U c6{iĶć@sZdZddlZddlmZddlmZmZddlmZm Z ddl m Z Gdd„de j ƒZ dS) z# Tests for L{twisted.names.cache}. éN)Ś verifyClass)Ś interfacesŚtask)ŚcacheŚdns)Śunittestc@s@eZdZdZdd„Zdd„Zdd„Zdd „Zd d „Zd d „Z dS)Ś CachingTestsz+ Tests for L{cache.CacheResolver}. cCsttjtjƒdS)zK L{cache.CacheResolver} implements L{interfaces.IResolver} N)rrZ IResolverrŚ CacheResolver©Śself©r śA/tmp/pip-unpacked-wheel-hfbvu0bz/twisted/names/test/test_cache.pyŚtest_interfaceszCachingTests.test_interfacecCsFt tjdtjtjdt ”gggffi”}| d” |j gggf”S)Nó example.com©ŚnameŚtypeŚcls) rr rŚQueryZMXŚINŚtimeZlookupMailExchangeŚ addCallbackŚ assertEqual)r Ścr r r Ś test_lookupsž’’ ’zCachingTests.test_lookupc CsĄt dtjtjdt dd””gt dtjtjdt dd””gt dtjtjdt dd””gf}t ”}tjdtjtjd}tj ||  ”|fi|d}|  d”|  ||j”|  | d”tj”S)zŠ Cache entries passed into L{cache.CacheResolver.__init__} get cancelled just like entries added with cacheResult ré<ś 127.0.0.1é2é(r©Zreactor)rŚRRHeaderŚArŚRecord_ArŚClockrrr ŚsecondsŚadvanceŚ assertNotInŚ assertFailureŚ lookupAddressŚ DomainError)r ŚrŚclockŚqueryrr r r Śtest_constructorExpires*s> ’’ ’’ ’’õ z$CachingTests.test_constructorExpiresc s“t dtjtjdt dd””gt dtjtjdt dd””gt dtjtjdt dd””gf}t ”}tj|d}|  tj dtjtjd|”|  d”‡fd d „}|  d”  |”S) z› When a cache lookup finds a cached entry from 1 second ago, it is returned with a TTL of original TTL minus the elapsed 1 second. rrrrrrrécs^ˆ |ddjd”ˆ |ddjd”ˆ |ddjd”ˆ |ddjjd”dS)Nré;r.é1éé'r)rZttlr)Śresultr r r ŚcbLookuplsz0CachingTests.test_normalLookup..cbLookup)rr r!rr"rr#rr Ś cacheResultrr%r(r)r r*r+rr4r r r Śtest_normalLookupNs> ’’ ’’ ’’õ   zCachingTests.test_normalLookupc Cs¾t dtjtjdt dd””gt dtjtjdt dd””gt dtjtjdt dd””gf}t ”}tj|d}tj dtjtjd}|  ||”|  d”|  ||j”|  | d”tj”S)zW Once the TTL has been exceeded, the result is removed from the cache. rrrrrrr)rr r!rr"rr#rr rr5r%r&r'r(r))r r*r+rr,r r r Śtest_cachedResultExpirests@ ’’ ’’ ’’õ   z%CachingTests.test_cachedResultExpiresc Csøt dtjtjdt dd””gt dtjtjdt dd””gt dtjtjdt dd””gf}t ”}dd„|_tj tj dtjtjd|  ”|fi|d }|  d ”|  | d”tj”S) z» When the cache is queried exactly as the cached entry should expire but before it has actually been cleared, the cache does not return the expired entry. rrrrrc_sdS)Nr )ŚargsŚkwargsr r r Ś°óz4CachingTests.test_expiredTTLLookup..rrgĶĢĢĢĢ N@)rr r!rr"rr#Z callLaterrr rr$r%r'r(r))r r*r+rr r r Śtest_expiredTTLLookup–sJ ’’ ’’ ’’õ ž’ł z"CachingTests.test_expiredTTLLookupN) Ś__name__Ś __module__Ś __qualname__Ś__doc__rrr-r6r7r<r r r r rs $&"r)r@rZzope.interface.verifyrZtwisted.internetrrZ twisted.namesrrZ twisted.trialrZTestCaserr r r r Śs