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o �bbG � @ s. d Z ddlmZmZ ddlmZmZmZmZm Z m Z ddl m Z ddl mZ ddlmZ ddlmZ ddlmZ d d lmZ d d lmZ d d lmZ d d lm Z m Z d dl m Z m Z m!Z!m"Z"m#Z$ d dl%m&Z& d dl'm(Z( d dl)m*Z* dede+de+fdd�Z,G dd� de�Z-G dd� de�Z.G dd � d e�Z/d S ) z$ Tests for L{twisted.logger._json}. � )�BytesIO�StringIO)�IO�Any�List�Optional�Sequence�cast)� implementer)�BrokenMethodImplementation)� verifyObject)�Failure)�TestCase� )� extractField)� formatEvent)�globalLogPublisher)� ILogObserver�LogEvent)� eventAsJSON� eventFromJSON�eventsFromJSONLogFile�jsonFileLogObserver�log)�LogLevel)�Logger)� LogPublisher�testCase� savedJSON�returnc C s" | � |t� | �|�d�d� |S )a* Assert a few things about the result of L{eventAsJSON}, then return it. @param testCase: The L{TestCase} with which to perform the assertions. @param savedJSON: The result of L{eventAsJSON}. @return: C{savedJSON} @raise AssertionError: If any of the preconditions fail. � r )�assertIsInstance�str� assertEqual�count)r r � r% �?/usr/lib/python3/dist-packages/twisted/logger/test/test_json.py�savedJSONInvariants! s r' c @ s� e Zd ZdZdedefdd�Zddd�Zdd d �Zdd d �Z dd d�Z ddd�Z ddd�Z ddd�Z ddd�Zddd�Zddd�ZdS ) � SaveLoadTestsz2 Tests for loading and saving log events. �eventr c C s t | t|��S )z� Serialize some an events, assert some things about it, and return the JSON. @param event: An event. @return: JSON. )r' r )�selfr) r% r% r& �savedEventJSON6 s z SaveLoadTests.savedEventJSONNc C s | � t| �i ��i � dS )zX Saving and loading an empty dictionary results in an empty dictionary. N�r# r r+ �r* r% r% r& �test_simpleSaveLoadA s z!SaveLoadTests.test_simpleSaveLoadc C s& | � t| �ddd���ddd�� dS )a Saving and loading a dictionary with some simple values in it results in those same simple values in the output; according to JSON's rules, though, all dictionary keys must be L{str} and any non-L{str} keys will be converted. r �4)� �3��1r1 Nr, r- r% r% r& � test_saveLoadG s �zSaveLoadTests.test_saveLoadc C �, | � t| �dt� d���dddid�� dS )zx Saving and loading an object which cannot be represented in JSON will result in a placeholder. r r2 � unpersistableTN�r# r r+ �objectr- r% r% r& �test_saveUnPersistableS s �z$SaveLoadTests.test_saveUnPersistablec C r5 )zD Non-ASCII keys and values can be saved and loaded. u 䌡)u ሴr1 r6 TNr7 r- r% r% r& �test_saveNonASCII] s �z SaveLoadTests.test_saveNonASCIIc C sJ dt td��i}|�ddi� | �t| �|��dt td���d�i� dS )zx Any L{bytes} objects will be saved as if they are latin-1 so they can be faithfully re-loaded. �hello� s skipped�okay�charmapN)�bytes�range�updater# r r+ �decode)r* � inputEventr% r% r& �test_saveBytesf s �z SaveLoadTests.test_saveBytesc C s> G dd� d�}d|d�d�}t | �|��}| �t|�d� dS )a Saving and loading an object which cannot be represented in JSON, but has a string representation which I{can} be saved as JSON, will result in the same string formatting; any extractable fields will retain their data types. c @ s, e Zd Zdeddfdd�Zdefdd�ZdS )z@SaveLoadTests.test_saveUnPersistableThenFormat.<locals>.Reprable�valuer Nc S s || _ d S �N�rE )r* rE r% r% r& �__init__~ � zISaveLoadTests.test_saveUnPersistableThenFormat.<locals>.Reprable.__init__c S s dS )N�reprabler% r- r% r% r& �__repr__� s zISaveLoadTests.test_saveUnPersistableThenFormat.<locals>.Reprable.__repr__)�__name__� __module__� __qualname__r8 rH r" rK r% r% r% r& �Reprable} s rO z{object} {object.value}� �� log_formatr8 z reprable 7N)r r+ r# r )r* rO rC � outputEventr% r% r& � test_saveUnPersistableThenFormatu s z.SaveLoadTests.test_saveUnPersistableThenFormatc C s` G dd� d�}t d|� d�}t| �|��}| �td|�d� | �ttd|� | �ttd|� dS ) zs L{extractField} can extract fields from an object that's been saved and loaded from JSON. c @ s e Zd Zddd�ZdS )z8SaveLoadTests.test_extractingFieldsPostLoad.<locals>.Objr Nc S s d| _ d S )N�Y rG r- r% r% r& rH � rI zASaveLoadTests.test_extractingFieldsPostLoad.<locals>.Obj.__init__�r N)rL rM rN rH r% r% r% r& �Obj� s rW z{object.value}rQ z object.valuerU r8 N)�dictr r+ r# r � assertRaises�KeyError)r* rW rC � loadedEventr% r% r& � test_extractingFieldsPostLoad� s z+SaveLoadTests.test_extractingFieldsPostLoadc C s� g }t tt|j�d�}zdd W n ty# t� }|�d|� Y nw | �t|�d� t | � |d ��d }| � |t� | � |� t�� | � |�� t� dS )zl Round-tripping a failure through L{eventAsJSON} preserves its class and structure. ��observerr0 r za message about failure� log_failureN)r r r �append�ZeroDivisionErrorr �failurer# �lenr r+ r! � assertTrue�check� getTracebackr" )r* �eventsr �f�loadedr% r% r& � test_failureStructurePreserved� s � z,SaveLoadTests.test_failureStructurePreservedc C s0 t tjd�}t| �|��}| �|d tj� dS )zo It's important that the C{log_level} key remain a L{constantly.NamedConstant} object. �� log_levelrl N)rX r �warnr r+ �assertIs)r* rC r[ r% r% r& �test_saveLoadLevel� s z SaveLoadTests.test_saveLoadLevelc C s t d�}| �|tdd�� dS )z� If a saved bit of JSON (let's say, from a future version of Twisted) were to persist a different log_level, it will resolve as None. zZ{"log_level": {"name": "other", "__class_uuid__": "02E59486-F24D-46AD-8224-3ACDF2A5732A"}}Nrk )r r# rX )r* r[ r% r% r& �test_saveLoadUnknownLevel� s �z'SaveLoadTests.test_saveLoadUnknownLevelrV )rL rM rN �__doc__r r" r+ r. r4 r9 r: rD rT r\ rj ro rp r% r% r% r& r( 1 s r( c @ sL e Zd ZdZddd�Zddeddfdd �Zdd d �Zdd d �Zddd�Z dS )�FileLogObserverTestsz+ Tests for L{jsonFileLogObserver}. r Nc C s� t � �4}t|�}ztt|� W n ty& } z | �|� W Y d}~n d}~ww W d � dS W d � dS 1 s:w Y dS )zh A L{FileLogObserver} returned by L{jsonFileLogObserver} is an L{ILogObserver}. N)r r r r r �fail)r* � fileHandler^ �er% r% r& �test_interface� s ����"�z#FileLogObserverTests.test_interface� �recordSeparatorc C s^ t � �"}t||�}tdd�}||� | �|�� |� d�� W d � dS 1 s(w Y dS )a! Asserts that an observer created by L{jsonFileLogObserver} with the given arguments writes events serialized as JSON text, using the given record separator. @param recordSeparator: C{recordSeparator} argument to L{jsonFileLogObserver} r0 ��xz {"x": 1} N)r r rX r# �getvalue)r* rx rt r^ r) r% r% r& �assertObserverWritesJSON� s "�z-FileLogObserverTests.assertObserverWritesJSONc C s | � � dS )z� A L{FileLogObserver} created by L{jsonFileLogObserver} writes events serialzed as JSON text to a file when it observes events. By default, the record separator is C{"\x1e"}. N�r| r- r% r% r& �(test_observeWritesDefaultRecordSeparator� s z=FileLogObserverTests.test_observeWritesDefaultRecordSeparatorc C s | j dd� dS )z� A L{FileLogObserver} created by L{jsonFileLogObserver} writes events serialzed as JSON text to a file when it observes events. This test sets the record separator to C{""}. � �rx Nr} r- r% r% r& �&test_observeWritesEmptyRecordSeparator� s z;FileLogObserverTests.test_observeWritesEmptyRecordSeparatorc s� t � }t� }g }|�tt|j�� |�t|�� t|d�}zdd W n ty1 |� d� Y nw t |� � �}t t |��}dt t ddf� fdd � }||� ||� dS ) z� A L{FileLogObserver} created by L{jsonFileLogObserver} writes failures serialized as JSON text to a file when it observes events. r] r0 r zfailed as expected� logEventsr Nc s` � � t| �d� | \}� �d|� |d }� �|t� |�� }� � |jjj� d�t � d�� d S )Nr0 r_ �co) r# rc �assertInr! r �getTracebackObject�tb_frame�f_code� co_filename�rstrip�__file__)r� � failureEvent� failureObject�tracebackObjectr- r% r& � checkEvents s �z@FileLogObserverTests.test_failureFormatting.<locals>.checkEvents)r r � addObserverr r r` r r � BaseExceptionrb r{ �listr r r )r* �io� publisher�logged�logger�reader� deserializedr� r% r- r& �test_failureFormatting� s � z+FileLogObserverTests.test_failureFormattingrV )rw ) rL rM rN rq rv r" r| r~ r� r� r% r% r% r& rr � s rr c @ s� e Zd ZdZd&dd�Zd&dd�Z d'd ee d ee d e ddfd d �Z d&dd�Z d&dd�Z d&dd�Zd&dd�Zd&dd�Zd&dd�Zd&dd�Zd&d d �Zd&d d �Zd&d d!�Zd&d"d#�Zd&d$d%�ZdS )(�LogFileReaderTestsz- Tests for L{eventsFromJSONLogFile}. r Nc s8 g � _ tt�dtdd f� fdd� �}|� _t�|� d S )Nr) r c s. | d t jkrd| v r� j�| � d S d S d S )N� log_namespace�record)�jsonLog� namespace� errorEventsr` )r) r- r% r& r^ s �z*LogFileReaderTests.setUp.<locals>.observer)r� r r r � logObserverr r� )r* r^ r% r- r& �setUp s zLogFileReaderTests.setUpc C s t �| j� d S rF )r �removeObserverr� r- r% r% r& �tearDown& s zLogFileReaderTests.tearDown� �inFilerx � bufferSizec C sJ t t|||��}| �t|�ddi� | �t|�ddi� | �tt|� dS )a| Test that L{eventsFromJSONLogFile} reads two pre-defined events from a file: C{{"x": 1}} and C{{"y": 2}}. @param inFile: C{inFile} argument to L{eventsFromJSONLogFile} @param recordSeparator: C{recordSeparator} argument to L{eventsFromJSONLogFile} @param bufferSize: C{bufferSize} argument to L{eventsFromJSONLogFile} rz r0 �yr N)�iterr r# �nextrY � StopIteration)r* r� rx r� rg r% r% r& � _readEvents) s z LogFileReaderTests._readEventsc C �J t d��}| �|� | �t| j�d� W d � dS 1 s w Y dS )z� L{eventsFromJSONLogFile} reads events from a file and automatically detects use of C{"\x1e"} as the record separator. � {"x": 1} {"y": 2} r N�r r� r# rc r� �r* rt r% r% r& �&test_readEventsAutoWithRecordSeparator> � "�z9LogFileReaderTests.test_readEventsAutoWithRecordSeparatorc C r� )z� L{eventsFromJSONLogFile} reads events from a file and automatically detects use of C{""} as the record separator. z{"x": 1} {"y": 2} r Nr� r� r% r% r& �'test_readEventsAutoEmptyRecordSeparatorG r� z:LogFileReaderTests.test_readEventsAutoEmptyRecordSeparatorc C �N t d��}| j|dd� | �t| j�d� W d � dS 1 s w Y dS )z{ L{eventsFromJSONLogFile} reads events from a file and is told to use a specific record separator. z{"x": 1} {"y": 2} �r� r Nr� r� r% r% r& �&test_readEventsExplicitRecordSeparatorP s "�z9LogFileReaderTests.test_readEventsExplicitRecordSeparatorc C r� )zM L{eventsFromJSONLogFile} handles buffering a partial event. r� r0 �r� r Nr� r� r% r% r& � test_readEventsPartialBufferZ s "�z/LogFileReaderTests.test_readEventsPartialBufferc C � t d��?}tt|��}| �t|�ddi� | �tt|� | �t| j�d� | �| jd d d� | �| jd d d � W d � d S 1 sFw Y d S ) zF If the JSON text for a record is truncated, skip it. z {"x": 1 {"y": 2} r� r r0 r rR z0Unable to read truncated JSON record: {record!r}r� s {"x": 1N� r r� r r# r� rY r� rc r� �r* rt rg r% r% r& �test_readTruncatedc � �"�z%LogFileReaderTests.test_readTruncatedc C �n t d��)}tt|��}| �t|�ddi� | �tt|� | �t| j�d� W d � dS 1 s0w Y dS )zc If the file being read from vends L{str}, strings decode from JSON as-is. u {"currency": "€"} �currency� €r Nr� r� r% r% r& �test_readUnicodeu s "�z#LogFileReaderTests.test_readUnicodec C r� )zh If the file being read from vends L{bytes}, strings decode from JSON as UTF-8. s {"currency": "€"} r� r� r N� r r� r r# r� rY r� rc r� r� r% r% r& �test_readUTF8Bytes� s "�z%LogFileReaderTests.test_readUTF8Bytesc C sr t d��+}tt|dd��}| �t|�ddi� | �tt|� | �t| j�d� W d � dS 1 s2w Y dS )z� If the JSON text for a record is truncated in the middle of a two-byte Unicode codepoint, we don't want to see a codec exception and the stream is read properly when the additional data arrives. s {"x": "€"} � r� rz r� r Nr� r� r% r% r& �test_readTruncatedUTF8Bytes� s "�z.LogFileReaderTests.test_readTruncatedUTF8Bytesc C r� ) zh If the JSON text for a record contains invalid UTF-8 text, ignore that record. s {"x": "�"} {"y": 2} r� r r0 r rR z2Unable to decode UTF-8 for JSON record: {record!r}r� s {"x": "�"} Nr� r� r% r% r& �test_readInvalidUTF8Bytes� s �"�z,LogFileReaderTests.test_readInvalidUTF8Bytesc C r� ) zD If the JSON text for a record is invalid, skip it. z {"x": } {"y": 2} r� r r0 r rR �&Unable to read JSON record: {record!r}r� s {"x": } Nr� r� r% r% r& �test_readInvalidJSON� r� z'LogFileReaderTests.test_readInvalidJSONc C s� t d��3}t|�}| �tt|� | �t| j�d� | �| jd d d� | �| jd d d� W d � dS 1 s:w Y dS ) zI Multiple events without a record separator are skipped. z {"x": 1} {"y": 2} r0 r rR r� r� s {"x": 1} {"y": 2} N)r r rY r� r� r# rc r� r� r% r% r& �test_readUnseparated� s �"�z'LogFileReaderTests.test_readUnseparatedc C s| t dd�}t� �,}t|�}||� |�d� t|�}| �t|�|f� | �t| j�d� W d � dS 1 s7w Y dS )z� Data written by a L{FileLogObserver} returned by L{jsonFileLogObserver} and read by L{eventsFromJSONLogFile} is reconstructed properly. r0 ry r N) rX r r �seekr r# �tuplerc r� )r* r) rt r^ rg r% r% r& �test_roundTrip� s "�z!LogFileReaderTests.test_roundTriprV )Nr� )rL rM rN rq r� r� r r r r" �intr� r� r� r� r� r� r� r� r� r� r� r� r� r% r% r% r& r� s6 ���� � r� N)0rq r� r r �typingr r r r r r �zope.interfacer �zope.interface.exceptionsr �zope.interface.verifyr �twisted.python.failurer �twisted.trial.unittestr �_flattenr �_formatr �_globalr � _interfacesr r �_jsonr r r r r r� �_levelsr �_loggerr � _observerr r" r' r( rr r� r% r% r% r& �<module> s* R
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