def testAddProcessSanityCheck(self):
reactor = Reactor()
try:
reactor.addProcess(lambda: None, prio=10)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Invalid priority: 10', str(e))
def testAddProcessSanityCheck(self):
reactor = Reactor()
try:
reactor.addProcess(lambda: None, prio=10)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Invalid priority: 10', str(e))
def testProcessWithSuspend(self):
reactor = Reactor()
trace = []
def p():
trace.append(reactor.suspend())
trace.append('suspending')
yield
trace.append('resuming')
yield
callback = p().next
reactor.addProcess(callback)
reactor.addProcess(lambda: None)
reactor.step()
self.assertEquals([callback], reactor._suspended.keys())
self.assertEquals([callback, 'suspending'], trace)
reactor.step()
self.assertEquals([callback], reactor._suspended.keys())
self.assertEquals([callback, 'suspending'], trace)
reactor.resumeProcess(handle=callback)
reactor.step()
self.assertEquals([], reactor._suspended.keys())
self.assertEquals([callback, 'suspending', 'resuming'], trace)
def testProcessWithSuspend(self):
reactor = Reactor()
trace = []
def p():
trace.append(reactor.suspend())
trace.append('suspending')
yield
trace.append('resuming')
yield
callback = p().next
reactor.addProcess(callback)
reactor.addProcess(lambda: None)
reactor.step()
self.assertEquals([callback], reactor._suspended.keys())
self.assertEquals([callback, 'suspending'], trace)
reactor.step()
self.assertEquals([callback], reactor._suspended.keys())
self.assertEquals([callback, 'suspending'], trace)
reactor.resumeProcess(handle=callback)
reactor.step()
self.assertEquals([], reactor._suspended.keys())
self.assertEquals([callback, 'suspending', 'resuming'], trace)
def testAddProcessGenerator(self):
reactor = Reactor()
trace = []
@identify
def p():
this = yield
yield # wait after this
trace.append(1)
yield
trace.append(2)
reactor.removeProcess(this.next)
yield
trace.append('should_not_happen')
yield
reactor.addProcess(p().next)
reactor.step()
self.assertEquals([1], trace)
reactor.step()
self.assertEquals([1, 2], trace)
reactor.addProcess(lambda: None)
reactor.step()
self.assertEquals([1, 2], trace)
def normalAsync():
this = yield
reactor.addProcess(this.next)
yield # waiting for realReactor's step()
result = asProcess(a())
yield # waiting for another step()
reactor.removeProcess(this.next)
raise Exception(('Stop', result))
def normalAsync():
this = yield
reactor.addProcess(this.next)
yield # waiting for realReactor's step()
result = asProcess(a())
yield # waiting for another step()
reactor.removeProcess(this.next)
raise Exception(('Stop', result))
def testProcessAddsNotWhenAlreadyInThere(self):
reactor = Reactor()
aProcess = lambda: None
reactor.addProcess(aProcess)
try:
reactor.addProcess(aProcess)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Process is already in processes', str(e))
def testProcessAddsNotWhenAlreadyInThere(self):
reactor = Reactor()
aProcess = lambda: None
reactor.addProcess(aProcess)
try:
reactor.addProcess(aProcess)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Process is already in processes', str(e))
def testExceptionsInProcessNotSuppressed(self):
reactor = Reactor()
def p():
raise RuntimeError('The Error')
reactor.addProcess(p)
self.assertEquals([p], reactor._processes.keys())
try:
reactor.step()
self.fail('Should not come here.')
except RuntimeError, e:
self.assertEquals('The Error', str(e))
self.assertEquals([], reactor._processes.keys())
def testExceptionsInProcessNotSuppressed(self):
reactor = Reactor()
def p():
raise RuntimeError('The Error')
reactor.addProcess(p)
self.assertEquals([p], reactor._processes.keys())
try:
reactor.step()
self.fail('Should not come here.')
except RuntimeError, e:
self.assertEquals('The Error', str(e))
self.assertEquals([], reactor._processes.keys())
def testShutdownWithRemainingProcesses(self):
reactor = Reactor()
lambdaFunc = lambda: None
reactor.addProcess(lambdaFunc)
self.assertEquals([lambdaFunc], reactor._processes.keys())
self.assertEquals('Reactor shutdown: terminating %s\n' % lambdaFunc, self.withSTDOUTRedirected(reactor.shutdown))
self.assertEquals([], reactor._processes.keys())
reactor = Reactor()
lambdaFunc = lambda: reactor.suspend()
reactor.addProcess(lambdaFunc)
reactor.step()
self.assertEquals([lambdaFunc], reactor._suspended.keys())
self.assertEquals('Reactor shutdown: terminating %s\n' % lambdaFunc, self.withSTDOUTRedirected(reactor.shutdown))
self.assertEquals([], reactor._suspended.keys())
def testShutdownWithRemainingProcesses(self):
reactor = Reactor()
lambdaFunc = lambda: None
reactor.addProcess(lambdaFunc)
self.assertEquals([lambdaFunc], reactor._processes.keys())
self.assertEquals('Reactor shutdown: terminating %s\n' % lambdaFunc,
self.withSTDOUTRedirected(reactor.shutdown))
self.assertEquals([], reactor._processes.keys())
reactor = Reactor()
lambdaFunc = lambda: reactor.suspend()
reactor.addProcess(lambdaFunc)
reactor.step()
self.assertEquals([lambdaFunc], reactor._suspended.keys())
self.assertEquals('Reactor shutdown: terminating %s\n' % lambdaFunc,
self.withSTDOUTRedirected(reactor.shutdown))
self.assertEquals([], reactor._suspended.keys())
def testAddProcessFunction(self):
reactor = Reactor()
trace = []
processMe = [1, 2]
def p():
try:
result = processMe.pop(0) * 2
trace.append(result)
except IndexError:
reactor.removeProcess()
trace.append('removedProcess')
reactor.addProcess(p)
reactor.step()
self.assertEquals([2], trace)
reactor.step()
self.assertEquals([2, 4], trace)
reactor.step()
self.assertEquals([2, 4, 'removedProcess'], trace)
reactor.addProcess(lambda: None)
reactor.step()
self.assertEquals([2, 4, 'removedProcess'], trace)
def testProcessPriority(self):
reactor = Reactor()
trace = []
defaultPass = iter(xrange(99))
def defaultPrio():
trace.append('default_%s' % defaultPass.next())
highPass = iter(xrange(99))
def highPrio():
trace.append('high_%s' % highPass.next())
lowPass = iter(xrange(99))
def lowPrio():
trace.append('low_%s' % lowPass.next())
reactor.addProcess(defaultPrio) # prio will be 0, "very high"
reactor.addProcess(highPrio, prio=1)
reactor.addProcess(lowPrio, prio=3)
reactor.step()
self.assertEquals([
'default_0',
], trace)
reactor.step()
self.assertEquals(set([
'default_0',
'high_0',
'default_1',
]), set(trace))
reactor.step()
self.assertEquals(
set([
'default_0',
'high_0',
'default_1',
'high_1',
'default_2',
]), set(trace))
reactor.step()
self.assertEquals(
set([
'default_0',
'high_0',
'default_1',
'high_1',
'default_2',
'high_2',
'low_0',
'default_3',
]), set(trace))
def testAddProcessFunction(self):
reactor = Reactor()
trace = []
processMe = [1, 2]
def p():
try:
result = processMe.pop(0) * 2
trace.append(result)
except IndexError:
reactor.removeProcess()
trace.append('removedProcess')
reactor.addProcess(p)
reactor.step()
self.assertEquals([2], trace)
reactor.step()
self.assertEquals([2, 4], trace)
reactor.step()
self.assertEquals([2, 4, 'removedProcess'], trace)
reactor.addProcess(lambda: None)
reactor.step()
self.assertEquals([2, 4, 'removedProcess'], trace)
def testAddProcessGenerator(self):
reactor = Reactor()
trace = []
@identify
def p():
this = yield
yield # wait after this
trace.append(1)
yield
trace.append(2)
reactor.removeProcess(this.next)
yield
trace.append('should_not_happen')
yield
reactor.addProcess(p().next)
reactor.step()
self.assertEquals([1], trace)
reactor.step()
self.assertEquals([1, 2], trace)
reactor.addProcess(lambda: None)
reactor.step()
self.assertEquals([1, 2], trace)
def testProcessPriority(self):
reactor = Reactor()
trace = []
defaultPass = iter(xrange(99))
def defaultPrio():
trace.append('default_%s' % defaultPass.next())
highPass = iter(xrange(99))
def highPrio():
trace.append('high_%s' % highPass.next())
lowPass = iter(xrange(99))
def lowPrio():
trace.append('low_%s' % lowPass.next())
reactor.addProcess(defaultPrio) # prio will be 0, "very high"
reactor.addProcess(highPrio, prio=1)
reactor.addProcess(lowPrio, prio=3)
reactor.step()
self.assertEquals([
'default_0',
], trace)
reactor.step()
self.assertEquals(set([
'default_0',
'high_0', 'default_1',
]), set(trace))
reactor.step()
self.assertEquals(set([
'default_0',
'high_0', 'default_1',
'high_1', 'default_2',
]), set(trace))
reactor.step()
self.assertEquals(set([
'default_0',
'high_0', 'default_1',
'high_1', 'default_2',
'high_2', 'low_0', 'default_3',
]), set(trace))
self.assertEquals([2, 4, 'removedProcess'], trace)
reactor.addProcess(lambda: None)
reactor.step()
self.assertEquals([2, 4, 'removedProcess'], trace)
def testAddProcessSanityCheck(self):
reactor = Reactor()
try:
reactor.addProcess(lambda: None, prio=10)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Invalid priority: 10', str(e))
try:
reactor.addProcess(lambda: None, prio=-1)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Invalid priority: -1', str(e))
lambdaFunc = lambda: reactor.suspend()
reactor.addProcess(lambdaFunc)
reactor.step()
try:
reactor.addProcess(lambdaFunc)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Process is suspended', str(e))
def testProcessAddsNotWhenAlreadyInThere(self):
reactor = Reactor()
self.assertEquals([2, 4, 'removedProcess'], trace)
reactor.addProcess(lambda: None)
reactor.step()
self.assertEquals([2, 4, 'removedProcess'], trace)
def testAddProcessSanityCheck(self):
reactor = Reactor()
try:
reactor.addProcess(lambda: None, prio=10)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Invalid priority: 10', str(e))
try:
reactor.addProcess(lambda: None, prio=-1)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Invalid priority: -1', str(e))
lambdaFunc = lambda: reactor.suspend()
reactor.addProcess(lambdaFunc)
reactor.step()
try:
reactor.addProcess(lambdaFunc)
self.fail('Should not come here.')
except ValueError, e:
self.assertEquals('Process is suspended', str(e))
def testProcessAddsNotWhenAlreadyInThere(self):
reactor = Reactor()
