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Tests for L{twisted.application.runner._pidfile}.
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Decorator for tests that are not expected to work on all platforms.
Calling L{PIDFile.isRunning} currently raises L{NotImplementedError} on
non-POSIX platforms.
On an unsupported platform, we expect to see any test that calls
L{PIDFile.isRunning} to raise either L{NotImplementedError}, L{SkipTest},
or C{self.failureException}.
(C{self.failureException} may occur in a test that checks for a specific
exception but it gets NotImplementedError instead.)
@param f: The test method to decorate.
@return: The wrapped callable.
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Tests for L{PIDFile}.
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L{PIDFile} conforms to L{IPIDFile}.
N)r r0 r r �r �pidFiler' r' r( �test_interfaceP s zPIDFileTests.test_interfacec C s | � tjdd�d� dS )zR
L{PIDFile._format} returns the expected format when given a PID.
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N)� assertEqualr �_format)r r' r' r( �test_formatWithPIDW s z PIDFileTests.test_formatWithPIDc C s. d}t | �t j|d���}| �||�� � dS )zK
L{PIDFile.read} returns the PID from the given file path.
r4 r5 N)r r0 r8 r7 �read�r r6 r2 r' r' r( �test_readWithPID] s z PIDFileTests.test_readWithPIDc C s: d}t | �d��}| �t|j�}| �t|�d|��� dS )�f
L{PIDFile.read} raises L{InvalidPIDFileError} when given an empty file
path.
� �#non-integer PID value in PID file: N�r r0 r r r: r7 r" �r �pidValuer2 r% r' r' r( �test_readEmptyPIDg � z PIDFileTests.test_readEmptyPIDc C s: d}t | �|��}| �t|j�}| �t|�d|��� dS )r= s $foo!r? Nr@ rA r' r' r( �test_readWithBogusPIDr rD z"PIDFileTests.test_readWithBogusPIDc C s. t | �� �}| �t|j�}| �t|�d� dS )zc
L{PIDFile.read} raises L{NoPIDFound} when given a non-existing file
path.
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L{PIDFile.read} re-raises L{OSError} if the associated C{errno} is
anything other than L{errno.ENOENT}.
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L{PIDFile._write} stores the given PID.
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L{PIDFile._write} raises L{ValueError} when given an invalid PID.
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L{PIDFile.writeRunningPID} stores the PID for the current process.
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L{PIDFile.remove} removes the PID file.
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L{PIDFile.isRunning} returns true for a process that does exist.
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L{PIDFile.isRunning} returns true for this process (which is running).
@note: This differs from L{PIDFileTests.test_isRunningDoesExist} in
that it actually invokes the C{kill} system call, which is useful for
testing of our chosen method for probing the existence of a process.
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L{PIDFile.isRunning} raises L{StalePIDFileError} for a process that
does not exist (errno=ESRCH).
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L{PIDFile.isRunning} returns true for a process that we are not allowed
to kill (errno=EPERM).
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L{PIDFile.isRunning} returns true for a process that we are not allowed
to kill (errno=EPERM).
@note: This differs from L{PIDFileTests.test_isRunningNotAllowed} in
that it actually invokes the C{kill} system call, which is useful for
testing of our chosen method for probing the existence of a process
that we are not allowed to kill.
@note: In this case, we try killing C{init}, which is process #1 on
POSIX systems, so this test is not portable. C{init} should always be
running and should not be killable by non-root users.
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L{PIDFile.isRunning} re-raises L{OSError} if the attached C{errno}
value from L{os.kill} is not an expected one.
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L{PIDFile.isRunning} returns false if the PID file doesn't exist.
N)r r0 r^ rh r1 r' r' r( �test_isRunningNoPIDFile! s z$PIDFileTests.test_isRunningNoPIDFilec C sv t | �� �}| �|j�� � |� | �|j�� � | �|�� t� � W d � n1 s,w Y | �|j�� � dS )z�
When used as a context manager, a L{PIDFile} will store the current pid
on entry, then removes the PID file on exit.
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When used as a context manager, a L{PIDFile} will replace the
underlying PIDFile rather than raising L{AlreadyRunningError} if the
contained PID file exists but refers to a non-running PID.
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When used as a context manager, a L{PIDFile} will raise
L{AlreadyRunningError} if the there is already a running process with
the contained PID.
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Tests for L{NonePIDFile}.
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L{NonePIDFile} conforms to L{IPIDFile}.
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L{NonePIDFile.read} raises L{NoPIDFound}.
rF N)r r r r: r7 r" rG r' r' r( � test_readl � zNonePIDFileTests.test_readc C s* t � }| �t|jd�}| �|jtj� dS )zZ
L{NonePIDFile._write} raises L{OSError} with an errno of L{errno.EPERM}.
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test_writeu s zNonePIDFileTests.test_writec C �( t � }| �t|j�}| �|jtj� dS )zk
L{NonePIDFile.writeRunningPID} raises L{OSError} with an errno of
L{errno.EPERM}.
N)r r rL rZ r7 rM rq r� r' r' r( r[ ~ s z%NonePIDFileTests.test_writeRunningPIDc C r� )zZ
L{NonePIDFile.remove} raises L{OSError} with an errno of L{errno.EPERM}.
N)r r rL r] r7 rM �ENOENTr� r' r' r( r_ � r� z NonePIDFileTests.test_removec C s t � }| �|�� d� dS )z<
L{NonePIDFile.isRunning} returns L{False}.
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When used as a context manager, a L{NonePIDFile} doesn't raise, despite
not existing.
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