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Inherit value errors from a new InvalidAttributeError - #247
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This exception will be the base for any exception raised when an attribute that holds invalid data is accessed through a semantic accessor. Signed-off-by: Leandro Lucarella <luca-frequenz@llucax.com>
Make `UnrecognizedEnumValueError` and `UnspecifiedEnumValueError` inherit from `InvalidAttributeError`. Also split exception tests as the file grew too much when adding the new tests. Signed-off-by: Leandro Lucarella <luca-frequenz@llucax.com>
Add a new top-level exception `MissingFieldError`, sibling of `UnspecifiedEnumValueError`, to signal that a semantic accessor was called on a wrapper field that resolves to `None` because the underlying field was not set on the wire. The first user is the upcoming `Microgrid.get_delivery_area()` accessor (delivery area may be `None`, `InvalidDeliveryArea`, or `DeliveryArea`), but the pattern is expected to recur wherever an accessor unifies a `T | ... | None` field into a plain `T` return. Like `Unspecified/UnrecognizedEnumValueError`, it multi-inherits from `ClientCommonError` and `ValueError` for convenience. Signed-off-by: Leandro Lucarella <luca-frequenz@llucax.com>
Signed-off-by: Leandro Lucarella <luca-frequenz@llucax.com>
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🤖 No blocking findings. Minor residual risk: the accessor tests do not explicitly assert the exceptions' instance and attr_name metadata, but this is not approval-blocking.
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As we continue to add more exception that are intended for reporting invalid data in attributes, it makes sense to have a parent class with the shared attributes for all of them.
This PR adds a new
InvalidAttributeErrorexception and makes all existing value errors inherit from it.Also adds a new
MissingFieldErrorin preparation for upcoming PRs.Part of #239.