �test_startService s z ProcmonTests.test_startServicec C s� | j �ddg� | j �ddg� | j �� | j�| j j� | �d| j j� | �d| j j� | j�d� | j �� | j�| j j d � | � i | j j� dS )zT L{ProcessMonitor.stopService} should stop all monitored processes. rJ �barr N) rE rP ra r rb rH rR r` � stopServicer� r[ r: r# r# r$ �test_stopService' s z ProcmonTests.test_stopServicec C sl | j �ddg� | j �� | j�d� | j �� | j�d� t| jj�}|�� }| � |g � | � |j � dS )zR L{ProcessMonitor.restartAll} succeeds when there is one process. rJ r N) rE rP ra r rb � 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 d��� | � | j j d � � � | j �� | �| j j d � � � dS )ze L{ProcessMonitor.stopService} should cancel any scheduled process restarts. rJ r r N)rE rP ra r rb rH rR r` r, r r r� �restartr� r� r� r: r# r# r$ � test_stopServiceCancelRestartsM s z+ProcmonTests.test_stopServiceCancelRestartsc C sx d| j _d| j _| j �� | j �ddg� | j�d� | j �d� | j�d� | j �� | j�d� | � | j j i � dS )ze L{ProcessMonitor.stopService} should cancel all scheduled process restarts. � rJ r � N) rE rH rF ra rP r rb r| r� r[ r` r: r# r# r$ �(test_stopServiceCleanupScheduledRestartsa s 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 S ) �DeprecationTestszQ Tests that check functionality that should be deprecated is deprecated. c C s t � | _t| jd�| _dS )z5 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 ) a _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. rJ r F�category�toTupler� Tzno tuple deprecation found:N) rE rP rZ r� ro � flushWarnings�assertIs�DeprecationWarningr� rQ )r � myprocesses�warnings� foundToTuple�warningr# r# r$ � test_toTuple� s �z DeprecationTests.test_toTuplec C sF | j j}| �|i � | �� }|�d�}| �|d t� | �|g � dS )a 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 z DeprecationTests.test_processesc C s2 t �| j� | �� }|D ] }| �|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 � twisted.trialr r r8 �TestCaserA �SynchronousTestCaser� r# r# r# r$ �<module> s K/ p
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