U  W[4ć@sjdZddlmZmZddlZddlmZddlmZddl m Z m Z ddl m Z mZGdd „d ejƒZdS) z# Tests for L{twisted.names.cache}. é)ŚdivisionŚabsolute_importN)Ś verifyClass)Śunittest)ŚdnsŚcache)ŚtaskŚ interfacesc@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)rr Z IResolverrŚ CacheResolver©Śself©rś?/usr/lib/python3/dist-packages/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 ŚcrrrŚ test_lookup sž ’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 ŚrŚclockŚqueryrrrrŚtest_constructorExpires(s& ’ ’ ’ü ’z$CachingTests.test_constructorExpiresc s“t dtjtjdt dd””gt dtjtjdt dd””gt dtjtjdt dd””gf}t ”}tj|d}|  tj dtjtjd|”|  d”‡fd d „}|  d”  |”S) z› When a cache lookup finds a cached entry from 1 second ago, it is returned with a TTL of original TTL minus the elapsed 1 second. rrrrr r!récs^ˆ |ddjd”ˆ |ddjd”ˆ |ddjd”ˆ |ddjjd”dS)Nré;r0é1éé'r)rZttlr)Śresultr rrŚcbLookupVsz0CachingTests.test_normalLookup..cbLookup)rr"r#rr$rr%rr Ś cacheResultrr'r*r)r r,r-rr6rr rŚtest_normalLookupCs  ’ ’ ’ü   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. rrrrr r!r)rr"r#rr$rr%rr rr7r'r(r)r*r+)r r,r-rr.rrrŚtest_cachedResultExpires_s( ’ ’ ’ü   ’z%CachingTests.test_cachedResultExpiresc Csøt dtjtjdt dd””gt dtjtjdt dd””gt dtjtjdt dd””gf}t ”}dd„|_tj tj dtjtjd|  ”|fi|d }|  d ”|  | d”tj”S) z» When the cache is queried exactly as the cached entry should expire but before it has actually been cleared, the cache does not return the expired entry. rrrrr c_sdS)Nr)ŚargsŚkwargsrrrŚ‡óz4CachingTests.test_expiredTTLLookup..rr!gĶĢĢĢĢ N@)rr"r#rr$rr%Z callLaterrr rr&r'r)r*r+)r r,r-rrrrŚtest_expiredTTLLookupxs. ’ ’ ’ü  žž ’z"CachingTests.test_expiredTTLLookupN) Ś__name__Ś __module__Ś __qualname__Ś__doc__rrr/r8r9r>rrrrr sr )rBZ __future__rrrZzope.interface.verifyrZ twisted.trialrZ twisted.namesrrZtwisted.internetrr ZTestCaser rrrrŚs