def test_popContext_returnValOk(self):
cb = ContextBroker()
ctx = object()
cb.pushContext(ctx)
assert cb.context is ctx
assert cb.popContext() is ctx
def test_effectOfPopContextOk(self):
cb = ContextBroker()
py.test.raises(IndexError, cb.popContext)
ctx1 = object()
ctx2 = object()
cb.pushContext(ctx1)
cb.pushContext(ctx2)
assert cb.context is ctx2
assert cb.popContext() is ctx2
assert cb.context is ctx1
def test_popEmpty(self):
cb = ContextBroker()
py.test.raises(IndexError, lambda: cb.popContext())