def test_find_non_existent(self,
base: str = 'Vehicle.Cabin',
extra: str = 'Foo') -> None:
with self.assertRaisesRegex(
VSSBranchError,
f'branch {base!r} has no such child {extra!r}'):
find_signal(f'{base}.{extra}')
def test_find_past_leaf(self,
base: str = 'Vehicle.AverageSpeed',
extra: str = 'FooBar') -> None:
with self.assertRaisesRegex(
VSSBranchError,
f"attempted to follow branch {extra!r} from leaf node {base!r}"
):
find_signal(f'{base}.{extra}')
with self.assertRaisesRegex(
VSSBranchError,
f"attempted to follow branch {extra!r} from leaf node {base!r}"
):
find_signal(tuple(base.split('.')) + (extra, ))
def test_illegal_args(self):
with self.assertRaisesRegex(TypeError, 'name.*str.*got int'):
find_signal(1)
with self.assertRaisesRegex(TypeError, 'name.*str.*got None'):
find_signal(None)
with self.assertRaisesRegex(TypeError, 'spec.*Dict.*got int'):
find_signal('abc', 1)
def test_empty_root(self) -> None:
with self.assertRaisesRegex(VSSBranchError,
"no such domain 'Vehicle'"):
find_signal('Vehicle.Foo.Bar', {})
with self.assertRaisesRegex(VSSBranchError,
"no such domain 'Vehicle'"):
find_signal(('Vehicle', 'Foo', 'Bar'), {})
with self.assertRaisesRegex(VSSBranchError, "no such domain 'Bar'"):
find_signal(('Bar', 'Baz', 'Qux'), {})
def test_find_branch(self, namespace: str = 'Vehicle.Cabin.HVAC'):
with self.assertRaisesRegex(
VSSBranchError,
f'node {namespace!r} is a branch, not a signal'):
find_signal(namespace)
def test_empty_namespace(self) -> None:
with self.assertRaisesRegex(ValueError,
'namespace must contain at least one key'):
find_signal(())
with self.assertRaisesRegex(ValueError,
'namespace must contain at least one key'):
find_signal('')
with self.assertRaisesRegex(ValueError,
'namespace cannot contain an empty key'):
find_signal('.')
with self.assertRaisesRegex(ValueError,
'namespace cannot contain an empty key'):
find_signal('Foo.Bar..Baz')
with self.assertRaisesRegex(ValueError,
'namespace cannot contain an empty key'):
find_signal('Foo.Bar.Baz.')
with self.assertRaisesRegex(ValueError,
'namespace cannot contain an empty key'):
find_signal('.Foo.Bar.Baz')
with self.assertRaisesRegex(ValueError,
'namespace cannot contain an empty key'):
find_signal(('Foo', '', 'Baz'))
def test_find_avg_speed_str(self) -> None:
self._assert_is_avg_speed(find_signal('Vehicle.AverageSpeed'))
def test_signal_with_ratio_unit() -> None:
find_signal('Vehicle.OBD.CommandedEquivalenceRatio')
def test_signal_with_kpa_unit() -> None:
find_signal('Vehicle.Powertrain.CombustionEngine.Engine.MAP')