class GraphQL::StaticValidation::ValidationContext

The validation context gets passed to each validator.

It exposes a GraphQL::Language::Visitor where validators may add hooks. (Language::Visitor#visit is called in Validator#validate)

It provides access to the schema & fragments which validators may read from.

It holds a list of errors which each validator may add to.

Attributes

errors [R]

max_errors [R]

on_dependency_resolve_handlers [R]

query [R]

schema [R]

types [R]

visitor [R]

Public Class Methods

new (query, visitor_class, max_errors)

Source

# File lib/graphql/static_validation/validation_context.rb, line 22
def initialize(query, visitor_class, max_errors)
  @query = query
  @types = query.types # TODO update migrated callers to use this accessor
  @schema = query.schema
  @literal_validator = LiteralValidator.new(context: query.context)
  @errors = []
  @max_errors = max_errors || Float::INFINITY
  @on_dependency_resolve_handlers = []
  @visitor = visitor_class.new(document, self)
end

Public Instance Methods

did_you_mean_suggestion (name, options)

Source

# File lib/graphql/static_validation/validation_context.rb, line 54
def did_you_mean_suggestion(name, options)
  if did_you_mean = schema.did_you_mean
    suggestions = did_you_mean.const_get(:SpellChecker).new(dictionary: options).correct(name)
    case suggestions.size
    when 0
      ""
    when 1
      " (Did you mean `#{suggestions.first}`?)"
    else
      last_sugg = suggestions.pop
      " (Did you mean #{suggestions.map {|s| "`#{s}`"}.join(", ")} or `#{last_sugg}`?)"
    end
  end
end

on_dependency_resolve (&handler)

Source

# File lib/graphql/static_validation/validation_context.rb, line 38
def on_dependency_resolve(&handler)
  @on_dependency_resolve_handlers << handler
end

schema_directives ()

Source

# File lib/graphql/static_validation/validation_context.rb, line 50
def schema_directives
  @schema_directives ||= schema.directives
end

too_many_errors? ()

Source

# File lib/graphql/static_validation/validation_context.rb, line 46
def too_many_errors?
  @errors.length >= @max_errors
end

validate_literal (ast_value, type)

Source

# File lib/graphql/static_validation/validation_context.rb, line 42
def validate_literal(ast_value, type)
  @literal_validator.validate(ast_value, type)
end