class RSpec::Support::StrictSignatureVerifier

Abstract base class for signature verifiers.

@api private

Attributes

kw_args[R]
max_non_kw_args[R]
min_non_kw_args[R]
non_kw_args[R]

Public Class Methods

new(signature, args=[]) click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 242
def initialize(signature, args=[])
  @signature = signature
  @non_kw_args, @kw_args = split_args(*args)
  @min_non_kw_args = @max_non_kw_args = @non_kw_args
  @arbitrary_kw_args = @unlimited_args = false
end

Public Instance Methods

error_message() click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 285
def error_message
  if missing_kw_args.any?
    "Missing required keyword arguments: %s" % [
      missing_kw_args.join(", ")
    ]
  elsif invalid_kw_args.any?
    "Invalid keyword arguments provided: %s" % [
      invalid_kw_args.join(", ")
    ]
  elsif !valid_non_kw_args?
    "Wrong number of arguments. Expected %s, got %s." % [
      @signature.non_kw_args_arity_description,
      non_kw_args
    ]
  end
end
valid?() click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 277
def valid?
  missing_kw_args.empty? &&
    invalid_kw_args.empty? &&
    valid_non_kw_args? &&
    arbitrary_kw_args? &&
    unlimited_args?
end
with_expectation(expectation) click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 249
def with_expectation(expectation) # rubocop:disable MethodLength
  return self unless MethodSignatureExpectation === expectation

  if expectation.empty?
    @min_non_kw_args = @max_non_kw_args = @non_kw_args = nil
    @kw_args     = []
  else
    @min_non_kw_args = @non_kw_args = expectation.min_count || 0
    @max_non_kw_args                = expectation.max_count || @min_non_kw_args

    if RubyFeatures.optional_and_splat_args_supported?
      @unlimited_args = expectation.expect_unlimited_arguments
    else
      @unlimited_args = false
    end

    if RubyFeatures.kw_args_supported?
      @kw_args           = expectation.keywords
      @arbitrary_kw_args = expectation.expect_arbitrary_keywords
    else
      @kw_args           = []
      @arbitrary_kw_args = false
    end
  end

  self
end

Private Instance Methods

arbitrary_kw_args?() click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 316
def arbitrary_kw_args?
  !@arbitrary_kw_args || @signature.arbitrary_kw_args?
end
invalid_kw_args() click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 312
def invalid_kw_args
  @signature.invalid_kw_args_from(kw_args)
end
missing_kw_args() click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 308
def missing_kw_args
  @signature.missing_kw_args_from(kw_args)
end
split_args(*args) click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 324
def split_args(*args)
  kw_args = if @signature.has_kw_args_in?(args)
              args.pop.keys
            else
              []
            end

  [args.length, kw_args]
end
unlimited_args?() click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 320
def unlimited_args?
  !@unlimited_args || @signature.unlimited_args?
end
valid_non_kw_args?() click to toggle source
# File lib/rspec/support/method_signature_verifier.rb, line 304
def valid_non_kw_args?
  @signature.valid_non_kw_args?(min_non_kw_args, max_non_kw_args)
end