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a k�hǢ � @ s� d Z ddlmZ ddlmZ ddlmZ ddlmZm Z m Z m Z ddl m Z mZ ddlmZ G dd � d e�Zd d � ZG d d � d e j�ZG dd� de j�ZG dd� d�ZG dd� d�ZG dd� d�ZG dd� d�Zdd� ZG dd� dej �Z d S ) z) Test cases for L{twisted.names.server}. � )� verifyClass)�defer)�IProtocolFactory)�dns�error�resolve�server)�failure�log)�unittestc @ s e Zd ZdZdd� ZdS )�RaisedArgumentszD An exception containing the arguments raised by L{raiser}. c C s || _ || _d S �N��args�kwargs��selfr r � r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/twisted/names/test/test_server.py�__init__ s zRaisedArguments.__init__N)�__name__� __module__� __qualname__�__doc__r r r r r r s r c O s t | |��dS )z� Raise a L{RaisedArguments} exception containing the supplied arguments. Used as a fake when testing the call signatures of methods and functions. N)r r r r r �raiser s r c @ s e Zd ZdZdd� Zdd� ZdS )�NoResponseDNSServerFactorya A L{server.DNSServerFactory} subclass which does not attempt to reply to any received messages. Used for testing logged messages in C{messageReceived} without having to fake or patch the preceding code which attempts to deliver a response message. c C s dS )a Deny all queries. @param message: See L{server.DNSServerFactory.allowQuery} @param protocol: See L{server.DNSServerFactory.allowQuery} @param address: See L{server.DNSServerFactory.allowQuery} @return: L{False} @rtype: L{bool} Fr )r �message�protocol�addressr r r � allowQuery. s z%NoResponseDNSServerFactory.allowQueryc C s dS )z� A noop send reply. @param protocol: See L{server.DNSServerFactory.sendReply} @param message: See L{server.DNSServerFactory.sendReply} @param address: See L{server.DNSServerFactory.sendReply} Nr )r r r r r r r � sendReply; s z$NoResponseDNSServerFactory.sendReplyN)r r r r r r r r r r r $ s r c @ s( e Zd ZdZG dd� de�Zdd� ZdS )�RaisingDNSServerFactoryz� A L{server.DNSServerFactory} subclass whose methods raise an exception containing the supplied arguments. Used for stopping L{messageReceived} and testing the arguments supplied to L{allowQuery}. c @ s e Zd ZdZdS )z+RaisingDNSServerFactory.AllowQueryArguments�G Contains positional and keyword arguments in C{args}. N�r r r r r r r r �AllowQueryArgumentsN s r$ c O s | � ||��dS )aC Raise the arguments supplied to L{allowQuery}. @param args: Positional arguments which will be recorded in the raised exception. @type args: L{tuple} @param kwargs: Keyword args which will be recorded in the raised exception. @type kwargs: L{dict} N)r$ r r r r r S s z"RaisingDNSServerFactory.allowQueryN)r r r r � Exceptionr$ r r r r r r! E s r! c @ s( e Zd ZdZG dd� de�Zdd� ZdS )�RaisingProtocolzm A partial fake L{IProtocol} whose methods raise an exception containing the supplied arguments. c @ s e Zd ZdZdS )z%RaisingProtocol.WriteMessageArgumentsr" Nr# r r r r �WriteMessageArgumentsh s r' c O s | � ||��dS �z� Raises the supplied arguments. @param args: Positional arguments @type args: L{tuple} @param kwargs: Keyword args @type kwargs: L{dict} N)r' r r r r � writeMessagem s z RaisingProtocol.writeMessageN)r r r r r% r' r) r r r r r& b s r& c @ s e Zd ZdZdd� ZdS )� NoopProtocolzT A partial fake L{dns.DNSProtocolMixin} with a noop L{writeMessage} method. c O s dS )z� A noop version of L{dns.DNSProtocolMixin.writeMessage}. @param args: Positional arguments @type args: L{tuple} @param kwargs: Keyword args @type kwargs: L{dict} Nr r r r r r) s zNoopProtocol.writeMessageN)r r r r r) r r r r r* z s r* c @ s( e Zd ZdZG dd� de�Zdd� ZdS )�RaisingResolverzm A partial fake L{IResolver} whose methods raise an exception containing the supplied arguments. c @ s e Zd ZdZdS )z RaisingResolver.QueryArgumentsr" Nr# r r r r �QueryArguments� s r, c O s | � ||��dS r( )r, r r r r �query� s zRaisingResolver.queryN)r r r r r% r, r- r r r r r+ � s r+ c @ s( e Zd ZdZG dd� de�Zdd� ZdS )� RaisingCachez} A partial fake L{twisted.names.cache.Cache} whose methods raise an exception containing the supplied arguments. c @ s e Zd ZdZdS )z!RaisingCache.CacheResultArgumentsr" Nr# r r r r �CacheResultArguments� s r/ c O s | � ||��dS r( )r/ r r r r � cacheResult� s zRaisingCache.cacheResultN)r r r r r% r/ r0 r r r r r. � s r. c O sH g }t �|j� | �t j|j� ||i |�� | �dd� |D �|� dS )a Assert that the callable logs the expected messages when called. XXX: Put this somewhere where it can be re-used elsewhere. See #6677. @param testCase: The test case controlling the test which triggers the logged messages and on which assertions will be called. @type testCase: L{unittest.SynchronousTestCase} @param expectedMessages: A L{list} of the expected log messages @type expectedMessages: L{list} @param callable: The function which is expected to produce the C{expectedMessages} when called. @type callable: L{callable} @param args: Positional arguments to be passed to C{callable}. @type args: L{list} @param kwargs: Keyword arguments to be passed to C{callable}. @type kwargs: L{dict} c S s g | ]}|d d �qS )r r r )�.0�mr r r � <listcomp>� � z$assertLogMessage.<locals>.<listcomp>N)r Z addObserver�appendZ addCleanupZremoveObserver� assertEqual)ZtestCaseZexpectedMessages�callabler r ZloggedMessagesr r r �assertLogMessage� s r8 c @ s e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zdd� Zd d � Zd d � Zd d!� Zd"d#� Zd$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#dBdC� Z$dDdE� Z%dFdG� Z&dHdI� Z'dJdK� Z(dLdM� Z)dNdO� Z*dPdQ� Z+dRdS� Z,dTdU� Z-dVdW� Z.dXdY� Z/dZd[� Z0d\d]� Z1d^d_� Z2d`da� Z3dbdc� Z4ddde� Z5dfdg� Z6dhdi� Z7djdk� Z8dldm� Z9dndo� Z:dpdq� Z;drds� Z<dtdu� Z=dvdw� Z>dxdy� Z?dzd{� Z@d|d}� ZAd~d� ZBd�d�� ZCd�S )��DNSServerFactoryTestsz/ Tests for L{server.DNSServerFactory}. c C s | � t�� jtj� dS )zd L{server.DNSServerFactory.resolver} is a L{resolve.ResolverChain} instance N)ZassertIsInstancer �DNSServerFactory�resolverr Z ResolverChain�r r r r �test_resolverType� s z'DNSServerFactoryTests.test_resolverTypec C s | � t�� jjg � dS )zn L{server.DNSServerFactory.resolver} is an empty L{resolve.ResolverChain} by default. N�r6 r r: r; � resolversr< r r r �test_resolverDefaultEmpty� s z/DNSServerFactoryTests.test_resolverDefaultEmptyc C s& t � }| �tj|gd�jj|g� dS )z� L{server.DNSServerFactory.__init__} accepts an C{authorities} argument. The value of this argument is a list and is used to extend the C{resolver} L{resolve.ResolverChain}. )� authoritiesN��objectr6 r r: r; r? �r Z dummyResolverr r r �test_authorities� s �z&DNSServerFactoryTests.test_authoritiesc C s& t � }| �tj|gd�jj|g� dS )z� L{server.DNSServerFactory.__init__} accepts a C{caches} argument. The value of this argument is a list and is used to extend the C{resolver} L{resolve.ResolverChain}. ��cachesNrB rD r r r � test_caches� s �z!DNSServerFactoryTests.test_cachesc C s& t � }| �tj|gd�jj|g� dS )z� L{server.DNSServerFactory.__init__} accepts a C{clients} argument. The value of this argument is a list and is used to extend the C{resolver} L{resolve.ResolverChain}. ��clientsNrB rD r r r � test_clients s �z"DNSServerFactoryTests.test_clientsc C sV G dd� d�}G dd� d�}G dd� d�}| � tj|g|g|gd�jj|||g� dS ) zz L{server.DNSServerFactory.resolver} contains an ordered list of authorities, caches and clients. c @ s e Zd ZdS )z@DNSServerFactoryTests.test_resolverOrder.<locals>.DummyAuthorityN�r r r r r r r �DummyAuthority s rM c @ s e Zd ZdS )z<DNSServerFactoryTests.test_resolverOrder.<locals>.DummyCacheNrL r r r r � DummyCache s rN c @ s e Zd ZdS )z=DNSServerFactoryTests.test_resolverOrder.<locals>.DummyClientNrL r r r r � DummyClient s rO )rA rG rJ Nr> )r rM rN rO r r r �test_resolverOrder s ��z(DNSServerFactoryTests.test_resolverOrderc C s | � t�� j� dS )zI L{server.DNSServerFactory.cache} is L{None} by default. N)Z assertIsNoner r: �cacher< r r r �test_cacheDefault( s z'DNSServerFactoryTests.test_cacheDefaultc C s& t � }| �tjt � |gd�j|� dS )z� L{server.DNSServerFactory.__init__} assigns the last object in the C{caches} list to L{server.DNSServerFactory.cache}. rF N)rC r6 r r: rQ rD r r r �test_cacheOverride. s �z(DNSServerFactoryTests.test_cacheOverridec C s | � t�� j� dS )z� L{server.DNSServerFactory.canRecurse} is a flag indicating that this server is capable of performing recursive DNS lookups. It defaults to L{False}. N)� assertFalser r: � canRecurser< r r r �test_canRecurseDefault9 s z,DNSServerFactoryTests.test_canRecurseDefaultc C s | � tjdgd�jd� dS )z~ L{server.DNSServerFactory.__init__} sets C{canRecurse} to L{True} if it is supplied with C{clients}. NrI T)r6 r r: rU r< r r r �test_canRecurseOverrideA s z-DNSServerFactoryTests.test_canRecurseOverridec C s | � t�� j� dS )zJ L{server.DNSServerFactory.verbose} defaults to L{False}. N)rT r r: �verboser< r r r �test_verboseDefaultH s z)DNSServerFactoryTests.test_verboseDefaultc C s | � tjdd�j� dS )z� L{server.DNSServerFactory.__init__} accepts a C{verbose} argument which overrides L{server.DNSServerFactory.verbose}. T�rX N)� assertTruer r: rX r< r r r �test_verboseOverrideN s z*DNSServerFactoryTests.test_verboseOverridec C s | � tttj�� dS )zL L{server.DNSServerFactory} implements L{IProtocolFactory}. N)r[ r r r r: r< r r r �test_interfaceU s z$DNSServerFactoryTests.test_interfacec C s | � tjjtj� dS )zU L{server.DNSServerFactory.protocol} defaults to L{dns.DNSProtocol}. N)�assertIsr r: r r Z DNSProtocolr< r r r �test_defaultProtocol[ s z*DNSServerFactoryTests.test_defaultProtocolc s\ G dd� d�}|� � � fdd�}t �� }||_|jdd�}| �� |fi f||j|jf� dS )z� L{server.DNSServerFactory.buildProtocol} builds a protocol by calling L{server.DNSServerFactory.protocol} with its self as a positional argument. c @ s e Zd ZdZdZdZdS )zNDNSServerFactoryTests.test_buildProtocolProtocolOverride.<locals>.FakeProtocolN)r r r �factoryr r r r r r � FakeProtocolh s ra c s | � _ |� _� S r r r �� stubProtocolr r �fakeProtocolFactoryo s zUDNSServerFactoryTests.test_buildProtocolProtocolOverride.<locals>.fakeProtocolFactoryN)�addr)r r: r Z buildProtocolr6 r r )r ra rd �f�pr rb r �"test_buildProtocolProtocolOverridea s z8DNSServerFactoryTests.test_buildProtocolProtocolOverridec C s t �� }t| g |jd� dS )zm L{server.DNSServerFactory._verboseLog} does not log messages unless C{verbose > 0}. �Foo BarN�r r: r8 Z _verboseLog�r rf r r r �test_verboseLogQuietz s z*DNSServerFactoryTests.test_verboseLogQuietc C s" t jdd�}t| dg|jd� dS )zZ L{server.DNSServerFactory._verboseLog} logs a message if C{verbose > 0}. � rZ ri Nrj rk r r r �test_verboseLogVerbose� s z,DNSServerFactoryTests.test_verboseLogVerbosec C s. t �� }tdd�}t| dg|j|ddd� dS )z� L{server.DNSServerFactory.messageReceived} logs about an empty query if the message had no queries and C{verbose} is C{>0}. rm rZ z$Empty query from ('192.0.2.100', 53)N�z 192.0.2.100�5 �r �protor )r �Messager r8 �messageReceived�r r2 rf r r r �"test_messageReceivedLoggingNoQuery� s �z8DNSServerFactoryTests.test_messageReceivedLoggingNoQueryc C sN t �� }|jdt jd� |jdt jd� tdd�}t| dg|j|ddd� dS ) z� L{server.DNSServerFactory.messageReceived} logs the query types of all queries in the message if C{verbose} is set to C{1}. � example.com��name�typerm rZ z&MX AAAA query from ('192.0.2.100', 53)Nro rq �r rs �addQueryZMXZAAAAr r8 rt ru r r r � test_messageReceivedLogging1� s �z2DNSServerFactoryTests.test_messageReceivedLogging1c C sN t �� }|jdt jd� |jdt jd� tdd�}t| dg|j|ddd� dS ) z� L{server.DNSServerFactory.messageReceived} logs the repr of all queries in the message if C{verbose} is set to C{2}. rw rx � rZ zT<Query example.com MX IN> <Query example.com AAAA IN> query from ('192.0.2.100', 53)Nro rq r{ ru r r r � test_messageReceivedLogging2� s ��z2DNSServerFactoryTests.test_messageReceivedLogging2c sN t �� }t� }t� � | �tjd� fdd�� |j|ddd� | �|j � � dS )zv L{server.DNSServerFactory.messageReceived} assigns a unix timestamp to the received message. �timec s � S r r r ��tr r �<lambda>� r4 zEDNSServerFactoryTests.test_messageReceivedTimestamp.<locals>.<lambda>Nrq ) r rs r rC �patchr r� rt r6 � timeReceivedru r r� r � test_messageReceivedTimestamp� s z3DNSServerFactoryTests.test_messageReceivedTimestampc C s^ t �� }t� }t� }t� }| jtj|j|||d�}|j\}}| �||||f� | �|i � dS )z� L{server.DNSServerFactory.messageReceived} passes all messages to L{server.DNSServerFactory.allowQuery} along with the receiving protocol and origin address. rq N) r rs rC r! � assertRaisesr$ rt r r6 )r r Z dummyProtocol� dummyAddressrf �er r r r r � test_messageReceivedAllowQuery� s � z4DNSServerFactoryTests.test_messageReceivedAllowQueryc sj G dd� dt �� G � fdd�dtj�}|� }| j� |jt�� ddd�}|j\\}}}}| �|j tj � dS )z� If C{allowQuery} returns C{False}, L{server.DNSServerFactory.messageReceived} calls L{server.sendReply} with a message whose C{rCode} is L{dns.EREFUSED}. c @ s e Zd ZdS )zFDNSServerFactoryTests.test_allowQueryFalse.<locals>.SendReplyExceptionNrL r r r r �SendReplyException� s r� c s e Zd Zdd� Z� fdd�ZdS )zKDNSServerFactoryTests.test_allowQueryFalse.<locals>.RaisingDNSServerFactoryc _ s dS )NFr r r r r r � s zVDNSServerFactoryTests.test_allowQueryFalse.<locals>.RaisingDNSServerFactory.allowQueryc s � ||��d S r r r �r� r r r � s zUDNSServerFactoryTests.test_allowQueryFalse.<locals>.RaisingDNSServerFactory.sendReplyN)r r r r r r r� r r r! � s r! Nrq ) r% r r: r� rt r rs r r6 �rCodeZEREFUSED)r r! rf r� rr r r r r r� r �test_allowQueryFalse� s �z*DNSServerFactoryTests.test_allowQueryFalsec sX dg|_ g � � fdd�}t� }t�d�}t|||� |�||� | �� ||dfg� dS )a� Assert that the named method is called with the given message when it is passed to L{DNSServerFactory.messageReceived}. @param methodName: The name of the method which is expected to be called. @type methodName: L{str} @param message: The message which is expected to be passed to the C{methodName} method. @type message: L{dns.Message} Nc s � � | ||f� d S r �r5 �r r r �ZreceivedMessagesr r � fakeHandler s z?DNSServerFactoryTests._messageReceivedTest.<locals>.fakeHandler)�queriesr* r r: �setattrrt r6 )r � methodNamer r� r r` r r� r �_messageReceivedTest s z*DNSServerFactoryTests._messageReceivedTestc C s | � dtjtjd�� dS )z� L{DNSServerFactory.messageReceived} passes messages with an opcode of C{OP_QUERY} on to L{DNSServerFactory.handleQuery}. � handleQuery�ZopCodeN)r� r rs ZOP_QUERYr< r r r �test_queryMessageReceived s z/DNSServerFactoryTests.test_queryMessageReceivedc C s | � dtjtjd�� dS )z� L{DNSServerFactory.messageReceived} passes messages with an opcode of C{OP_INVERSE} on to L{DNSServerFactory.handleInverseQuery}. �handleInverseQueryr� N)r� r rs Z OP_INVERSEr< r r r � test_inverseQueryMessageReceived& s �z6DNSServerFactoryTests.test_inverseQueryMessageReceivedc C s | � dtjtjd�� dS )z� L{DNSServerFactory.messageReceived} passes messages with an opcode of C{OP_STATUS} on to L{DNSServerFactory.handleStatus}. � handleStatusr� N)r� r rs Z OP_STATUSr< r r r �test_statusMessageReceived/ s z0DNSServerFactoryTests.test_statusMessageReceivedc C s | � dtjtjd�� dS )z� L{DNSServerFactory.messageReceived} passes messages with an opcode of C{OP_NOTIFY} on to L{DNSServerFactory.handleNotify}. � handleNotifyr� N)r� r rs Z OP_NOTIFYr< r r r �test_notifyMessageReceived6 s z0DNSServerFactoryTests.test_notifyMessageReceivedc C s | � dtjtjd�� dS )z� L{DNSServerFactory.messageReceived} passes messages with an opcode of C{OP_UPDATE} on to L{DNSServerFactory.handleOther}. This may change if the implementation ever covers update messages. � handleOtherr� N)r� r rs Z OP_UPDATEr< r r r �test_updateMessageReceived= s z0DNSServerFactoryTests.test_updateMessageReceivedc C s� t � t � }}t�� }|�|� | �|j|g� |�|� | �|j||g� |�|� | �|j|g� |�|� | �|jg � dS )z� The C{connectionMade} and C{connectionLost} methods of L{DNSServerFactory} cooperate to keep track of all L{DNSProtocol} objects created by a factory which are connected. N)rC r r: ZconnectionMader6 � connectionsZconnectionLost)r ZprotoAZprotoBr` r r r �test_connectionTrackingF s z-DNSServerFactoryTests.test_connectionTrackingc C sh t �� }|�d� |�d� t�� }t� |_| jtj|j |t � dd�}|j \\}}| � ||j d � dS )z� L{server.DNSServerFactory.handleQuery} takes the first query from the supplied message and dispatches it to L{server.DNSServerFactory.resolver.query}. � one.example.coms two.example.comNr� r )r rs r| r r: r+ r; r� r, r� r* r r6 r� )r r2 rf r� r- r r r r �test_handleQueryW s � z&DNSServerFactoryTests.test_handleQueryc s� t �� }t�� � G � fdd�d�}|� |_g ��fdd�}||_t�� }|�d� t � }t � }|j |||d� t � }� � |� | � �||||fi fg� dS )aC L{server.DNSServerFactory.handleQuery} adds L{server.DNSServerFactory.resolver.gotResolverResponse} as a callback to the deferred returned by L{server.DNSServerFactory.resolver.query}. It is called with the query response, the original protocol, message and origin address. c s e Zd Z� fdd�ZdS )zDDNSServerFactoryTests.test_handleQueryCallback.<locals>.FakeResolverc s � S r r r ��dr r r- z s zJDNSServerFactoryTests.test_handleQueryCallback.<locals>.FakeResolver.queryN�r r r r- r r� r r � FakeResolvery s r� c s � � | |f� d S r r� r )�gotResolverResponseArgsr r �fakeGotResolverResponse� s zODNSServerFactoryTests.test_handleQueryCallback.<locals>.fakeGotResolverResponser� r� N)r r: r �Deferredr; �gotResolverResponser rs r| r* rC r� �callbackr6 )r rf r� r� r2 rc r� Z dummyResponser )r� r� r �test_handleQueryCallbackm s$ �z.DNSServerFactoryTests.test_handleQueryCallbackc s� t �� }t�� � G � fdd�d�}|� |_g ��fdd�}||_t�� }|�d� t � }t � }|j |||d� t � t� �}� �|� | ��||||fi fg� dS )a? L{server.DNSServerFactory.handleQuery} adds L{server.DNSServerFactory.resolver.gotResolverError} as an errback to the deferred returned by L{server.DNSServerFactory.resolver.query}. It is called with the query failure, the original protocol, message and origin address. c s e Zd Z� fdd�ZdS )zCDNSServerFactoryTests.test_handleQueryErrback.<locals>.FakeResolverc s � S r r r r� r r r- � s zIDNSServerFactoryTests.test_handleQueryErrback.<locals>.FakeResolver.queryNr� r r� r r r� � s r� c s � � | |f� d S r r� r )�gotResolverErrorArgsr r �fakeGotResolverError� s zKDNSServerFactoryTests.test_handleQueryErrback.<locals>.fakeGotResolverErrorr� r� N)r r: r r� r; �gotResolverErrorr rs r| r* rC r� r �Failurer% Zerrbackr6 )r rf r� r� r2 rc r� Z stubFailurer )r� r� r �test_handleQueryErrback� s" �z-DNSServerFactoryTests.test_handleQueryErrbackc C st t �� }g }g }g }| jtj|j|||ft� t�� dd�}|j\\}}| � |j |� | � |j |� | � |j |� dS )z� L{server.DNSServerFactory.gotResolverResponse} accepts a tuple of resource record lists and triggers a response message containing those resource record lists. N�r r r ) r r: r� r& r' r� r rs r r^ �answers� authority� additional)r rf r� r� r� r� r r r r r �test_gotResolverResponse� s � z.DNSServerFactoryTests.test_gotResolverResponsec C sd t � }t|_t�� }d|_| jt|jg g g fd|dd�}| � dt |tj g g g d�f|j |j f� dS )z� L{server.DNSServerFactory.gotResolverResponse} calls L{server.DNSServerFactory._responseFromMessage} to generate a response. rm Nr� r )r r� r� r� r� )r r �_responseFromMessager rs r� r� r r� r6 �dict�OKr r �r r` �requestr� r r r �0test_gotResolverResponseCallsResponseFromMessage� s0 ��� �zFDNSServerFactoryTests.test_gotResolverResponseCallsResponseFromMessagec C s4 t �� }tjddd�}|j|d�f}| �||� dS )z� L{server.DNSServerFactory._responseFromMessage} generates a response message which is a copy of the request message. F)�answer�recAv�r N)r r: r rs r� Z assertIsNot�r r` r� �responser r r �"test_responseFromMessageNewMessage� s z8DNSServerFactoryTests.test_responseFromMessageNewMessagec C sT t �� }d|_|jtjdd�d�}d|_|jtjdd�d�}| �d|j|jf� dS )z� L{server.DNSServerFactory._responseFromMessage} generates a response message whose C{recAV} attribute is L{True} if L{server.DNSServerFactory.canRecurse} is L{True}. TF)r� r� �TFN)r r: rU r� r rs r6 r� �r r` Z response1Z response2r r r �*test_responseFromMessageRecursionAvailable s z@DNSServerFactoryTests.test_responseFromMessageRecursionAvailablec C s6 t �� }t�� }d|_|j|d�}| �|j|j� dS )z� L{server.DNSServerFactory._responseFromMessage} generates a response message whose C{timeReceived} attribute has the same value as that found on the request. i� r� N)r r: r rs r� r� r6 r� r r r �$test_responseFromMessageTimeReceived s z:DNSServerFactoryTests.test_responseFromMessageTimeReceivedc C s6 t �� }t�� }d|_|j|d�}| �|j|j� dS )z� L{server.DNSServerFactory._responseFromMessage} generates a response message whose C{maxSize} attribute has the same value as that found on the request. r r� N)r r: r rs ZmaxSizer� r6 r� r r r � test_responseFromMessageMaxSize s z5DNSServerFactoryTests.test_responseFromMessageMaxSizec C s | � tjtjj� dS )z{ L{server.DNSServerFactory} has a C{_messageFactory} attribute which is L{dns.Message} by default. N)r^ r rs r r: �_messageFactoryr< r r r �test_messageFactory' s z)DNSServerFactoryTests.test_messageFactoryc C sd t �� }| �tdt� t�� }| jt|j|tj d�}| � dt |j |tj |j dd�f|j|jf� dS )a4 L{server.DNSServerFactory._responseFromMessage} calls C{dns._responseFromMessage} to generate a response message from the request message. It supplies the request message and other keyword arguments which should be passed to the response message initialiser. r� �r r� r F)ZresponseConstructorr r� r� �authN)r r: r� r r rs r� r r� r� r6 r� r� rU r r r� r r r �+test_responseFromMessageCallsMessageFactory. s$ ��� �zADNSServerFactoryTests.test_responseFromMessageCallsMessageFactoryc C sX t �� }|jt�� tjdd�gd�}|jt�� tjdd�gd�}| �d|j|jf� dS )z� L{server.DNSServerFactory._responseFromMessage} marks the response message as authoritative if any of the answer records are authoritative. T)r� )r r� Fr� N)r r: r� r rs �RRHeaderr6 r� r� r r r �,test_responseFromMessageAuthoritativeMessageK s �� �zBDNSServerFactoryTests.test_responseFromMessageAuthoritativeMessagec C sR t dd�}t�� g}t�� g}t�� g}t| dg|j|||ft� t�� dd� dS )z� L{server.DNSServerFactory.gotResolverResponse} logs the total number of records in the response if C{verbose > 0}. rm rZ zLookup found 3 recordsNr� )r r r� r8 r� r* rs )r rf r� r� r� r r r � test_gotResolverResponseLogging\ s �z5DNSServerFactoryTests.test_gotResolverResponseLoggingc C s� t t� gd�}t�� }|�d� t�� g}g }g }| jtj|j|||ft � |dd�}|j \\}\}} } } | � |j j d� | � ||� | � | |� | � | |� dS )z� L{server.DNSServerFactory.gotResolverResponse} caches the response if at least one cache was provided in the constructor. rF s example.comNr� )r r. r rs r| r� r� r/ r� r* r r6 ry r^ ) r rf r2 ZexpectedAnswersZexpectedAuthorityZexpectedAdditionalr� r- r� r� r� r r r r � test_gotResolverResponseCachingp s& � z5DNSServerFactoryTests.test_gotResolverResponseCachingc C sb t � }t|_t�� }d|_| jt|jt � t � � �d|dd�}| � dt|tjd�f|j|jf� dS )z� L{server.DNSServerFactory.gotResolverError} calls L{server.DNSServerFactory._responseFromMessage} to generate a response. rm Nr� r r� )r r r� r rs r� r� r r� r r� r � DomainErrorr6 r� �ENAMEr r r� r r r �-test_gotResolverErrorCallsResponseFromMessage� s ��zCDNSServerFactoryTests.test_gotResolverErrorCallsResponseFromMessagec C sL t �� }| jtj|jt�|�t� t� � dd�}|j \\}}| � |j |� dS )a{ L{server.DNSServerFactory.gotResolver} accepts a L{failure.Failure} and triggers a response message whose rCode corresponds to the DNS error contained in the C{Failure}. @param responseError: The L{Exception} instance which is expected to trigger C{expectedMessageCode} when it is supplied to C{gotResolverError} @type responseError: L{Exception} @param expectedMessageCode: The C{rCode} which is expected in the message returned by C{gotResolverError} in response to C{responseError}. @type expectedMessageCode: L{int} Nr� ) r r: r� r& r' r� r r� r rs r r6 r� )r Z responseErrorZexpectedMessageCoderf r� r r r r r �_assertMessageRcodeForError� s � z1DNSServerFactoryTests._assertMessageRcodeForErrorc C s | � t�� tj� dS )z� L{server.DNSServerFactory.gotResolver} triggers a response message with an C{rCode} of L{dns.ENAME} if supplied with a L{error.DomainError}. N)r� r r� r r� r< r r r � test_gotResolverErrorDomainError� s z6DNSServerFactoryTests.test_gotResolverErrorDomainErrorc C s | � t�� tj� dS )z� L{server.DNSServerFactory.gotResolver} triggers a response message with an C{rCode} of L{dns.ENAME} if supplied with a L{error.AuthoritativeDomainError}. N)r� r ZAuthoritativeDomainErrorr r� r< r r r �-test_gotResolverErrorAuthoritativeDomainError� s zCDNSServerFactoryTests.test_gotResolverErrorAuthoritativeDomainErrorc C s. | � t� tj� | �t�}| �t|�d� dS )z� L{server.DNSServerFactory.gotResolver} triggers a response message with an C{rCode} of L{dns.ESERVER} if supplied with another type of error and logs the error. rm N)r� �KeyErrorr ZESERVERZflushLoggedErrorsr6 �len)r r� r r r � test_gotResolverErrorOtherError� s z5DNSServerFactoryTests.test_gotResolverErrorOtherErrorc C s8 t dd�}t| dg|jt�t�� �t� t� � dd� dS )zZ L{server.DNSServerFactory.gotResolver} logs a message if C{verbose > 0}. rm rZ z Lookup failedNr� ) r r8 r� r r� r r� r* r rs rk r r r � test_gotResolverErrorLogging� s �z2DNSServerFactoryTests.test_gotResolverErrorLoggingc s� t �� }g � � fdd�|_tjddd�}t� t� g|_t� t� g|_t� t� g|_|j t � t � � �d|dd� | �tjddd�g� � dS ) z� L{server.DNSServerFactory.gotResolverError} does not allow request attributes to leak into the response ie it sends a response with AD, CD set to 0 and empty response record sections. c s � � |�S r r� �r r� r �� responsesr r r� � s �zUDNSServerFactoryTests.test_gotResolverErrorResetsResponseAttributes.<locals>.<lambda>T�Z authenticDataZcheckingDisabledNr� � �r� r� )r r: r r rs rC r� r� r� r� r r� r r� r6 �r r` r� r r� r �-test_gotResolverErrorResetsResponseAttributes� s �zCDNSServerFactoryTests.test_gotResolverErrorResetsResponseAttributesc s� t �� }g � � fdd�|_tjddd�}t� t� g|_t� t� g|_t� t� g|_|j g g g fd|dd� | � tjddd�g� � dS ) a L{server.DNSServerFactory.gotResolverResponse} does not allow request attributes to leak into the response ie it sends a response with AD, CD set to 0 and none of the records in the request answer sections are copied to the response. c s � � |�S r r� r� r� r r r� s �zXDNSServerFactoryTests.test_gotResolverResponseResetsResponseAttributes.<locals>.<lambda>Tr� Nr� r r� ) r r: r r rs rC r� r� r� r� r6 r� r r� r �0test_gotResolverResponseResetsResponseAttributes s �zFDNSServerFactoryTests.test_gotResolverResponseResetsResponseAttributesc C sZ t �� }t� }t�� }| jtj|jt� ||d�}|j \}}| � |||f� | � |i � dS )z� If L{server.DNSServerFactory.sendReply} is supplied with a protocol *and* an address tuple it will supply that address to C{protocol.writeMessage}. r� N) r rs rC r r: r� r& r' r r r6 )r r2 r� rf r� r r r r r �test_sendReplyWithAddress s � z/DNSServerFactoryTests.test_sendReplyWithAddressc C sR t �� }t�� }| jtj|jt� |dd�}|j\}}| � ||f� | � |i � dS )z� If L{server.DNSServerFactory.sendReply} is supplied with a protocol but no address tuple it will supply only a message to C{protocol.writeMessage}. Nr� ) r rs r r: r� r& r' r r r6 )r r2 rf r� r r r r r � test_sendReplyWithoutAddress+ s � z2DNSServerFactoryTests.test_sendReplyWithoutAddressc C sN | � tjddd� � t�� }d|_tjdd�}t| ddg|jt � |d d � d S ) z� If L{server.DNSServerFactory.sendReply} logs a "no answers" message if the supplied message has no answers. r� c S s dS �Ni�Q r r r r r r� C r4 zFDNSServerFactoryTests.test_sendReplyLoggingNoAnswers.<locals>.<lambda>�Q r~ rZ zReplying with no answers� Processed query in 1.000 secondsNr� ) r� r r� r rs r� r: r8 r r* ru r r r � test_sendReplyLoggingNoAnswers> s �z4DNSServerFactoryTests.test_sendReplyLoggingNoAnswersc C s� | � tjddd� � t�� }|j�tjt�d�d�� |j �tjt�d�d�� |j �tjt�d�d�� d|_ tj dd�}t | g d �|jt� |d d � d S ) z� If L{server.DNSServerFactory.sendReply} logs a message for answers, authority, additional if the supplied a message has records in any of those sections. r� c S s dS r� r r r r r r� V r4 zHDNSServerFactoryTests.test_sendReplyLoggingWithAnswers.<locals>.<lambda>z 127.0.0.1)�payloadr� r~ rZ )z*Answers are <A address=127.0.0.1 ttl=None>z+Authority is <A address=127.0.0.1 ttl=None>z,Additional is <A address=127.0.0.1 ttl=None>r� Nr� )r� r r� r rs r� r5 r� ZRecord_Ar� r� r� r: r8 r r* ru r r r � test_sendReplyLoggingWithAnswersP s �z6DNSServerFactoryTests.test_sendReplyLoggingWithAnswersc C sF t �� }| jtj|jt�� t� dd�}|j\\}}| � |j tj � dS )z� L{server.DNSServerFactory.handleInverseQuery} triggers the sending of a response message with C{rCode} set to L{dns.ENOTIMP}. Nr� ) r r: r� r& r' r� r rs r r6 r� �ENOTIMP�r rf r� r r r r r �test_handleInverseQueryk s � z-DNSServerFactoryTests.test_handleInverseQueryc C s, t dd�}t| dg|jt�� t� dd� dS )zz L{server.DNSServerFactory.handleInverseQuery} logs the message origin address if C{verbose > 0}. rm rZ z Inverse query from ('::1', 53)�z::1rp r� N)r r8 r� r rs r* rk r r r � test_handleInverseQueryLogging| s �z4DNSServerFactoryTests.test_handleInverseQueryLoggingc C sF t �� }| jtj|jt�� t� dd�}|j\\}}| � |j tj � dS )z� L{server.DNSServerFactory.handleStatus} triggers the sending of a response message with C{rCode} set to L{dns.ENOTIMP}. Nr� ) r r: r� r& r' r� r rs r r6 r� r� r� r r r �test_handleStatus� s � z'DNSServerFactoryTests.test_handleStatusc C s, t dd�}t| dg|jt�� t� dd� dS )zt L{server.DNSServerFactory.handleStatus} logs the message origin address if C{verbose > 0}. rm rZ z Status request from ('::1', 53)r� r� N)r r8 r� r rs r* rk r r r �test_handleStatusLogging� s �z.DNSServerFactoryTests.test_handleStatusLoggingc C sF t �� }| jtj|jt�� t� dd�}|j\\}}| � |j tj � dS )z� L{server.DNSServerFactory.handleNotify} triggers the sending of a response message with C{rCode} set to L{dns.ENOTIMP}. Nr� ) r r: r� r& r' r� r rs r r6 r� r� r� r r r �test_handleNotify� s � z'DNSServerFactoryTests.test_handleNotifyc C s, t dd�}t| dg|jt�� t� dd� dS )zt L{server.DNSServerFactory.handleNotify} logs the message origin address if C{verbose > 0}. rm rZ z Notify message from ('::1', 53)r� r� N)r r8 r� r rs r* rk r r r �test_handleNotifyLogging� s �z.DNSServerFactoryTests.test_handleNotifyLoggingc C sF t �� }| jtj|jt�� t� dd�}|j\\}}| � |j tj � dS )z� L{server.DNSServerFactory.handleOther} triggers the sending of a response message with C{rCode} set to L{dns.ENOTIMP}. Nr� ) r r: r� r& r' r� r rs r r6 r� r� r� r r r �test_handleOther� s � z&DNSServerFactoryTests.test_handleOtherc C s, t dd�}t| dg|jt�� t� dd� dS )zs L{server.DNSServerFactory.handleOther} logs the message origin address if C{verbose > 0}. rm rZ z$Unknown op code (0) from ('::1', 53)r� r� N)r r8 r� r rs r* rk r r r �test_handleOtherLogging� s �z-DNSServerFactoryTests.test_handleOtherLoggingN)Dr r r r r= r@ rE rH rK rP rR rS rV rW rY r\ r] r_ rh rl rn rv r} r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r9 � s� ('! r9 N) r Zzope.interface.verifyr Ztwisted.internetr Ztwisted.internet.interfacesr Z twisted.namesr r r r Ztwisted.pythonr r Z twisted.trialr r% r r r: r r! r& r* r+ r. r8 ZTestCaser9 r r r r �<module> s !
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