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a k�h�D � @ s� d Z ddlZddlZddlmZ ddlmZ ddlmZ ddl m Z m Z ddl m Z G dd � d �ZG d d � d e �ZG d d � d e�ZG dd� de �ZdS )z? Tests for Trial's interaction with the Python warning system. � N)�StringIO)� TestResult)�FilePath)�_collectWarnings�_setWarningRegistryToNone)�SynchronousTestCasec @ s e Zd ZdZG dd� de�ZdS )�MaskzQ Hide a test case definition from trial's automatic discovery mechanism. c @ s( e Zd ZdZdZeZdd� Zdd� ZdS )zMask.MockTestsz� A test case which is used by L{FlushWarningsTests} to verify behavior which cannot be verified by code inside a single test method. �some warning textc C s t �| j| j� dS )z@ Generate a warning and don't flush it. N)�warnings�warn�message�category��self� r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/twisted/trial/test/test_warning.py�test_unflushed! s z Mask.MockTests.test_unflushedc C s( t �| j| j� | �t| �� �d� dS )z: Generate a warning and flush it. � N)r r r r � assertEqual�len� flushWarningsr r r r � test_flushed' s zMask.MockTests.test_flushedN) �__name__� __module__� __qualname__�__doc__r � UserWarningr r r r r r r � MockTests s r N)r r r r r r r r r r r s r 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$S )%�FlushWarningsTestsze Tests for C{flushWarnings}, an API for examining the warnings emitted so far in a test. c C s& |� � D ]\}}| �|| |� qdS )z� Assert that all the keys present in C{subset} are also present in C{set} and that the corresponding values are equal. N)�itemsr )r �setZsubset�k�vr r r �assertDictSubset5 s z#FlushWarningsTests.assertDictSubsetc C s8 | � t|�t|�� t||�D ]\}}| �||� q dS )z� For each pair of corresponding elements in C{sets} and C{subsets}, assert that the element from C{subsets} is a subset of the element from C{sets}. N)r r �zipr# )r ZsetsZsubsets�a�br r r �assertDictSubsets= s z$FlushWarningsTests.assertDictSubsetsc C s | � | �� g � dS )zg If no warnings are emitted by a test, C{flushWarnings} returns an empty list. N)r r r r r r � test_noneG s z FlushWarningsTests.test_nonec C sP d}t }tj||d� d}t}tj||d� | �| �� ||d�||d�g� dS )z| If several warnings are emitted by a test, C{flushWarnings} returns a list containing all of them. zfirst warning message�r r zsecond warning message�r r N)r r r �RuntimeWarningr' r )r � firstMessage� firstCategory� secondMessage�secondCategoryr r r � test_severalN s ��z FlushWarningsTests.test_severalc C sD d}t }td�D ]}tj||d� q| �| �� ||d�gd � dS )z� The same warning triggered twice from the same place is included twice in the list returned by C{flushWarnings}. � the message� r) r* N)r+ �ranger r r' r )r r r �ir r r � test_repeatedc s �z FlushWarningsTests.test_repeatedc C sB d}t }tj||d� | �| �� ||d�g� | �| �� g � dS )z� After a particular warning event has been returned by C{flushWarnings}, it is not returned by subsequent calls. r1 r) r* N)r+ r r r' r r )r r r r r r � test_clearedq s �z FlushWarningsTests.test_clearedc C s� t � }t�d�}|�|� | �tjjg�}| �|d d d� | �|d d t� t |�jj }|j }|j d }| �|d d |� | �|d d |� | �t |�d � d S ) zx Any warnings emitted by a test which are not flushed are emitted to the Python warning system. r r r r r � �filename�linenor N)r r r �runr r r �assertIdenticalr �type�__code__� co_filename�co_firstlinenor )r �result�caseZ warningsShown�wherer8 r9 r r r r ~ s z!FlushWarningsTests.test_unflushedc C sJ t � }t�d�}t� }| �td|�}|�|� |�� | �|� � d� dS )zx Any warnings emitted by a test which are flushed are not emitted to the Python warning system. r �stdout� N) r r r r �patch�sysr: Zrestorer �getvalue)r r@ rA �output�monkeyr r r r � s z FlushWarningsTests.test_flushedc C s� G dd� dt �}t� }t�d�}||_tjdd� }zpt�d� |�|� | � t |j �d� | � |j d d |� | � |j d d �� d �d �� W |tjdd�< n|tjdd�< 0 dS ) z� If a warnings filter has been installed which turns warnings into exceptions, tests have an error added to the reporter for them for each unflushed warning. c @ s e Zd ZdS )zIFlushWarningsTests.test_warningsConfiguredAsErrors.<locals>.CustomWarningN�r r r r r r r � CustomWarning� s rK r N�errorr r ���z CustomWarning: some warning text)�Warningr r r r r �filters� simplefilterr: r r �errorsr; Z assertTrue� splitlines�endswith�r rK r@ rA ZoriginalWarningsr r r � test_warningsConfiguredAsErrors� s$ ���z2FlushWarningsTests.test_warningsConfiguredAsErrorsc C s~ G dd� dt �}t� }t�d�}||_tjdd� }z4t�d� |�|� | � |j g � W |tjdd�< n|tjdd�< 0 dS )z� If a warnings filter has been installed which turns warnings into exceptions, tests which emit those warnings but flush them do not have an error added to the reporter. c @ s e Zd ZdS )zPFlushWarningsTests.test_flushedWarningsConfiguredAsErrors.<locals>.CustomWarningNrJ r r r r rK � s rK r NrL ) rN r r r r r rO rP r: r rQ rT r r r �&test_flushedWarningsConfiguredAsErrors� s z9FlushWarningsTests.test_flushedWarningsConfiguredAsErrorsc C s@ t �d� | �t| �� �d� t �d� | �t| �� �d� dS )z� Any warnings emitted after a call to C{flushWarnings} can be flushed by another call to C{flushWarnings}. z first messager zsecond messageN)r r r r r r r r r �test_multipleFlushes� s z'FlushWarningsTests.test_multipleFlushesc sx d�t � � �fdd�}d�t���fdd�}|� |� | �| j|gd�� �d�g� | �| j|gd���d�g� d S ) z� The list returned by C{flushWarnings} includes only those warnings which refer to the source of the function passed as the value for C{offendingFunction}, if a value is passed for that parameter. zfirst warning textc s t j�� dd� d S �Nr )� stacklevel�r r r )r- r, r r �one� s z>FlushWarningsTests.test_filterOnOffendingFunction.<locals>.onez some textc s t j�� dd� d S rX rZ r )r/ r. r r �two� s z>FlushWarningsTests.test_filterOnOffendingFunction.<locals>.two�ZoffendingFunctionsr* N)r r+ r' r )r r[ r\ r )r- r, r/ r. r � test_filterOnOffendingFunction� s � �z1FlushWarningsTests.test_filterOnOffendingFunctionc C s, dd� }|� | � t| j|gd��d� dS )z� Verify that warnings emitted at the very edges of a function are still determined to be emitted from that function. c S s" t �d� t �d� t �d� d S )Nzfirst line warningzinternal line warningzlast line warningrZ r r r r �warner s z:FlushWarningsTests.test_functionBoundaries.<locals>.warnerr] � N�r r r )r r_ r r r �test_functionBoundaries� s z*FlushWarningsTests.test_functionBoundariesc C s4 t �d� | �t| jdg� | �t| �� �d� dS )z� If an object which is neither a function nor a method is included in the C{offendingFunctions} list, C{flushWarnings} raises L{ValueError}. Such a call flushes no warnings. �oh noNr )r r Z assertRaises� ValueErrorr r r r r r r �test_invalidFilter s z%FlushWarningsTests.test_invalidFilterc C s� t | �� �d���d�}|�� |�d��d� |�d��d� |�� j�d�}t j� d|� | � t jj |� ddl m} | � t jjd � | � t jj|j� |�d�� � |�� | �t| �|jg��d � d S ) zx Warnings emitted by a function the source code of which is not available can still be flushed. �utf-8� twisted_private_helper� __init__.py� s missingsourcefile.py�7 import warnings def foo(): warnings.warn("oh no") r )�missingsourcefile�twisted_private_helperr N)r �mktemp�encode�child�makedirs� setContent�parent�path�decoderF �insert� addCleanup�removerl rk �modules�popr �foor r r )r �package� pathEntryrk r r r �test_missingSource s" � � z%FlushWarningsTests.test_missingSourcec C s t | �� �d���d�}|�� |�d��d� |�d��d� |�� j�d�}t j� d|� | � t jj |� ddl m} t jd = t j|j= zdd lm} W n ty� Y n0 |� |�|�d �� ddlm} | � t jjd � | � t jj|j� |�� | �t| �|jg��d � dS )a Warnings emitted by a function defined in a file which has been renamed since it was initially compiled can still be flushed. This is testing the code which specifically supports working around the unfortunate behavior of CPython to write a .py source file name into the .pyc files it generates and then trust that it is correct in various places. If source files are renamed, .pyc files may not be regenerated, but they will contain incorrect filenames. rf rg rh ri s module.pyrj r )�modulerl )�invalidate_cachess twisted_renamed_helper�twisted_renamed_helperr N) r rm rn ro rp rq rr rs rt rF ru rv rw rl r~ rx r � importlibr � ImportErrorZmoveToZsiblingr� ry rz r r r )r r{ r| r~ r r r r �test_renamedSource3 s2 � � z%FlushWarningsTests.test_renamedSourcec C s, ddd�}|� | � t| �|g��d� dS )a� In Python 3.6 the dis.findlinestarts documented behaviour was changed such that the reported lines might not be sorted ascending. In Python 3.10 PEP 626 introduced byte-code change such that the last line of a function wasn't always associated with the last byte-code. In the past flushWarning was not detecting that such a function was associated with any warnings. r c S s | r|rt �d� n d S )Nrc rZ )r% r& r r r rz y s zCFlushWarningsTests.test_offendingFunctions_deep_branch.<locals>.fooN)r r ra )r rz r r r �#test_offendingFunctions_deep_brancho s z6FlushWarningsTests.test_offendingFunctions_deep_branchN)r r r r r# r' r( r0 r5 r6 r r rU rV rW r^ rb re r} r� r� r r r r r / s$ <r c @ s e Zd ZdS )� FakeWarningNrJ r r r r r� � s r� c @ s@ e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dS )�CollectWarningsTestsz( Tests for L{_collectWarnings}. c s� d��ddd� �t ddd��g � � ���fdd�}t� j|� | �� d d � | �� d j�� | �� d j�� | �� d jt��� | �� d d � | �t� �d � dS )zS L{_collectWarnings} calls the observer with each emitted warning. z dummy calls observer warningNrM r r2 r` c s6 � � d� t��� t��� t��� � � d� d S )N�call� returning)�appendr r r ��eventsr, r. Z thirdMessager r �f� s z2CollectWarningsTests.test_callsObserver.<locals>.fr r� r7 r� � )rN r r� r r �strr )r r� r r� r �test_callsObserver� s z'CollectWarningsTests.test_callsObserverc C s: t � }| �td|� tdd� tjd� | �|�� d� dS )z� Any warnings emitted by a call to a function passed to L{_collectWarnings} are not actually emitted to the warning system. rC c S s d S �Nr ��xr r r �<lambda>� ri z6CollectWarningsTests.test_suppresses.<locals>.<lambda>�textrD N)r rE rF r r r r rG )r rH r r r �test_suppresses� s z$CollectWarningsTests.test_suppressesc sX g � t � �� �fdd�}tdd� |ddddd �}| �� d ddd �fg� | �|�� d S ) z� L{_collectWarnings} returns the result of calling the callable passed to it with the parameters given. c s � � | |f� �S r� )r� )�args�kwargs�� arguments�valuer r r� � s z2CollectWarningsTests.test_callsFunction.<locals>.fc S s d S r� r r� r r r r� � ri z9CollectWarningsTests.test_callsFunction.<locals>.<lambda>r r% r2 �d)r& �c)r r% N)�objectr r r; )r r� r@ r r� r �test_callsFunction� s z'CollectWarningsTests.test_callsFunctionc C sd b dd� }t�d� |� g }t|j|� | �t|�d� | �|d jd� | �t| �� �d� dS )z� Subsequent emissions of a warning from a particular source site can be collected by L{_collectWarnings}. In particular, the per-module emitted-warning cache should be bypassed (I{__warningregistry__}). c S s t �d� d S )Nrz rZ r r r r r� � s z>CollectWarningsTests.test_duplicateWarningCollected.<locals>.f�defaultr r rz N) �__warningregistry__r rP r r� r r r r )r r� r� r r r � test_duplicateWarningCollected� s z3CollectWarningsTests.test_duplicateWarningCollectedc C s, t � }|tj|< | �tjj|� | �� dS )z� L{_collectWarnings}'s behavior is not altered by the presence of an object which cannot have attributes set on it as a value in C{sys.modules}. N)r� rF rx rv ry r� �r �keyr r r �test_immutableObject� s z)CollectWarningsTests.test_immutableObjectc sn i � G � fdd�d�}t � }t � }||�� |< t � }t � }||�� |< t� � | �||||ht� �� �� dS )a� If the dictionary passed to L{_setWarningRegistryToNone} changes size partway through the process, C{_setWarningRegistryToNone} continues to set C{__warningregistry__} to L{None} on the rest of the values anyway. This might be caused by C{sys.modules} containing something that's not really a module and imports things on setattr. py.test does this, as does L{twisted.python.deprecate.deprecatedModuleAttribute}. c s e Zd Zdd� Z� fdd�ZdS )zKCollectWarningsTests.test_setWarningRegistryChangeWhileIterating.<locals>.Ac S s || j d< d S )N�_key)�__dict__r� r r r �__init__� s zTCollectWarningsTests.test_setWarningRegistryChangeWhileIterating.<locals>.A.__init__c s d � | j < d S r� )r� )r r� �item�r� r r � __setattr__� s zWCollectWarningsTests.test_setWarningRegistryChangeWhileIterating.<locals>.A.__setattr__N)r r r r� r� r r� r r �A� s r� N)r� r r r �keys)r r� �key1�key2Zkey3Zkey4r r� r �+test_setWarningRegistryChangeWhileIterating� s z@CollectWarningsTests.test_setWarningRegistryChangeWhileIteratingN) r r r r r� r� r� r� r� r� r r r r r� � s r� )r rF r �ior Zunittestr Ztwisted.python.filepathr Ztwisted.trial._synctestr r Ztwisted.trial.unittestr r r rN r� r� r r r r �<module> s Z
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