ó [³XMc@sdZddlZddlZddlZddlmZddlmZddlm Z ddl m Z m Z ddl m Z mZddl mZmZmZd dd „ƒYZd eefd „ƒYZd eefd„ƒYZdeefd„ƒYZdeefd„ƒYZdS(sX Tests for L{twisted.internet._sigchld}, an alternate, superior SIGCHLD monitoring API. iÿÿÿÿN(tmsg(tTestCase(tsetNonBlocking(tinstallHandlertisDefaultHandler(t_extInstallHandlert_extIsDefaultHandler(t_installHandlerUsingSetWakeupt_installHandlerUsingSignalt_isDefaultHandlertSIGCHLDTestsMixincBs€eZdZeedd ƒd kr-dZnd„Zd„Zd„Z d„Z d„Z d„Z d „Z d „Zd „ZRS( s Mixin for L{TestCase} subclasses which defines several tests for I{installHandler} and I{isDefaultHandler}. Subclasses are expected to define C{self.installHandler} and C{self.isDefaultHandler} to invoke the implementation to be tested. tSIGCHLDsPlatform does not have SIGCHLDcCs tƒ‚dS(sº Override in a subclass to install a SIGCHLD handler which writes a byte to the given file descriptor. Return the previously registered file descriptor. N(tNotImplementedError(tselftfd((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyRscCs tƒ‚dS(sŸ Override in a subclass to determine if the current SIGCHLD handler is SIG_DFL or not. Return True if it is SIG_DFL, False otherwise. N(R (R ((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyR(scCsVtjƒ\}}|jtj|ƒ|jtj|ƒt|ƒt|ƒ||fS(sk Create a non-blocking pipe which will be closed after the currently running test. (tostpipet addCleanuptcloseR(R treadtwrite((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyR0s   cCs©tjtjƒ}|tjkrC||_tjtjtjƒn d|_|jdƒ|_|jdk r¥|jdkr¥td|j|jfƒt dƒ‚ndS(s Save the current SIGCHLD handler as reported by L{signal.signal} and the current file descriptor registered with L{installHandler}. iÿÿÿÿsSIGCHLD setup issue: %r %rs,You used some signal APIs wrong! Try again.N( tsignalt getsignalR tSIG_DFLtsignalModuleHandlertNoneRtoldFDRt RuntimeError(R thandler((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pytsetUp=s  cCsq|jdƒtjtjtjƒ|jdk rKtjtj|jƒn"|jdkrm|j|jƒndS(sM Restore whatever signal handler was present when setUp ran. iÿÿÿÿN(RRR RRRR(R ((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyttearDownPs  cCs’|j|jƒƒtjtjtjƒ|j|jƒƒtjtjtjƒ|j|jƒƒtjtjd„ƒ|j|jƒƒdS(sn L{isDefaultHandler} returns true if the SIGCHLD handler is SIG_DFL, false otherwise. cWsdS(N(R(targs((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pytisN(t assertTrueRRR tSIG_IGNt assertFalseR(R ((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyttest_isDefaultHandler_scCs>|jƒ\}}|j|ƒ}|j|j|ƒ|ƒdS(sV L{installHandler} returns the previously registered file descriptor. N(RRt assertEqual(R RRR((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyttest_returnOldFDmscCsi|jƒ\}}|j|jƒƒ|j|ƒ|j|jƒƒ|jdƒ|j|jƒƒdS(sO C{installHandler(-1)} removes the SIGCHLD handler completely. iÿÿÿÿN(RR!RRR#(R RR((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyttest_uninstallHandlervs   cCs|jƒ\}}|j|ƒ|jttj|dƒ}|j|jtjƒtj tj ƒt j ƒ|jt tj|dƒƒdƒdS(sŒ The file descriptor passed to L{installHandler} has a byte written to it when SIGCHLD is delivered to the process. iiN(RRt assertRaisestOSErrorRRR%terrnotEAGAINtkilltgetpidRR tlen(R RRtexc((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyttest_installHandler‚s  N(t__name__t __module__t__doc__tgetattrRRtskipRRRRRR$R&R'R0(((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyR s      tDefaultSIGCHLDTestscBs&eZdZeeƒZeeƒZRS(ss Tests for whatever implementation is selected for the L{installHandler} and L{isDefaultHandler} APIs. (R1R2R3t staticmethodRR(((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyR6“s tExtensionSIGCHLDTestscBsDeZdZyddlZWnek r5dZnXeZe Z RS(s~ Tests for the L{twisted.internet._sigchld} implementation of the L{installHandler} and L{isDefaultHandler} APIs. iÿÿÿÿNs*twisted.internet._sigchld is not available( R1R2R3ttwisted.internet._sigchldttwistedt ImportErrorR5RRRR(((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyR8s  tSetWakeupSIGCHLDTestscBs_eZdZeeddƒdks<eeddƒdkrEdZneeƒZ ee ƒZ RS(sy Tests for the L{signal.set_wakeup_fd} implementation of the L{installHandler} and L{isDefaultHandler} APIs. t set_wakeup_fdt siginterrupts%signal.set_wakeup_fd is not availableN( R1R2R3R4RRR5R7RRR R(((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyR<¬s   tPlainSignalModuleSIGCHLDTestscBs&eZdZeeƒZeeƒZRS(sr Tests for the L{signal.signal} implementation of the L{installHandler} and L{isDefaultHandler} APIs. (R1R2R3R7RRR R(((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyR?¼s ((R3RRR*ttwisted.python.logRttwisted.trial.unittestRttwisted.internet.fdescRttwisted.internet._signalsRRRRRRR R R6R8R<R?(((sF/usr/lib/python2.7/dist-packages/twisted/internet/test/test_sigchld.pyts$