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a k�h�$ � @ s� d Z ddlZddlmZ ddlmZmZ ddlmZm Z ddl m Z ddl m Z mZmZ ddlmZ dd lmZ dd lmZ dd lmZ G d d � d e�ZG dd� dej�ZG dd� dej�Z dS )z- Test cases for L{twisted.names.srvconnect}. � N)� verifyObject)�defer�protocol)�DNSLookupError�ServiceNameUnknownError)� IConnector)�client�dns� srvconnect)� ResolverBase)� DNSNameError)� MemoryReactor)�unittestc @ s" e Zd ZdZddd�Zdd� ZdS )� FakeResolvera� Resolver that only gives out one given result. Either L{results} or L{failure} must be set and will be used for the return value of L{_lookup} @ivar results: List of L{dns.RRHeader} for the desired result. @type results: C{list} @ivar failure: Failure with an exception from L{twisted.names.error}. @type failure: L{Failure<twisted.python.failure.Failure>} Nc C s || _ || _g | _d S �N)�results�failure�lookups)�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_srvconnect.py�__init__$ s zFakeResolver.__init__c C s@ | j �||||f� | jdur0t�| jg g f�S t�| j�S dS )z9 Return the result or failure on lookup. N)r �appendr r ZsucceedZfailr )r �name�clsZqtype�timeoutr r r �_lookup) s zFakeResolver._lookup)NN)�__name__� __module__� __qualname__�__doc__r r r r r r r s r c @ s e Zd ZdZdd� Zdd� ZdS )� DummyFactoryzL Dummy client factory that stores the reason of connection failure. c C s d | _ d S r ��reason�r r r r r 9 s zDummyFactory.__init__c C s || _ d S r r" )r � connectorr# r r r �clientConnectionFailed< s z#DummyFactory.clientConnectionFailedN)r r r r r r& r r r r r! 4 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 S )!�SRVConnectorTestsz/ Tests for L{srvconnect.SRVConnector}. c C sF | � tdt� � t� | _t� | _t�| jdd| j�| _ g | _ g | _ d S )N� theResolver� xmpp-server� example.org) �patchr r r �reactorr! �factoryr � SRVConnectorr% � randIntArgs�randIntResultsr$ r r r �setUpE s �zSRVConnectorTests.setUpc C s | j �||f� | j�d�S )a� Fake randint. Returns the first element of L{randIntResults} and records the arguments passed to it in L{randIntArgs}. @param min: Lower bound of the random number. @type min: L{int} @param max: Higher bound of the random number. @type max: L{int} @return: Fake random number from L{randIntResults}. @rtype: L{int} r )r/ r r0 �pop)r �min�maxr r r �_randintO s zSRVConnectorTests._randintc C s t t| j� dS )zF L{srvconnect.SRVConnector} implements L{IConnector}. N)r r r% r$ r r r �test_interfaceb s z SRVConnectorTests.test_interfacec C sf t jdddd�}t jdt jt jd|d�gtj_| j� � | � | j j � | � | jj�� dd� d � dS ) zS Test connectTCP gets called with the address from the SRV record. �} �host.example.org�< ��port�target�ttlr* �r �typer r= �payloadN� )r8 r7 )r � Record_SRV�RRHeader�SRV�INr r( r r% �connect� assertIsNoner- r# � assertEqualr, � tcpClientsr2 �r r@ r r r �test_SRVPresenth s �� z!SRVConnectorTests.test_SRVPresentc C sD t d�tj_| j�� | �| jj� | � | j j � � dd� d� dS )zS Test connectTCP gets called with fallback parameters on NXDOMAIN. s example.orgNrA �r* r) ) r r r( r r% rF rG r- r# rH r, rI r2 r$ r r r �test_SRVNotPresentw s �z$SRVConnectorTests.test_SRVNotPresentc C s@ g t j_| j�� | �| jj� | �| j j � � dd� d� dS )zW Test connectTCP gets called with fallback parameters on empty result. NrA rL ) r r( r r% rF rG r- r# rH r, rI r2 r$ r r r �test_SRVNoResult� s �z"SRVConnectorTests.test_SRVNoResultc C s\ t j| jdd| jdd�| _t� tj_| j� � | � | jj � | � | jj �� dd� d� dS )zY connectTCP gets called with default port if the service is not defined. �thisbetternotexistr* �f )Z defaultPortNrA )r* rP )r r. r, r- r% r r r( r rF rG r# rH rI r2 r$ r r r �)test_SRVNoResultUnknownServiceDefaultPort� s � z;SRVConnectorTests.test_SRVNoResultUnknownServiceDefaultPortc C sB t �| jdd| j�| _t� tj_| j� � | � | jj � t�� dS )zR Connect fails on no result, unknown service and no default port. rO r* N) r r. r, r- r% r r r( r rF Z assertTruer# �checkr$ r r r �+test_SRVNoResultUnknownServiceNoDefaultPort� s � z=SRVConnectorTests.test_SRVNoResultUnknownServiceNoDefaultPortc C sV t jdt jt jddd�gtj_| j�� | � | j j � | � | j j�� dd� d� dS )zU Test connectTCP gets called with fallback parameters on bad result. r* r9 Nr> rA rL )r rC ZCNAMErE r r( r r% rF rG r- r# rH r, rI r2 r$ r r r �test_SRVBadResult� s �� �z#SRVConnectorTests.test_SRVBadResultc C sh t jdddd�}t jdt jt jd|d�gtj_| j� � | � | j j � | j j � t� | �| jjg � dS )zH Test that connecting fails when no service is present. i� � .r9 r: r* r> N)r rB rC rD rE r r( r r% rF ZassertIsNotNoner- r# Ztrapr rH r, rI rJ r r r �test_SRVNoService� s �� z#SRVConnectorTests.test_SRVNoServicec C s2 g t j_| j�� t jjd d }| �d|� dS )zW The lookup name is a native string from service, protocol and domain. ���r s _xmpp-server._tcp.example.orgN)r r( r r% rF r rH )r r r r r �test_SRVLookupName� s z$SRVConnectorTests.test_SRVLookupNamec C s* t �| jdd| j�| _| �d| jj� dS )zq L{srvconnect.SRVConnector} automatically encodes unicode domain using C{idna} encoding. z xmpp-clientu échec.example.orgs xn--chec-9oa.example.orgN)r r. r, r- r% rH �domainr$ r r r �test_unicodeDomain� s �z$SRVConnectorTests.test_unicodeDomainc C s� t �dddd�}t �dddd�}||g| j_g | j_| �td| j� ddg| _| j� � | � | j d d � | j� � | � | j d d � ddg| _| j� � | � | j d d � | j� � | � | j d d� dS )a pickServer calculates running sum of weights and calls randint. This exercises the server selection algorithm specified in RFC 2782 by preparing fake L{random.randint} results and checking the values it was called with. � rP �host1.example.org� �host2.example.org�randint� r )r � � )r r[ rA � )r r] N) r rB r% �orderedServers�serversr+ �randomr5 r0 � pickServerrH r/ �r Zrecord1Zrecord2r r r �test_pickServerWeights� s z(SRVConnectorTests.test_pickServerWeightsc C sv t �dddd�}t �dddd�}||g| j_g | j_| �td| j� ddg| _| � d| j� � � | � d | j� � � d S ) zR Two records with equal priorities compare on weight (ascending). r[ rP r\ r] r^ r_ r �r\ rP �r^ rP N� r rB r% rd re r+ rf r5 r0 rH rg rh r r r � test_pickServerSamePriorities s z/SRVConnectorTests.test_pickServerSamePrioritiesc C sv t �dddd�}t �dddd�}||g| j_g | j_| �td| j� ddg| _| � d| j� � � | � d | j� � � d S ) zX Two records with differing priorities compare on priority (ascending). r[ r rP r\ r] r^ r_ rj rk Nrl rh r r r �test_srvDifferentPriorities s z-SRVConnectorTests.test_srvDifferentPrioritiesN)r r r r r1 r5 r6 rK rM rN rQ rS rT rV rX rZ ri rm rn r r r r r' @ s !r' ) r rf Zzope.interface.verifyr Ztwisted.internetr r Ztwisted.internet.errorr r Ztwisted.internet.interfacesr Z twisted.namesr r r Ztwisted.names.commonr Ztwisted.names.errorr Ztwisted.test.proto_helpersr Z twisted.trialr r Z ClientFactoryr! ZTestCaser' r r r r �<module> s
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