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Tests for L{twisted.trial.util}
� N)�StringIO)� implementer)� DelayedCall)�IProcessTransport)�filepath)�Failure)�util)�SynchronousTestCase)�DirtyReactorAggregateError�_Janitor�acquireAttribute�excInfoOrFailureToExcInfoc @ �0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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Tests for L{TestCase.mktemp}, a helper function for creating temporary file
or directory names.
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The path name returned by C{mktemp} is directly beneath a directory
which identifies the test method which created the name.
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Repeated calls to C{mktemp} return different values.
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The directory part of the path name returned by C{mktemp} exists.
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The path returned by C{mktemp} is beneath the current working directory.
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Tests for the L{DirtyReactorAggregateError}.
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Delayed calls are formatted nicely.
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DelayedCalls: (set twisted.internet.base.DelayedCall.debug = True to debug)
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Selectables are formatted nicely.
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Selectables:
selectable 1
selectable 2Nr0 r2 r r r �test_formatSelectablesZ s
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Both delayed calls and selectables can appear in the same error.
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DelayedCalls: (set twisted.internet.base.DelayedCall.debug = True to debug)
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Selectables:
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�zEDirtyReactorAggregateErrorTests.test_formatDelayedCallsAndSelectablesN)r( r) r* r+ r4 r5 r: r r r r r- G s
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� ZdS ) � StubReactora~
A reactor stub which contains enough functionality to be used with the
L{_Janitor}.
@ivar iterations: A list of the arguments passed to L{iterate}.
@ivar removeAllCalled: Number of times that L{removeAll} was called.
@ivar selectables: The value that will be returned from L{removeAll}.
@ivar delayedCalls: The value to return from L{getDelayedCalls}.
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@param delayedCalls: See L{StubReactor.delayedCalls}.
@param selectables: See L{StubReactor.selectables}.
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Increment C{self.iterations}.
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Return C{self.delayedCalls}.
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Increment C{self.removeAllCalled} and return C{self.selectables}.
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r; c @ � e Zd ZdZdd� Zdd� ZdS )�StubErrorReporterz�
A subset of L{twisted.trial.itrial.IReporter} which records L{addError}
calls.
@ivar errors: List of two-tuples of (test, error) which were passed to
L{addError}.
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Record parameters in C{self.errors}.
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Tests for L{_Janitor}!
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During pending-call cleanup, the reactor will be spun twice with an
instant timeout. This is not a requirement, it is only a test for
current behavior. Hopefully Trial will eventually not do this kind of
reactor stuff.
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_cleanPendingr r= �r rT �janr r r � test_cleanPendingSpinsReactor� s z*JanitorTests.test_cleanPendingSpinsReactorc C sV dd� }g }t d|di |jdd� �}t|g�}tdd|d�}|�� | �||g� dS ) zW
During pending-call cleanup, the janitor cancels pending timed calls.
c S � dS )N�Lulzr r r r r �func� � z8JanitorTests.test_cleanPendingCancelsCalls.<locals>.func�, r c S � d S rJ r ��xr r r �<lambda>� � z<JanitorTests.test_cleanPendingCancelsCalls.<locals>.<lambda>NrS )r rB r; r rU r )r r[ � cancelled� delayedCallrT rW r r r � test_cleanPendingCancelsCalls� s
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The Janitor produces string representations of delayed calls from the
delayed call cleanup method. It gets the string representations
*before* cancelling the calls; this is important because cancelling the
call removes critical debugging information from the string
representation.
r] c S r^ rJ r r r r r ra � rb zIJanitorTests.test_cleanPendingReturnsDelayedCallStrings.<locals>.<lambda>r c S r^ rJ r r_ r r r ra � rb c S rY �Nr r r r r r ra � rb ��secondsNrS )r r1 r; r rU r )r rd �delayedCallStringrT rW �stringsr r r �*test_cleanPendingReturnsDelayedCallStrings� s �
z7JanitorTests.test_cleanPendingReturnsDelayedCallStringsc C s0 t g �}tdd|d�}|�� | �|jd� dS )zM
The Janitor will remove selectables during reactor cleanup.
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_cleanReactorr r> rV r r r �#test_cleanReactorRemovesSelectables� s z0JanitorTests.test_cleanReactorRemovesSelectablesc C sR t t�G dd� d��}|� }tg |g�}tdd|d�}|�� | �|jdg� dS )zI
The Janitor will kill processes during reactor cleanup.
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A stub L{IProcessTransport} provider which records signals.
@ivar signals: The signals passed to L{signalProcess}.
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Append C{signal} to C{self.signals}.
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The Janitor returns string representations of the selectables that it
cleaned up from the reactor cleanup method.
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A stub Selectable which only has an interesting string
representation.
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(SELECTABLE!)r rF r r r �__repr__ r\ zSJanitorTests.test_cleanReactorReturnsSelectableStrings.<locals>.Selectable.__repr__N)r( r) r* r+ r1 rw r r r r �
Selectable s rx NrS rv )r; r r rl )r rx rT rW r r r �)test_cleanReactorReturnsSelectableStrings
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The post-case cleanup method will return True and not call C{addError}
on the result if there are no pending calls.
rS N)r; �objectrL r r �postCaseCleanupr rN �r rT rP �reporterrW r r r � test_postCaseCleanupNoErrors s z)JanitorTests.test_postCaseCleanupNoErrorsc C s� t ddd� di dd� dd� dd� d�}t|�}t|gg �}t� }t� }t|||d�}| �|�� � | �t |j
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The post-case cleanup method will return False and call C{addError} on
the result with a L{DirtyReactorAggregateError} Failure if there are
pending calls.
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The post-class cleanup method will not call C{addError} on the result
if there are no pending calls or selectables.
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The post-class cleanup method call C{addError} on the result with a
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selectablerT rP r} rW r r r �)test_postClassCleanupWithSelectableErrors[ s $z6JanitorTests.test_postClassCleanupWithSelectableErrorsN)r( r) r* r+ rX re rk rm rt ry r~ r� r� r� r� r r r r rR � s rR c @ r, ) �RemoveSafelyTestsz*
Tests for L{util._removeSafely}.
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If a path doesn't contain a node named C{"_trial_marker"}, that path is
not removed by L{util._removeSafely} and a L{util._NoTrialMarker}
exception is raised instead.
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If an L{OSError} is raised while removing a path in
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name.
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in which path removal fails.
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If an L{OSError} is raised while removing a path in
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name. If that attempt fails, the L{OSError} is re-raised.
c S � t d��)r� zpath removal failedr� r r r r r� � � zLRemoveSafelyTests.test_removeSafelyRemoveFailsMoveFails.<locals>.dummyRemovec S r� )z�
Raise an C{OSError} to emulate the branch of L{util._removeSafely}
in which path movement fails.
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z7RemoveSafelyTests.test_removeSafelyRemoveFailsMoveFailsN)r( r) r* r+ r� r� r� r r r r r� j s
r� c @ rK )� ExcInfoTestsz1
Tests for L{excInfoOrFailureToExcInfo}.
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L{excInfoOrFailureToExcInfo} returns exactly what it is passed, if it is
passed a tuple like the one returned by L{sys.exc_info}.
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returns a tuple like the one returned by L{sys.exc_info}, with the
elements taken from the type, value, and traceback of the failure.
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� zExcInfoTests.test_failureN)r( r) r* r+ r� r� r r r r r� � s r� c @ r ) �AcquireAttributeTestsz(
Tests for L{acquireAttribute}.
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The value returned by L{acquireAttribute} is the value of the requested
attribute on the first object in the list passed in which has that
attribute.
r� N�rz r� r r �r r� r r r �test_foundOnEarlierObject� s z/AcquireAttributeTests.test_foundOnEarlierObjectc C s* t � | _}| �|tt � | gd�u � dS )z�
The same as L{test_foundOnEarlierObject}, but for the case where the 2nd
element in the object list has the attribute and the first does not.
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If none of the objects passed in the list to L{acquireAttribute} have
the requested attribute, L{AttributeError} is raised.
r� N)r� �AttributeErrorr rz rF r r r �test_notFoundException� s z,AcquireAttributeTests.test_notFoundExceptionc C s$ t � }| �|tt � gd|�u � dS )z�
If none of the objects passed in the list to L{acquireAttribute} have
the requested attribute and a default value is given, the default value
is returned.
r� N)rz r r )r �defaultr r r �test_notFoundDefault� s z*AcquireAttributeTests.test_notFoundDefaultN)r( r) r* r+ r� r� r� r� r r r r r� � s r� c @ sX e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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Input is transformed into a string representation of the list,
with each item separated by delimiter (defaulting to a comma) and the final
two being separated by a final delimiter.
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If things is empty, an empty string is returned.
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With a single item, the item is returned.
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Two words are separated by the final delimiter.
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test_twoWords � z ListToPhraseTests.test_twoWordsc C �( g d�}d}t �|d�}| �||� dS )zY
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If a delimiter is specified, it is used instead of the default comma.
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If things is a string, a TypeError is raised.
zOne, two, threer� � Things must be a list or a tupleN�r� � TypeErrorr r� r r1 �r r� r3 r r r �test_stringTypeError= s z&ListToPhraseTests.test_stringTypeErrorc C s2 t g d��}| �ttj|d�}| �t|�d� dS )zB
If things is an iterator, a TypeError is raised.
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If things is a generator, a TypeError is raised.
c s s � t d�E d H d S )Nr� )�ranger r r r r� R s �z9ListToPhraseTests.test_generatorTypeError.<locals>.sampler� r� Nr� r� r r r �test_generatorTypeErrorM s z)ListToPhraseTests.test_generatorTypeErrorN)
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