solnic / virtus / 763

75%

Pull #263

travis-ci

Expose the name of the attribute failing coercion

Resolves #254

Currently, when you `include Virtus.model(strict: true)`, and you fail
to supply any of the attributes, the exception message doesn't let you
know *which* attribute was missing. This can lead to painful debugging
sessions, particularly when a model embeds other models.

This pull request attempts to address that by providing visibility into
the name of the attribute that could not be coerced. Since not all
`Virtus::Attribute` instances actually *have* a name, we fall back to
the old message when one isn't present.

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