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Committed 23 Sep 2026 06:58AM UTC coverage: 99.044% (+0.02%) from 99.027%

Build # 35829295402

Build Type

github

Committed by

Commit Message

Say a param is invalid when its validation error has no message

A `Grape::Exceptions::Validation` created without a message only
translated one when given one, so Ruby's `StandardError#message` fell
back to the exception's class name, and that reached the response. A
custom validator with no `default_message_key` that calls
`validation_error!(attr_name)` answered
`number Grape::Exceptions::Validation`.

Such an error now takes a new `invalid` message ("is invalid"), with
`:invalid` as its message key.

Also covers `Validators::Base#message` called with no key, no
`:message` option and no block, which a custom validator can do and no
spec did.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Pull Request Pull Request #2993: Say a param is invalid when its validation error has no message

Coverage Stats

1469 of 1525 branches covered (96.33%)

Branch coverage included in aggregate %.

5 of 5 new or added lines in 1 file covered. (100.0%)

4333 of 4333 relevant lines covered (100.0%)

28741.6 hits per line

Relevant lines Covered

4333 RELEVANT LINES 4333 COVERED LINES

28741.6 HITS PER LINE

Source Files on fix/validation-error-without-message

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Builds	Branch	Commit	Type	Ran	Committer	Via	Coverage
35829295402	fix/validation-error-without-message	Say a param is invalid when its validation error has no message A `Grape::Exceptions::Validation` created without a message only translated one when given one, so Ruby's `StandardError#message` fell back to the exception's class name, and that re...	Pull #2993	23 Sep 2026 06:59AM UTC	ericproulx	github	99.04
35829280405	fix/validation-error-without-message	Say a param is invalid when its validation error has no message A `Grape::Exceptions::Validation` created without a message only translated one when given one, so Ruby's `StandardError#message` fell back to the exception's class name, and that re...	push	23 Sep 2026 06:58AM UTC	ericproulx	github	99.04

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