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ruby-grape / grape / 22259784049 / 19
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Ran 21 Feb 2026 03:59PM UTC
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21 Feb 2026 03:58PM UTC coverage: 48.779% (-0.7%) from 49.487%
22259784049.19

Pull #2657

github

ericproulx
Instantiate validators at definition time and fix thread safety

Validator instantiation at definition time:
- Store validator instances in ParamsScope/ContractScope and have
  Endpoint#run_validators read them directly
- Remove ValidatorFactory indirection and eagerly compute validator
  messages/options in constructors
- Freeze validator instances after initialization via Base.new to
  prevent mutation across shared requests (shallow freeze)
- Extract Grape::Util::Translation module shared by Exceptions::Base
  and Validators::Base for I18n translate with fallback locale
- Support Hash messages in translate_message for deferred translation
  with interpolation parameters (e.g. { key: :length, min: 2 })
- Normalize Grape::Exceptions::Validation params handling and refactor
  validator specs to define routes per example group
- Use case/when for message_key extraction in Exceptions::Validation
- Guard LengthValidator against missing constraints and extract option
  validation into private methods to stay within complexity limits
- Store zero-arity procs directly in ValuesValidator (consistent with
  ExceptValuesValidator) and document DB-backed lazy evaluation intent
- Drop test-prof dependency and its spec config

Thread safety for shared ParamsScope instances:
- Introduce Grape::Validations::ScopeTracker to hold all per-request
  mutable state (array index and qualifying params) in a single
  Thread.current entry, keeping shared ParamsScope objects immutable
- ScopeTracker.track { } wraps the validation run in Endpoint and
  ensures cleanup via ensure regardless of errors
- AttributesIterator stores current array indices via ScopeTracker
  instead of mutating @index on the shared scope
- ParamsScope#full_name reads the current index from ScopeTracker
  instead of @index; remove @index, reset_index, and attr_accessor
- meets_dependency? stores qualifying array params in ScopeTracker
  instead of @params_meeting_dependency on the shared scope
- Change... (continued)
Pull Request #2657: Instantiate validators at definition time

196 of 1172 branches covered (16.72%)

Branch coverage included in aggregate %.

2041 of 3414 relevant lines covered (59.78%)

8.23 hits per line

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