def test_spawn(self):
class Child(VisitPassenger):
def __init__(self):
VisitPassenger.__init__(self)
self.osaka= False
def itinerary(self):
yield vpath2regexp('//osaka')
self.osaka= True
raise StopIteration
c = Child()
class Parent(VisitPassenger):
def __init__(self):
VisitPassenger.__init__(self)
self.tokyo = False
def spawn(self):
return [c]
def itinerary(self):
yield re.compile('^.*tokyo')
self.tokyo = True
raise StopIteration
p = Parent()
self.assert_(not p.tokyo)
self.assert_(not c.osaka)
bus = VisitBus((p,))
bus.visit(self.tree.getroot())
self.assert_(p.tokyo)
self.assert_(c.osaka)
def test_japandu(self):
class JapanPassenger(VisitPassenger):
def __init__(self):
VisitPassenger.__init__(self)
self.down = False
self.up= False
self.tokyo = False
self.osaka = False
def itinerary(self):
yield vpath2regexp('//japan>')
self.down = True
yield vpath2regexp('//tokyo')
self.tokyo = True
yield vpath2regexp('//osaka')
self.osaka = True
yield vpath2regexp('//japan<')
self.up = True
raise StopIteration
p = JapanPassenger()
self.assert_(not p.down)
self.assert_(not p.up)
self.assert_(not p.tokyo)
self.assert_(not p.osaka)
bus = VisitBus((p,))
bus.visit(self.tree.getroot())
self.assert_(p.down)
self.assert_(p.tokyo)
self.assert_(p.osaka)
self.assert_(p.up)
def test_ManyPassengers(self):
class TokyoPassenger(VisitPassenger):
def __init__(self):
VisitPassenger.__init__(self)
self.tokyo = False
def itinerary(self):
yield vpath2regexp('//tokyo')
self.tokyo = True
raise StopIteration
class OsakaPassenger(VisitPassenger):
def __init__(self):
VisitPassenger.__init__(self)
self.osaka = False
def itinerary(self):
yield vpath2regexp('//osaka')
self.osaka = True
raise StopIteration
tokyo1 = TokyoPassenger()
tokyo2 = TokyoPassenger()
osaka = OsakaPassenger()
self.assert_(not tokyo1.tokyo)
self.assert_(not tokyo2.tokyo)
self.assert_(not osaka.osaka)
bus = VisitBus((tokyo1, tokyo2, osaka))
bus.visit(self.tree.getroot())
self.assert_(tokyo1.tokyo)
self.assert_(tokyo2.tokyo)
self.assert_(osaka.osaka)
def test_tokyoup(self):
class TokyoPassenger(VisitPassenger):
def __init__(self):
VisitPassenger.__init__(self)
self.tokyo = False
def itinerary(self):
yield vpath2regexp('//tokyo<')
self.tokyo = True
raise StopIteration
p = TokyoPassenger()
self.assert_(not p.tokyo)
bus = VisitBus((p,))
bus.visit(self.tree.getroot())
self.assert_(p.tokyo)
def test_visitRegexp(self):
class TokyoPassenger(VisitPassenger):
def __init__(self):
VisitPassenger.__init__(self)
self.tokyo = False
self.osaka = False
def itinerary(self):
yield re.compile('^.*tokyo')
self.tokyo = True
yield re.compile('^.*osaka')
self.osaka = True
raise StopIteration
p = TokyoPassenger()
self.assert_(not p.tokyo)
self.assert_(not p.osaka)
bus = VisitBus((p,))
bus.visit(self.tree.getroot())
self.assert_(p.tokyo)
self.assert_(p.osaka)