def get_valid_actions(self) -> Dict[str, List[str]]:
if not self._valid_actions:
multi_match_mapping = self.get_multi_match_mapping()
self._valid_actions = types.get_valid_actions(
self.get_name_mapping(),
self.get_type_signatures(),
self.get_basic_types(),
valid_starting_types=self.get_valid_starting_types(),
num_nested_lambdas=self._num_nested_lambdas,
multi_match_mapping=multi_match_mapping)
return self._valid_actions
def test_get_valid_actions_with_placeholder_type(self):
type_r = NamedBasicType("R")
type_d = NamedBasicType("D")
type_e = NamedBasicType("E")
name_mapping = {'sample_function': 'F'}
# <#1,#1>
type_signatures = {'F': UnaryOpType()}
basic_types = {type_r, type_d, type_e}
valid_actions = types.get_valid_actions(name_mapping, type_signatures,
basic_types)
assert len(valid_actions) == 5
assert valid_actions["<#1,#1>"] == ["<#1,#1> -> sample_function"]
assert valid_actions["e"] == ["e -> [<#1,#1>, e]"]
assert valid_actions["r"] == ["r -> [<#1,#1>, r]"]
assert valid_actions["d"] == ["d -> [<#1,#1>, d]"]
assert valid_actions["@start@"] == [
"@start@ -> d", "@start@ -> e", "@start@ -> r"
]
def test_get_valid_actions(self):
type_r = NamedBasicType("R")
type_d = NamedBasicType("D")
type_e = NamedBasicType("E")
name_mapping = {'sample_function': 'F'}
# <e,<r,<d,r>>>
type_signatures = {
'F':
ComplexType(type_e, ComplexType(type_r,
ComplexType(type_d, type_r)))
}
basic_types = {type_r, type_d, type_e}
valid_actions = types.get_valid_actions(name_mapping, type_signatures,
basic_types)
assert len(valid_actions) == 3
assert valid_actions["<e,<r,<d,r>>>"] == [
"<e,<r,<d,r>>> -> sample_function"
]
assert valid_actions["r"] == ["r -> [<e,<r,<d,r>>>, e, r, d]"]
assert valid_actions["@start@"] == [
"@start@ -> d", "@start@ -> e", "@start@ -> r"
]
def test_get_valid_actions_with_any_type(self):
type_r = NamedBasicType("R")
type_d = NamedBasicType("D")
type_e = NamedBasicType("E")
name_mapping = {'sample_function': 'F'}
# The purpose of this test is to ensure that ANY_TYPE gets substituted by every possible basic type,
# to simulate an intermediate step while getting actions for a placeholder type.
# I do not foresee defining a function type with ANY_TYPE. We should just use a ``PlaceholderType``
# instead.
# <?,r>
type_signatures = {'F': ComplexType(ANY_TYPE, type_r)}
basic_types = {type_r, type_d, type_e}
valid_actions = types.get_valid_actions(name_mapping, type_signatures,
basic_types)
assert len(valid_actions) == 5
assert valid_actions["<d,r>"] == ["<d,r> -> sample_function"]
assert valid_actions["<e,r>"] == ["<e,r> -> sample_function"]
assert valid_actions["<r,r>"] == ["<r,r> -> sample_function"]
assert valid_actions["r"] == [
"r -> [<d,r>, d]", "r -> [<e,r>, e]", "r -> [<r,r>, r]"
]
assert valid_actions["@start@"] == [
"@start@ -> d", "@start@ -> e", "@start@ -> r"
]
