def test_get_valid_actions_uses_top_of_stack(self):
s_actions = object()
t_actions = object()
e_actions = object()
state = GrammarStatelet(["s"], {
"s": s_actions,
"t": t_actions
}, is_nonterminal)
assert state.get_valid_actions() == s_actions
state = GrammarStatelet(["t"], {
"s": s_actions,
"t": t_actions
}, is_nonterminal)
assert state.get_valid_actions() == t_actions
state = GrammarStatelet(["e"], {
"s": s_actions,
"t": t_actions,
"e": e_actions
}, is_nonterminal)
assert state.get_valid_actions() == e_actions
def test_get_valid_actions_uses_top_of_stack(self):
s_actions = object()
t_actions = object()
e_actions = object()
state = GrammarStatelet(['s'], {
's': s_actions,
't': t_actions
}, is_nonterminal)
assert state.get_valid_actions() == s_actions
state = GrammarStatelet(['t'], {
's': s_actions,
't': t_actions
}, is_nonterminal)
assert state.get_valid_actions() == t_actions
state = GrammarStatelet(['e'], {
's': s_actions,
't': t_actions,
'e': e_actions
}, is_nonterminal)
assert state.get_valid_actions() == e_actions