def test_property_path_coercion():
prop = Property(Path)
prop.set('hello/world.c')
assert prop.get() == Path('hello/world.c')
prop = ListProperty(Path)
prop.set({'hello/world.c'})
assert prop.get() == [Path('hello/world.c')]
def test_property_enum_coercion():
class MyEnum(enum.Enum):
ABC = enum.auto()
prop = Property(MyEnum)
prop.set('abc')
assert prop.get() == MyEnum.ABC
prop = ListProperty(MyEnum)
prop.set(['abc'])
assert prop.get() == [MyEnum.ABC]
def test_property_operators():
# Test concatenation if the property value is populated.
prop1 = ListProperty(str, name='prop1')
prop1.set(['hello'])
assert (prop1 + ['world']).get() == ['hello', 'world']
prop1 = Property(str, name='prop1')
prop1.set('hello')
assert (prop1 + ' world').get() == 'hello world'
# Concatenating an un-set property will fall back to an empty default.
prop1 = ListProperty(str, name='prop1')
assert (prop1 + ['value']).get() == ['value']
prop1 = Property(str, name='prop1')
assert (prop1 + 'value').get() == 'value'
def unwrap_file_property(prop: Property) -> t.Tuple[bool, bool, t.List[Path]]:
is_sequence, is_input_file_property, is_output_file_property = check_file_property(
prop)
if not is_input_file_property and not is_output_file_property:
return []
value = prop.or_else(None)
if value is None:
result = []
else:
result = list(value if is_sequence else [value])
return result
def test_property_nesting_1():
prop1 = ListProperty(str, name='prop1')
prop2 = Property(str, name='prop2')
prop1.set(['hello', prop2])
prop2.set('world')
assert prop1.get() == ['hello', 'world']
class MyClass(HavingProperties): a = Property(int, default=42) b = Property(str)
class MyClass(HavingProperties): a = Property(int) b = ListProperty(str)