def true_false_AG_using_or():
true = utilities.Alias(True, [True, 1, "true"])
false = utilities.Alias(False, [False, 0, "false"])
group = true | false
assert isinstance(group, utilities.AliasGroup)
return group
def test_reinstantiate_Alias_with_Alias_instance():
a = utilities.Alias(True, [1, 3])
assert a.value == True
assert 2 not in a.keys
b = utilities.Alias(a, [2])
assert b.value == True
assert 2 in b.keys
def true_false_AG_constructor():
true = utilities.Alias(True, [True, 1, "true"])
false = utilities.Alias(False, [False, 0, "false"])
# ensure instantiation works in both cases
group = utilities.AliasGroup([true, false])
assert isinstance(group, utilities.AliasGroup)
return group
def test_or_from_same_alias_value():
a = utilities.Alias(True, [1, 3])
b = utilities.Alias(True, [2, 2, 1])
c = a | b
assert isinstance(c, utilities.Alias)
assert 3 not in b
assert 2 not in a
assert 1 in c
assert 2 in c
assert 3 in c
def test_pass_mutable_as_keys_then_try_to_change_implicitly_by_ref():
mute = ["mutable"]
inst = utilities.Alias("key", mute)
assert "mutable" in inst
mute.pop()
assert "mutable" in inst
def test_build_AliasGroup_from_same_Alias(group):
a = utilities.Alias(False, ["False"])
# build AliasGroup from AliasGroup and Alias
c = group | a
assert isinstance(c, utilities.AliasGroup)
assert "False" in c
assert "False" not in group
def test_Alias_contains():
true = utilities.Alias(True, "1")
true_2 = utilities.Alias(True, "2")
func = utilities.Alias(lambda x: x**2, "square")
assert "1" in true
assert True in true
assert true in true
assert "square" in func
assert func in func
x = lambda x: x**2
assert (x in func) == False
assert true_2 in true
assert true in true_2
assert (False in true) == False
def alias_fixture():
return utilities.Alias("value", "keys")
def test_AliasGroup_keys_prop():
a = utilities.Alias(True, [1, 3])
b = utilities.Alias(False, [4])
c = a | b # AliasGroup
assert {1, 3, 4}.isdisjoint(c.keys) is False
def test_instance_alias(value, keys):
""" Test inputs that can instantiate the class"""
utilities.Alias(value, keys)
def test_build_AliasGroup_with_or_fail_wrong_type():
true = utilities.Alias(True, [True, 1, "true"])
false = False
with pytest.raises(TypeError):
true | false
def test_raise_ValueError_if_non_scalar_or_callable_in_Alias_constructor():
with pytest.raises(ValueError):
utilities.Alias(["should-fail"], "please-fail")
def test_if_all_items_in_AliasGroup_not_Alias_should_ValueError():
true = utilities.Alias(True, [True, 1, "true"])
false = False
with pytest.raises(ValueError):
utilities.AliasGroup([true, false])